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Top JavaScript Developers

JavaScript powers everything from interactive websites to complex enterprise applications. Partnering with an experienced JavaScript development agency ensures your product is fast, secure, and ready to scale. Clutch makes it easy to find trusted providers by publishing in-depth, verified client reviews and transparent performance data. Use our filters to sort agencies by budget, location, framework expertise, and more. Looking for regional specialists? Browse firms in the United States, United Kingdom, or Canada to compare portfolios and pricing in your market. Start exploring today and shortlist partners that align with your goals.
Ratings Updated: September 20, 2026
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22,371 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • KOSMO Diseño Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    2 - 9
    Guadalajara, Mexico

    Services provided

    10% Web Development
    20% Web Design
    15% Graphic Design +7
    15% Social Media Marketing
    10% Branding
    10% Logo
    5% Advertising
    5% E-Commerce Development
    5% Search Engine Optimization
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    50% HTML5
    20% jquery +1
    15% PHP

    Established in 2015, KOSMO Diseño is a web design agency. The small team provides Web Design and Social Media Marketing.

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  • Your Clicks Logotype

    Not yet reviewed

    $5,000+
    $200 - $300 / hr
    2 - 9
    Spring Hill, Australia

    Services provided

    10% Web Development
    10% Digital Strategy
    10% Marketing Strategy +12
    10% Pay Per Click
    10% Search Engine Optimization
    5% Branding
    5% Content Marketing
    5% Conversion Optimization
    5% Custom Software Development
    5% E-Commerce Development
    5% Mobile & App Marketing
    5% Mobile App Development
    5% Other Application Development
    5% Other Digital Marketing
    5% Social Media Marketing

    Focus Areas

    15% JavaScript
    30% PHP
    20% Ruby +3
    20% SQL
    10% Python
    5% Java

    Your Clicks is a Digital Strategy company based in Spring Hill, Australia. Launched in 2011, the team offers Digital Strategy and Marketing Strategy.

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  • ENTSYS Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    2 - 9
    Amstelveen, Netherlands

    Services provided

    15% Web Development
    15% Cloud Consulting & SI
    15% IT Strategy Consulting +7
    15% Mobile App Development
    10% Custom Software Development
    10% E-Commerce Development
    5% Application Management & Support
    5% Blockchain
    5% Enterprise App Modernization
    5% IT Staff Augmentation

    Focus Areas

    10% JavaScript
    20% Kotlin
    15% Java +6
    15% Objective C
    15% Python
    10% PHP
    5% Go
    5% Ruby
    5% Swift

    ENTSYS is an IT strategy consulting company. Based in Amstelveen, Netherlands, the team offers IT strategy consulting and cloud consulting & SI.

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  • Business FloatIn Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    2 - 9
    Bengaluru, India

    Services provided

    10% Web Development
    10% E-Commerce Development
    10% Web Design +41
    5% Marketing Strategy
    5% Mobile App Development
    2% Affiliate Marketing
    2% Branding
    2% CRM Consulting and SI
    2% Cloud Consulting & SI
    2% Content Marketing
    2% Custom Software Development
    2% Digital Strategy
    2% Email Marketing
    2% Graphic Design
    2% IT Managed Services
    2% IT Strategy Consulting
    2% Logo
    2% Media Planning & Buying
    2% Other Application Development
    2% Packaging Design
    2% Print Design
    2% Product Design
    2% Search Engine Optimization
    2% Social Media Marketing
    2% UX/UI Design
    2% Wearable App Development
    1% Accounting
    1% Advertising
    1% Business Consulting
    1% Corporate Law
    1% Event Marketing
    1% Financial Advising & Planning
    1% Freight forwarding
    1% Fulfillment
    1% Insurance Services & Brokers
    1% Intellectual Property Law
    1% Internet & Technology Law
    1% Labor & Employment Law
    1% Market Research
    1% Other Marketing
    1% Public Relations
    1% Tax Law
    1% Transcription
    1% Warehousing & Distribution

    Focus Areas

    15% JavaScript
    15% Java
    10% ASP.NET +10
    10% Python
    10% XML
    5% AJAX
    5% C
    5% C++
    5% Go
    5% Kotlin
    5% Ruby
    5% SQL
    5% Visual Basic

    Business FloatIn is a small Bengaluru, India-based web design company. Their services include Web Design and Web Development.

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  • Infigrity IT Services Logotype

    Not yet reviewed

    $5,000+
    < $25 / hr
    2 - 9
    Ahmedabad, India

    Services provided

    15% Web Development
    50% E-Commerce Development
    10% Web Design +5
    8% Mobile App Development
    8% UX/UI Design
    5% Search Engine Optimization
    2% Graphic Design
    2% Logo

    Focus Areas

    10% JavaScript
    40% PHP
    40% SQL +1
    10% Other programming & scripting languages

    Infigrity IT Services is an e-commerce development firm. The Ahmedabad, India-based team specializes in E-Commerce Development and Web Development.

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  • - Logotype

    -

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    2 - 9

    Services provided

    15% Web Development
    35% Conversion Optimization
    15% Web Design +5
    10% E-Commerce Development
    10% Email Marketing
    5% Branding
    5% Business Consulting
    5% Custom Software Development

    Focus Areas

    10% JavaScript
    30% Other programming & scripting languages
    20% Ruby +4
    10% AJAX
    10% C++
    10% Java
    10% Typescript

    - is a Conversion Optimization company established in 2017. The firm specializes in Conversion Optimization and Web Design, and is small.

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  • SolSvc Logotype

    Not yet reviewed

    $5,000+
    < $25 / hr
    2 - 9
    Lahore, Pakistan

    Services provided

    10% Web Development
    15% Cloud Consulting & SI
    15% Low/No Code Development +10
    10% Custom Software Development
    10% ERP Consulting and SI
    5% Business Consulting
    5% Content Marketing
    5% E-Commerce Development
    5% Ecommerce Marketing
    5% IT Strategy Consulting
    5% Mobile App Development
    5% Pay Per Click
    5% Search Engine Optimization

    Focus Areas

    15% JavaScript
    15% PHP
    10% C++ +9
    10% Objective C
    10% Python
    10% SQL
    5% AJAX
    5% C
    5% C#
    5% Other programming & scripting languages
    5% Typescript
    5% Visual Basic

    In Lahore, Pakistan, SolSvc is a website development company. Their services include Web Development and cloud consulting & SI.

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  • Dafter Inc. Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Nashik, India

    Services provided

    10% Web Development
    10% ERP Consulting and SI
    10% Email Marketing +13
    10% Low/No Code Development
    8% CRM Consulting and SI
    8% Social Media Marketing
    6% Branding
    6% Conversion Optimization
    6% IT Managed Services
    6% Marketing Strategy
    5% Market Research
    5% Search Engine Optimization
    4% Pay Per Click
    4% UX/UI Design
    1% Custom Software Development
    1% Web Design

    Focus Areas

    15% JavaScript
    40% PHP
    20% SQL +3
    15% Python
    5% HTML5
    5% Ruby

    Dafter Inc. Is an Email Marketing company. The team focuses on Email Marketing and ERP consulting and SI, and the firm is based in Sheridan, Wyoming and Nashik, India.

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  • Samurai Digital Media Logotype

    Samurai Digital Media

    Not yet reviewed

    Undisclosed
    $150 - $199 / hr
    2 - 9

    Services provided

    10% Web Development
    10% E-Commerce Development
    10% Social Media Marketing +23
    4% Branding
    3% AI Development
    3% Advertising
    3% Blockchain
    3% Blockchain Marketing
    3% Content Marketing
    3% Custom Software Development
    3% Digital Strategy
    3% Direct Marketing
    3% Event Marketing
    3% Graphic Design
    3% IoT Development
    3% Logo
    3% Market Research
    3% Marketing Strategy
    3% Media Planning & Buying
    3% Other Digital Marketing
    3% Print Design
    3% Product Design
    3% Public Relations
    3% Search Engine Optimization
    3% Video Production
    3% Web Design

    Focus Areas

    15% JavaScript
    45% PHP
    10% AJAX +3
    10% HTML5
    10% Python
    10% SQL

    Samurai Digital Media is a social media marketing agency. Their team is located in Corpus Christi, Texas. The company specializes in Social Media Marketing and Web Development.

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  • Softsnare Technologies Logotype

    Softsnare Technologies

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9

    Services provided

    15% Web Development
    20% Pay Per Click
    20% Search Engine Optimization +3
    15% IT Strategy Consulting
    15% UX/UI Design
    15% Web Design

    Focus Areas

    10% JavaScript
    25% PHP
    20% AJAX +4
    20% HTML5
    10% SQL
    10% XML
    5% Typescript

    Softsnare Technologies is a SEO agency. Established in 2018, their team focuses on Search Engine Optimization and Pay Per Click.

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  • Linkable Technologies Logotype

    Linkable Technologies

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9

    Services provided

    10% Web Development
    10% Application Management & Support
    10% Application Testing +10
    10% Custom Software Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% Web Design
    5% Digital Strategy
    5% E-Commerce Development
    5% Enterprise App Modernization
    5% Logo
    5% Other Application Development
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    20% HTML5
    20% Java +3
    20% PHP
    20% SQL
    5% AJAX

    Launched in 2023, Linkable Technologies is a SEO company. The company offers Search Engine Optimization and Web Design.

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  • Nimbous Logotype

    Nimbous

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    2 - 9

    Services provided

    10% Web Development
    30% AI Development
    20% Cloud Consulting & SI +3
    20% Custom Software Development
    10% BI & Big Data Consulting & SI
    10% Low/No Code Development

    Focus Areas

    15% JavaScript
    50% Python
    25% SQL +2
    5% HTML5
    5% Scala

    Nimbous is an artificial intelligence development company. The team focuses on Artificial Intelligence and cloud consulting & SI and is in London, England.

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  • Hifoos Inc Logotype

    Hifoos Inc

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9

    Services provided

    11% Web Development
    12% Web Design
    11% Custom Software Development +22
    8% Search Engine Optimization
    7% API Development
    6% E-Commerce Development
    6% Graphic Design
    5% Social Media Marketing
    4% Branding
    4% Mobile App Development
    3% Content Writing Services
    3% Ecommerce Marketing
    3% UX/UI Design
    2% Application Management & Support
    2% Blockchain
    2% Email Marketing
    2% Logo
    2% Packaging Design
    1% AI Development
    1% Back Office Outsourcing
    1% Digital Asset Management
    1% Digital Engineering
    1% Generative AI
    1% IT Managed Services
    1% Product Design

    Focus Areas

    14% JavaScript
    18% PHP
    12% HTML5 +7
    12% SQL
    10% Python
    10% XML
    7% Java
    6% AJAX
    6% Swift
    5% Kotlin

    Web design company Hifoos Inc was launched in 2023. The agency focuses on Web Design and Custom Software Development.

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  • KJK Business Solutions Logotype

    KJK Business Solutions

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9

    Services provided

    15% Web Development
    15% Search Engine Optimization
    10% Architectural Design +6
    10% E-Commerce Development
    10% Graphic Design
    10% Logo
    10% Mobile App Development
    10% Video Production
    10% Web Design

    Focus Areas

    10% JavaScript
    20% SQL
    15% AJAX +4
    15% PHP
    15% Python
    15% Swift
    10% HTML5

    KJK Business Solutions is a SEO agency. The team is headquartered in Farmingdale, New York, and their services include Search Engine Optimization and Web Development.

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  • Techmorph Technology Logotype

    Techmorph Technology

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    2 - 9

    Services provided

    10% Web Development
    15% AI Development
    15% Blockchain +7
    10% AR/VR Development
    10% Generative AI
    10% IoT Development
    10% Low/No Code Development
    10% Mobile App Development
    5% AI Consulting
    5% E-Commerce Development

    Focus Areas

    15% JavaScript
    20% SQL
    15% Python +6
    10% AJAX
    10% C++
    10% Java
    10% Typescript
    5% Redux
    5% Rust

    Techmorph Technology is an AI development company. The Mangaluru, India-based agency was founded in 2023. Their services include Artificial Intelligence and Blockchain.

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  • K Squared Consulting Logotype

    K Squared Consulting

    Not yet reviewed

    $5,000+
    Undisclosed
    2 - 9

    Services provided

    15% Web Development
    15% Marketing Strategy
    15% Search Engine Optimization +7
    15% Web Design
    10% Digital Strategy
    10% Social Media Marketing
    5% Advertising
    5% Branding
    5% Content Marketing
    5% Video Marketing

    Focus Areas

    10% JavaScript
    35% HTML5
    30% Elixir +3
    10% Other programming & scripting languages
    10% Typescript
    5% Python

    Founded in 2026, K Squared Consulting is a Marketing Strategy company. The small team provides Marketing Strategy and Search Engine Optimization.

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  • Coffee Solution Logotype

    Coffee Solution

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9

    Services provided

    25% Web Development
    25% Custom Software Development
    20% Branding +2
    20% Web Design
    10% UX/UI Design

    Focus Areas

    25% JavaScript
    25% PHP
    10% Go +5
    10% Java
    10% Python
    10% SQL
    5% Typescript
    5% jquery

    Coffee Solution, a custom software development firm, was founded in 2024. The team focuses on Custom Software Development and Web Development and is based in Prague, Czech Republic and Lviv,

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  • Formamind Sp. z o.o. Logotype

    5.0 2 reviews
    Undisclosed
    $50 - $99 / hr
    10 - 49
    Warszawa, Poland

    Services provided

    30% Web Development
    30% Custom Software Development
    10% AI Development +3
    10% Application Management & Support
    10% Low/No Code Development
    10% Other IT Consulting and SI

    Focus Areas

    10% JavaScript
    50% Python
    40% Typescript

    At Formamind, we create custom software - from MVPs for startups to enterprise solutions such as AI-driven apps, CRM & ERP systems, and web platforms. Our team uses modern yet reliable

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  • Tecnolika Logotype

    Not yet reviewed

    $10,000+
    Undisclosed
    50 - 249
    San Luis Potosí, Mexico

    Services provided

    10% Web Development
    15% AR/VR Development
    15% IT Managed Services +6
    15% IT Staff Augmentation
    15% Mobile App Development
    10% Custom Software Development
    10% Low/No Code Development
    5% Application Management & Support
    5% Cybersecurity

    Focus Areas

    11% JavaScript
    11% C#
    11% Java +7
    11% PHP
    11% Python
    10% ASP.NET
    10% SQL
    10% Swift
    10% Typescript
    5% Other programming & scripting languages

    Tecnolika is an IT managed services company. Founded in 1996, their team focuses on IT managed services and IT staff augmentation.

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  • TieCodes Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Lahore, Pakistan

    Services provided

    30% Web Development
    20% Custom Software Development
    20% Mobile App Development +2
    15% Freight forwarding
    15% Trucking

    Focus Areas

    10% JavaScript
    45% PHP
    25% SQL +4
    5% AJAX
    5% HTML5
    5% Java
    5% jquery

    TieCodes is a website development firm. The team provides Web Development and Custom Software Development and is in Lahore, Pakistan.

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    $3,000 web and mobile app without source code $5,000 web and mobile app i(os and android) $7,000 Complete setup web and mobile app development

    fleet management and gps tracking web and app

    Web App Dashboard: Fleet performance, vehicle locations, and driver activity Vehicle Tracking: Real-time GPS tracking of vehicles, including location, speed, and direction Mobile App Driver App: Drivers to receive assignments, navigate routes, and report issues GPS Tracking: Real-time GPS tracking of vehicles, including location, speed, direction.
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  • TechConsultivo Logotype

    TechConsultivo

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    20% Web Development
    20% Custom Software Development
    10% AI Consulting +5
    10% AI Development
    10% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI
    10% IT Staff Augmentation
    10% Mobile App Development

    Focus Areas

    20% JavaScript
    10% Go
    10% Java +6
    10% Kotlin
    10% Objective C
    10% Python
    10% Redux
    10% Swift
    10% Typescript

    Software development firm TechConsultivo was launched in 2020. The agency provides Custom Software Development and Web Development, and is small.

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  • Yangoos Technologies LLP Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Thazhambur, India

    Services provided

    20% Web Development
    40% Mobile App Development
    20% Custom Software Development +1
    20% Web Design

    Focus Areas

    20% JavaScript
    20% Java
    15% SQL +6
    10% C#
    10% HTML5
    10% Kotlin
    5% PHP
    5% Python
    5% Swift

    Yangoos Technologies LLP is a small Thazhambur, India-based application development company. Their services include Mobile App Development and Web Design.

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  • Company Removed Logotype

    Not yet reviewed

    $100,000+
    $100 - $149 / hr
    Freelancer
    Koto City, Japan

    Services provided

    10% Web Development
    15% Custom Software Development
    10% Application Testing +9
    10% Cloud Consulting & SI
    10% Cybersecurity
    10% Mobile App Development
    10% Robotics Process Automation
    5% AI Development
    5% Application Management & Support
    5% Enterprise App Modernization
    5% IT Managed Services
    5% IoT Development

    Focus Areas

    10% JavaScript
    15% Java
    10% AJAX +9
    10% C#
    10% PHP
    10% Python
    10% SQL
    5% ASP.NET
    5% Ember.js
    5% Kotlin
    5% Other programming & scripting languages
    5% XML

    Founded in 1977, PERSOL PROCESS & TECHNOLOGY is a custom software development firm. The large team offers Custom Software Development and cloud consulting & SI.

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  • Webmeka Logotype

    Webmeka

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    15% Web Development
    15% Branding
    15% Content Marketing +4
    15% E-Commerce Development
    15% Search Engine Optimization
    15% Web Design
    10% Graphic Design

    Focus Areas

    100% JavaScript

    Webmeka is a branding firm headquartered in Nairobi, Kenya. They provide Branding and Content Marketing and were launched in 2024.

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  • Oaksun Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    Freelancer
    Vilnius, Lithuania

    Services provided

    35% Web Development
    35% Web Design
    10% Custom Software Development +2
    10% E-Commerce Development
    10% UX/UI Design

    Focus Areas

    30% JavaScript
    35% Typescript
    20% HTML5 +1
    15% Python

    Established in 2024, Oaksun is a small web design agency. Their services include Web Design and Web Development.

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  • Pixeera Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    Freelancer
    Sheridan, WY

    Services provided

    35% Web Development
    40% Custom Software Development
    15% API Development +1
    10% E-Commerce Development

    Focus Areas

    30% JavaScript
    40% Typescript
    30% PHP

    Pixeera is a small software development firm. Launched in 2026, the team provides Custom Software Development and Web Development.

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  • Techos Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9
    Bacău, Romania

    Services provided

    20% Web Development
    50% Web Design
    20% E-Commerce Development +1
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    60% HTML5
    20% PHP +1
    10% jquery

    Techos is a web design agency. Their small team is located in Bacău, Romania and offers Web Design and Web Development. The agency was founded in 2025.

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  • Vault R&D Logotype

    5.0 1 review
    $75,000+
    $100 - $149 / hr
    10 - 49
    San Diego, CA

    Services provided

    15% Web Development
    25% UX/UI Design
    20% Enterprise App Modernization +3
    15% Custom Software Development
    15% Mobile App Development
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    15% C#
    15% Java +9
    10% Other programming & scripting languages
    10% SQL
    10% Typescript
    5% Go
    5% Kotlin
    5% Objective C
    5% Redux
    5% Scala
    5% Swift

    Vault R&D specializes in comprehensive software development and strategic consulting, particularly for healthcare platforms, with a focus on enhancing user experience, security, and workflow optimization. Clients consistently commend their client-centric, innovative approach that delivers significant business impact and measurable outcomes, such as reduced documentation errors and improved reimbursement rates, while maintaining excellent project management and collaborative communication.

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  • Reinto UK Ltd. Logotype

    Reinto UK Ltd.

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49

    Services provided

    15% Web Development
    15% AR/VR Development
    15% Custom Software Development +5
    15% Mobile App Development
    10% Architectural Design
    10% Graphic Design
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    10% C
    10% C# +7
    10% C++
    10% Java
    10% Kotlin
    10% Objective C
    10% PHP
    10% Python
    10% Swift

    Reinto UK Ltd. Is a software development company. Their small team is located in London, England. Their services include Custom Software Development and AR/VR development.

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  • POSSIBILITY SOLUTIONS PRIVATE LIMITED Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Sahibzada Ajit Singh Nagar, India

    Services provided

    15% Web Development
    40% Mobile App Development
    25% Custom Software Development +2
    10% IoT Development
    10% Wearable App Development

    Focus Areas

    10% JavaScript
    25% Kotlin
    25% Swift +3
    15% PHP
    15% SQL
    10% Objective C

    POSSIBILITY SOLUTIONS PRIVATE LIMITED is a small mobile app development firm in Sahibzada Ajit Singh Nagar, India. Their services include Mobile App Development and Custom Software Development.

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  • ONYX IT Solutions Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Islamabad, Pakistan

    Services provided

    15% Web Development
    50% Mobile App Development
    15% UX/UI Design +2
    10% Custom Software Development
    10% Web Design

    Focus Areas

    10% JavaScript
    50% Redux
    20% PHP +2
    10% Java
    10% Swift

    ONYX IT Solutions is a small app development company. They focus on Mobile App Development and UX/UI Design and were founded in 2020.

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  • Think Byg - Digital Marketing Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Manikonda Jagir, India

    Services provided

    10% Web Development
    15% Social Media Marketing
    10% Branding +10
    10% Digital Strategy
    10% Marketing Strategy
    10% Search Engine Optimization
    5% Advertising
    5% Content Marketing
    5% E-Commerce Development
    5% Logo
    5% Pay Per Click
    5% UX/UI Design
    5% Web Design

    Focus Areas

    15% JavaScript
    50% Java
    20% ASP.NET +1
    15% PHP

    Think Byg - Digital Marketing, a social media marketing company, was established in 2020. Located in Manikonda Jagir, India, the team focuses on Social Media Marketing and Branding.

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  • Spark | UX/UI and Branding Agency Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Seef, Bahrain

    Services provided

    10% Web Development
    15% Branding
    15% UX/UI Design +22
    15% Web Design
    10% AR/VR Development
    10% Search Engine Optimization
    4% E-Commerce Development
    3% Social Media Marketing
    2% Mobile App Development
    1% Affiliate Marketing
    1% Application Management & Support
    1% Content Marketing
    1% Corporate Photography
    1% Digital Strategy
    1% Email Marketing
    1% Enterprise App Modernization
    1% Graphic Design
    1% Logo
    1% Mobile & App Marketing
    1% Other Application Development
    1% Other Digital Marketing
    1% Packaging Design
    1% Print Design
    1% Product Design
    1% Translation

    Focus Areas

    15% JavaScript
    15% C#
    15% PHP +13
    15% SQL
    10% ASP.NET
    10% Java
    10% Other programming & scripting languages
    2% AJAX
    1% ASP
    1% C
    1% C++
    1% ColdFusion
    1% Perl
    1% Python
    1% Visual Basic
    1% XML

    Spark | UX/UI and Branding Agency is a Seef, Bahrain-based branding agency. Their services include Branding and Web Design.

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  • OTOBIT PRIVATE LIMITED Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Surat, India

    Services provided

    15% Web Development
    20% ERP Consulting and SI
    15% Enterprise App Modernization +4
    15% IoT Development
    15% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    20% Typescript
    10% ASP +10
    10% ASP.NET
    10% XML
    5% AJAX
    5% C#
    5% C++
    5% HTML5
    5% Kotlin
    5% PHP
    5% Redux
    5% Visual Basic

    Located in Surat, India and Brahmapur, India, OTOBIT PRIVATE LIMITED is a small ERP consulting and SI company. Their services include ERP consulting and SI and Web Development.

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  • Cognitech Technologies Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Navi Mumbai, India

    Services provided

    15% Web Development
    20% Custom Software Development
    20% E-Commerce Development +4
    20% Mobile App Development
    15% IT Staff Augmentation
    5% Application Testing
    5% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    15% Java
    15% Python +8
    10% Objective C
    10% PHP
    10% Ruby
    10% Swift
    7% ASP.NET
    5% C++
    5% SQL
    3% Other programming & scripting languages

    Cognitech Technologies is a software development company. The team specializes in Custom Software Development and Mobile App Development, and the agency is in Navi Mumbai, India.

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  • OrixLab Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Khulna, Bangladesh

    Services provided

    15% Web Development
    25% Mobile App Development
    15% Search Engine Optimization +6
    15% Web Design
    10% E-Commerce Development
    5% Content Marketing
    5% Graphic Design
    5% Mobile & App Marketing
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    30% PHP
    30% Swift +3
    10% AJAX
    10% Java
    10% Kotlin

    Established in 2022, OrixLab is a mobile application development company. The small team focuses on Mobile App Development and Search Engine Optimization.

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  • Digib2b Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Delhi, India

    Services provided

    10% Web Development
    18% E-Commerce Development
    18% Mobile App Development +9
    12% IT Strategy Consulting
    11% Low/No Code Development
    10% Custom Software Development
    6% IT Managed Services
    5% ERP Consulting and SI
    4% Graphic Design
    3% Enterprise App Modernization
    2% UX/UI Design
    1% Web Design

    Focus Areas

    15% JavaScript
    65% Python
    15% SQL +1
    5% Other programming & scripting languages

    Digib2b, a website development firm, was founded in 2017. The small team provides Web Development and Mobile App Development.

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  • Techinteract Logotype

    Techinteract

    Not yet reviewed

    $5,000+
    < $25 / hr
    10 - 49

    Services provided

    15% Web Development
    25% E-Commerce Development
    20% IT Staff Augmentation +5
    10% Content Writing Services
    10% Low/No Code Development
    10% UX/UI Design
    5% Application Testing
    5% Product Design

    Focus Areas

    10% JavaScript
    15% PHP
    15% Python +7
    10% AJAX
    10% Ember.js
    10% Other programming & scripting languages
    10% Redux
    10% SQL
    5% Typescript
    5% XML

    Founded in 2022, Techinteract is a web development firm. The small team offers Web Development and E-Commerce Development.

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  • Artista Group Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Ahmedabad, India

    Services provided

    15% Web Development
    15% Application Testing
    15% E-Commerce Development +8
    15% Mobile App Development
    10% UX/UI Design
    5% Custom Software Development
    5% Cybersecurity
    5% ERP Consulting and SI
    5% Graphic Design
    5% Logo
    5% Wearable App Development

    Focus Areas

    10% JavaScript
    20% Kotlin
    20% PHP +4
    15% SQL
    15% Swift
    10% Java
    10% Objective C

    Artista Group is a web development firm launched in 2015. The team provides Web Development and Mobile App Development.

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  • Automata Ventres Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Bengaluru, India

    Services provided

    10% Web Development
    40% Mobile App Development
    15% Other Application Development +6
    10% Custom Software Development
    5% Application Management & Support
    5% Cloud Consulting & SI
    5% ERP Consulting and SI
    5% Enterprise App Modernization
    5% Other IT Consulting and SI

    Focus Areas

    15% JavaScript
    25% Other programming & scripting languages
    20% ASP.NET +5
    20% Typescript
    5% PHP
    5% Python
    5% Ruby
    5% SQL

    Automata Ventres is a Bengaluru, India-based application development firm. Established in 2021, the team offers Mobile App Development and Other Application Development.

    Read more
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  • devmaxim Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Lahore, Pakistan

    Services provided

    15% Web Development
    20% Mobile App Development
    15% Custom Software Development +8
    14% Low/No Code Development
    10% Other Application Development
    5% Application Management & Support
    5% Application Testing
    5% E-Commerce Development
    5% IT Managed Services
    5% UX/UI Design
    1% Web Design

    Focus Areas

    10% JavaScript
    20% ASP.NET
    15% Typescript +7
    10% ASP
    10% C#
    10% Kotlin
    10% XML
    5% AJAX
    5% Other programming & scripting languages
    5% SQL

    Devmaxim is a custom software development company. Established in 2016, the company provides Custom Software Development and Mobile App Development.

    Read more
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  • Startem Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Mississauga, Canada

    Services provided

    10% Web Development
    15% Mobile App Development
    10% Custom Software Development +9
    10% IoT Development
    10% Low/No Code Development
    10% UX/UI Design
    10% Web Design
    5% AI Development
    5% Blockchain
    5% E-Commerce Development
    5% Product Design
    5% Wearable App Development

    Focus Areas

    15% JavaScript
    20% SQL
    15% Python +6
    15% Redux
    10% Ember.js
    10% Typescript
    5% AJAX
    5% Kotlin
    5% XML

    Established in 2016, Startem is a custom software development firm. The firm offers Custom Software Development and Mobile App Development.

    Read more
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  • TechLattice Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Bengaluru, India

    Services provided

    10% Web Development
    15% CRM Consulting and SI
    15% Enterprise App Modernization +6
    10% BI & Big Data Consulting & SI
    10% Custom Software Development
    10% IT Staff Augmentation
    10% Low/No Code Development
    10% Mobile App Development
    10% Robotics Process Automation

    Focus Areas

    15% JavaScript
    15% Java
    15% Kotlin +4
    15% Objective C
    15% PHP
    15% Swift
    10% Redux

    Founded in 2020, TechLattice is a CRM consulting and SI company. Their team focuses on CRM consulting and SI and Enterprise App Modernization.

    Read more
    View Profile
  • Wedev.live Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Surat, India

    Services provided

    15% Web Development
    15% Custom Software Development
    15% E-Commerce Development +9
    15% Mobile App Development
    5% Branding
    5% Ecommerce Marketing
    5% Graphic Design
    5% Packaging Design
    5% Search Engine Optimization
    5% Social Media Marketing
    5% UX/UI Design
    5% Web Design

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +10
    10% PHP
    10% SQL
    10% Visual Basic
    10% XML
    5% AJAX
    5% Kotlin
    5% Objective C
    5% Other programming & scripting languages
    5% Python
    5% Swift

    Wedev.live is a custom software development firm headquartered in Surat, India. Their services include Custom Software Development and Web Development.

    Read more
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  • Hexagon Digitals Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Colombo, Sri Lanka

    Services provided

    10% Web Development
    20% Custom Software Development
    20% Mobile App Development +7
    10% Application Management & Support
    10% E-Commerce Development
    10% Enterprise App Modernization
    5% AI Development
    5% AR/VR Development
    5% Blockchain
    5% IT Managed Services

    Focus Areas

    15% JavaScript
    50% Java
    15% Python +2
    15% SQL
    5% Typescript

    Founded in 2021, Hexagon Digitals, a small custom software development company, is in Colombo, Sri Lanka. Their team offers Custom Software Development and Mobile App Development.

    Read more
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  • E-Services 360 Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Islamabad, Pakistan

    Services provided

    15% Web Development
    20% IT Strategy Consulting
    15% IT Managed Services +5
    10% Branding
    10% E-Commerce Development
    10% Low/No Code Development
    10% Mobile App Development
    10% Social Media Marketing

    Focus Areas

    10% JavaScript
    40% PHP
    25% SQL +2
    15% AJAX
    10% Python

    E-Services 360 is a website development company. Located in Islamabad, Pakistan, their team focuses on Web Development and IT strategy consulting.

    Read more
    View Profile
  • Glatzon Solution Logotype

    Not yet reviewed

    $5,000+
    < $25 / hr
    10 - 49
    Gaspar - Santa Catarina, Brazil

    Services provided

    10% Web Development
    25% Application Management & Support
    15% Enterprise App Modernization +4
    15% HR Outsourcing
    15% Recruiting
    10% Custom Software Development
    10% Low/No Code Development

    Focus Areas

    15% JavaScript
    15% Kotlin
    15% PHP +5
    15% SQL
    10% ASP
    10% C#
    10% Objective C
    10% Visual Basic

    Application Management & Support company Glatzon Solution is in Gaspar - Santa Catarina, Brazil. Their services include Application Management & Support and Custom Software Development.

    Read more
    View Profile
  • Techniklers Logotype

    Techniklers

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49

    Services provided

    15% Web Development
    20% Logo
    15% E-Commerce Development +8
    14% Low/No Code Development
    10% Web Design
    5% Branding
    5% Graphic Design
    5% Mobile App Development
    5% Social Media Marketing
    5% UX/UI Design
    1% Custom Software Development

    Focus Areas

    10% JavaScript
    15% Swift
    10% AJAX +8
    10% ASP.NET
    10% Objective C
    10% PHP
    10% Redux
    10% SQL
    5% C++
    5% Java
    5% XML

    Techniklers is a Casper, Wyoming-based website development firm. The team provides Web Development and Logo.

    Read more
    View Profile
  • Muljin Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    London, England

    Services provided

    10% Web Development
    35% Mobile App Development
    25% Custom Software Development +3
    10% E-Commerce Development
    10% Low/No Code Development
    10% Other Application Development

    Focus Areas

    15% JavaScript
    25% ASP.NET
    25% C# +3
    15% SQL
    15% Typescript
    5% HTML5

    Established in 2015, Muljin is a software development firm. The small team offers Custom Software Development and Mobile App Development.

    Read more
    View Profile
  • Insolite Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Sabadell, Spain

    Services provided

    10% Web Development
    30% Mobile App Development
    10% Business Consulting +5
    10% Custom Software Development
    10% IT Strategy Consulting
    10% Low/No Code Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    40% Redux
    20% Typescript +2
    15% Kotlin
    10% SQL

    Insolite, an application development company, is located in Sabadell, Spain. Founded in 2022, the team provides Mobile App Development and Web Design.

    Read more
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Ability to deliver
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Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 ImageX
2 xfive
3 GeekyAnts
4 Flowout
5 Brainhub
6 The Software House
7 PowerGate Software
8 HTMLPanda
9 FocusReactive
10 Arcanys
11 WPWeb Infotech
12 Softonix
13 PopArt Studio
14 Lizard Global
15 Experion Technologies

List of the Top 15 JavaScript Development Companies

  1. ImageX Logotype

    ImageX

    $75,000+
    $100 - $149 / hr
    50 - 249
    Vancouver, Canada

    Ability to deliver

    38.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    8.7/10 Market Presence

    Service focus

    90% Web Development
    50% JavaScript
    10% Other
    View Profile Visit Website
  2. xfive Logotype

    xfive

    $25,000+
    $50 - $99 / hr
    50 - 249
    Kraków, Poland

    Ability to deliver

    35.9/40.0
    19/20 Reviews
    10/10 Clients & Experience
    6.9/10 Market Presence

    Service focus

    60% Web Development
    50% JavaScript
    40% Other
    View Profile Visit Website
  3. GeekyAnts Logotype

    GeekyAnts

    $10,000+
    $25 - $49 / hr
    250 - 999
    Bengaluru, India

    Ability to deliver

    37.2/40.0
    20/20 Reviews
    10/10 Clients & Experience
    7.2/10 Market Presence

    Service focus

    20% Web Development
    40% JavaScript
    80% Other
    View Profile Visit Website
  4. Flowout Logotype

    Flowout

    $5,000+
    $50 - $99 / hr
    50 - 249
    Maribor, Slovenia

    Ability to deliver

    35.1/40.0
    20/20 Reviews
    10/10 Clients & Experience
    5.1/10 Market Presence

    Service focus

    40% Web Development
    100% JavaScript
    60% Other
    View Profile Visit Website
  5. Brainhub Logotype

    Brainhub

    $50,000+
    $50 - $99 / hr
    50 - 249
    Gliwice, Poland

    Ability to deliver

    34.1/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

    45% Web Development
    75% JavaScript
    55% Other
    View Profile Visit Website
  6. The Software House Logotype

    The Software House

    $25,000+
    $50 - $99 / hr
    50 - 249
    Gliwice, Poland

    Ability to deliver

    34.5/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

    40% Web Development
    60% JavaScript
    60% Other
    View Profile Visit Website
  7. PowerGate Software Logotype

    PowerGate Software

    $10,000+
    < $25 / hr
    250 - 999
    Hanoi, Vietnam

    Ability to deliver

    35.9/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    7.1/10 Market Presence

    Service focus

    30% Web Development
    21% JavaScript
    70% Other
    View Profile Visit Website
  8. HTMLPanda Logotype

    HTMLPanda

    $1,000+
    < $25 / hr
    250 - 999
    Walpole, MA

    Ability to deliver

    32.8/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    6.6/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  9. FocusReactive Logotype

    FocusReactive

    $10,000+
    $50 - $99 / hr
    10 - 49
    London, England

    Ability to deliver

    34.8/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    6.2/10 Market Presence

    Service focus

    50% Web Development
    90% JavaScript
    50% Other
    View Profile Visit Website
  10. Arcanys Logotype

    Arcanys

    $100,000+
    $25 - $49 / hr
    250 - 999
    Cebu City, Philippines

    Ability to deliver

    35.6/40.0
    20/20 Reviews
    10/10 Clients & Experience
    5.6/10 Market Presence

    Service focus

    30% Web Development
    20% JavaScript
    70% Other
    View Profile Visit Website
  11. WPWeb Infotech Logotype

    WPWeb Infotech

    $25,000+
    < $25 / hr
    250 - 999
    Ahmedabad, India

    Ability to deliver

    37/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    7.4/10 Market Presence

    Service focus

    45% Web Development
    10% JavaScript
    55% Other
    View Profile Visit Website
  12. Softonix Logotype

    Softonix

    $5,000+
    $25 - $49 / hr
    50 - 249
    Warszawa, Poland

    Ability to deliver

    32.3/40.0
    17.2/20 Reviews
    10/10 Clients & Experience
    5.1/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  13. PopArt Studio Logotype

    PopArt Studio

    $5,000+
    $50 - $99 / hr
    50 - 249
    Chicago, IL

    Ability to deliver

    35.6/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    6/10 Market Presence

    Service focus

    35% Web Development
    40% JavaScript
    65% Other
    View Profile Visit Website
  14. Lizard Global Logotype

    Lizard Global

    $10,000+
    $50 - $99 / hr
    50 - 249
    Amsterdam, Netherlands

    Ability to deliver

    34.9/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    5.1/10 Market Presence

    Service focus

    30% Web Development
    70% JavaScript
    70% Other
    View Profile Visit Website
  15. Experion Technologies Logotype

    Experion Technologies

    $10,000+
    $25 - $49 / hr
    1,000 - 9,999
    Plano, TX

    Ability to deliver

    33.6/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    6.8/10 Market Presence

    Service focus

    20% Web Development
    25% JavaScript
    80% Other
    View Profile Visit Website
  16. INOXOFT Logotype

    INOXOFT

    $25,000+
    $25 - $49 / hr
    50 - 249
    Newark, DE

    Ability to deliver

    35.5/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    6.7/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  17. Cleveroad Logotype

    Cleveroad

    $10,000+
    $25 - $49 / hr
    250 - 999
    New York, NY

    Ability to deliver

    36.2/40.0
    20/20 Reviews
    10/10 Clients & Experience
    6.2/10 Market Presence

    Service focus

    30% Web Development
    15% JavaScript
    70% Other
    View Profile Visit Website
  18. Povio Logotype

    Povio

    $10,000+
    $50 - $99 / hr
    50 - 249
    San Francisco, CA

    Ability to deliver

    32.6/40.0
    18.8/20 Reviews
    8.3/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    55% Web Development
    45% JavaScript
    45% Other
    View Profile Visit Website
  19. Sigma Software Group Logotype

    Sigma Software Group

    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    L'viv, Ukraine

    Ability to deliver

    36.3/40.0
    17.6/20 Reviews
    10/10 Clients & Experience
    8.8/10 Market Presence

    Service focus

    15% Web Development
    18% JavaScript
    85% Other
    View Profile Visit Website
  20. Xmartlabs Logotype

    Xmartlabs

    $10,000+
    $50 - $99 / hr
    50 - 249
    Montevideo, Uruguay

    Ability to deliver

    33.8/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    50% Web Development
    35% JavaScript
    50% Other
    View Profile Visit Website
  21. Incora Logotype

    Incora

    $25,000+
    $25 - $49 / hr
    50 - 249
    L'viv, Ukraine

    Ability to deliver

    33.1/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  23. Adchitects Logotype

    Adchitects

    $25,000+
    $50 - $99 / hr
    10 - 49
    Poznań, Poland

    Ability to deliver

    33.8/40.0
    17/20 Reviews
    10/10 Clients & Experience
    6.8/10 Market Presence

    Service focus

    50% Web Development
    60% JavaScript
    50% Other
    View Profile Visit Website
  24. Techuz InfoWeb Pvt. Ltd. Logotype

    Techuz InfoWeb Pvt. Ltd.

    $5,000+
    < $25 / hr
    50 - 249
    Ahmedabad, India

    Ability to deliver

    31.9/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  25. SpdLoad Logotype

    SpdLoad

    $50,000+
    $25 - $49 / hr
    50 - 249
    Kharkiv, Ukraine

    Ability to deliver

    31.9/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  26. XWP Logotype

    XWP

    $50,000+
    $150 - $199 / hr
    50 - 249
    New York, NY

    Ability to deliver

    31.9/40.0
    15.8/20 Reviews
    10/10 Clients & Experience
    6.1/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  27. Toptal Logotype

    Toptal

    $50,000+
    $100 - $149 / hr
    1,000 - 9,999
    San Francisco, CA

    Ability to deliver

    33.9/40.0
    17.2/20 Reviews
    9.9/10 Clients & Experience
    6.8/10 Market Presence

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  28. unicrew Logotype

    unicrew

    $10,000+
    $25 - $49 / hr
    50 - 249
    Kraków, Poland

    Ability to deliver

    33.8/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    5/10 Market Presence

    Service focus

    30% Web Development
    50% JavaScript
    70% Other
    View Profile Visit Website
  29. Konstant Infosolutions Logotype

    Konstant Infosolutions

    $5,000+
    $25 - $49 / hr
    250 - 999
    Jaipur, India

    Ability to deliver

    37.4/40.0
    20/20 Reviews
    10/10 Clients & Experience
    7.4/10 Market Presence

    Service focus

    10% Web Development
    25% JavaScript
    90% Other
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  30. Vardot Logotype

    Vardot

    $25,000+
    $100 - $149 / hr
    50 - 249
    Santa Clara, CA

    Ability to deliver

    35.1/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    7.3/10 Market Presence

    Service focus

    60% Web Development
    20% JavaScript
    40% Other
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Top JavaScript Development Agencies

A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.

Most agencies bundle multiple offerings so clients can access full product life-cycle support:

  • Discovery workshops & technical consulting
  • UI/UX design and prototyping
  • Front-end SPA or PWA development
  • Server-side development with Node.js or Deno
  • API design, GraphQL, and microservices architecture
  • QA automation & performance testing
  • DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
  • Post-launch maintenance and feature sprints

Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.

Clutch data shows project budgets range widely:

  • MVP or small web app - $15,000–$50,000
  • Mid-size product build - $50,000–$200,000
  • Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.

  • Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
  • Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
  • Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
  • Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
  • Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.

Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.

  • Guaranteed timelines without discovery
  • No access to source code repositories during the engagement
  • Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
  • Low developer retention or high turnover
  • Vague pricing models or hidden fees

If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution

  • Which JavaScript frameworks do you specialize in, and why?
  • Can you walk me through a recent project with similar complexity?
  • How do you ensure code quality—linting, peer reviews, automated tests?
  • What is your approach to scalability and performance optimization?
  • How will we communicate and track progress (tools, meeting cadence)?
  • Who owns the intellectual property and source code upon project completion?

Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.

A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.

Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.

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