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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

  • InnovaLab Logotype

    InnovaLab

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49

    Services provided

    10% Web Development
    15% Custom Software Development
    15% Enterprise App Modernization +6
    10% Application Management & Support
    10% Cloud Consulting & SI
    10% Cybersecurity
    10% IT Managed Services
    10% IT Staff Augmentation
    10% Other IT Consulting and SI

    Focus Areas

    15% JavaScript
    25% ASP.NET
    15% C# +5
    15% SQL
    10% HTML5
    10% Typescript
    5% Python
    5% Redux

    Founded in 2021, InnovaLab is a custom software development firm. Their team provides Custom Software Development and Enterprise App Modernization.

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  • STARACK Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    North Wollongong, Australia

    Services provided

    10% Web Development
    40% IT Staff Augmentation
    10% Custom Software Development +6
    10% Low/No Code Development
    10% Mobile App Development
    5% Application Management & Support
    5% Cloud Consulting & SI
    5% IT Managed Services
    5% IT Strategy Consulting

    Focus Areas

    15% JavaScript
    10% Java
    10% SQL +13
    5% ASP.NET
    5% C#
    5% C++
    5% Go
    5% HTML5
    5% Kotlin
    5% Objective C
    5% Other programming & scripting languages
    5% PHP
    5% Python
    5% Redux
    5% Swift
    5% Typescript

    STARACK is an IT staff augmentation company. Established in 2019, the team provides IT staff augmentation and Web Development.

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  • Enchird Technologies Logotype

    Enchird Technologies

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Custom Software Development
    30% Mobile App Development +1
    30% UX/UI Design

    Focus Areas

    15% JavaScript
    25% HTML5
    20% Other programming & scripting languages +3
    20% SQL
    10% Ember.js
    10% Typescript

    Enchird Technologies, an user experience design agency, was launched in 2018. The team provides UX/UI Design and Custom Software Development and is headquartered in Yaounde, Cameroon.

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  • Satmec Solutions Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Houston, TX

    Services provided

    10% Web Development
    12% Low/No Code Development
    12% Mobile App Development +28
    10% Wearable App Development
    7% E-Commerce Development
    7% UX/UI Design
    4% Mobile & App Marketing
    3% Application Management & Support
    3% Architectural Design
    3% Search Engine Optimization
    2% AI Development
    2% Cloud Consulting & SI
    2% Content Writing Services
    2% Digital Strategy
    2% Email Marketing
    2% Finance & Accounting Outsourcing (FAO)
    2% Other Application Development
    2% Social Media Marketing
    1% AR/VR Development
    1% Affiliate Marketing
    1% Application Testing
    1% CRM Consulting and SI
    1% Content Marketing
    1% Custom Software Development
    1% Ecommerce Marketing
    1% Enterprise App Modernization
    1% Graphic Design
    1% IoT Development
    1% Logo
    1% Pay Per Click
    1% Product Design

    Focus Areas

    15% JavaScript
    16% C#
    15% Python +7
    15% Visual Basic
    10% SQL
    8% ASP.NET
    8% C++
    5% HTML5
    5% Perl
    3% Other programming & scripting languages

    Satmec Solutions, a website development firm, was founded in 2022. They offers Web Development and Mobile App Development.

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  • MVCode Logotype

    MVCode

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Architectural Design
    20% Enterprise App Modernization +3
    15% Low/No Code Development
    15% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    45% Typescript
    15% PHP +2
    15% Redux
    10% HTML5

    MVCode is an Architectural Design company. In Kharkiv, Ukraine, the company was launched in 2021. Their services include Architectural Design and Web Development.

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  • Creativaim - Digital Marketing Agency Logotype

    Creativaim - Digital Marketing Agency

    Not yet reviewed

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

    Services provided

    10% Web Development
    25% Branding
    15% Social Media Marketing +4
    15% UX/UI Design
    15% Web Design
    10% Graphic Design
    10% Print Design

    Focus Areas

    15% JavaScript
    10% C
    10% C# +7
    10% C++
    10% HTML5
    10% Java
    10% PHP
    10% Python
    10% XML
    5% Scala

    Launched in 2014, Creativaim - Digital Marketing Agency is a branding firm. The small team provides Branding and Social Media Marketing.

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  • weXenon Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Faisalabad, Pakistan

    Services provided

    10% Web Development
    10% Application Management & Support
    10% Application Testing +8
    10% Custom Software Development
    10% E-Commerce Development
    10% Mobile App Development
    10% Product Design
    10% UX/UI Design
    10% Web Design
    5% Enterprise App Modernization
    5% Graphic Design

    Focus Areas

    15% JavaScript
    10% Kotlin
    10% PHP +10
    10% Python
    10% Redux
    10% SQL
    5% AJAX
    5% ASP.NET
    5% C#
    5% HTML5
    5% Rust
    5% Typescript
    5% XML

    WeXenon, a web design agency, was founded in 2023. The agency focuses on Web Design and UX/UI Design.

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  • Devio Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Brooklyn, New York, NY

    Services provided

    10% Web Development
    20% Mobile App Development
    10% Logo +9
    10% Low/No Code Development
    10% UX/UI Design
    10% Web Design
    5% AI Consulting
    5% AI Development
    5% Branding
    5% Content Marketing
    5% Digital Strategy
    5% Graphic Design

    Focus Areas

    15% JavaScript
    20% Python
    15% Swift +6
    10% AJAX
    10% Kotlin
    10% PHP
    10% SQL
    5% HTML5
    5% Objective C

    Established in 2023, Devio is a website development company. The company specializes in Web Development and Mobile App Development, and is small.

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  • Code Crafters Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% AI Development
    15% Custom Software Development +5
    15% Generative AI
    15% Mobile App Development
    10% AI Consulting
    10% BI & Big Data Consulting & SI
    5% Cloud Consulting & SI

    Focus Areas

    10% JavaScript
    10% Kotlin
    10% Objective C +11
    10% PHP
    10% Python
    10% Swift
    5% AJAX
    5% C#
    5% HTML5
    5% Redux
    5% SQL
    5% Typescript
    5% Visual Basic
    5% XML

    Code Crafters is a software development company. Based in Chennai, India, the company focuses on Custom Software Development and Web Development.

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  • Softversum Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Dubai, United Arab Emirates

    Services provided

    10% Web Development
    15% Blockchain
    15% E-Commerce Development +5
    15% Mobile App Development
    15% Other Application Development
    10% Custom Software Development
    10% Digital Strategy
    10% Low/No Code Development

    Focus Areas

    15% JavaScript
    15% Python
    10% C++ +11
    10% Java
    5% ASP
    5% HTML5
    5% Other programming & scripting languages
    5% PHP
    5% Ruby
    5% SQL
    5% Swift
    5% Typescript
    5% Visual Basic
    5% XML

    Softversum, a custom software development firm, was launched in 2022. Headquartered in Dubai, United Arab Emirates, the team focuses on Custom Software Development and Web Development.

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  • Invelopers Consulting Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    40% DevOps Managed Services
    10% Cloud Consulting & SI +4
    10% Other Application Development
    10% UX/UI Design
    10% Web Design
    5% Mobile App Development

    Focus Areas

    10% JavaScript
    35% Other programming & scripting languages
    20% PHP +5
    10% Python
    10% SQL
    5% C#
    5% Java
    5% Typescript

    Invelopers Consulting is a DevOps Managed Services company founded in 2022. The firm offers DevOps Managed Services and Web Development, and is small.

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  • Webastrix Logotype

    Webastrix

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Branding
    10% Content Marketing +9
    10% Digital Strategy
    10% E-Commerce Development
    10% Ecommerce Marketing
    10% Search Engine Optimization
    10% Social Media Marketing
    5% Advertising
    5% Email Marketing
    5% Media Planning & Buying
    5% Mobile App Development

    Focus Areas

    15% JavaScript
    15% HTML5
    15% PHP +6
    15% Python
    15% XML
    10% ASP.NET
    5% C#
    5% C++
    5% Java

    Webastrix is a small branding firm founded in 2022. Their services include Branding and Digital Strategy.

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  • Softonix IT Solutions Logotype

    Softonix IT Solutions

    Not yet reviewed

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

    Services provided

    15% Web Development
    20% Custom Software Development
    20% E-Commerce Development +12
    15% Mobile App Development
    5% DevOps Managed Services
    5% Other Application Development
    5% Social Media Marketing
    4% Search Engine Optimization
    3% Application Management & Support
    2% Ecommerce Marketing
    2% Email Marketing
    1% API Development
    1% Application Testing
    1% Digital Strategy
    1% Pay Per Click

    Focus Areas

    10% JavaScript
    25% Other programming & scripting languages
    25% PHP +3
    25% SQL
    10% Java
    5% HTML5

    Small custom software development company Softonix IT Solutions, is located in Montréal, Canada. The team provides Custom Software Development and E-Commerce Development.

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  • Codetentacles Technologies Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Blockchain
    10% Custom Software Development +8
    10% E-Commerce Development
    10% Mobile App Development
    5% Blockchain Marketing
    5% Content Marketing
    5% Digital Strategy
    5% Ecommerce Marketing
    5% Email Marketing
    5% Social Media Marketing

    Focus Areas

    15% JavaScript
    30% Typescript
    20% PHP +3
    15% ASP.NET
    10% HTML5
    10% jquery

    Founded in 2015, Codetentacles Technologies is a Blockchain company. Their team offers Blockchain and Custom Software Development.

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  • BazleDev Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    London, England

    Services provided

    15% Web Development
    25% Digital Strategy
    25% E-Commerce Development +2
    25% Search Engine Optimization
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    50% PHP
    15% AJAX +3
    15% Python
    5% Ruby
    5% Scala

    BazleDev is a small Digital Strategy company in London, England and İstanbul, Türkiye. The team focuses on Digital Strategy and Search Engine Optimization.

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  • DEVEND Technologies Logotype

    DEVEND Technologies

    Not yet reviewed

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

    Services provided

    15% Web Development
    10% E-Commerce Development
    10% Low/No Code Development +11
    10% Search Engine Optimization
    10% Social Media Marketing
    5% Advertising
    5% Digital Strategy
    5% Ecommerce Marketing
    5% Email Marketing
    5% IT Strategy Consulting
    5% Media Planning & Buying
    5% Mobile App Development
    5% Other Digital Marketing
    5% Pay Per Click

    Focus Areas

    10% JavaScript
    50% PHP
    5% HTML5 +9
    5% Other programming & scripting languages
    5% SQL
    5% Typescript
    5% backbone.js
    5% jquery
    4% Redux
    2% AJAX
    2% C#
    2% C++

    DEVEND Technologies is a web development firm located in Rosemount, Minnesota. They provide Web Development and Social Media Marketing and were established in 2023.

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  • CateNET Solutions Logotype

    CateNET Solutions

    Not yet reviewed

    $1,000+
    Undisclosed
    10 - 49

    Services provided

    10% Web Development
    20% Social Media Marketing
    15% Branding +7
    10% Custom Software Development
    10% Graphic Design
    10% Low/No Code Development
    10% Search Engine Optimization
    5% Digital Strategy
    5% Email Marketing
    5% SMS Marketing

    Focus Areas

    15% JavaScript
    25% HTML5
    25% PHP +5
    10% C#
    10% Visual Basic
    5% Python
    5% XML
    5% jquery

    CateNET Solutions is a social media marketing company located in Los Angeles, California. Their services include Social Media Marketing and Web Development.

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  • Vivansh Enterprise Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Mobile App Development
    20% Social Media Marketing +8
    10% Low/No Code Development
    10% Marketing Strategy
    5% Advertising
    5% Branding
    5% E-Commerce Development
    5% Pay Per Click
    5% Search Engine Optimization
    5% Wearable App Development

    Focus Areas

    15% JavaScript
    65% PHP
    20% HTML5

    Based in Surat, India, Vivansh Enterprise is a small social media marketing company. The team provides Social Media Marketing and Web Development.

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  • Nama Coders Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Riyadh, Saudi Arabia

    Services provided

    20% Web Development
    20% Mobile App Development
    10% API Development +5
    10% Custom Software Development
    10% DevOps Managed Services
    10% E-Commerce Development
    10% Microservices Architecture Services
    10% Other Application Development

    Focus Areas

    20% JavaScript
    20% HTML5
    20% PHP +4
    10% Other programming & scripting languages
    10% Redux
    10% SQL
    10% jquery

    Nama Coders is a web development company. They are located in Riyadh, Saudi Arabia and have small team. They offer Web Development and Mobile App Development.

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  • Sense7AI, Inc Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Pleasanton, CA

    Services provided

    20% Web Development
    30% AI Development
    30% Mobile App Development +2
    15% UX/UI Design
    5% IT Staff Augmentation

    Focus Areas

    20% JavaScript
    20% Python
    20% Ruby +4
    10% C#
    10% C++
    10% Kotlin
    10% Swift

    Mobile app development firm Sense7AI, Inc is located in Pleasanton, California and Coimbatore, India. Established in 2022, the team focuses on Mobile App Development and Artificial Intelligence.

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  • We Go Beyond Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    10 - 49
    Birmingham, England

    Services provided

    10% Web Development
    60% UX/UI Design
    20% E-Commerce Development +1
    10% AR/VR Development

    Focus Areas

    11% JavaScript
    12% AJAX
    11% C++ +6
    11% Ember.js
    11% Java
    11% Objective C
    11% PHP
    11% Ruby
    11% SQL

    We Go Beyond is an user experience design company based in Birmingham, England. They specialize in UX/UI Design and E-Commerce Development and were established in 2015.

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  • Cranai Infotech LLP Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AI Development
    10% Blockchain +8
    10% Custom Software Development
    10% Graphic Design
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    5% AR/VR Development
    5% IoT Development

    Focus Areas

    11% JavaScript
    11% ASP.NET
    11% PHP +10
    11% Python
    11% SQL
    10% Java
    5% AJAX
    5% HTML5
    5% Kotlin
    5% Other programming & scripting languages
    5% Redux
    5% Swift
    5% Typescript

    Located in rajkot, India, Cranai Infotech LLP is a social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.

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  • Mongoose Software Logotype

    Mongoose Software

    Not yet reviewed

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

    Services provided

    10% Web Development
    25% IT Staff Augmentation
    15% AI Development +4
    15% IoT Development
    15% Mobile App Development
    10% AR/VR Development
    10% Custom Software Development

    Focus Areas

    11% JavaScript
    12% Java
    11% C +6
    11% C#
    11% C++
    11% Go
    11% Objective C
    11% Python
    11% Swift

    Mongoose Software, an IT staff augmentation company, provides IT staff augmentation and Mobile App Development. The firm is in Valencia, Spain.

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  • Gesp IT Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Custom Software Development
    10% AI Development +6
    10% AR/VR Development
    10% Blockchain
    10% Cybersecurity
    10% Low/No Code Development
    10% Mobile App Development
    10% Other Application Development

    Focus Areas

    11% JavaScript
    12% AJAX
    11% HTML5 +6
    11% PHP
    11% Python
    11% Redux
    11% Rust
    11% SQL
    11% Typescript

    Gesp IT is a software development company located in Sibiu, Romania. They provide Custom Software Development and Cybersecurity.

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  • Raysco Web & Net Solutions LTD Logotype

    Raysco Web & Net Solutions LTD

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49

    Services provided

    11% Web Development
    10% Custom Software Development
    10% E-Commerce Development +15
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design
    5% Graphic Design
    5% IT Strategy Consulting
    5% Other Digital Marketing
    5% Search Engine Optimization
    5% Social Media Marketing
    3% Application Testing
    3% Wearable App Development
    2% Corporate Photography
    2% Logo
    2% Other IT Consulting and SI
    1% Business Consulting
    1% Corporate Training & Coaching

    Focus Areas

    10% JavaScript
    50% HTML5
    20% PHP +2
    10% AJAX
    10% Java

    Raysco Web & Net Solutions LTD, a small web development company, is in Nairobi, Kenya. The team focuses on Web Development and Web Design.

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  • Creative Brain Logotype

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    10 - 49
    Tallinn, Estonia

    Services provided

    10% Web Development
    10% Content Marketing
    10% E-Commerce Development +7
    10% Graphic Design
    10% Mobile App Development
    10% Out of Home Design
    10% Print Design
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    11% JavaScript
    12% HTML5
    11% ASP.NET +6
    11% C#
    11% C++
    11% Java
    11% Other programming & scripting languages
    11% PHP
    11% Python

    Creative Brain is a social media marketing firm. The team is in Tallinn, Estonia and Limassol, Cyprus, and their services include Social Media Marketing and Content Marketing.

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  • Outthinkcoders Logotype

    Outthinkcoders

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49

    Services provided

    10% Web Development
    20% IT Staff Augmentation
    10% AR/VR Development +6
    10% CRM Consulting and SI
    10% ERP Consulting and SI
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Search Engine Optimization
    10% UX/UI Design

    Focus Areas

    11% JavaScript
    11% ASP.NET
    11% PHP +13
    7% Kotlin
    5% AJAX
    5% ASP
    5% C#
    5% HTML5
    5% Java
    5% Other programming & scripting languages
    5% SQL
    5% Swift
    5% Typescript
    5% XML
    5% backbone.js
    5% jquery

    Established in 2015, Outthinkcoders, a small IT staff augmentation company, is in Indore, India. Their team provides IT staff augmentation and Search Engine Optimization.

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  • DevXtech Logotype

    DevXtech

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49

    Services provided

    10% Web Development
    15% Logo
    15% Search Engine Optimization +5
    15% Social Media Marketing
    15% Web Design
    10% Mobile App Development
    10% Print Design
    10% Video Production

    Focus Areas

    11% JavaScript
    12% Kotlin
    11% AJAX +6
    11% Ember.js
    11% Objective C
    11% PHP
    11% Redux
    11% SQL
    11% Swift

    Founded in 2010, DevXtech is a social media marketing company. The agency provides Social Media Marketing and Search Engine Optimization.

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  • Webiz Technologies Logotype

    Webiz Technologies

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49

    Services provided

    10% Web Development
    20% Branding
    10% Content Marketing +6
    10% E-Commerce Development
    10% Email Marketing
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    11% JavaScript
    11% PHP
    11% Python +13
    7% Kotlin
    5% AJAX
    5% ASP.NET
    5% C#
    5% Ember.js
    5% HTML5
    5% Java
    5% Other programming & scripting languages
    5% Redux
    5% SQL
    5% Swift
    5% Typescript
    5% jquery

    Webiz Technologies is a branding firm based in Karachi, Pakistan. The team specializes in Branding and Social Media Marketing.

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  • Mammoth Media Logotype

    Mammoth Media

    5.0 1 review
    $5,000+
    $150 - $199 / hr
    2 - 9

    Services provided

    10% Web Development
    20% Branding
    20% Logo +4
    20% Search Engine Optimization
    10% Email Marketing
    10% Pay Per Click
    10% SMS Marketing

    Focus Areas

    10% JavaScript
    30% PHP
    20% HTML5 +3
    15% C++
    15% XML
    10% Java

    Mammoth Media offers digital marketing services, including search engine optimization (SEO), social media marketing, and content creation. The reviews highlight their exceptional project management, responsive customer service, and effective strategies, resulting in increased website traffic and revenue. Clients appreciate their personalized approach and commend their culture and work ethic. Overall, Mammoth Media is recommended for businesses seeking to enhance their digital marketing efforts.

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  • FIN Digital Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    2 - 9
    Washington, DC

    Services provided

    10% Web Development
    10% Application Management & Support
    10% Application Testing +9
    10% Custom Software Development
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% IoT Development
    10% Mobile App Development
    5% Logo
    5% UX/UI Design
    5% Wearable App Development
    5% Web Design

    Focus Areas

    10% JavaScript
    10% AJAX
    10% C++ +12
    10% Java
    10% PHP
    10% Python
    10% SQL
    10% Swift
    8% ASP
    2% ASP.NET
    2% Apex
    2% C
    2% Other programming & scripting languages
    2% Visual Basic
    2% XML

    Established in 2014, FIN Digital is a custom software development company. Their services include Custom Software Development and Enterprise App Modernization.

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  • IMPRiNT Digital Agency Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    Santa Monica, CA

    Services provided

    10% Web Development
    10% E-Commerce Development
    10% Mobile App Development +13
    10% Web Design
    5% AR/VR Development
    5% Blockchain
    5% Branding
    5% Content Marketing
    5% Digital Strategy
    5% Email Marketing
    5% Logo
    5% Marketing Strategy
    5% Media Planning & Buying
    5% Mobile & App Marketing
    5% Search Engine Optimization
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    10% PHP
    10% Ruby +14
    10% Swift
    5% AJAX
    5% ASP
    5% ASP.NET
    5% Apex
    5% C
    5% C#
    5% C++
    5% Java
    5% Objective C
    5% Python
    5% SQL
    3% Other programming & scripting languages
    2% XML

    IMPRiNT Digital Agency is an e-commerce development firm founded in 2015. The agency specializes in E-Commerce Development and Mobile App Development.

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  • VOLT LAB Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Dubai, United Arab Emirates

    Services provided

    10% Web Development
    10% Advertising
    10% Conversion Optimization +7
    10% Digital Strategy
    10% Email Marketing
    10% Mobile & App Marketing
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP +7
    10% ASP.NET
    10% Apex
    10% Java
    10% PHP
    10% SQL
    10% Swift
    10% XML

    VOLT LAB is an Advertising company. Founded in 2013, the firm provides Advertising and Conversion Optimization.

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  • allies.digital Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    Tallinn, Estonia

    Services provided

    10% Web Development
    10% AI Development
    10% Custom Software Development +7
    10% E-Commerce Development
    10% Graphic Design
    10% IoT Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    10% C++
    10% Ember.js +7
    10% Other programming & scripting languages
    10% PHP
    10% Perl
    10% Python
    10% Ruby
    10% SQL
    10% Swift

    Allies.digital is a custom software development firm. They offer Custom Software Development and UX/UI Design and were founded in 2018. The agency is headquartered in Tallinn, Estonia.

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  • Achieve Online Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Calgary, Canada

    Services provided

    10% Web Development
    15% Web Design
    10% Pay Per Click +13
    5% Advertising
    5% Business Consulting
    5% Content Marketing
    5% Digital Strategy
    5% Direct Marketing
    5% Email Marketing
    5% Graphic Design
    5% Logo
    5% Market Research
    5% Marketing Strategy
    5% Search Engine Optimization
    5% Social Media Marketing
    5% Video Production

    Focus Areas

    10% JavaScript
    25% Visual Basic
    20% XML +5
    10% C++
    10% Java
    10% PHP
    10% SQL
    5% ASP.NET

    Located in Calgary, Canada and Vancouver, Canada, Achieve Online is a web design agency. Their services include Web Design and Pay Per Click.

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  • WalkerTek Digital Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Montville, NJ

    Services provided

    10% Web Development
    20% Web Design
    10% BI & Big Data Consulting & SI +7
    10% Custom Software Development
    10% Digital Strategy
    10% Marketing Strategy
    10% Pay Per Click
    10% Search Engine Optimization
    5% Corporate Photography
    5% E-Commerce Development

    Focus Areas

    10% JavaScript
    30% Other programming & scripting languages
    20% PHP +3
    20% SQL
    10% Python
    10% Ruby

    WalkerTek Digital, a web design company, was established in 2003. Located in Montville, New Jersey, the team specializes in Web Design and Custom Software Development.

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  • Xcrino Business Solutions Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AR/VR Development
    10% Content Marketing +7
    10% Custom Software Development
    10% E-Commerce Development
    10% Email Marketing
    10% Mobile & App Marketing
    10% Mobile App Development
    10% Other Application Development
    10% Social Media Marketing

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% Apex +24
    10% ColdFusion
    10% Java
    10% Other programming & scripting languages
    10% PHP
    9% ASP
    3% Kotlin
    1% AJAX
    1% C
    1% C#
    1% C++
    1% Delphi
    1% Ember.js
    1% Go
    1% Objective C
    1% Perl
    1% Python
    1% Redux
    1% Ruby
    1% SQL
    1% Swift
    1% Typescript
    1% UnrealScript
    1% Visual Basic
    1% XML

    Social media marketing firm Xcrino Business Solutions is headquartered in Delhi, India. They focus on Social Media Marketing and Content Marketing.

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  • Build Upon Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Grand Rapids, MI

    Services provided

    10% Web Development
    40% Web Design
    20% Social Media Marketing +3
    10% E-Commerce Development
    10% Other Digital Marketing
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    70% PHP
    10% AJAX +1
    10% SQL

    Web design agency Build Upon is in Grand Rapids, Michigan. They provide Web Design and Social Media Marketing and were launched in 2020.

    Read more
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  • IMCO Software Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Jacksonville, FL

    Services provided

    10% Web Development
    25% Logistics & Supply Chain Consulting
    15% Custom Software Development +9
    10% Application Management & Support
    10% ERP Consulting and SI
    10% Low/No Code Development
    5% Cloud Consulting & SI
    5% Cybersecurity
    3% IT Strategy Consulting
    3% Other Application Development
    2% E-Commerce Development
    2% Enterprise App Modernization

    Focus Areas

    10% JavaScript
    35% C#
    25% SQL +3
    20% ASP.NET
    5% PHP
    5% XML

    IMCO Software is a small Jacksonville, Florida-based custom software development company. The team provides Custom Software Development and Logistics & Supply Chain Consulting.

    Read more
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  • White Grayphite Pty Ltd Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    2 - 9
    Durban, South Africa

    Services provided

    10% Web Development
    35% Mobile App Development
    10% Custom Software Development +6
    10% Digital Strategy
    10% Low/No Code Development
    10% Marketing Strategy
    5% AI Development
    5% IoT Development
    5% Mobile & App Marketing

    Focus Areas

    10% JavaScript
    30% PHP
    25% SQL +3
    20% Python
    10% AJAX
    5% C#

    White Grayphite Pty Ltd is an app development company. Launched in 2018, the team specializes in Mobile App Development and Custom Software Development. The agency is in Durban, South Africa.

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  • Codewitty Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9
    Mumbai, India

    Services provided

    10% Web Development
    10% Content Marketing
    10% E-Commerce Development +7
    10% Graphic Design
    10% Low/No Code Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    35% PHP
    20% AJAX +3
    15% SQL
    10% HTML5
    10% Java

    Codewitty is a Mumbai, India-based web development company. The team focuses on Web Development and Social Media Marketing.

    Read more
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  • Proyecto IN Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Culiacán Rosales, Mexico

    Services provided

    10% Web Development
    15% Search Engine Optimization
    10% Advertising +7
    10% Branding
    10% Digital Strategy
    10% Direct Marketing
    10% Graphic Design
    10% Marketing Strategy
    10% Web Design
    5% Content Marketing

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP.NET +7
    10% C#
    10% C++
    10% Java
    10% PHP
    10% SQL
    10% Visual Basic
    10% XML

    Proyecto IN is a small Culiacán Rosales, Mexico-based SEO company. The team provides Search Engine Optimization and Advertising.

    Read more
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  • Web City Lab Logotype

    Web City Lab

    Not yet reviewed

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

    Services provided

    25% Web Development
    10% Custom Software Development
    10% E-Commerce Development +10
    10% Web Design
    5% AI Agents
    5% API Development
    5% Application Management & Support
    5% Application Testing
    5% Content Writing Services
    5% Graphic Design
    5% Logo
    5% Mobile App Development
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    30% PHP
    15% HTML5 +3
    15% XML
    10% SQL
    10% jquery

    Web City Lab, a website development firm, was established in 2011. Based in Barisal, Bangladesh, the team focuses on Web Development and Custom Software Development.

    Read more
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  • nadeem.tech Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    Freelancer
    عمّان, Jordan

    Services provided

    15% Web Development
    70% Search Engine Optimization
    15% Content Marketing

    Focus Areas

    20% JavaScript
    50% Python
    30% PHP

    Located in عمّان, Jordan, nadeem.tech is a SEO agency. They focus on Search Engine Optimization and Content Marketing.

    Read more
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  • Sk Developers Logotype

    Sk Developers

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Graphic Design
    25% Search Engine Optimization +2
    15% Web Design
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    50% Rust
    40% Other programming & scripting languages

    Launched in 2020, Sk Developers is a small SEO company located in Lahore, Pakistan. Their team specializes in Search Engine Optimization and Web Design.

    Read more
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  • Vettel Tech Logotype

    Vettel Tech

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Blockchain
    15% AR/VR Development +6
    15% Low/No Code Development
    10% Custom Software Development
    5% AI Development
    5% API Development
    5% E-Commerce Development
    5% Mobile App Development

    Focus Areas

    14% JavaScript
    16% SQL
    14% Python +4
    14% Redux
    14% Swift
    14% Typescript
    14% jquery

    Vettel Tech is a website development company. In Chicago, Illinois and Mumbai, India, their small team offers Web Development and Blockchain. The firm was founded in 2018.

    Read more
    View Profile
  • OTUSONE LLP Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9
    Noida, India

    Services provided

    10% Web Development
    20% Graphic Design
    20% Staffing +3
    20% UX/UI Design
    20% Video Production
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Java +2
    20% Typescript
    20% jquery

    Launched in 2021, OTUSONE LLP is a small user experience agency. Their team specializes in UX/UI Design and Graphic Design.

    Read more
    View Profile
  • jfd,kfd, Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9
    Lahore, Pakistan

    Services provided

    20% Web Development
    20% AI Development
    20% Custom Software Development +2
    20% Mobile App Development
    20% Web Design

    Focus Areas

    10% JavaScript
    30% Other programming & scripting languages
    20% HTML5 +4
    15% Typescript
    10% SQL
    10% jquery
    5% Java

    Jfd,kfd, is a web design company. Headquartered in Lahore, Pakistan, the firm was established in 2024. Their team provides Web Design and Custom Software Development.

    Read more
    View Profile
  • SK-iTPRO Logotype

    SK-iTPRO

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Branding
    20% E-Commerce Development +2
    20% Graphic Design
    20% Search Engine Optimization

    Focus Areas

    25% JavaScript
    25% HTML5
    25% PHP +1
    25% Python

    SK-iTPRO is a Rajkot, India-based branding agency. Their services include Branding and Search Engine Optimization.

    Read more
    View Profile
  • Weavelinx Logotype

    Weavelinx

    Not yet reviewed

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

    Services provided

    25% Web Development
    35% Custom Software Development
    25% Mobile App Development +1
    15% AI Development

    Focus Areas

    20% JavaScript
    15% ASP.NET
    15% C# +4
    15% SQL
    15% Typescript
    10% Other programming & scripting languages
    10% PHP

    Small custom software development company Weavelinx, is in Pune, India. The team offers Custom Software Development and Web Development.

    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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