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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 18, 2026
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22,371 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • vbyte tech services Logotype

    Not yet reviewed

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

    Services provided

    12% Web Development
    20% Web Design
    10% Application Management & Support +9
    10% Cloud Consulting & SI
    10% Email Marketing
    10% Low/No Code Development
    8% E-Commerce Development
    5% Affiliate Marketing
    5% Social Media Marketing
    5% UX/UI Design
    3% CRM Consulting and SI
    2% Logo

    Focus Areas

    10% JavaScript
    30% PHP
    20% HTML5 +6
    20% SQL
    5% Other programming & scripting languages
    5% XML
    5% jquery
    3% AJAX
    2% backbone.js

    Vbyte tech services is a web design agency. They focus on Web Design and Web Development and were launched in 2021.

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  • Datart Infotech Logotype

    Not yet reviewed

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

    Services provided

    12% Web Development
    19% Custom Software Development
    15% E-Commerce Development +5
    12% IoT Development
    12% Mobile App Development
    10% IT Strategy Consulting
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    25% Ember.js
    10% Other programming & scripting languages +6
    10% PHP
    10% Python
    10% Ruby
    10% SQL
    10% Swift
    5% Java

    Established in 2023, Datart Infotech is a software development company. The team focuses on Custom Software Development and E-Commerce Development.

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  • SocioPedia Digital Marketing Agency Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    10 - 49
    Dehradun, India

    Services provided

    10% Web Development
    10% Advertising
    10% Search Engine Optimization +13
    10% Web Design
    5% Branding
    5% Content Marketing
    5% Conversion Optimization
    5% Demand Generation Marketing
    5% Digital Strategy
    5% Graphic Design
    5% Logo
    5% Mobile App Development
    5% Pay Per Click
    5% Social Media Marketing
    5% Video Marketing
    5% Wearable App Development

    Focus Areas

    11% JavaScript
    11% Perl
    11% Python +11
    11% SQL
    11% Visual Basic
    5% AJAX
    5% ASP.NET
    5% Apex
    5% C#
    5% Ember.js
    5% Java
    5% Objective C
    5% Redux
    5% Ruby

    SocioPedia Digital Marketing Agency is an Advertising company. Based in Dehradun, India, their team offers Advertising and Search Engine Optimization.

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  • Freelance Developer India Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    Freelancer
    North Dumdum, India

    Services provided

    10% Web Development
    10% AI Development
    10% E-Commerce Development +7
    10% Email Marketing
    10% Graphic Design
    10% Logo
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    15% JavaScript
    35% PHP
    20% SQL +2
    20% jquery
    10% AJAX

    Freelance Developer India is a small social media marketing company established in 2024. Their team focuses on Social Media Marketing and Email Marketing.

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  • Cryptical Coders Logotype

    Cryptical Coders

    Not yet reviewed

    $1,000+
    < $25 / hr
    Freelancer

    Services provided

    10% Web Development
    20% Application Testing
    20% E-Commerce Development +3
    20% Mobile App Development
    20% Search Engine Optimization
    10% Low/No Code Development

    Focus Areas

    15% JavaScript
    65% PHP
    10% AJAX +1
    10% HTML5

    Cryptical Coders is a web development firm established in 2018. The team specializes in Web Development and Search Engine Optimization and is headquartered in London, England.

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    $400 Design & development of a 5-10 page WordPress site $600 Custom-built website or web app with up to 20 page $900 Custom-built website with unlimited pages

    Cryptical Solutions Growth Package

    Custom Laravel and CodeIgniter web development. React-based dynamic websites for faster performance. WordPress website design and development for easy content management. Website SEO optimization for organic lead generation.
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  • Andro Buddy Technologies Pvt. Ltd. Logotype

    Andro Buddy Technologies Pvt. Ltd.

    5.0 1 review
    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    15% Web Development
    15% Mobile App Development
    10% Corporate Law +14
    10% E-Commerce Development
    5% AI Development
    5% Application Management & Support
    5% Blockchain
    5% Custom Software Development
    5% Generative AI
    5% IT Managed Services
    5% Internet & Technology Law
    5% Search Engine Optimization
    5% Tax Law
    2% IT Strategy Consulting
    1% Blockchain Marketing
    1% Email Marketing
    1% Social Media Marketing

    Focus Areas

    10% JavaScript
    15% SQL
    10% HTML5 +8
    10% Java
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% XML
    5% ASP.NET
    5% C#
    5% jquery

    Andro Buddy Technologies Pvt. Ltd. specializes in Website Development and Web Design, delivering high-quality and cost-effective solutions. Feedback highlights their reliable project management and alignment with client values. Clients appreciate their timely delivery and effective communication through virtual and in-person meetings.

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  • MultiTech IT Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Benowa, Australia

    Services provided

    10% Web Development
    20% IT Managed Services
    15% IT Strategy Consulting +4
    15% Pay Per Click
    15% Search Engine Optimization
    15% Social Media Marketing
    10% Web Design

    Focus Areas

    15% JavaScript
    20% Python
    20% Ruby +3
    15% ASP.NET
    15% ColdFusion
    15% PHP

    MultiTech IT is a small IT managed services company founded in 2017. Their services include IT managed services and IT strategy consulting.

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  • Nerdy Dragon Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Boise, ID

    Services provided

    10% Web Development
    10% Custom Software Development
    10% Digital Strategy +9
    10% E-Commerce Development
    10% Email Marketing
    10% Graphic Design
    10% Mobile App Development
    10% Web Design
    5% Mobile & App Marketing
    5% Search Engine Optimization
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    15% PHP
    10% C +6
    10% C#
    10% C++
    10% Java
    10% Objective C
    10% Perl
    10% Python

    Digital Strategy company Nerdy Dragon specializes in Digital Strategy and Email Marketing. They were founded in 2009.

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  • Root360 Technologies Logotype

    Root360 Technologies

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Mobile App Development
    10% AI Development +7
    10% Custom Software Development
    10% Cybersecurity
    10% Digital Strategy
    10% IT Strategy Consulting
    10% Low/No Code Development
    10% Web Design
    5% AI Consulting

    Focus Areas

    15% JavaScript
    15% Python
    10% Other programming & scripting languages +10
    10% PHP
    10% Typescript
    9% HTML5
    5% AJAX
    5% ASP.NET
    5% Java
    5% Kotlin
    5% SQL
    5% jquery
    1% XML

    Established in 2020, Root360 Technologies is a custom software development company. The firm provides Custom Software Development and Web Development.

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  • Web Designer Kuwait Logotype

    Web Designer Kuwait

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

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

    Focus Areas

    15% JavaScript
    15% C++
    15% HTML5 +4
    15% PHP
    15% Python
    15% SQL
    10% Ruby

    Based in Kuwait City, Kuwait, Web Designer Kuwait is a SEO services firm. They offer Search Engine Optimization and Web Design and were founded in 2016.

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  • Atomware Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Cybersecurity
    15% Mobile App Development +5
    15% Search Engine Optimization
    10% Custom Software Development
    10% E-Commerce Development
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    10% JavaScript
    25% jquery
    20% HTML5 +6
    10% PHP
    10% Python
    10% Visual Basic
    5% Perl
    5% SQL
    5% XML

    Atomware is a Gqeberha, South Africa-based SEO agency. Launched in 2004, the team offers Search Engine Optimization and Web Design.

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  • Digital Droid Logotype

    Digital Droid

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    10% Web Development
    10% Content Marketing
    10% Email Marketing +7
    10% Graphic Design
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    15% HTML5
    15% Java +5
    15% Python
    10% ASP
    10% ASP.NET
    10% PHP
    10% SQL

    Digital Droid, a social media marketing firm, focus on Social Media Marketing and Content Marketing. They were established in 2021.

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  • Global Search Council Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Fremont, CA

    Services provided

    10% Web Development
    10% Branding
    10% Content Marketing +7
    10% E-Commerce Development
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Video Production

    Focus Areas

    15% JavaScript
    15% AJAX
    15% PHP +5
    15% Python
    10% HTML5
    10% SQL
    10% backbone.js
    10% jquery

    Global Search Council is a small branding firm founded in 2017. Their services include Branding and Social Media Marketing.

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  • MAYA WEB DESIGN Logotype

    MAYA WEB DESIGN

    Not yet reviewed

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

    Services provided

    10% Web Development
    65% Web Design
    10% UX/UI Design +3
    5% Branding
    5% Graphic Design
    5% Search Engine Optimization

    Focus Areas

    15% JavaScript
    25% HTML5
    15% PHP +6
    15% SQL
    10% Python
    5% Java
    5% Other programming & scripting languages
    5% Perl
    5% jquery

    MAYA WEB DESIGN is a web design agency in Taichung, Taiwan. Established in 1998, the team provides Web Design and UX/UI Design.

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  • Lancelotmobile Logotype

    Lancelotmobile

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    2 - 9

    Services provided

    15% Web Development
    25% Custom Software Development
    25% Mobile App Development +5
    10% Enterprise App Modernization
    10% Low/No Code Development
    5% Application Testing
    5% Microservices Architecture Services
    5% Wearable App Development

    Focus Areas

    10% JavaScript
    30% Swift
    25% Kotlin +2
    25% Typescript
    10% Redux

    Software development company Lancelotmobile is headquartered in Sofia, Bulgaria. They provide Custom Software Development and Mobile App Development and were launched in 2011.

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  • Make It Your Web Logotype

    Make It Your Web

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    10% Web Development
    15% Custom Software Development
    15% Web Design +6
    10% E-Commerce Development
    10% IT Strategy Consulting
    10% Logo
    10% Mobile App Development
    10% Product Design
    10% UX/UI Design

    Focus Areas

    15% JavaScript
    15% C#
    15% C++ +5
    15% PHP
    10% AJAX
    10% HTML5
    10% SQL
    10% jquery

    Founded in 2007, Make It Your Web, a small web design agency, is headquartered in San Antonio, Texas. Their team focuses on Web Design and Custom Software Development.

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  • Minoa d.o.o. Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    2 - 9
    Ljubljana, Slovenia

    Services provided

    10% Web Development
    15% Mobile App Development
    15% Other Application Development +8
    10% API Development
    10% Computer Engineering
    10% Custom Software Development
    10% Digital Engineering
    5% ERP Consulting and SI
    5% IT Strategy Consulting
    5% Other IT Consulting and SI
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    15% Visual Basic
    10% C# +8
    10% Java
    10% Objective C
    10% Python
    10% SQL
    5% HTML5
    5% Redux
    5% Typescript
    5% XML

    Minoa d.o.o. Is a mobile application development firm. Founded in 1994, the company is located in Ljubljana, Slovenia. Their team focuses on Mobile App Development and Other Application Development.

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  • OneTap Studio Logotype

    OneTap Studio

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    15% Web Development
    15% AR/VR Development
    15% Architectural Design +5
    15% Pay Per Click
    15% Search Engine Optimization
    10% Content Marketing
    10% Mobile App Development
    5% Web Design

    Focus Areas

    10% JavaScript
    20% HTML5
    20% Kotlin +3
    20% Swift
    20% jquery
    10% Python

    OneTap Studio is a SEO services firm. They are headquartered in Noida, India. Their team focuses on Search Engine Optimization and Pay Per Click.

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  • Meldin Co. Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Custom Software Development
    10% Mobile App Development +12
    10% UX/UI Design
    10% Web Design
    5% Branding
    5% Content Marketing
    5% Digital Strategy
    5% E-Commerce Development
    5% Email Marketing
    5% Graphic Design
    5% Pay Per Click
    5% Product Design
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    15% JavaScript
    20% SQL
    10% HTML5 +8
    10% Java
    10% Ruby
    10% Rust
    5% AJAX
    5% Other programming & scripting languages
    5% PHP
    5% Visual Basic
    5% jquery

    Meldin Co. Is a small web design agency launched in 2023. Their services include Web Design and UX/UI Design.

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  • Devskee Logotype

    Devskee

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AI Development
    10% BI & Big Data Consulting & SI +7
    10% Branding
    10% Custom Software Development
    10% E-Commerce Development
    10% Generative AI
    10% Mobile App Development
    10% Robotics Process Automation
    10% UX/UI Design

    Focus Areas

    15% JavaScript
    20% Java
    20% Python +3
    15% Go
    15% SQL
    15% Scala

    Devskee is a branding firm. Their team is based in Vilnius, Lithuania and specializes in Branding and UX/UI Design.

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  • isevenr Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% E-Commerce Development
    20% API Development +3
    20% Other Application Development
    10% DevOps Managed Services
    10% Low/No Code Development

    Focus Areas

    15% JavaScript
    50% PHP
    15% SQL +2
    10% HTML5
    10% jquery

    E-commerce development firm isevenr was launched in 2013. The team specializes in E-Commerce Development and Web Development.

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  • Bitwise Digital Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Houston, TX

    Services provided

    10% Web Development
    10% API Development
    10% CRM Consulting and SI +7
    10% Custom Software Development
    10% DevOps Managed Services
    10% E-Commerce Development
    10% Graphic Design
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    15% C#
    15% Go +4
    15% Java
    15% PHP
    15% Swift
    10% C

    Bitwise Digital is a web design company. Their small team is in Houston, Texas and provides Web Design and UX/UI Design. The company was founded in 2006.

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  • Flack Agency Logotype

    Flack Agency

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Branding
    10% Content Writing Services +7
    10% Custom Software Development
    10% Graphic Design
    10% Logo
    10% Mobile App Development
    10% Product Design
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    30% HTML5
    30% PHP +3
    10% AJAX
    10% jquery
    5% Other programming & scripting languages

    Flack Agency is a branding company. The small Sochi, Russia-based team provides Branding and Web Design. The company was established in 2017.

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  • Nice Global Solutions Inc Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    McKinney, TX

    Services provided

    10% Web Development
    10% Application Testing
    10% BI & Big Data Consulting & SI +7
    10% CRM Consulting and SI
    10% Cloud Consulting & SI
    10% Cybersecurity
    10% E-Commerce Development
    10% ERP Consulting and SI
    10% Mobile App Development
    10% Web Design

    Focus Areas

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

    Nice Global Solutions Inc is a web design agency. They are located in McKinney, Texas and have small team. They offer Web Design and BI & big data consulting & SI.

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  • Nifty Web Studio Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Agege, Nigeria

    Services provided

    10% Web Development
    14% Low/No Code Development
    10% Branding +12
    10% Logo
    10% Web Design
    5% Content Marketing
    5% E-Commerce Development
    5% Email Marketing
    5% Graphic Design
    5% Mobile App Development
    5% Packaging Design
    5% Search Engine Optimization
    5% Social Media Marketing
    5% UX/UI Design
    1% Custom Software Development

    Focus Areas

    15% JavaScript
    20% HTML5
    20% PHP +6
    15% SQL
    10% Python
    5% AJAX
    5% Kotlin
    5% Redux
    5% jquery

    Nifty Web Studio, a web design company, specialize in Web Design and Web Development. They were launched in 2019.

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  • Phrloo Logotype

    Phrloo

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Branding
    10% Content Marketing +7
    10% E-Commerce Development
    10% Email Marketing
    10% Graphic Design
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    15% JavaScript
    25% PHP
    20% Java +3
    20% Python
    15% HTML5
    5% C++

    Branding company Phrloo is located in Lahore, Pakistan. Their services include Branding and Social Media Marketing.

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  • NavSphere Infotech LLP Logotype

    NavSphere Infotech LLP

    Not yet reviewed

    $10,000+
    < $25 / hr
    2 - 9

    Services provided

    15% Web Development
    25% IT Staff Augmentation
    20% Mobile App Development +6
    10% Custom Software Development
    10% E-Commerce Development
    5% Application Management & Support
    5% Application Testing
    5% Cloud Consulting & SI
    5% Microservices Architecture Services

    Focus Areas

    10% JavaScript
    35% Java
    20% Python +3
    15% Kotlin
    10% HTML5
    10% PHP

    NavSphere Infotech LLP, an IT staff augmentation company, is located in Delhi, India and Tempe, Arizona. They focus on IT staff augmentation and Mobile App Development and were established in 2024.

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  • DPC LLC Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    2 - 9
    McDonough, GA

    Services provided

    15% Web Development
    35% Web Design
    15% Advertising +6
    10% Mobile App Development
    5% Branding
    5% Graphic Design
    5% Logo
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    20% HTML5
    20% Other programming & scripting languages +4
    20% PHP
    15% Visual Basic
    10% Java
    5% SQL

    Web design company DPC LLC was established in 2006. The team provides Web Design and Advertising and is in McDonough, Georgia.

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  • Megatrendz Media USA Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Edison, NJ

    Services provided

    10% Web Development
    10% AI Development
    10% API Development +7
    10% Application Testing
    10% BI & Big Data Consulting & SI
    10% CRM Consulting and SI
    10% Custom Software Development
    10% IT Managed Services
    10% IT Staff Augmentation
    10% Mobile App Development

    Focus Areas

    15% JavaScript
    15% ASP
    15% C# +4
    15% HTML5
    15% Java
    15% SQL
    10% ASP.NET

    Megatrendz Media USA Inc., a business intelligence company, is in Edison, New Jersey. Their services include BI & big data consulting & SI and CRM consulting and SI.

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  • Polywick Graphics, PH, Corp. Logotype

    Polywick Graphics, PH, Corp.

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    15% Web Development
    20% Custom Software Development
    15% API Development +4
    15% DevOps Managed Services
    15% Other Application Development
    10% Enterprise App Modernization
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    30% Java
    15% Delphi +5
    15% Other programming & scripting languages
    10% C#
    10% C++
    5% HTML5
    5% XML

    Polywick Graphics, PH, Corp. Is a small custom software development company. Founded in 2018, the team focuses on Custom Software Development and Web Development.

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  • Wies Consulting Group Logotype

    Wies Consulting Group

    Not yet reviewed

    $5,000+
    Undisclosed
    2 - 9

    Services provided

    10% Web Development
    10% AI Consulting
    10% Content Marketing +7
    10% Conversion Optimization
    10% Demand Generation Marketing
    10% Digital Strategy
    10% Ecommerce Marketing
    10% Mobile & App Marketing
    10% Pay Per Click
    10% Search Engine Optimization

    Focus Areas

    15% JavaScript
    20% Typescript
    15% Other programming & scripting languages +5
    15% PHP
    10% Go
    10% HTML5
    10% Redux
    5% SQL

    Wies Consulting Group is a Digital Strategy company. Founded in 2023, the team provides Digital Strategy and Content Marketing.

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  • Atreon Logotype

    Atreon

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    10% Web Development
    10% API Development
    10% Application Testing +7
    10% BI & Big Data Consulting & SI
    10% CRM Consulting and SI
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% DevOps Managed Services
    10% E-Commerce Development
    10% ERP Consulting and SI

    Focus Areas

    15% JavaScript
    20% C#
    20% HTML5 +3
    15% Java
    15% PHP
    15% SQL

    Established in 2022, Atreon is a small London, England-based big data analytics company. Their services include BI & big data consulting & SI and cloud consulting & SI.

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  • Andropple Lab Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Graphic Design
    10% Custom Software Development +7
    10% E-Commerce Development
    10% IT Staff Augmentation
    10% Logo
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design
    5% AI Development

    Focus Areas

    15% JavaScript
    15% HTML5
    15% PHP +4
    15% SQL
    15% Typescript
    15% jquery
    10% AJAX

    Launched in 2015, Andropple Lab is a graphic design company. The team focuses on Graphic Design and Web Design and is headquartered in Faisalabad, Pakistan.

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  • Ozmo Media Corp. Logotype

    Ozmo Media Corp.

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Branding
    10% Conversion Optimization +7
    10% Digital Strategy
    10% Ecommerce Marketing
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    20% AJAX
    20% Visual Basic +3
    15% PHP
    15% Python
    15% Swift

    Ozmo Media Corp. Is a branding agency located in Chilliwack, Canada and Surrey, Canada. Their services include Branding and Digital Strategy.

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  • Kiran ITES Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Coimbatore, India

    Services provided

    15% Web Development
    25% Web Design
    20% UX/UI Design +4
    10% Content Marketing
    10% E-Commerce Development
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    10% JavaScript
    25% Other programming & scripting languages
    25% PHP +3
    20% SQL
    10% AJAX
    10% jquery

    Kiran ITES, a web design company, was founded in 1997. They specializes in Web Design and UX/UI Design.

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  • TKM Consultants Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    London, England

    Services provided

    10% Web Development
    25% Business Consulting
    25% Content Marketing +4
    10% Digital Asset Management
    10% Digital Strategy
    10% Marketing Strategy
    10% Sales Outsourcing

    Focus Areas

    15% JavaScript
    15% ASP.NET
    15% Java +4
    15% PHP
    15% Python
    15% SQL
    10% ASP

    TKM Consultants, a Business Consulting company, was established in 2010. The team focuses on Business Consulting and Content Marketing.

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  • Zunch Labs Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Dallas, TX

    Services provided

    15% Web Development
    20% Custom Software Development
    20% Mobile App Development +3
    15% Application Management & Support
    15% Application Testing
    15% IoT Development

    Focus Areas

    10% JavaScript
    10% C#
    10% C++ +7
    10% HTML5
    10% Java
    10% Objective C
    10% PHP
    10% Perl
    10% Python
    10% Ruby

    Zunch Labs is a custom software development company launched in 2000. Their team provides Custom Software Development and Mobile App Development.

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  • AlphaIT Ltd Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    2 - 9
    Edmonton, Canada

    Services provided

    15% Web Development
    35% Search Engine Optimization
    20% Advertising +4
    10% IT Managed Services
    10% Social Media Marketing
    5% Branding
    5% Graphic Design

    Focus Areas

    10% JavaScript
    35% Other programming & scripting languages
    25% PHP +3
    10% HTML5
    10% Python
    10% jquery

    SEO services firm AlphaIT Ltd was founded in 2019. The team specializes in Search Engine Optimization and Advertising and is located in Edmonton, Canada.

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  • Web4Grow Logotype

    Web4Grow

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    10% Web Development
    7% Logo
    6% E-Commerce Development +18
    6% Graphic Design
    6% Search Engine Optimization
    5% Branding
    5% Conversion Optimization
    5% Custom Software Development
    5% Digital Strategy
    5% Ecommerce Marketing
    5% Pay Per Click
    5% Print Design
    5% Social Media Marketing
    5% UX/UI Design
    5% Web Design
    3% CRM Consulting and SI
    3% ERP Consulting and SI
    3% IT Managed Services
    3% IT Strategy Consulting
    2% Packaging Design
    1% Other Design

    Focus Areas

    15% JavaScript
    40% HTML5
    15% PHP +4
    10% Java
    10% jquery
    5% Other programming & scripting languages
    5% XML

    Website development firm Web4Grow was founded in 2019. The team offers Web Development and Logo.

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  • Alphanoe Technologies Logotype

    Alphanoe Technologies

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Advertising
    10% Branding +7
    10% Content Marketing
    10% E-Commerce Development
    10% Email Marketing
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    15% Other programming & scripting languages
    15% Python +6
    10% HTML5
    10% PHP
    10% Redux
    10% SQL
    10% Typescript
    5% Swift

    Alphanoe Technologies is a web design company based in Gwalior, India. The team provides Web Design and Advertising.

    Read more
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  • MMPG Softwares Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Mobile App Development
    15% Cloud Consulting & SI +5
    15% IT Strategy Consulting
    10% API Development
    10% Custom Software Development
    10% IT Managed Services
    10% Low/No Code Development

    Focus Areas

    15% JavaScript
    20% Kotlin
    20% Redux +4
    15% Python
    10% PHP
    10% SQL
    10% Typescript

    MMPG Softwares is a website development company. In Casablanca, Morocco, the company was founded in 2019. Their team specializes in Web Development and Mobile App Development.

    Read more
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  • CodeRender Technology Logotype

    CodeRender Technology

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Application Testing
    10% E-Commerce Development +7
    10% Email Marketing
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    30% PHP
    15% Python +5
    15% SQL
    10% AJAX
    5% HTML5
    5% Typescript
    5% jquery

    CodeRender Technology is a social media marketing firm. They were established in 2024, and their services include Social Media Marketing and Email Marketing.

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  • Sumitek Networks LLP Logotype

    Sumitek Networks LLP

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    2 - 9

    Services provided

    10% Web Development
    10% Branding
    10% Cloud Consulting & SI +7
    10% E-Commerce Development
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    50% PHP
    10% AJAX +3
    10% HTML5
    10% jquery
    5% Other programming & scripting languages

    Sumitek Networks LLP is a branding agency founded in 2023. Their team provides Branding and Social Media Marketing.

    Read more
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  • ByteNuts Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Funchal, Portugal

    Services provided

    10% Web Development
    20% Custom Software Development
    10% API Development +6
    10% Cybersecurity
    10% Generative AI
    10% Low/No Code Development
    10% Mobile App Development
    10% Product Design
    10% UX/UI Design

    Focus Areas

    15% JavaScript
    50% C#
    15% SQL +4
    5% ASP.NET
    5% HTML5
    5% Java
    5% XML

    ByteNuts, a custom software development company, is headquartered in Funchal, Portugal. Founded in 2016, the team provides Custom Software Development and UX/UI Design.

    Read more
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  • WPweber Logotype

    WPweber

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Branding
    10% Logo +7
    10% Mobile App Development
    10% Packaging Design
    10% Print Design
    10% Product Design
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    15% HTML5
    15% PHP +5
    15% SQL
    15% jquery
    10% Kotlin
    10% Python
    5% AJAX

    WPweber is a branding agency. Headquartered in Chak 173/7 R, Pakistan, the company focuses on Branding and Search Engine Optimization.

    Read more
    View Profile
  • Streamfact Solutions - Website Design and Web Development Company Nagpur Logotype

    Streamfact Solutions - Website Design and Web Development Company Nagpur

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Social Media Marketing
    10% Custom Software Development +6
    10% E-Commerce Development
    10% Ecommerce Marketing
    10% Mobile App Development
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    15% Other programming & scripting languages
    15% jquery +10
    10% HTML5
    10% PHP
    5% AJAX
    5% ASP
    5% ASP.NET
    5% C
    5% Kotlin
    5% Redux
    5% SQL
    5% XML

    Established in 2015, Streamfact Solutions - Website Design and Web Development Company Nagpur is a social media marketing company. Their team specializes in Social Media Marketing and Web

    Read more
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  • Viralweb Digital Marketing Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Dacula, GA

    Services provided

    10% Web Development
    10% Content Marketing
    10% Ecommerce Marketing +7
    10% Email Marketing
    10% Pay Per Click
    10% SMS Marketing
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Video Marketing
    10% Web Design

    Focus Areas

    15% JavaScript
    15% AJAX
    15% Java +4
    15% PHP
    15% SQL
    15% jquery
    10% HTML5

    Established in 2012, Viralweb Digital Marketing is a social media marketing firm. The team provides Social Media Marketing and Content Marketing.

    Read more
    View Profile
  • Zenionix Technology Pvt. Ltd. Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% AI Development
    15% IoT Development +5
    15% UX/UI Design
    10% Cloud Consulting & SI
    10% DevOps Managed Services
    10% ERP Consulting and SI
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Java +7
    10% Kotlin
    10% PHP
    10% Python
    10% Ruby
    10% SQL
    10% Swift
    10% jquery

    Launched in 2024, Zenionix Technology Pvt. Ltd. Is an user experience agency. Located in Ahmedabad, India, the team offers UX/UI Design and Web Development.

    Read more
    View Profile
  • SILICWALL Logotype

    SILICWALL

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% IT Strategy Consulting
    20% Mobile App Development +3
    15% Cloud Consulting & SI
    15% E-Commerce Development
    10% Low/No Code Development

    Focus Areas

    15% JavaScript
    20% Kotlin
    20% Other programming & scripting languages +4
    15% HTML5
    10% Redux
    10% Ruby
    10% Typescript

    SILICWALL is an other IT consulting and SI company. The team focuses on other IT consulting and SI and E-Commerce Development, and the company is headquartered in Saniya Hemad, India.

    Read more
    View Profile
  • Luminatech Logotype

    Luminatech

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Custom Software Development
    15% E-Commerce Development +4
    15% Mobile App Development
    10% AI Consulting
    10% Cloud Consulting & SI
    10% IT Managed Services

    Focus Areas

    10% JavaScript
    30% Python
    20% SQL +3
    15% C++
    15% jquery
    10% HTML5

    Founded in 2024, Luminatech is a custom software development company. The team provides Custom Software Development and Web Development and is located in Jaipur, India.

    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
    View Profile Visit Website
  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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