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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: March 31, 2026
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15 Leaders 15 Contenders

21,831 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Featured

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    Digis, a Fiverr company (NYSE: FVRR) Logotype

    Digis, a Fiverr company (NYSE: FVRR)

    4.9 89 reviews
    Premier Verified
    $5,000+
    $25 - $49 / hr
    50 - 249
    London, England

    Services provided

    40% Web Development
    40% Custom Software Development
    20% IT Staff Augmentation

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +7
    10% Java
    10% PHP
    10% Python
    10% Rust
    10% SQL
    10% Scala
    10% Swift

    Digis, a Fiverr company (NYSE: FVRR), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.

    See all 89 projects

    Reviews mention Collaborative

    The overall sentiment regarding collaboration with Digis is highly positive. Clients praised the team's integration into existing workflows, noting effective communication and responsiveness. One client highlighted the seamless adoption of Agile methodologies, stating that Digis engineers participated actively in daily stand-ups and sprint planning. Another client appreciated the proactive suggestions for process improvements. Overall, feedback reflects a strong collaborative spirit, with no reported areas for improvement.
    • Mobile App Dev & UI/UX Design for FinTech Startup
      5.0 Jul 24, 2020

      It’s comfortable working together, and we’re quite satisfied. Their team has good communication skills and sticks to the timeline. They’re responsive and listen to our feedback. It’s a very positive experience compared to what I’ve experienced with other technical teams regarding communication, collaboration, and timelines.

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    • Development Staff Augmentation for Online Cooking Platform
      5.0 Dec 18, 2025

      The project management was highly effective and collaborative. Rather than requiring external oversight, their engineers fully adopted our internal Agile/Scrum methodologies. They synced daily with our project management team, ensuring that expectations were aligned and blockers were addressed in real-time.

      Read Full Review
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    Industry Experience

    Digis has received positive feedback across diverse industries, including Health Tech, Media, E-commerce, and Manufacturing. Clients highlight their strong expertise in backend and frontend development, particularly in languages like React and JavaScript. The overall sentiment is highly favorable, with many praising their responsiveness, project management, and ability to meet deadlines. Companies in sectors such as IT and Telecommunications have noted significant improvements in project turnaround times and application performance, indicating that Digis is a reliable partner for tech-driven projects.

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    Select Industry to see insights

    Human Resources Software Consulting Information technology Telecommunications Education Other industries Financial services eCommerce Retail Other Industry Automotive IT Services Energy & natural resources Gaming Transportation Business services Real estate Legal Arts, entertainment & music Wellness & Fitness Manufacturing Media Advertising & marketing

    Average Project Cost Breakdown

    $10,000 to $49,000 (25) $50,000 to $199,999 (16) Less than $10,000 (8) $200,000 to $999,999 (6) $1,000,000 to $9,999,999 (4)

    What Clients Have Said

    Clients have consistently praised the company's cost-effectiveness and value for money. Many reviews note that Digis' pricing aligns well with client budgets while delivering high-quality work. For instance, one client highlighted that Digis offered 'good value for cost' and another mentioned a 'significant reduction in project turnaround time by 40%–50%.' Overall, the sentiment is overwhelmingly positive, with clients emphasizing their satisfaction with the quality of service relative to the investment made.
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    $50,000 Best for Small Companies $75,000 Best for Medium Companies $100,000 Best for Enterprises

    Custom Product Development

    Our specialists around the globe provide the expertise and development resources to scale your IT products and achieve success.
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  • Ayup Creative Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    2 - 9
    Sheffield, England

    Services provided

    20% Web Development
    20% Digital Strategy
    20% Graphic Design +2
    20% Search Engine Optimization
    20% Web Design

    Focus Areas

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

    Ayup Creative is a Digital Strategy company. Founded in 2023, the team focuses on Digital Strategy and Search Engine Optimization.

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  • Black Nova Logotype

    Black Nova

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Branding
    10% Business Consulting +7
    10% E-Commerce Development
    10% Logo
    10% Low/No Code Development
    10% Packaging Design
    10% Sales Outsourcing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    25% PHP
    25% Python +4
    15% HTML5
    5% Ruby
    5% SQL
    5% XML

    Black Nova is a website development company. They are in Navi Mumbai, India and have small team of experts. Their services include Web Development and Branding.

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  • Taatgen Development LLC Logotype

    Taatgen Development LLC

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    20% JavaScript
    20% Redux
    15% HTML5 +5
    15% Typescript
    10% PHP
    10% Python
    5% Ember.js
    5% Kotlin

    Taatgen Development LLC is a Conversion Optimization company. Their team is located in Irving, Texas and specializes in Conversion Optimization and Search Engine Optimization.

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  • Pulla Digital Logotype

    Pulla Digital

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +3
    20% Web Design
    10% AR/VR Development
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    30% PHP
    25% Typescript +3
    20% SQL
    10% jquery
    5% AJAX

    Web design agency Pulla Digital was founded in 2015. The team provides Web Design and Custom Software Development.

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  • move2edge Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% API Development
    20% Custom Software Development +2
    20% IoT Development
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    15% Python
    10% C# +9
    10% Go
    10% Java
    10% SQL
    10% Typescript
    5% C
    5% C++
    5% Kotlin
    5% Objective C
    5% Swift

    Move2edge is a software development company. In Gdańsk, Poland, the team offers Custom Software Development and Web Development.

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  • Kaweah Tech Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

    10% JavaScript
    55% Typescript
    20% Rust +3
    5% Java
    5% Kotlin
    5% Scala

    Headquartered in Tulare, California, Kaweah Tech is a web design company. They specialize in Web Design and UX/UI Design.

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  • Aegisbit Technologies Logotype

    Aegisbit Technologies

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    20% Web Development
    20% API Development
    20% Custom Software Development +2
    20% DevOps Managed Services
    20% E-Commerce Development

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% C# +6
    10% AJAX
    10% SQL
    10% Visual Basic
    10% jquery
    5% HTML5
    5% PHP

    Aegisbit Technologies is a custom software development company based in Mohali, India. The team focuses on Custom Software Development and Web Development.

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  • Blizztech Solutions Logotype

    Blizztech Solutions

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Custom Software Development
    15% Logo +4
    15% Social Media Marketing
    15% UX/UI Design
    15% Web Design
    10% Search Engine Optimization

    Focus Areas

    15% JavaScript
    15% ASP.NET
    15% C# +5
    15% Kotlin
    15% PHP
    10% Python
    10% jquery
    5% SQL

    Established in 2019, Blizztech Solutions is a social media marketing company. The team specializes in Social Media Marketing and Web Design.

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  • INFASO Logotype

    INFASO

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Digital Strategy
    20% Social Media Marketing +4
    15% Graphic Design
    15% Pay Per Click
    15% Search Engine Optimization
    5% Branding

    Focus Areas

    20% JavaScript
    40% PHP
    30% SQL +1
    10% AJAX

    INFASO is a small Digital Strategy company. Founded in 2019, the team provides Digital Strategy and Social Media Marketing.

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  • Canny Vision Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    2 - 9
    Toronto, Canada

    Services provided

    20% Web Development
    60% AI Development
    20% Custom Software Development

    Focus Areas

    10% JavaScript
    20% C++
    10% HTML5 +6
    10% Java
    10% Other programming & scripting languages
    10% Python
    10% SQL
    10% Typescript
    10% XML

    Founded in 2024, Canny Vision is an AI development company. The team offers Artificial Intelligence and Custom Software Development and is located in Toronto, Canada and Tunis, Tunisia.

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  • Punggawa Studio Logotype

    Punggawa Studio

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9

    Services provided

    10% Web Development
    10% AI Development
    10% Content Marketing +7
    10% Custom Software Development
    10% E-Commerce Development
    10% Microservices Architecture Services
    10% Mobile App Development
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Other programming & scripting languages +2
    20% PHP
    20% SQL

    Punggawa Studio, a Content Marketing company, focuses on Content Marketing and Search Engine Optimization. The agency is in Surabaya, Indonesia.

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  • SoftSyncDev Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Blockchain
    20% Custom Software Development +2
    20% Mobile App Development
    20% UX/UI Design

    Focus Areas

    10% JavaScript
    10% HTML5
    10% PHP +7
    10% Python
    10% Redux
    10% SQL
    10% Typescript
    10% Visual Basic
    10% XML
    10% jquery

    SoftSyncDev is an UX design agency. The Karachi, Pakistan-based team focuses on UX/UI Design and Custom Software Development.

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  • Dezyn 360, Inc. Logotype

    Not yet reviewed

    $50,000+
    $100 - $149 / hr
    2 - 9
    West Palm Beach, FL

    Services provided

    20% Web Development
    20% Branding
    20% Search Engine Optimization +2
    20% Social Media Marketing
    20% Web Design

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP.NET +7
    10% HTML5
    10% PHP
    10% Python
    10% Redux
    10% SQL
    10% XML
    10% jquery

    Dezyn 360, Inc. Is a branding agency. Established in 2018, the company is headquartered in West Palm Beach, Florida. Their team provides Branding and Social Media Marketing.

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  • Can2 Multimedia Logotype

    Can2 Multimedia

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    2 - 9

    Services provided

    20% Web Development
    20% Search Engine Optimization
    20% Social Media Marketing +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

    10% JavaScript
    50% HTML5
    25% PHP +2
    10% XML
    5% SQL

    Can2 Multimedia is a social media marketing company located in Pharr, Texas. They provide Social Media Marketing and Search Engine Optimization.

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  • Navees Infotech Logotype

    Navees Infotech

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Content Marketing
    20% E-Commerce Development +2
    20% Pay Per Click
    20% Social Media Marketing

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +7
    10% Java
    10% Kotlin
    10% Objective C
    10% Redux
    10% Swift
    10% Typescript
    10% jquery

    Navees Infotech is a social media marketing firm. Founded in 2015, the company is headquartered in New York, New York. Their team focuses on Social Media Marketing and Content Marketing.

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  • ReadNRevise Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AI Development
    20% Cloud Consulting & SI +2
    20% Cybersecurity
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    25% Java
    15% Typescript +5
    10% Other programming & scripting languages
    10% Python
    10% Ruby
    10% SQL
    10% Swift

    Established in 2023, ReadNRevise, a small cloud consulting & SI company, is located in Ghaziabad, India. Their team provides cloud consulting & SI and Cybersecurity.

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  • Tackle-D Private Limited Logotype

    Tackle-D Private Limited

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Cloud Consulting & SI
    20% Mobile App Development +2
    20% Search Engine Optimization
    20% UX/UI Design

    Focus Areas

    10% JavaScript
    20% Objective C
    20% Python +4
    20% Swift
    10% C#
    10% Java
    10% PHP

    Tackle-D Private Limited is a Kushalnagar, India-based SEO company. They specialize in Search Engine Optimization and UX/UI Design and were launched in 2020.

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  • MainStreet Design Logotype

    MainStreet Design

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    20% Web Development
    20% API Development
    20% Branding +2
    20% Search Engine Optimization
    20% Social Media Marketing

    Focus Areas

    10% JavaScript
    50% Other programming & scripting languages
    10% PHP +3
    10% SQL
    10% XML
    10% jquery

    Branding firm MainStreet Design was established in 2011. The small team focuses on Branding and Social Media Marketing.

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  • DIGITAL WEBXPERT Logotype

    DIGITAL WEBXPERT

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +2
    20% Social Media Marketing
    20% Web Design

    Focus Areas

    10% JavaScript
    40% PHP
    10% Java +6
    10% Python
    10% SQL
    5% AJAX
    5% C#
    5% C++
    5% Typescript

    DIGITAL WEBXPERT is a social media marketing company founded in 2016. Located in Madhupur, India, the team offers Social Media Marketing and Web Design.

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  • techinhawk Logotype

    techinhawk

    Not yet reviewed

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

    Services provided

    10% Web Development
    80% Mobile App Development
    10% AI Development

    Focus Areas

    20% JavaScript
    20% Java
    20% Kotlin +2
    20% Python
    20% Swift

    Techinhawk is an app development company. Their small team is based in Dehradun, India and offers Mobile App Development and Web Development. The agency was established in 2024.

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  • Gor Technologies Logotype

    Gor Technologies

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9

    Services provided

    20% Web Development
    20% Custom Software Development
    20% E-Commerce Development +2
    20% Enterprise App Modernization
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% Typescript +4
    15% C#
    15% Swift
    10% Kotlin
    10% SQL

    Custom software development company Gor Technologies is in Ahmedabad, India. The team provides Custom Software Development and Web Development.

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  • Diloxy Logotype

    Diloxy

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Custom Software Development
    20% AI Development +3
    10% DevOps Managed Services
    10% IT Strategy Consulting
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    15% Java
    15% Python +7
    10% Go
    10% Redux
    10% SQL
    10% Scala
    10% Typescript
    5% Kotlin
    5% Other programming & scripting languages

    Custom software development company Diloxy is located in București, Romania. They specialize in Custom Software Development and Web Development.

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  • Product on Point Logotype

    Product on Point

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AI Consulting
    10% Business Consulting +7
    10% Custom Software Development
    10% Digital Strategy
    10% Product Design
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% PHP
    20% Python +2
    20% SQL
    20% Visual Basic

    Founded in 2024, Product on Point is a Digital Strategy company. The team specializes in Digital Strategy and Social Media Marketing and is headquartered in Chamblee, Georgia.

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  • Dev Harbor Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Custom Software Development
    10% Application Management & Support +5
    10% Computer Engineering
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% Mobile App Development
    10% Other Application Development

    Focus Areas

    20% JavaScript
    40% Typescript
    20% HTML5 +3
    10% SQL
    5% Go
    5% Swift

    Dev Harbor is a Vrčin, Serbia-based software development company. They provide Custom Software Development and Web Development and were established in 2020.

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  • Nolim Studios LLC Logotype

    Nolim Studios LLC

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AI Agents
    10% AI Development +7
    10% API Development
    10% AR/VR Development
    10% E-Commerce Development
    10% IT Staff Augmentation
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Web Design

    Focus Areas

    20% JavaScript
    20% Python
    20% SQL +3
    20% Typescript
    10% C#
    10% Other programming & scripting languages

    Nolim Studios LLC, a web design company, was established in 2021. The company specializes in Web Design and IT strategy consulting, and is small.

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  • JDPC Global Logotype

    JDPC Global

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AI Development
    20% Custom Software Development +3
    20% Mobile App Development
    10% DevOps Managed Services
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    20% ASP.NET
    15% SQL +7
    10% C#
    10% HTML5
    10% PHP
    10% Typescript
    5% AJAX
    5% Swift
    5% jquery

    JDPC Global is a software development company. They are located in Jaipur, India and have small team. They focus on Custom Software Development and Web Development.

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  • Akwid Labs Logotype

    Akwid Labs

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9

    Services provided

    15% Web Development
    20% AI Consulting
    20% AI Development +6
    20% Custom Software Development
    5% Branding
    5% Generative AI
    5% IT Strategy Consulting
    5% Mobile App Development
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    25% Java
    25% Python +2
    25% Typescript
    15% Other programming & scripting languages

    Established in 2018, Akwid Labs is a custom software development firm. The team focuses on Custom Software Development and Artificial Intelligence.

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  • Cetreno Infotech Pvt Ltd Logotype

    Cetreno Infotech Pvt Ltd

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    10% Web Development
    25% Social Media Marketing
    15% Web Design +6
    10% Content Marketing
    10% E-Commerce Development
    10% Search Engine Optimization
    10% UX/UI Design
    5% Digital Strategy
    5% Email Marketing

    Focus Areas

    10% JavaScript
    50% PHP
    25% SQL +1
    15% Other programming & scripting languages

    Cetreno Infotech Pvt Ltd, a small social media marketing firm, is located in Mumbai, Maharashtra, India. The team offers Social Media Marketing and Web Design.

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  • Nexaplay Studio Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% E-Commerce Development
    20% Graphic Design +4
    20% Mobile App Development
    10% AR/VR Development
    10% Custom Software Development
    10% UX/UI Design

    Focus Areas

    11% JavaScript
    22% jquery
    12% HTML5 +5
    11% C#
    11% C++
    11% Java
    11% Other programming & scripting languages
    11% PHP

    Nexaplay Studio is a graphic design company founded in 2022. Their services include Graphic Design and Mobile App Development.

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  • PSK Technology Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Cloud Consulting & SI
    10% Custom Software Development +9
    10% E-Commerce Development
    10% IT Strategy Consulting
    10% Mobile & App Marketing
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design
    4% IoT Development
    3% Application Testing
    3% Business Consulting

    Focus Areas

    10% JavaScript
    20% Swift
    15% Kotlin +5
    15% Objective C
    10% ASP.NET
    10% Apex
    10% Java
    10% PHP

    PSK Technology is a software development firm founded in 2015. The agency focuses on Custom Software Development and UX/UI Design.

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  • Kartal inc. Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    12% Custom Software Development
    12% Web Design +9
    10% Graphic Design
    10% Mobile App Development
    9% Social Media Marketing
    8% E-Commerce Development
    7% IT Strategy Consulting
    6% Digital Strategy
    6% Print Design
    5% Logo
    5% Search Engine Optimization

    Focus Areas

    10% JavaScript
    40% PHP
    12% AJAX +4
    12% SQL
    10% Java
    10% Kotlin
    6% Redux

    Launched in 2017, Kartal inc., a small web design agency, is based in Port Harcourt, Nigeria. Their services include Web Design and Custom Software Development.

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  • Jasvertising Solutions - Digital Marketing Agency in South Africa Logotype

    Jasvertising Solutions - Digital Marketing Agency in South Africa

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    15% Web Development
    20% Social Media Marketing
    10% Advertising +6
    10% Branding
    10% E-Commerce Development
    10% Graphic Design
    10% Other Marketing
    10% Search Engine Optimization
    5% Business Consulting

    Focus Areas

    10% JavaScript
    50% SQL
    30% PHP +1
    10% Java

    Jasvertising Solutions - Digital Marketing Agency in South Africa is a social media marketing firm launched in 2018. The agency focuses on Social Media Marketing and Web Development.

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  • WEBWIZCRAFT Logotype

    WEBWIZCRAFT

    Not yet reviewed

    $1,000+
    < $25 / hr
    Freelancer

    Services provided

    20% Web Development
    15% Low/No Code Development
    15% UX/UI Design +5
    10% Advertising
    10% E-Commerce Development
    10% Ecommerce Marketing
    10% Search Engine Optimization
    10% Web Design

    Focus Areas

    20% JavaScript
    30% HTML5
    25% Java +2
    15% PHP
    10% jquery

    WEBWIZCRAFT is a website development company founded in 2020. The agency specializes in Web Development and Web Design.

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  • Dark Hand Coders Logotype

    Dark Hand Coders

    Not yet reviewed

    Undisclosed
    < $25 / hr
    Freelancer

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +2
    20% Search Engine Optimization
    20% Social Media Marketing

    Focus Areas

    20% JavaScript
    20% Kotlin
    20% PHP +2
    20% Python
    20% SQL

    Dark Hand Coders is a social media marketing firm. The agency is based in Chennai, India. Their services include Social Media Marketing and Search Engine Optimization.

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  • The Imagination Factory Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    2 - 9
    Grand Rapids, MI

    Services provided

    10% Web Development
    20% E-Commerce Development
    20% Marketing Strategy +5
    10% Branding
    10% Content Marketing
    10% Graphic Design
    10% Search Engine Optimization
    10% Web Design

    Focus Areas

    10% JavaScript
    25% PHP
    20% AJAX +4
    20% SQL
    10% HTML5
    10% jquery
    5% Perl

    Marketing Strategy company The Imagination Factory was founded in 1985. The firm focuses on Marketing Strategy and E-Commerce Development.

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  • ilovesolution Logotype

    ilovesolution

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% UX/UI Design
    13% Low/No Code Development +13
    10% Web Design
    5% Advertising
    5% Branding
    5% Conversion Optimization
    5% E-Commerce Development
    5% Ecommerce Marketing
    5% Graphic Design
    5% Pay Per Click
    5% Print Design
    5% Search Engine Optimization
    5% Social Media Marketing
    1% Custom Software Development
    1% Mobile App Development

    Focus Areas

    10% JavaScript
    20% PHP
    20% Typescript +6
    10% C#
    10% Go
    10% Other programming & scripting languages
    10% Python
    5% Java
    5% SQL

    Ilovesolution is an UX agency. Based in Düsseldorf, Germany, their team specializes in UX/UI Design and Web Development.

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  • Pizero Logotype

    Pizero

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Custom Software Development
    10% AI Agents +6
    10% API Development
    10% Cybersecurity
    10% E-Commerce Development
    10% IT Strategy Consulting
    10% Microservices Architecture Services
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    25% PHP
    15% Kotlin +4
    15% SQL
    15% Swift
    10% AJAX
    10% Python

    Pizero is a Lucca, Italy-based software development company. They specialize in Custom Software Development and IT strategy consulting and were founded in 2013.

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  • Gentech.id (PT Gentec Prima Nusantara) Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Tangerang Selatan, Indonesia

    Services provided

    10% Web Development
    15% Search Engine Optimization
    10% Graphic Design +9
    10% Pay Per Click
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design
    5% Advertising
    5% Branding
    5% Content Marketing
    5% Digital Strategy
    5% Other Digital Marketing

    Focus Areas

    10% JavaScript
    40% HTML5
    10% PHP +8
    5% C++
    5% Java
    5% Python
    5% Ruby
    5% SQL
    5% Visual Basic
    5% XML
    5% jquery

    Gentech.id (PT Gentec Prima Nusantara) is a small SEO agency established in 2023. Their services include Search Engine Optimization and Social Media Marketing.

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    More responsive than most other service providers

    Gentech.id (PT Gentec Prima Nusantara) is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
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  • CyberKode Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Custom Software Development
    15% Mobile App Development +6
    10% E-Commerce Development
    10% Graphic Design
    10% Logo
    10% UX/UI Design
    10% Web Design
    5% IoT Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% C +7
    10% Java
    10% Objective C
    10% PHP
    10% Python
    10% Redux
    10% SQL
    10% Visual Basic

    Custom software development firm CyberKode was established in 2018. The company offers Custom Software Development and Mobile App Development.

    Read more
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  • Cleto Technologies Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    50% Custom Software Development
    10% Application Testing +3
    10% E-Commerce Development
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    15% JavaScript
    30% AJAX
    30% SQL +1
    25% PHP

    Software development firm Cleto Technologies focuses on Custom Software Development and UX/UI Design. They are in Amman, Jordan.

    Read more
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  • Apps Innovations Services Pvt. Ltd. Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    New Delhi, India

    Services provided

    10% Web Development
    40% Mobile App Development
    20% Search Engine Optimization +3
    10% Content Marketing
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    10% JavaScript
    50% Swift
    10% Java +3
    10% Objective C
    10% Other programming & scripting languages
    10% PHP

    Application development company Apps Innovations Services Pvt. Ltd. Was established in 2012. The firm specializes in Mobile App Development and Search Engine Optimization.

    Read more
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  • Redback IT Solutions Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% E-Commerce Development
    15% Low/No Code Development +6
    15% Search Engine Optimization
    10% Digital Strategy
    10% Social Media Marketing
    10% Web Design
    5% Market Research
    5% Marketing Strategy

    Focus Areas

    10% JavaScript
    20% Java
    10% AJAX +7
    10% Objective C
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% SQL
    5% Ruby
    5% XML

    Redback IT Solutions is a web development company founded in 2010. The team focuses on Web Development and E-Commerce Development and is based in Vellore, India and Vellore, India.

    Read more
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  • SeoEaze Logotype

    SeoEaze

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49

    Services provided

    10% Web Development
    50% Search Engine Optimization
    20% Content Marketing +2
    10% Pay Per Click
    10% Social Media Marketing

    Focus Areas

    10% JavaScript
    60% PHP
    20% AJAX +1
    10% ASP

    SeoEaze is a SEO company. The small Noida, India-based team specializes in Search Engine Optimization and Content Marketing. The company was founded in 2009.

    Read more
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  • 360dgtl Logotype

    360dgtl

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    10% JavaScript
    50% PHP
    30% SQL +1
    10% AJAX

    360dgtl is an UX design agency. Located in Hyderabad, India, the firm was launched in 2015. Their services include UX/UI Design and E-Commerce Development.

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  • ArsenalTech Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Application Management & Support
    10% Application Testing +7
    10% Custom Software Development
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% Mobile App Development
    10% Other Application Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    40% PHP
    20% ASP.NET +2
    20% C#
    10% Objective C

    ArsenalTech, a custom software development company, is in Ahmedabad, India. They provide Custom Software Development and Enterprise App Modernization and were founded in 2010.

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  • Achievers International Outsourcing Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Ahmedabad, India

    Services provided

    10% Web Development
    10% E-Commerce Development
    10% Graphic Design +9
    10% Logo
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design
    5% Content Marketing
    5% Email Marketing
    5% Mobile & App Marketing
    5% Pay Per Click

    Focus Areas

    10% JavaScript
    20% Java
    20% PHP +5
    10% AJAX
    10% ASP.NET
    10% C
    10% C#
    10% C++

    Achievers International Outsourcing is an e-commerce development company. Their small team is in Ahmedabad, India. Their services include E-Commerce Development and Graphic Design.

    Read more
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  • Web Techno Experts Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Custom Software Development
    10% Digital Strategy +7
    10% Logo
    10% Mobile & App Marketing
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    10% JavaScript
    10% ASP
    10% ASP.NET +7
    10% C
    10% C#
    10% C++
    10% Java
    10% PHP
    10% Python
    10% XML

    Web Techno Experts is a small software development firm established in 1985. Their team focuses on Custom Software Development and Digital Strategy.

    Read more
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  • Wildorb Interactive Design Studio Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Application Testing
    10% Branding +7
    10% Custom Software Development
    10% E-Commerce Development
    10% Graphic Design
    10% IoT Development
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    20% PHP
    10% AJAX +6
    10% ASP.NET
    10% Java
    10% Python
    10% Ruby
    10% SQL
    10% XML

    Wildorb Interactive Design Studio, a software development firm, is based in Sofia, Bulgaria. They provide Custom Software Development and UX/UI Design.

    Read more
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  • DIGITAL CONCEPTS Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Content Marketing
    10% Advertising +6
    10% Digital Strategy
    10% Graphic Design
    10% Marketing Strategy
    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% Python
    10% SQL
    10% XML

    Headquartered in Kolkata, India, DIGITAL CONCEPTS is a Content Marketing company. They provide Content Marketing and Advertising and were founded in 2018.

    Read more
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  • ITAIMS Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    16% Low/No Code Development
    10% Custom Software Development +13
    10% UX/UI Design
    7% Social Media Marketing
    5% Advertising
    5% Branding
    5% Digital Strategy
    5% E-Commerce Development
    5% Ecommerce Marketing
    5% Graphic Design
    5% Mobile & App Marketing
    5% Search Engine Optimization
    3% Affiliate Marketing
    3% Email Marketing
    1% Web Design

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +7
    10% C++
    10% Go
    10% Java
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% jquery

    ITAIMS is a web development company headquartered in Ahmedabad, India. They focus on Web Development and UX/UI Design.

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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 xfive
2 ImageX
3 Brainhub
4 ATEAM SOFT SOLUTIONS
5 The Software House
6 Xmartlabs
7 Airdev
8 WPWeb Infotech
9 Lizard Global
10 Softonix
11 INOXOFT
12 PopArt Studio
13 GeekyAnts
14 Incora
15 SpdLoad

List of the Top 15 JavaScript Development Companies

  1. xfive Logotype

    xfive

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

    Ability to deliver

    39.9/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  2. ImageX Logotype

    ImageX

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

    Ability to deliver

    39.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

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

    Brainhub

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

    Ability to deliver

    39.5/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    45% Web Development
    75% JavaScript
    55% Other
    View Profile Visit Website
  4. ATEAM SOFT SOLUTIONS Logotype

    ATEAM SOFT SOLUTIONS

    $10,000+
    < $25 / hr
    250 - 999
    Thiruvananthapuram, India

    Ability to deliver

    38.5/40.0
    19.2/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    50% Web Development
    50% JavaScript
    50% Other
    View Profile Visit Website
  5. The Software House Logotype

    The Software House

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

    Ability to deliver

    39.8/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    40% Web Development
    60% JavaScript
    60% Other
    View Profile Visit Website
  6. Xmartlabs Logotype

    Xmartlabs

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

    Ability to deliver

    39.5/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    50% Web Development
    35% JavaScript
    50% Other
    View Profile Visit Website
  7. Airdev Logotype

    Airdev

    $10,000+
    Undisclosed
    50 - 249
    San Francisco, CA

    Ability to deliver

    38.7/40.0
    19.4/20 Reviews
    9.6/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  8. WPWeb Infotech Logotype

    WPWeb Infotech

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

    Ability to deliver

    39.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    65% Web Development
    20% JavaScript
    35% Other
    View Profile Visit Website
  9. Lizard Global Logotype

    Lizard Global

    $10,000+
    $50 - $99 / hr
    50 - 249
    Kuala Lumpur, Malaysia

    Ability to deliver

    39.3/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    30% Web Development
    70% JavaScript
    70% Other
    View Profile Visit Website
  10. Softonix Logotype

    Softonix

    $5,000+
    $25 - $49 / hr
    50 - 249
    L'viv, Ukraine

    Ability to deliver

    36.5/40.0
    17.6/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  11. INOXOFT Logotype

    INOXOFT

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

    Ability to deliver

    39.8/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  12. PopArt Studio Logotype

    PopArt Studio

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

    Ability to deliver

    39.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    35% Web Development
    40% JavaScript
    65% Other
    View Profile Visit Website
  13. GeekyAnts Logotype

    GeekyAnts

    $10,000+
    $25 - $49 / hr
    250 - 999
    San Francisco, CA

    Ability to deliver

    39.9/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    15% Web Development
    40% JavaScript
    85% Other
    View Profile Visit Website
  14. Incora Logotype

    Incora

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

    Ability to deliver

    37.6/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  15. SpdLoad Logotype

    SpdLoad

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

    Ability to deliver

    36.8/40.0
    17/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  16. Brainium Information Technologies Logotype

    Brainium Information Technologies

    $10,000+
    < $25 / hr
    250 - 999
    Kolkata, India

    Ability to deliver

    36.7/40.0
    19.4/20 Reviews
    9/10 Clients & Experience
    8.4/10 Market Presence

    Service focus

    35% Web Development
    30% JavaScript
    65% Other
    View Profile Visit Website
  17. Toptal Logotype

    Toptal

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

    Ability to deliver

    38.7/40.0
    18.8/20 Reviews
    9.9/10 Clients & Experience
    10/10 Market Presence

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  18. HTMLPanda Logotype

    HTMLPanda

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

    Ability to deliver

    35.9/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  20. Techuz InfoWeb Pvt. Ltd. Logotype

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

    36.3/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  21. PowerGate Software Logotype

    PowerGate Software

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

    Ability to deliver

    38.7/40.0
    19.2/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    30% Web Development
    21% JavaScript
    70% Other
    View Profile Visit Website
  22. Experion Technologies Logotype

    Experion Technologies

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

    Ability to deliver

    36.9/40.0
    17.2/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    20% Web Development
    25% JavaScript
    80% Other
    View Profile Visit Website
  23. Arcanys Logotype

    Arcanys

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

    Ability to deliver

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

    Service focus

    30% Web Development
    20% JavaScript
    70% Other
    View Profile Visit Website
  24. Cleveroad Logotype

    Cleveroad

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

    Ability to deliver

    40/40.0
    20/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    28% Web Development
    15% JavaScript
    72% Other
    View Profile Visit Website
  25. Human Made Logotype

    Human Made

    $50,000+
    $150 - $199 / hr
    50 - 249
    Matlock, England

    Ability to deliver

    37.8/40.0
    18/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    100% Web Development
    30% JavaScript
    View Profile Visit Website
  26. Blazity Logotype

    Blazity

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

    Ability to deliver

    37.3/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    9.2/10 Market Presence

    Service focus

    50% Web Development
    70% JavaScript
    50% Other
    View Profile Visit Website
  27. Sigma Software Group Logotype

    Sigma Software Group

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

    Ability to deliver

    38/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    21% Web Development
    18% JavaScript
    79% Other
    View Profile Visit Website
  28. Vangwe Logotype

    Vangwe

    $10,000+
    $50 - $99 / hr
    10 - 49
    Montevideo, Uruguay

    Ability to deliver

    38.3/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  29. Vincit Logotype

    Vincit

    $50,000+
    $150 - $199 / hr
    250 - 999
    Irvine, CA

    Ability to deliver

    36.2/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    30% Web Development
    30% JavaScript
    70% Other
    View Profile Visit Website
  30. Light IT Global Logotype

    Light IT Global

    $25,000+
    $25 - $49 / hr
    50 - 249
    Rickmansworth, England

    Ability to deliver

    38.9/40.0
    19.2/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    60% Web Development
    20% JavaScript
    40% Other
    View Profile Visit Website

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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