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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: May 19, 2026
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15 Leaders 15 Contenders

22,063 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Featured

    What are Featured Providers?

    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), is a web development firm specializing in full-stack and custom website development. Reviews consistently highlight their exceptional project management, technical expertise, and strong communication skills. Approximately 90% of reviewers commend their proactive and reliable service, resulting in improved project delivery times and increased user satisfaction across various web applications.

    See all 89 projects

    Reviews mention Well-organized projects

    Clients consistently praise DIGIS for their well-organized project management. One client highlighted the effective use of tools like Asana, which facilitated clear communication and task assignment. They noted that all stages of development were meticulously managed, with adherence to schedules and budgets. Another emphasized the impressive quality and speed of work, stating, 'Everything was organized,' and appreciated the agile approach. Overall, the sentiment reflects a strong confidence in DIGIS's ability to manage complex projects effectively.
    • Custom Software Development for Digital Marketing Agency
      5.0 Apr 19, 2024

      Working with Digis on the development of our application has been an exemplary experience, especially in terms of project management. Their team demonstrated exceptional organizational skills and a strong commitment to keeping our project on track — with timeliness, responsiveness, and adaptability and problem solving.

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    • UI/UX Design for IT Services Company
      5.0 Jul 6, 2021

      With Digis, we also had the feeling that they knew what they were doing and how to do it. Every next step was planned from the beginning. If something didn't work in line with our processes, we could readjust it.

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    • Development for Legal Services Company
      5.0 Apr 22, 2019

      We had a Scrum-like process. We suggested using Jira, but they convinced us that Asana was more flexible. I’d never heard about it, but we started using it and I liked it. They created a board for us in Asana, where they assigned tickets. We started with Skype chats and Slack, and they convinced us slowly that it would be better to leave our feedback directly in the tickets.

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    • UI/UX Design & Custom Software Dev for Buy & Sale Platform
      5.0 Jul 17, 2023

      Digis delivered software on schedules, the quality of their work and code was unusually high. Their project manager oversaw the coordination of deliveries, quality engineering and testing, as well as delivery very effectively. When I had outliers that were usually 'surprises', often Digis would adapt and incorporate in delivery but was always truthful in pushing back if they could not make a desired ask.

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    • Software Dev & IT Staff Augmentation for Software Company
      5.0 Sep 8, 2025

      Digis has a great system for onboarding new customers and working with them to help fulfill their goals. It's a very thought-out process, leaving nothing to chance. All concerns are proactively addressed.

      Read Full Review
    Read All Reviews
    6 of 6 JavaScript reviews are 5 stars
    1 new review for JavaScript in past 6 months
    $10,000 – $49,000 avg. project cost

    JavaScript Experience

    Digis has received overwhelmingly positive feedback for their JavaScript services, with 90% of clients noting effective communication and timely delivery. Clients have praised the expertise of their developers, particularly in frontend and full-stack development, contributing to improved project turnaround times by 40%-50%. Notable strengths include their ability to adapt to client needs, provide high-quality code, and offer innovative solutions without requiring micromanagement. Overall, there are no significant areas for improvement mentioned, indicating strong client satisfaction.

    Read Most Recent Review
    17 of 23 Web Development reviews are 5 stars
    2 new reviews for Web Development in past 6 months
    $50,000 – $199,999 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Hosting Platform Development for Advertising & Marketing Co

    4.5 — Digis developed an automated hosting platform with cPanel integration, email automation, and GitHub automation for an advertising and marketing company. Read more
    Read 23 Reviews

    View projects from:

    United States (29) Germany (7) Ukraine (7) England (4) France (4) Israel (3) South Africa (2) Canada (2) Italy (2) Sweden (2) Spain (2) Ireland (1) Netherlands (1) New Zealand (1) Poland (1) Romania (1) Russia (1) Lithuania (1) Latvia (1) Japan (1) Australia (1) Georgia (1) Scotland (1) Estonia (1)
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  • Growth Squad Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Search Engine Optimization
    25% Web Design +2
    15% Pay Per Click
    10% Business Consulting

    Focus Areas

    10% JavaScript
    25% PHP
    25% SQL +5
    15% HTML5
    10% jquery
    5% AJAX
    5% Other programming & scripting languages
    5% XML

    Established in 2016, Growth Squad is a small Stuart, Florida-based SEO agency. Their services include Search Engine Optimization and Web Design.

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  • Creative Partner Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    35% Search Engine Optimization
    25% Web Design +2
    15% Pay Per Click
    15% Social Media Marketing

    Focus Areas

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

    Creative Partner is a small Lansing, Michigan-based SEO agency. Their services include Search Engine Optimization and Web Design.

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  • Formstabil Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Branding
    20% Web Design +3
    15% Packaging Design
    15% UX/UI Design
    10% Graphic Design

    Focus Areas

    20% JavaScript
    30% HTML5
    20% Java +2
    20% PHP
    10% XML

    Based in Würzburg, Germany and Bad Mergentheim, Germany, Formstabil is a branding firm. They provide Branding and Web Design and were founded in 2016.

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  • Nuhaweb Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    35% E-Commerce Development
    10% Performance Marketing +5
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design
    5% Logo
    5% Video Production

    Focus Areas

    20% JavaScript
    30% HTML5
    20% PHP +2
    15% Typescript
    15% jquery

    Based in Yogyakarta, Indonesia, Nuhaweb is a small e-commerce development company. Their services include E-Commerce Development and Web Development.

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  • App Clone Logotype

    4.5 1 review
    $1,000+
    < $25 / hr
    10 - 49
    Rajkot, India

    Services provided

    10% Web Development
    30% Mobile App Development
    10% Advertising +5
    10% Application Management & Support
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Staff Augmentation
    10% Other Application Development

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Java +2
    20% PHP
    20% SQL

    App Clone is a leading Web and Mobile App Development Company and the Best Website Development Company in India. App Clone comprises a group of developers specializing in creating websites and

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  • MERP Systems, Inc. Logotype

    MERP Systems, Inc.

    Not yet reviewed

    Undisclosed
    $100 - $149 / hr
    10 - 49

    Services provided

    20% Web Development
    25% CRM Consulting and SI
    25% ECM Consulting and SI +2
    20% Enterprise App Modernization
    10% Custom Software Development

    Focus Areas

    10% JavaScript
    40% ASP.NET
    20% AJAX +2
    20% C#
    10% SQL

    CRM consulting and SI company MERP Systems, Inc. Is based in Washington, District of Columbia and. They focus on CRM consulting and SI and ECM consulting and SI and were established in 2010.

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  • Agile Codex Ltd Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    40% E-Commerce Development
    10% Custom Software Development +3
    10% Mobile App Development
    10% Search Engine Optimization
    10% Web Design

    Focus Areas

    10% JavaScript
    50% PHP
    10% AJAX +3
    10% ASP
    10% ASP.NET
    10% SQL

    Agile Codex Ltd is a small e-commerce development company founded in 2012. Their team provides E-Commerce Development and Web Development.

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  • Highly Succeed Inc. Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Mobile App Development
    20% Web Design +3
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    80% PHP
    10% Java

    Highly Succeed Inc., a mobile app development firm, is located in Pasig City, Philippines. Their services include Mobile App Development and Web Design.

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  • Atom Engine Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    10 - 49
    Leicester, England

    Services provided

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

    Focus Areas

    10% JavaScript
    20% Java
    20% Swift +5
    10% AJAX
    10% C++
    10% Objective C
    10% PHP
    10% SQL

    Atom Engine is an UX design company established in 2014. The agency focuses on UX/UI Design and Mobile App Development, and is small.

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  • Just Creative Agency Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    25% Product Design
    25% UX/UI Design +6
    10% Branding
    10% Web Design
    5% Graphic Design
    5% Logo
    5% Print Design
    5% Video Production

    Focus Areas

    20% JavaScript
    45% HTML5
    10% Other programming & scripting languages +4
    10% PHP
    5% AJAX
    5% SQL
    5% jquery

    Just Creative Agency is a small user experience company. Launched in 2013, the team offers UX/UI Design and Product Design.

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  • Swappsi Software Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    10 - 49
    Dublin, Ireland

    Services provided

    15% Web Development
    30% Custom Software Development
    15% Application Management & Support +4
    15% IT Staff Augmentation
    10% IT Strategy Consulting
    10% Mobile App Development
    5% Other Application Development

    Focus Areas

    15% JavaScript
    70% C#
    5% ASP.NET +2
    5% Redux
    5% SQL

    Custom software development company Swappsi Software specializes in Custom Software Development and IT staff augmentation. They are based in Dublin, Ireland.

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  • HYBrain Development Corporation Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Application Management & Support
    15% Application Testing +4
    15% Custom Software Development
    15% E-Commerce Development
    15% Mobile App Development
    10% Cybersecurity

    Focus Areas

    15% JavaScript
    30% C#
    30% PHP +2
    20% SQL
    5% Other programming & scripting languages

    Founded in 2016, HYBrain Development Corporation is a custom software development firm. Their team offers Custom Software Development and Application Management & Support.

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  • Tunity Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Geel, Belgium

    Services provided

    20% Web Development
    30% Performance Marketing
    30% Social Media Marketing +2
    10% Custom Software Development
    10% Graphic Design

    Focus Areas

    10% JavaScript
    90% PHP

    Tunity is a Geel, Belgium-based social media marketing company. They specialize in Social Media Marketing and Performance Marketing and were founded in 2018.

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  • Appcentric Solutions Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    70% Mobile App Development
    5% E-Commerce Development +3
    5% Search Engine Optimization
    5% UX/UI Design
    5% Web Design

    Focus Areas

    20% JavaScript
    20% PHP
    20% SQL +4
    15% Swift
    10% C++
    10% Python
    5% Other programming & scripting languages

    Appcentric Solutions is a small Austin, Texas-based application development firm. Their services include Mobile App Development and Web Development.

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  • Agna Business Applications Logotype

    Agna Business Applications

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +7
    10% E-Commerce Development
    5% Back Office Outsourcing
    5% IT Staff Augmentation
    5% IT Strategy Consulting
    5% Product Design
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    45% PHP
    30% ASP.NET +3
    5% AJAX
    5% Java
    5% XML

    Based in Coimbatore, India, Agna Business Applications is a small custom software development company. Their services include Custom Software Development and Mobile App Development.

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  • Outdo Inc Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% UX/UI Design
    15% Web Design +6
    10% Branding
    10% Custom Software Development
    10% E-Commerce Development
    10% Logo
    10% Mobile App Development
    10% Search Engine Optimization

    Focus Areas

    20% JavaScript
    20% PHP
    20% SQL +3
    15% AJAX
    15% Swift
    10% Objective C

    Outdo Inc is an UX company. Launched in 2016, the company provides UX/UI Design and Web Design.

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  • SilverPixelz Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Dubai, United Arab Emirates

    Services provided

    10% Web Development
    10% Branding
    10% E-Commerce Development +7
    10% Logo
    10% Mobile App Development
    10% Packaging Design
    10% Print Design
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    20% JavaScript
    40% PHP
    15% AJAX +3
    10% Other programming & scripting languages
    10% SQL
    5% XML

    Founded in 2010, SilverPixelz is a small Dubai, United Arab Emirates-based branding company. Their services include Branding and E-Commerce Development.

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  • Under Development Office Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    București, Romania

    Services provided

    20% Web Development
    35% Blockchain
    30% Mobile App Development +2
    10% UX/UI Design
    5% Business Consulting

    Focus Areas

    10% JavaScript
    15% Kotlin
    15% Swift +6
    10% C
    10% C#
    10% C++
    10% Java
    10% Other programming & scripting languages
    10% PHP

    Under Development Office is a Blockchain company. The team is headquartered in București, Romania, and their services include Blockchain and Mobile App Development.

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  • CCR Technologies Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    40% Custom Software Development
    20% BI & Big Data Consulting & SI +1
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    15% ASP.NET
    15% SQL +8
    10% C#
    10% PHP
    10% Python
    10% XML
    5% Objective C
    5% Other programming & scripting languages
    5% Swift
    5% Visual Basic

    CCR Technologies is a software development company. Founded in 2003, the team focuses on Custom Software Development and BI & big data consulting & SI.

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  • Innovent Business Solutions Logotype

    Innovent Business Solutions

    Not yet reviewed

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

    Services provided

    10% Web Development
    50% Custom Software Development
    25% Mobile App Development +2
    10% IT Staff Augmentation
    5% E-Commerce Development

    Focus Areas

    20% JavaScript
    40% C#
    20% ASP.NET +1
    20% SQL

    Innovent Business Solutions is a Sydney, Australia-based custom software development firm. The team offers Custom Software Development and Mobile App Development.

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  • Wolfmatrix Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    40% Mobile App Development
    15% Custom Software Development +5
    10% Application Management & Support
    5% Application Testing
    5% Product Design
    5% UX/UI Design
    5% Web Design

    Focus Areas

    15% JavaScript
    30% Java
    15% Python +6
    15% Swift
    5% C#
    5% C++
    5% Objective C
    5% PHP
    5% SQL

    Wolfmatrix is a small app development company. They offer Mobile App Development and Custom Software Development and were established in 2014.

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  • Binary Web Solutions India Pvt Ltd. Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +4
    20% Web Design
    10% Digital Strategy
    5% Logo
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    50% PHP
    10% AJAX +3
    10% SQL
    10% Swift
    10% XML

    Based in Mumbai, India, Binary Web Solutions India Pvt Ltd. Is a small software development firm. Their services include Custom Software Development and Mobile App Development.

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  • Olicom Interactive Sp. z o.o. Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    25% Application Management & Support
    25% Custom Software Development +4
    15% Mobile App Development
    10% E-Commerce Development
    10% Enterprise App Modernization
    5% Blockchain

    Focus Areas

    20% JavaScript
    40% PHP
    20% SQL +2
    10% AJAX
    10% Other programming & scripting languages

    Olicom Interactive Sp. Z o.o. Is a custom software development company. Founded in 2006, their team specializes in Custom Software Development and Application Management & Support.

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  • Serious Software Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49
    Norwich, England

    Services provided

    20% Web Development
    20% Application Testing
    20% Custom Software Development +2
    20% Mobile App Development
    20% Wearable App Development

    Focus Areas

    10% JavaScript
    20% Other programming & scripting languages
    10% C# +6
    10% C++
    10% Ember.js
    10% Java
    10% PHP
    10% Python
    10% Ruby

    Launched in 2017, Serious Software is a software development firm. The company offers Custom Software Development and Web Development, and is small.

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  • Emphatic Technologies Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Mobile App Development
    10% E-Commerce Development +5
    10% Mobile & App Marketing
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    20% PHP
    20% SQL +5
    10% C#
    10% C++
    10% Java
    10% Swift
    10% XML

    Emphatic Technologies is a small mobile app development firm based in Ahmedabad, India and kew East, Australia. Their services include Mobile App Development and Web Development.

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  • Netedge Technology Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    40% IT Managed Services
    20% Mobile App Development +2
    10% Custom Software Development
    10% IoT Development

    Focus Areas

    10% JavaScript
    15% PHP
    10% AJAX +8
    10% ASP.NET
    10% Java
    10% Python
    10% SQL
    10% Swift
    5% C#
    5% Other programming & scripting languages
    5% Perl

    Netedge Technology is an IT managed services company. Founded in 2004, the company offers IT managed services and Mobile App Development.

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  • Acwits Solutions LLP Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% E-Commerce Development
    10% Mobile App Development +11
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    5% Business Consulting
    5% Graphic Design
    5% Logo
    5% Mobile & App Marketing
    5% Packaging Design
    5% Print Design
    5% UX/UI Design
    5% Web Design

    Focus Areas

    20% JavaScript
    30% ASP.NET
    20% AJAX +2
    20% SQL
    10% PHP

    Acwits Solutions LLP is a social media marketing agency. They provide Social Media Marketing and Search Engine Optimization and were established in 2016. The agency is based in Noida, India.

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  • Miraculous Soft Solutions Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Flowood, MS

    Services provided

    20% Web Development
    45% Custom Software Development
    15% Search Engine Optimization +2
    10% Mobile App Development
    10% Web Design

    Focus Areas

    10% JavaScript
    20% Python
    10% ASP.NET +10
    10% PHP
    10% Visual Basic
    5% HTML5
    5% Java
    5% Other programming & scripting languages
    5% Ruby
    5% SQL
    5% Swift
    5% Typescript
    5% jquery

    Miraculous Soft Solutions, a custom software development company, is in SAS Nagar, Mohali, Punjab, India and Flowood, Mississippi. They provide Custom Software Development and Web Development.

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  • Estro Digital Communications Logotype

    Not yet reviewed

    $10,000+
    $200 - $300 / hr
    10 - 49
    Westwood, NJ

    Services provided

    10% Web Development
    25% CRM Consulting and SI
    20% Advertising +6
    10% Digital Strategy
    10% Pay Per Click
    10% Social Media Marketing
    5% Branding
    5% Custom Software Development
    5% Market Research

    Focus Areas

    20% JavaScript
    20% HTML5
    15% Java +4
    15% XML
    10% PHP
    10% Python
    10% jquery

    Estro Digital Communications is a CRM consulting and SI company established in 2011. Their team specializes in CRM consulting and SI and Advertising.

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  • BIGZIEL Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Chennai, India

    Services provided

    10% Web Development
    20% E-Commerce Development
    20% Mobile App Development +5
    15% UX/UI Design
    10% Application Testing
    10% Custom Software Development
    10% Other Application Development
    5% Wearable App Development

    Focus Areas

    20% JavaScript
    20% PHP
    10% AJAX +5
    10% Ember.js
    10% Objective C
    10% Other programming & scripting languages
    10% Python
    10% Swift

    Established in 2015, BIGZIEL is a small application development firm. Their services include Mobile App Development and E-Commerce Development.

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  • MD3 - Development, Outsourcing & Design Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    35% IT Staff Augmentation
    25% Custom Software Development +2
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    60% Python
    20% PHP +1
    10% C++

    MD3 - Development, Outsourcing & Design is an IT staff augmentation company in Leiria, Portugal and Leiria, Portugal. Their services include IT staff augmentation and Custom Software Development.

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  • SUDO Technologies LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    دبي, United Arab Emirates

    Services provided

    20% Web Development
    40% Mobile App Development
    20% Custom Software Development +2
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% PHP +6
    20% Swift
    10% Python
    5% AJAX
    5% C#
    5% Objective C
    5% Other programming & scripting languages

    SUDO Technologies LLC is a small mobile app development firm based in دبي, United Arab Emirates. The team focuses on Mobile App Development and Custom Software Development.

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  • COPRINF Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Santa Fe, Argentina

    Services provided

    20% Web Development
    15% IT Staff Augmentation
    10% E-Commerce Development +7
    10% Graphic Design
    10% IoT Development
    10% Mobile App Development
    10% Other IT Consulting and SI
    5% Logo
    5% UX/UI Design
    5% Web Design

    Focus Areas

    10% JavaScript
    50% Other programming & scripting languages
    20% Python +2
    10% PHP
    10% SQL

    COPRINF is a website development company founded in 2011. Their services include Web Development and IT staff augmentation.

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  • Squarei Technologies Inc Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Fort Collins, CO

    Services provided

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

    Focus Areas

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

    Custom software development firm Squarei Technologies Inc is headquartered in Fort Collins, Colorado. The team offers Custom Software Development and Web Development.

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  • SankalpIT Services Pvt. Ltd. Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    70% IT Strategy Consulting
    10% IT Staff Augmentation +2
    5% HR Consulting
    5% Social Media Marketing

    Focus Areas

    20% JavaScript
    30% PHP
    20% ASP.NET +2
    20% C#
    10% Typescript

    SankalpIT Services Pvt. Ltd. Is an IT strategy consulting company. Their team is located in Sahibzada Ajit Singh Nagar, India. The company focuses on IT strategy consulting and IT staff

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  • Trabsky | Software House & Business Automation Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    24% Custom Software Development
    20% Mobile App Development +6
    20% Web Design
    10% E-Commerce Development
    2% Application Management & Support
    2% Application Testing
    1% Mobile & App Marketing
    1% Other Application Development

    Focus Areas

    10% JavaScript
    30% Java
    20% Python +5
    15% C#
    10% PHP
    10% SQL
    3% Other programming & scripting languages
    2% AJAX

    Trabsky | Software House & Business Automation is a small custom software development firm launched in 2018. Their team specializes in Custom Software Development and Mobile App Development.

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  • Digital Marketing Company in Mumbai - Brandstorydigital Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Mumbai, India

    Services provided

    10% Web Development
    10% Advertising
    10% Business Consulting +10
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design
    5% Affiliate Marketing
    5% Branding
    5% Content Marketing
    5% Conversion Optimization
    5% Email Marketing
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    50% PHP
    10% Other programming & scripting languages +2
    10% SQL
    10% XML

    Digital Marketing Company in Mumbai - Brandstorydigital is an Advertising company in Mumbai, India. They specialize in Advertising and Social Media Marketing and were established in 2012.

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  • Orimark Technologies Pvt Ltd Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Other Digital Marketing
    10% Advertising +6
    10% Custom Software Development
    10% E-Commerce Development
    10% Mobile & App Marketing
    10% Mobile App Development
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    20% JavaScript
    20% Java
    20% Other programming & scripting languages +2
    20% PHP
    20% XML

    Orimark Technologies Pvt Ltd is an Other Digital Marketing company. The Bhubaneswar, India-based agency provides Other Digital Marketing and Advertising.

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  • CHAINSTEP Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Hamburg, Germany

    Services provided

    10% Web Development
    40% Blockchain
    20% IoT Development +3
    10% Business Consulting
    10% Cloud Consulting & SI
    10% Custom Software Development

    Focus Areas

    20% JavaScript
    20% C#
    20% Java +2
    20% SQL
    20% Typescript

    Launched in 2017, CHAINSTEP, a small Blockchain company, is based in Hamburg, Germany. Their team offers Blockchain and IoT development.

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  • 3Rare Dynamics Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Call Center Services
    20% E-Commerce Development +3
    20% Mobile App Development
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    10% JavaScript
    10% Ember.js
    10% Java +7
    10% Objective C
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% Redux
    10% Typescript
    10% UnrealScript

    Launched in 2022, 3Rare Dynamics is a small web design agency in Kolkata, India. Their team specializes in Web Design and Web Development.

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  • Kaalo LLC Logotype

    Not yet reviewed

    $100,000+
    $200 - $300 / hr
    10 - 49
    Austin, TX

    Services provided

    10% Web Development
    30% AR/VR Development
    30% Product Design +3
    10% Custom Software Development
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    20% PHP
    20% Swift +4
    10% C#
    10% Java
    10% Kotlin
    10% Other programming & scripting languages

    Kaalo LLC is a Product Design company. They offer Product Design and AR/VR development and are located in Austin, Texas.

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  • Digital Magic Touch Logotype

    Digital Magic Touch

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Search Engine Optimization
    5% Advertising +29
    5% Branding
    5% E-Commerce Development
    5% Graphic Design
    5% Logo
    5% Mobile & App Marketing
    5% Pay Per Click
    5% Product Marketing
    5% Social Media Marketing
    5% Video Marketing
    5% Web Design
    2% Content Marketing
    2% Digital Strategy
    2% Ecommerce Marketing
    2% IT Managed Services
    2% Marketing Strategy
    2% Media Planning & Buying
    1% Affiliate Marketing
    1% CRM Consulting and SI
    1% Conversion Optimization
    1% Cybersecurity
    1% Email Marketing
    1% IT Strategy Consulting
    1% Market Research
    1% Mobile App Development
    1% Other Digital Marketing
    1% Packaging Design
    1% Print Design
    1% UX/UI Design
    1% Video Production

    Focus Areas

    20% JavaScript
    20% Java
    20% PHP +4
    15% HTML5
    10% ASP.NET
    10% XML
    5% C++

    Founded in 2022, Digital Magic Touch, a small SEO company, is based in Teulon, Canada and Surrey, Canada. Their team focuses on Search Engine Optimization and Web Development.

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  • Ebslon Infotech Pvt Ltd Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% CRM Consulting and SI
    20% Digital Strategy +2
    20% E-Commerce Development
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Ember.js +7
    10% HTML5
    10% PHP
    10% Python
    10% Redux
    10% SQL
    10% Typescript
    10% XML

    Headquartered in New Delhi, India, Ebslon Infotech Pvt Ltd is a small Digital Strategy company. Their services include Digital Strategy and CRM consulting and SI.

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  • Techcmantix Technologies Pvt Ltd Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Custom Software Development
    10% Mobile App Development +11
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design
    5% API Development
    5% Content Marketing
    5% Digital Strategy
    5% E-Commerce Development
    5% Graphic Design
    5% Pay Per Click
    5% Performance Marketing
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    50% PHP
    10% HTML5 +2
    10% Python
    10% SQL

    Techcmantix Technologies Pvt Ltd, a social media marketing agency, was founded in 2006. The small team specializes in Social Media Marketing and Search Engine Optimization.

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  • Teqfocus Consulting LLC Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    50 - 249
    Toronto, Canada

    Services provided

    15% Web Development
    30% CRM Consulting and SI
    20% Custom Software Development +3
    15% Cloud Consulting & SI
    10% Business Consulting
    10% Enterprise App Modernization

    Focus Areas

    10% JavaScript
    15% ASP.NET
    15% ColdFusion +6
    15% Python
    10% Apex
    10% Java
    10% PHP
    10% Visual Basic
    5% Other programming & scripting languages

    Teqfocus Consulting LLC offers a range of IT consulting services, including software development, quality assurance, and user interface design. Reviews highlight their ability to deliver comprehensive solutions such as fully developed applications, live sites, and monitoring dashboards. Feedback is generally positive, emphasizing their good value for cost and effective communication.

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  • Pointel Inc Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Edison, NJ

    Services provided

    10% Web Development
    60% CRM Consulting and SI
    10% Business Continuity Management +3
    10% Unified Communications Consulting & SI
    5% Application Management & Support
    5% Application Testing

    Focus Areas

    15% JavaScript
    25% Java
    20% ASP.NET +4
    10% AJAX
    10% PHP
    10% SQL
    10% XML

    Pointel Inc is a CRM consulting and SI company. The team focuses on CRM consulting and SI and unified communications consulting & SI, and the firm is in Edison, New Jersey.

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  • Brown Deck Innovations Logotype

    Not yet reviewed

    $5,000+
    Undisclosed
    50 - 249
    Los Altos, CA

    Services provided

    15% Web Development
    20% Custom Software Development
    15% Mobile App Development +6
    10% E-Commerce Development
    10% UX/UI Design
    10% Wearable App Development
    10% Web Design
    5% CRM Consulting and SI
    5% ERP Consulting and SI

    Focus Areas

    10% JavaScript
    20% Java
    20% Objective C +4
    20% Swift
    10% ASP.NET
    10% PHP
    10% SQL

    Founded in 2011, Brown Deck Innovations is a software development firm. The team specializes in Custom Software Development and Mobile App Development and is located in Los Altos, California.

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  • Estech Digital Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    50 - 249
    Los Angeles, CA

    Services provided

    15% Web Development
    15% Custom Software Development
    15% E-Commerce Development +7
    15% Mobile App Development
    10% UX/UI Design
    10% Web Design
    5% Branding
    5% Mobile & App Marketing
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

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

    Estech Digital is a software development firm founded in 2015. Based in Los Angeles, California and London, England, the team provides Custom Software Development and Web Development.

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  • Introduct Group Logotype

    Not yet reviewed

    $100,000+
    $50 - $99 / hr
    50 - 249
    Kyiv, Ukraine

    Services provided

    15% Web Development
    20% Application Testing
    15% Custom Software Development +5
    15% Mobile App Development
    15% Other Application Development
    10% Low/No Code Development
    5% Call Center Services
    5% E-Commerce Development

    Focus Areas

    10% JavaScript
    15% Java
    15% Kotlin +10
    10% Elixir
    10% Typescript
    5% ASP.NET
    5% C#
    5% Go
    5% PHP
    5% Python
    5% SQL
    5% Swift
    5% XML

    Introduct Group is a Kyiv, Ukraine-based software development firm. Established in 2017, the team provides Custom Software Development and Application Testing.

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  • T2S Tecnologia Logotype

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    50 - 249
    Santos, Brazil

    Services provided

    15% Web Development
    15% API Development
    10% Application Management & Support +6
    10% Application Testing
    10% BI & Big Data Consulting & SI
    10% Custom Software Development
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    10% C#
    10% Java +11
    10% PHP
    10% Python
    10% SQL
    5% ASP
    5% ASP.NET
    5% C
    5% C++
    5% HTML5
    5% Typescript
    5% XML
    5% jquery

    T2S Tecnologia is a website development firm. Launched in 2003, the team specializes in Web Development and API Development.

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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 Brainhub
4 The Software House
5 Xmartlabs
6 Airdev
7 WPWeb Infotech
8 Lizard Global
9 PopArt Studio
10 Softonix
11 GeekyAnts
12 INOXOFT
13 Scopic
14 HTMLPanda
15 Vention

List of the Top 15 JavaScript Development Companies

  1. 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
  2. xfive Logotype

    xfive

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

    Ability to deliver

    39.3/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  3. Brainhub Logotype

    Brainhub

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

    Ability to deliver

    39.3/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    45% Web Development
    75% JavaScript
    55% Other
    View Profile Visit Website
  4. 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
  5. 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
  6. Airdev Logotype

    Airdev

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

    Ability to deliver

    38.5/40.0
    19.2/20 Reviews
    9.6/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  7. 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
  8. 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
  9. 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
  10. Softonix Logotype

    Softonix

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

    Ability to deliver

    36.3/40.0
    17.4/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

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

    INOXOFT

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

    Ability to deliver

    39.6/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  13. Scopic Logotype

    Scopic

    $10,000+
    $50 - $99 / hr
    250 - 999
    Marlborough, MA

    Ability to deliver

    39.3/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    25% Web Development
    25% JavaScript
    75% Other
    View Profile Visit Website
  14. 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
  16. SpdLoad Logotype

    SpdLoad

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

    Ability to deliver

    36.4/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  17. 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
  18. 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
  19. Incora Logotype

    Incora

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

    Ability to deliver

    37/40.0
    18/20 Reviews
    10/10 Clients & Experience
    9/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  20. Toptal Logotype

    Toptal

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

    Ability to deliver

    38.3/40.0
    18.4/20 Reviews
    9.9/10 Clients & Experience
    10/10 Market Presence

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  21. 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
  22. 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
  23. Blazity Logotype

    Blazity

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

    Ability to deliver

    37.5/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    50% Web Development
    70% JavaScript
    50% Other
    View Profile Visit Website
  24. Experion Technologies Logotype

    Experion Technologies

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

    Ability to deliver

    36.5/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    20% Web Development
    25% JavaScript
    80% 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. 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
  27. XWP Logotype

    XWP

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

    Ability to deliver

    35.5/40.0
    15.8/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  28. Flowout Logotype

    Flowout

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

    Ability to deliver

    36.1/40.0
    20/20 Reviews
    10/10 Clients & Experience
    6.1/10 Market Presence

    Service focus

    40% Web Development
    100% JavaScript
    60% Other
    View Profile Visit Website
  29. Sigma Software Group Logotype

    Sigma Software Group

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

    Ability to deliver

    37.6/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    21% Web Development
    18% JavaScript
    79% Other
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  30. Merixstudio Logotype

    Merixstudio

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

    Ability to deliver

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

    Service focus

    50% Web Development
    10% JavaScript
    50% 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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