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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: April 1, 2026
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15 Leaders 15 Contenders

21,843 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), 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.

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    Reviews mention Easy to work with

    The feedback regarding the sentiment 'Easy to work with' is overwhelmingly positive. Clients have praised Digis for their responsiveness and professionalism, noting that they are 'very responsive to client needs' and 'easy to work with.' One client highlighted the quick onboarding process facilitated by their account manager, while another appreciated their proactive approach in seeking feedback to enhance collaboration. Overall, the sentiment reflects a strong alignment with client expectations and satisfaction.
    • Software Development for Tech Job Matching Company
      5.0 Mar 31, 2022

      I think they have been an amazing addition to our team. Very hard working and easy to get along with. I think they are super hard working, professional, friendly and delivers on time. We are very happy with Digis.

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    • E-Commerce Dev for Digital Commerce Agency
      5.0 Mar 23, 2022

      Digis was a business-oriented team. It was easy to find a common language. Always ready to help.

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    • Software Development for Fintech Company
      3.5 Sep 9, 2021

      They were very professional and easy to work with. They ask for feedback often, making strides to incorporate feedback in our day-to-day collaboration.

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    • Web Dev for Job Advertising Platform
      5.0 Jun 30, 2017

      I like their working style and project management. Do IT has handled this from a business point of view, which meant that I didn’t have to be extremely tech-savvy to work with them.

      Read Full Review
    • Recruitment Process Outsourcing for Wellness & Fitness Co
      5.0 Jan 22, 2026

      They're an excellent partner — easy to work with and very responsive to client needs. We communicate via virtual meetings, emails, and messaging apps.

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    4 of 4 reviews are 5 stars
    2 new reviews for Web Development services
    $10,000 – $49,000 avg. project cost

    Reviewed 4 times in the past 6 months

    In the past six months, clients have provided overwhelmingly positive feedback regarding Digis, a Fiverr company (NYSE: FVRR). Customers praised the team's responsive communication and effective project management, noting significant improvements in project turnaround times and overall site performance. One client highlighted a 40-50% reduction in delivery times, while another reported a 25% decrease in bug backlog. Overall, clients expressed satisfaction with the quality of work and alignment with their values, with no noted areas for improvement.
    Read 4 Recent 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
    $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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  • 1NOC Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    50% IT Managed Services
    30% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    55% SQL
    15% Python +3
    10% C++
    5% Java
    5% Other programming & scripting languages

    1NOC is an IT managed services company. They focus on IT managed services and IT strategy consulting and are headquartered in Boca Raton, Florida.

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  • CBOS (PTY) LTD Logotype

    CBOS (PTY) LTD

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AI Development
    20% Cloud Consulting & SI +2
    20% Custom Software Development
    20% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    15% C#
    15% HTML5 +6
    15% Python
    15% SQL
    15% Typescript
    5% Other programming & scripting languages
    5% Swift
    5% XML

    CBOS (PTY) LTD is an IT strategy consulting company. The Cape Town, South Africa-based company was established in 2014. Their team focuses on IT strategy consulting and cloud consulting & SI.

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  • Rezolv Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    10 - 49
    Hasselt, Belgium

    Services provided

    20% Web Development
    20% Business Consulting
    20% Custom Software Development +2
    20% ERP Consulting and SI
    20% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    60% Python
    10% HTML5 +3
    10% SQL
    5% Typescript
    5% XML

    Rezolv is a small Hasselt, Belgium-based IT strategy consulting company. Their services include IT strategy consulting and ERP consulting and SI.

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  • Whatdahack?! 👨‍💻🦾 🧠⌚🚀💸🏆 Logotype

    5.0 1 review
    $10,000+
    $25 - $49 / hr
    10 - 49
    London, England

    Services provided

    10% Web Development
    30% Blockchain
    10% AI Development +6
    10% AR/VR Development
    10% Custom Software Development
    10% Low/No Code Development
    10% Mobile App Development
    5% Enterprise App Modernization
    5% Robotics Process Automation

    Focus Areas

    21% JavaScript
    16% Python
    11% C++ +7
    11% Go
    11% PHP
    10% SQL
    5% ASP.NET
    5% HTML5
    5% Redux
    5% Typescript

    Whatdahack?! 👨‍💻🦾 🧠⌚🚀💸🏆 specializes in developing blockchain-based solutions with a focus on tokenized loyalty systems, DApps, and secure API integrations. Reviews highlight their proficiency in rapid prototyping, agile project management, and robust security measures. Clients commend their technical expertise and ability to exceed expectations, especially in complex infrastructure projects, while maintaining seamless and secure operational capabilities.

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  • AIKIT Digital Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    50 - 249
    New York, NY

    Services provided

    15% Web Development
    30% IT Staff Augmentation
    25% Custom Software Development +4
    10% HR Consulting
    10% UX/UI Design
    5% AI Development
    5% IoT Development

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C++ +17
    10% Java
    9% PHP
    5% C#
    5% Perl
    4% Objective C
    4% Python
    4% Ruby
    4% SQL
    4% Swift
    4% Visual Basic
    4% XML
    3% ColdFusion
    3% Delphi
    2% AJAX
    2% ASP
    2% Apex
    1% C

    AIKIT Digital is a New York, New York-based IT staff augmentation company. The team offers IT staff augmentation and Custom Software Development.

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  • 2IIO Digital Consulting Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    Freelancer
    Vancouver, Canada

    Services provided

    20% Web Development
    20% Content Marketing
    20% Digital Strategy +2
    20% Marketing Strategy
    20% Social Media Marketing

    Focus Areas

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

    Established in 2019, 2IIO Digital Consulting is a small Vancouver, Canada-based Content Marketing company. Their services include Content Marketing and Digital Strategy.

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  • WebSolutions Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    50 - 249
    London, England

    Services provided

    15% Web Development
    20% Mobile App Development
    20% Web Design +5
    10% E-Commerce Development
    10% Pay Per Click
    10% Social Media Marketing
    10% UX/UI Design
    5% Search Engine Optimization

    Focus Areas

    10% JavaScript
    20% Kotlin
    20% PHP +3
    20% Swift
    15% AJAX
    15% SQL

    WebSolutions is a web design company launched in 2009. The midsize team focuses on Web Design and Mobile App Development.

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  • zahurul.com Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    Freelancer
    Dhaka, Bangladesh

    Services provided

    30% Web Development
    20% E-Commerce Development
    20% Web Design +3
    10% Graphic Design
    10% Logo
    10% Mobile App Development

    Focus Areas

    20% JavaScript
    50% PHP
    20% AJAX +1
    10% SQL

    Founded in 2007, zahurul.com is a web development company. The team focuses on Web Development and E-Commerce Development.

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  • Blue Bean Studios Logotype

    Blue Bean Studios

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    Freelancer

    Services provided

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

    Focus Areas

    30% JavaScript
    70% Other programming & scripting languages

    Blue Bean Studios is a small Portage, Michigan-based software development company. Their services include Custom Software Development and UX/UI Design.

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  • SolutionChamps Technologies Pvt Ltd Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    50 - 249
    Coimbatore, India

    Services provided

    15% Web Development
    15% Custom Software Development
    15% Mobile App Development +11
    10% AI Development
    10% E-Commerce Development
    10% IoT Development
    5% Cloud Consulting & SI
    5% IT Strategy Consulting
    4% UX/UI Design
    3% Digital Strategy
    3% Search Engine Optimization
    3% Social Media Marketing
    1% Application Testing
    1% Branding

    Focus Areas

    10% JavaScript
    15% Python
    12% Typescript +13
    10% C#
    10% PHP
    10% SQL
    5% ASP.NET
    5% C++
    5% Java
    3% AJAX
    3% C
    3% Swift
    3% XML
    2% ASP
    2% Objective C
    2% Other programming & scripting languages

    SolutionChamps Technologies Pvt Ltd is a custom software development firm established in 2016. The team offers Custom Software Development and Mobile App Development.

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  • PRIXIMA Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    Freelancer
    Wrocław, Poland

    Services provided

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

    Focus Areas

    30% JavaScript
    40% HTML5
    20% PHP +1
    10% SQL

    PRIXIMA, a social media marketing firm, is in Wrocław, Poland. Their services include Social Media Marketing and Search Engine Optimization.

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  • ADTECH Corp. Logotype

    ADTECH Corp.

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249

    Services provided

    10% Web Development
    15% ERP Consulting and SI
    10% Cloud Consulting & SI +8
    10% Custom Software Development
    10% DevOps Managed Services
    10% Enterprise App Modernization
    10% IT Managed Services
    10% Mobile App Development
    5% Generative AI
    5% IT Strategy Consulting
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    25% ASP.NET
    15% Ember.js +4
    15% SQL
    15% XML
    10% jquery
    5% ASP

    Established in 2015, ADTECH Corp., a midsize ERP consulting and SI company, is located in and Nanakaramguda, India. Their services include ERP consulting and SI and cloud consulting & SI.

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  • Flairtek Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    50 - 249
    Nagpur, India

    Services provided

    10% Web Development
    15% E-Commerce Development
    15% Search Engine Optimization +6
    10% Custom Software Development
    10% Ecommerce Marketing
    10% Low/No Code Development
    10% Mobile App Development
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    15% JavaScript
    30% PHP
    20% AJAX +2
    20% HTML5
    15% SQL

    Flairtek is a Nagpur, India-based SEO agency. They offer Search Engine Optimization and Web Design and were launched in 2007.

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  • Jitesh Patel Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    Freelancer
    Kolkata, India

    Services provided

    35% Web Development
    35% AI Development
    30% BI & Big Data Consulting & SI

    Focus Areas

    15% JavaScript
    20% PHP
    20% Python +3
    15% C++
    15% HTML5
    15% jquery

    Website development firm Jitesh Patel is headquartered in Kolkata, India. They focus on Web Development and Artificial Intelligence and were founded in 2014.

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  • The Speed of Web Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    Freelancer
    Ewa Beach, HI

    Services provided

    40% Web Development
    40% Web Design
    20% IT Managed Services

    Focus Areas

    10% JavaScript
    70% PHP
    10% HTML5 +1
    10% SQL

    Web design agency Da Hawaii Website Guy was established in 2018. The firm focuses on Web Design and Web Development.

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  • CoderMask Tech Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    50 - 249
    Austin, TX

    Services provided

    15% Web Development
    25% Search Engine Optimization
    15% E-Commerce Development +4
    15% Pay Per Click
    15% Web Design
    10% Social Media Marketing
    5% Mobile & App Marketing

    Focus Areas

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

    CoderMask Tech is an Austin, Texas-based SEO agency. The team offers Search Engine Optimization and Pay Per Click.

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  • Araptus.com Logotype

    Not yet reviewed

    $5,000+
    $200 - $300 / hr
    Freelancer
    Alvin, TX

    Services provided

    20% Web Development
    20% Custom Software Development
    20% E-Commerce Development +2
    20% Mobile App Development
    20% Search Engine Optimization

    Focus Areas

    30% JavaScript
    30% Typescript
    20% Rust +2
    10% Python
    10% SQL

    Araptus.com is a SEO company established in 2009. The small team focuses on Search Engine Optimization and Custom Software Development.

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  • Trusty Studio Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    Freelancer
    Thorigny-sur-Marne, France

    Services provided

    30% Web Development
    20% E-Commerce Development
    20% Web Design +2
    15% AI Development
    15% Generative AI

    Focus Areas

    20% JavaScript
    20% HTML5
    20% PHP +4
    15% SQL
    15% jquery
    5% Python
    5% Typescript

    Established in 2021, Trusty Studio, a small web development firm, is headquartered in Thorigny-sur-Marne, France. Their services include Web Development and Web Design.

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  • IDEA TO IMPLEMENTATION INFOTECH Logotype

    5.0 1 review
    $1,000+
    Undisclosed
    10 - 49
    Surat, India

    Services provided

    10% Web Development
    15% Application Management & Support
    15% Blockchain +6
    15% Mobile App Development
    10% Custom Software Development
    10% E-Commerce Development
    10% Low/No Code Development
    10% UX/UI Design
    5% Other Application Development

    Focus Areas

    10% JavaScript
    15% Other programming & scripting languages
    10% Java +10
    10% Kotlin
    10% Redux
    10% Swift
    5% AJAX
    5% Objective C
    5% PHP
    5% Python
    5% Ruby
    5% SQL
    5% Typescript

    IDEA TO IMPLEMENTATION INFOTECH provides app development services, including UX/UI design and development for both iOS and Android platforms. Their reviews highlight the company's ability to deliver stable, high-quality applications and their strong project management practices, emphasizing clear communication and adherence to budget constraints. The ongoing partnership with a client demonstrates their reliability and commitment to long-term relationships.

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  • Weboptify Logotype

    5.0 1 review
    Undisclosed
    < $25 / hr
    Freelancer
    Bengaluru, India

    Services provided

    30% Web Development
    30% Other Digital Marketing
    30% Web Design +4
    4% Mobile App Development
    2% Pay Per Click
    2% Search Engine Optimization
    2% Social Media Marketing

    Focus Areas

    25% JavaScript
    70% PHP
    5% XML

    Weboptify specializes in Website Development, Web Design, and other online development services. Clients consistently praise their effective communication, proficient project management, and timely delivery of projects, specifically highlighting their expertise in technologies like WordPress, PHP, HTML, CSS, and JavaScript. Reviewers are particularly impressed with their ability to deliver projects within deadlines and maintain excellent customer interactions.

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  • Captain Code Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    Freelancer
    Hialeah, FL

    Services provided

    25% Web Development
    15% Video Production
    10% Custom Software Development +7
    10% E-Commerce Development
    10% Mobile App Development
    10% Web Design
    5% Corporate Photography
    5% Graphic Design
    5% Logo
    5% Search Engine Optimization

    Focus Areas

    30% JavaScript
    20% Kotlin
    20% Python +2
    20% Swift
    10% PHP

    Website development company Captain Code focuses on Web Development and Video Production. They are based in Hialeah, Florida.

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  • Zen Dezines Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    Freelancer
    Butuan City, Philippines

    Services provided

    30% Web Development
    25% E-Commerce Development
    10% Web Design +7
    5% Conversion Optimization
    5% Email Marketing
    5% Graphic Design
    5% Logo
    5% Other Digital Marketing
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    25% JavaScript
    50% PHP
    25% SQL

    Zen Dezines is a small website development firm. They focus on Web Development and E-Commerce Development and were established in 2014.

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  • SGC Ventures Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    50 - 249
    London, England

    Services provided

    10% Web Development
    15% Blockchain
    15% Business Consulting +5
    15% E-Commerce Development
    15% Mobile App Development
    10% AR/VR Development
    10% Custom Software Development
    10% IT Strategy Consulting

    Focus Areas

    13% JavaScript
    13% Ember.js
    13% PHP +5
    13% Python
    13% Redux
    13% Ruby
    12% SQL
    10% Kotlin

    App development firm SGC Ventures was founded in 2011. The team focuses on Mobile App Development and E-Commerce Development.

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  • Infotech IT Group Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    Freelancer
    Sonipat, India

    Services provided

    35% Web Development
    40% Web Design
    10% Advertising +3
    5% Mobile App Development
    5% Pay Per Click
    5% Social Media Marketing

    Focus Areas

    20% JavaScript
    30% PHP
    30% SQL +2
    10% AJAX
    10% Java

    Infotech IT Group is a web design agency. They offer Web Design and Web Development and are in Sonipat, India.

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  • Span Fusion Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    Freelancer
    Springs, South Africa

    Services provided

    25% Web Development
    40% Web Design
    20% Search Engine Optimization +2
    10% Graphic Design
    5% Conversion Optimization

    Focus Areas

    30% JavaScript
    30% PHP
    15% C++ +3
    15% SQL
    5% AJAX
    5% C#

    Based in Springs, South Africa, Span Fusion is a web design company. Their services include Web Design and Web Development.

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  • Techcedence Infosystems Pvt Ltd Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    50 - 249
    Eastvale, CA

    Services provided

    10% Web Development
    20% Cloud Consulting & SI
    20% Custom Software Development +4
    20% IT Staff Augmentation
    10% Application Management & Support
    10% Application Testing
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +9
    10% Java
    10% Kotlin
    10% Redux
    10% SQL
    10% Typescript
    5% Objective C
    5% PHP
    5% Python
    5% Swift

    Techcedence Infosystems Pvt Ltd is a cloud consulting & SI company. Located in Gounder Mills, India and Eastvale, California, the team focuses on cloud consulting & SI and IT staff augmentation.

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  • DSG WEB Logotype

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    Freelancer
    Volendam, Netherlands

    Services provided

    35% Web Development
    35% E-Commerce Development
    30% Application Management & Support

    Focus Areas

    20% JavaScript
    40% PHP
    20% HTML5 +2
    10% AJAX
    10% SQL

    Based in Volendam, Netherlands, DSG WEB is a web development company. Founded in 2020, the team offers Web Development and E-Commerce Development.

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  • Greyslate Technologies Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Mobile App Development
    10% Custom Software Development +4
    10% E-Commerce Development
    10% Low/No Code Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    25% PHP
    15% Python +5
    10% AJAX
    10% ASP.NET
    10% Java
    10% SQL
    10% Visual Basic

    Greyslate Technologies, a web development company, was founded in 2016. The company specializes in Web Development and Mobile App Development.

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  • Smartless Agency Logotype

    Smartless Agency

    5.0 1 review
    $1,000+
    $50 - $99 / hr
    10 - 49

    Services provided

    15% Web Development
    15% Mobile App Development
    10% Business Consulting +6
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% E-Commerce Development
    10% Low/No Code Development
    10% Search Engine Optimization
    10% Web Design

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C +7
    10% C++
    10% Java
    10% Kotlin
    10% PHP
    10% Perl
    10% Python
    10% SQL

    Smartless Agency offers Website Development and Web Design services, specializing in creating and optimizing websites for search engine ranking. The overall feedback highlights their effective project management, adherence to deadlines, and successful generation of online traffic and client inquiries. The agency is praised for their attentive communication and ongoing collaboration.

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  • Vastcore Logotype

    Vastcore

    5.0 1 review
    $1,000+
    $100 - $149 / hr
    10 - 49

    Services provided

    15% Web Development
    40% Web Design
    15% Branding +3
    15% Digital Strategy
    10% UX/UI Design
    5% Product Marketing

    Focus Areas

    10% JavaScript
    50% PHP
    15% HTML5 +3
    10% SQL
    10% XML
    5% AJAX

    Vastcore provides comprehensive digital marketing services, including website development, sales and scheduling portal integration, Facebook advertising, printables, and branding. The overall feedback highlights their exceptional personal service, effective communication, and significant positive impact on business growth with measurable outcomes like increased sales and low cost per conversion.

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  • PAPAYA CODERS PRIVATE LIMITED Logotype

    5.0 1 review
    $1,000+
    $50 - $99 / hr
    10 - 49
    Lucknow, India

    Services provided

    10% Web Development
    20% Mobile App Development
    10% API Development +7
    10% Application Management & Support
    10% E-Commerce Development
    10% IT Managed Services
    10% Low/No Code Development
    10% Web Design
    5% IT Strategy Consulting
    5% Search Engine Optimization

    Focus Areas

    10% JavaScript
    10% Java
    10% Kotlin +12
    10% Other programming & scripting languages
    10% PHP
    5% AJAX
    5% ASP.NET
    5% HTML5
    5% Objective C
    5% Python
    5% SQL
    5% Swift
    5% Typescript
    5% XML
    5% jquery

    Papaya Coders is a platform for mobile app developer and web developer. We are Best App Development Company to provide programming guides, tech updates, software, top picks, development, tutorials,

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  • AHK Soft Logotype

    AHK Soft

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49

    Services provided

    10% Web Development
    10% Custom Software Development
    5% AI Agents +15
    5% API Development
    5% Business Consulting
    5% CRM Consulting and SI
    5% Call Center Services
    5% Email Marketing
    5% Graphic Design
    5% IT Managed Services
    5% IT Strategy Consulting
    5% Mobile & App Marketing
    5% Mobile App Development
    5% Other Digital Marketing
    5% Pay Per Click
    5% SMS Marketing
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    10% PHP
    5% AJAX +20
    5% ASP
    5% ASP.NET
    5% C
    5% C#
    5% C++
    5% HTML5
    5% Java
    5% Kotlin
    5% Other programming & scripting languages
    5% Python
    5% SQL
    5% Visual Basic
    5% jquery
    3% Perl
    2% Swift
    1% Ember.js
    1% Objective C
    1% Redux
    1% Ruby
    1% XML

    Website development company AHK Soft is headquartered in Karachi, Pakistan. Their services include Web Development and Custom Software Development.

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  • Future Mediatrix Group Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Social Media Marketing
    15% Video Production +7
    10% Search Engine Optimization
    10% Web Design
    5% Digital Strategy
    5% Graphic Design
    5% Logo
    5% Pay Per Click
    5% UX/UI Design

    Focus Areas

    11% JavaScript
    32% PHP
    26% ASP.NET +3
    21% SQL
    5% C++
    5% XML

    Social media marketing company Future Mediatrix Group is located in Jakarta, Indonesia. Established in 2009, the team offers Social Media Marketing and Video Production.

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  • Yigsoft Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    60% Mobile App Development
    10% AI Development +2
    10% AR/VR Development
    10% Custom Software Development

    Focus Areas

    14% JavaScript
    29% Python
    15% Java +3
    14% C
    14% C#
    14% C++

    Yigsoft, an app development firm, is headquartered in Budapest, Hungary. They offer Mobile App Development and Custom Software Development and were established in 2021.

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  • Uniorbit Logotype

    Uniorbit

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Branding
    10% Content Marketing +7
    10% Custom Software Development
    10% Ecommerce Marketing
    10% Pay Per Click
    10% Product Design
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design

    Focus Areas

    15% JavaScript
    35% PHP
    35% SQL +2
    10% Typescript
    5% HTML5

    Uniorbit is a branding agency. The team focuses on Branding and Social Media Marketing and is headquartered in Jaipur City, India.

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  • Ruah Tech Sloutions Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    50 - 249
    Chennai, India

    Services provided

    10% Web Development
    30% AI Development
    10% API Development +5
    10% AR/VR Development
    10% Application Management & Support
    10% Blockchain
    10% IT Managed Services
    10% Mobile App Development

    Focus Areas

    13% JavaScript
    13% C
    13% C# +5
    13% C++
    13% Java
    13% UnrealScript
    12% Typescript
    10% HTML5

    Ruah Tech Sloutions is an AI firm. Founded in 2015, their team provides Artificial Intelligence and IT managed services.

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  • Rosalind IT Services Inc Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Digital Strategy
    10% Blockchain +6
    10% Branding
    10% Content Marketing
    10% ERP Consulting and SI
    10% Mobile App Development
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP.NET +8
    10% C#
    10% HTML5
    10% Python
    10% Redux
    10% Typescript
    10% XML
    5% Kotlin
    5% PHP

    Rosalind IT Services Inc, a Digital Strategy company, focuses on Digital Strategy and Branding. The agency is located in Staten Island, New York.

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  • Quadarc Multimedia Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    50% Web Design
    15% Graphic Design +1
    15% UX/UI Design

    Focus Areas

    20% JavaScript
    30% ASP.NET
    20% AJAX +2
    20% HTML5
    10% SQL

    Small web design company Quadarc Multimedia, is based in Coventry, England. Their services include Web Design and Web Development.

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  • HUKUMSA Logotype

    HUKUMSA

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    20% Web Development
    20% Cloud Consulting & SI
    20% Digital Engineering +2
    20% Mobile App Development
    20% UX/UI Design

    Focus Areas

    20% JavaScript
    20% Java
    20% PHP +3
    20% Python
    10% HTML5
    10% Typescript

    HUKUMSA, an UX design agency, was launched in 2023. The small team provides UX/UI Design and cloud consulting & SI.

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  • Starva Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    10% JavaScript
    10% Go
    10% HTML5 +7
    10% Java
    10% Kotlin
    10% PHP
    10% Python
    10% SQL
    10% Swift
    10% Typescript

    Headquartered in Tangerang Selatan, Indonesia, Starva is a CRM consulting and SI company. The team focuses on CRM consulting and SI and ERP consulting and SI.

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  • GlendaleBizz Logotype

    GlendaleBizz

    Not yet reviewed

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

    Services provided

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

    Focus Areas

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

    GlendaleBizz is a SEO company. The Glendale, Arizona-based firm was founded in 2011. Their services include Search Engine Optimization and Web Design.

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  • MailingInfoUSA Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Edison, NJ

    Services provided

    20% Web Development
    50% Business Consulting
    20% BI & Big Data Consulting & SI +1
    10% AR/VR Development

    Focus Areas

    11% JavaScript
    12% Kotlin
    11% Ember.js +6
    11% Java
    11% Other programming & scripting languages
    11% PHP
    11% Python
    11% Typescript
    11% UnrealScript

    MailingInfoUSA, a Business Consulting company, was established in 2022. The team specializes in Business Consulting and BI & big data consulting & SI.

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  • GH Solutions Logotype

    5.0 1 review
    $1,000+
    $50 - $99 / hr
    2 - 9
    Islamabad, Pakistan

    Services provided

    18% Web Development
    12% Web Design
    10% Graphic Design +14
    8% Print Design
    5% Advertising
    5% Logo
    5% Other Design
    5% Pay Per Click
    5% Search Engine Optimization
    5% Social Media Marketing
    5% UX/UI Design
    5% Video Production
    3% Branding
    3% Packaging Design
    3% Product Design
    2% Content Marketing
    1% Direct Marketing

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% C++ +4
    20% Other programming & scripting languages
    10% C#
    5% C
    5% SQL

    Top Leading Website Development & Digital Marketing Company provide services: Web Development, Graphic Designing, Domain & Hosting, SEO, Digital Marketing, Google Listing & much

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  • Byte Design Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    50% Search Engine Optimization
    35% Web Design

    Focus Areas

    23% JavaScript
    30% PHP
    20% Other programming & scripting languages +2
    15% SQL
    12% Python

    Byte Design is a SEO agency. Headquartered in Toronto, Canada, the team specializes in Search Engine Optimization and Web Design.

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    View Profile
  • Ludvík Remešek - RemarDEV Logotype

    Ludvík Remešek - RemarDEV

    Not yet reviewed

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

    Services provided

    14% Web Development
    25% UX/UI Design
    20% Digital Strategy +6
    15% Branding
    10% Low/No Code Development
    5% Ecommerce Marketing
    5% Graphic Design
    5% IT Managed Services
    1% Custom Software Development

    Focus Areas

    30% JavaScript
    25% HTML5
    25% Typescript +2
    10% PHP
    10% SQL

    Ludvík Remešek - RemarDEV is a Krnov 1, Czech Republic-based UX company. Launched in 2023, the team provides UX/UI Design and Web Development.

    Read more
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  • Chittak Ltd Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    2 - 9
    Bournemouth, England

    Services provided

    20% Web Development
    30% Custom Software Development
    10% Business Consulting +5
    10% Other IT Consulting and SI
    10% UX/UI Design
    10% Web Design
    5% E-Commerce Development
    5% Other Application Development

    Focus Areas

    10% JavaScript
    25% PHP
    20% AJAX +5
    20% SQL
    10% XML
    5% ASP
    5% Java
    5% Other programming & scripting languages

    Chittak Ltd, a software development company, is in Bournemouth, England. Founded in 2008, the team specializes in Custom Software Development and Web Development.

    Read more
    View Profile
  • Gold Promotion Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Boston, MA

    Services provided

    10% Web Development
    10% Affiliate Marketing
    10% Content Marketing +7
    10% Digital Strategy
    10% Email Marketing
    10% Marketing Strategy
    10% Sales Outsourcing
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

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

    Established in 2014, Gold Promotion is a small Boston, Massachusetts-based Marketing Strategy company. Their team offers Marketing Strategy and Digital Strategy.

    Read more
    View Profile
  • Code and Effect Logotype

    Not yet reviewed

    $25,000+
    $150 - $199 / hr
    2 - 9
    Edmonton, Canada

    Services provided

    20% Web Development
    60% Custom Software Development
    20% Application Management & Support

    Focus Areas

    10% JavaScript
    90% Ruby

    Code and Effect is a custom software development company. Founded in 2007, the team focuses on Custom Software Development and Web Development. The agency is located in Edmonton, Canada.

    Read more
    View Profile
  • 24Web Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    2 - 9
    São Lourenço (Vila Nogueira de Azeitão), Portugal

    Services provided

    20% Web Development
    45% Custom Software Development
    25% Mobile App Development +1
    10% API Development

    Focus Areas

    10% JavaScript
    25% ASP.NET
    15% HTML5 +5
    15% PHP
    15% jquery
    10% AJAX
    5% Typescript
    5% XML

    24Web, a small custom software development firm, is in São Lourenço (Vila Nogueira de Azeitão), Portugal. The team specializes in Custom Software Development and Mobile App Development.

    Read more
    View Profile
  • Wild Apple Design Group Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Springfield, MA

    Services provided

    15% Web Development
    65% Web Design
    15% Search Engine Optimization +1
    5% Branding

    Focus Areas

    15% JavaScript
    85% HTML5

    Wild Apple Design Group, a web design company, was established in 2000. The team specializes in Web Design and Search Engine Optimization.

    Read more
    View Profile

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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. Scopic Logotype

    Scopic

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

    Ability to deliver

    38.7/40.0
    19/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    25% Web Development
    25% JavaScript
    75% Other
    View Profile Visit Website
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
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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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