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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

22,059 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Featured

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    Digis, a Fiverr company (NYSE: FVRR) Logotype

    Digis, a Fiverr company (NYSE: FVRR)

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

    Services provided

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

    Focus Areas

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

    Digis, a Fiverr company (NYSE: FVRR), 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.

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    Reviews mention High-quality work

    Clients consistently praised Digis for delivering high-quality work across various projects. For instance, a CEO noted their 'excellent communication and quality of work,' while another client highlighted the 'proactive approach' and 'commitment to excellence' demonstrated by the team. Feedback emphasized that Digis' developers not only met but often exceeded expectations, contributing to improved project outcomes and client satisfaction. Overall, the sentiment regarding the quality of work produced by Digis is overwhelmingly positive, reflecting their dedication to high standards.
    • IT Staff Aug & Software Dev for EdTech Company
      5.0 Apr 19, 2024

      We are incredibly impressed with the quality of work and have really appreciated how proactive Digis is. Their work quality, communication skills, and straightforward approach make them an incredibly dependable company you can count on.

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    • Custom Software Development for Digital Marketing Agency
      5.0 Apr 19, 2024

      Their performance throughout the project was exemplary, and they met our expectations at every turn. Their professional approach and the quality of their work were consistently above par, and we look forward to continuing this partnership.

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    • IT Staff Augmentation for Software Dev Company
      5.0 Dec 31, 2023

      We appreciated how DIGIS consistently met deadlines with high-quality work. Overall, they offer excellent value for the price, making them a standout choice.

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    • UI/UX Design, Mobile App & Web Dev for Sports Equipment Co
      5.0 Apr 26, 2023

      All our developers are based in Ukraine, and their work quality is excellent. Digis’ developers have hit every milestone and goal we’ve required, and they’ve done it during the Russian Invasion of Ukraine, which is really impressive.

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    • Mobile App Dev & UI/UX Design for FinTech Startup
      5.0 Jul 24, 2020

      I’m impressed with the quality of their work to date. It’s a very positive experience compared to what I’ve experienced with other technical teams regarding communication, collaboration, and timelines.

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    3 of 3 reviews are 5 stars
    2 new reviews for Web Development services
    $10,000 – $49,000 avg. project cost

    Reviewed 3 times in the past 6 months

    In the last six months, clients have expressed high satisfaction with Digis, a Fiverr company (NYSE: FVRR), highlighting their impressive responsiveness and quality of development. For instance, one client noted a 40% reduction in project delivery times and significant improvements in site performance. Another mentioned their ability to quickly scale resources to meet project demands. Overall, the sentiment is overwhelmingly positive, with clients appreciating the team's integration and collaborative approach, leaving little room for improvement.
    Read 3 Recent Reviews

    Industry Experience

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

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

    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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  • WE ARE THE FUTURE | WAF Agency Logotype

    Not yet reviewed

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

    Services provided

    70% Web Development
    10% Custom Software Development
    10% E-Commerce Development +1
    10% Other Application Development

    Focus Areas

    50% JavaScript
    20% Java
    20% Redux +2
    5% Other programming & scripting languages
    5% Typescript

    Launched in 2019, WE ARE THE FUTURE | WAF Agency, a small website development firm, is located in Vinnytsia, Ukraine. Their services include Web Development and Custom Software Development.

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  • Now Digital Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    10 - 49
    Melbourne, Australia

    Services provided

    30% Web Development
    29% UX/UI Design
    16% Digital Strategy +6
    10% IT Strategy Consulting
    10% Web Design
    2% Content Marketing
    1% Email Marketing
    1% Search Engine Optimization
    1% Social Media Marketing

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% PHP +2
    20% Ruby
    20% SQL

    Now Digital is a web development firm. Located in Melbourne, Australia and Surry Hills, Australia, the firm was launched in 2007. Their team focuses on Web Development and UX/UI Design.

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  • Alfa Cyber Logotype

    Alfa Cyber

    5.0 3 reviews
    $1,000+
    $25 - $49 / hr
    2 - 9

    Services provided

    30% Web Development
    30% Web Design
    20% E-Commerce Development +1
    20% Search Engine Optimization

    Focus Areas

    20% JavaScript
    50% PHP
    15% Python +1
    15% SQL

    Alfa Cyber specializes in Website Development, Web Design, and Web Programming, as demonstrated in their work for a restaurant client. Reviews highlight their effectiveness in enhancing online presence and driving sales, with particular praise for timely delivery, beautiful designs, and glitch-free service. While their initial designs were revised multiple times, the final outcome was well-received.

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  • Applogist Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    40% Mobile App Development
    10% AI Development +6
    10% AR/VR Development
    10% Low/No Code Development
    5% Blockchain
    5% Business Consulting
    5% Digital Strategy
    5% Generative AI

    Focus Areas

    11% JavaScript
    37% Swift
    11% ASP.NET +6
    11% Other programming & scripting languages
    10% Kotlin
    5% C#
    5% Java
    5% PHP
    5% Python

    Applogist is an application development company launched in 2013. The firm focuses on Mobile App Development and Web Development.

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  • Digiants Logotype

    Not yet reviewed

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

    Services provided

    40% Web Development
    30% Web Design
    15% E-Commerce Development +2
    10% Branding
    5% Logo

    Focus Areas

    40% JavaScript
    40% PHP
    10% XML +2
    5% AJAX
    5% SQL

    Digiants is a small Kyiv, Ukraine-based website development firm. The team provides Web Development and Web Design.

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  • VisualMedia.io Logotype

    Not yet reviewed

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

    Services provided

    55% Web Development
    20% UX/UI Design
    15% E-Commerce Development +2
    5% Application Management & Support
    5% Web Design

    Focus Areas

    50% JavaScript
    50% PHP

    VisualMedia.io is a Berlin, Germany-based web development firm. They offer Web Development and UX/UI Design and were launched in 1999.

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  • Cornershop Creative Logotype

    Cornershop Creative

    Not yet reviewed

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

    Services provided

    40% Web Development
    20% Web Design
    10% Conversion Optimization +3
    10% Email Marketing
    10% Pay Per Click
    10% Search Engine Optimization

    Focus Areas

    15% JavaScript
    55% PHP
    15% SQL +2
    10% Python
    5% jquery

    Cornershop Creative is a website development firm. They are in Olney, Maryland, and their services include Web Development and Web Design.

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  • Altarey Logotype

    Altarey

    5.0 3 reviews
    $10,000+
    $50 - $99 / hr
    50 - 249

    Services provided

    10% Web Development
    15% Enterprise App Modernization
    10% Blockchain +9
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% E-Commerce Development
    10% Mobile App Development
    5% Application Testing
    5% Graphic Design
    5% Logo
    5% UX/UI Design
    5% Web Design

    Focus Areas

    15% JavaScript
    25% Kotlin
    15% Python +4
    15% SQL
    15% Swift
    10% Redux
    5% C++

    Altarey offers Website Development, Web Design, and Web Programming services. Reviews highlight their expertise in designing and developing web applications, fixing bugs, and improving performance. Clients commend Altarey's effective communication, adherence to deadlines, and the high quality of work delivered, making the collaboration seamless and productive.

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  • TMBR Digital Marketing Agency Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Branding
    20% Direct Marketing +2
    20% Graphic Design
    20% Web Design

    Focus Areas

    50% JavaScript
    50% PHP

    Established in 2008, TMBR Digital Marketing Agency is a branding firm. The small team offers Branding and Graphic Design.

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  • Inviggo Logotype

    4.0 1 review
    $5,000+
    $25 - $49 / hr
    10 - 49
    Novi Sad, Serbia

    Services provided

    50% Web Development
    20% Custom Software Development
    20% Mobile App Development +1
    10% E-Commerce Development

    Focus Areas

    40% JavaScript
    10% Kotlin
    10% Other programming & scripting languages +4
    10% Python
    10% SQL
    10% Swift
    10% Typescript

    Inviggo is a company that specializes in developing high-quality web and mobile solutions. We do everything from ideation, project scoping, team organization, to the development, testing, and

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  • Web & Mobile Development Company Logotype

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

    Services provided

    80% Web Development
    20% Mobile App Development

    Focus Areas

    20% JavaScript
    30% PHP
    10% Java +4
    10% Python
    10% Redux
    10% SQL
    10% XML

    Caravella Founding specializes in Website Development and Web Design, delivering comprehensive online development solutions. Reviews highlight their expertise in Web Programming, showcasing a responsive and transparent project management style. The firm is praised for exceeding expectations, offering high-quality, accessible solutions while maintaining effective communication and flexibility throughout the project lifecycle.

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  • VIVA LA GRID - Software house Logotype

    5.0 1 review
    $10,000+
    $50 - $99 / hr
    2 - 9
    Kraków, Poland

    Services provided

    15% Web Development
    15% IoT Development
    15% Mobile App Development +10
    10% CRM Consulting and SI
    5% API Development
    5% Custom Software Development
    5% DevOps Managed Services
    5% Generative AI
    5% Graphic Design
    5% IT Strategy Consulting
    5% Other IT Consulting and SI
    5% UX/UI Design
    5% Web Design

    Focus Areas

    15% JavaScript
    20% HTML5
    20% jquery +5
    15% PHP
    10% Python
    10% XML
    5% AJAX
    5% SQL

    VIVA LA GRID - branding / web agency provides comprehensive services including graphic creation, online brand campaigns, logo design, and consulting. Reviews highlight their timely delivery, skilled team, and unconventional approach, resulting in improved company presentations. Clients consistently express satisfaction with their professional and effective project management.

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  • Metageeks Technologies Pvt Ltd Logotype

    Metageeks Technologies Pvt Ltd

    Not yet reviewed

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

    Services provided

    10% Web Development
    25% Blockchain
    20% Custom Software Development +5
    10% AI Consulting
    10% AI Development
    10% E-Commerce Development
    10% Generative AI
    5% Web Design

    Focus Areas

    40% JavaScript
    20% PHP
    20% Redux +2
    10% Other programming & scripting languages
    10% Python

    Metageeks Technologies Pvt Ltd is a Blockchain company founded in 2022. The company specializes in Blockchain and Custom Software Development.

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  • In-HouseTeam Logotype

    Not yet reviewed

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

    Services provided

    40% Web Development
    40% Mobile App Development
    20% E-Commerce Development

    Focus Areas

    35% JavaScript
    30% Redux
    20% PHP +2
    10% SQL
    5% AJAX

    In-HouseTeam is an app development firm. They were founded in 2005, and their services include Mobile App Development and Web Development.

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  • Vibhum Software Services Private Limited Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Custom Software Development
    20% Web Design +5
    10% Mobile App Development
    5% AI Agents
    5% AI Development
    5% E-Commerce Development
    5% Search Engine Optimization

    Focus Areas

    20% JavaScript
    20% AJAX
    20% PHP +2
    20% XML
    20% jquery

    Vibhum Software Services Private Limited is a software development company. The firm is located in New Delhi, India. Their team offers Custom Software Development and Web Design.

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  • Backslash Build Logotype

    Backslash Build

    Not yet reviewed

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

    Services provided

    30% Web Development
    30% Custom Software Development
    30% Mobile App Development +2
    5% Application Testing
    5% IoT Development

    Focus Areas

    40% JavaScript
    50% C#
    5% Python +1
    5% SQL

    Backslash Build is a software development firm. The agency is headquartered in Bath, England. Their team specializes in Custom Software Development and Mobile App Development.

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  • Beyond Website Design Logotype

    Beyond Website Design

    Not yet reviewed

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

    Services provided

    35% Web Development
    35% Web Design
    10% Search Engine Optimization +3
    10% UX/UI Design
    5% Branding
    5% Graphic Design

    Focus Areas

    30% JavaScript
    35% HTML5
    35% Other programming & scripting languages

    Beyond Website Design is a web design agency. The Seneca, South Carolina-based agency was established in 2023. Their team focuses on Web Design and Web Development.

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  • MiradeWeb Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    40% E-Commerce Development
    10% Low/No Code Development +3
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    45% JavaScript
    25% Redux
    10% AJAX +4
    5% PHP
    5% SQL
    5% Typescript
    5% XML

    Founded in 2012, MiradeWeb is an e-commerce development company. The company provides E-Commerce Development and Web Development, and is small.

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  • Kodiary Technologies Pvt. Ltd. Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    35% Mobile App Development
    15% Application Management & Support +2
    15% Low/No Code Development
    10% Custom Software Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% HTML5 +8
    10% Java
    10% Kotlin
    10% PHP
    10% Python
    10% SQL
    10% Swift
    5% Typescript
    5% XML

    Kodiary Technologies Pvt. Ltd. Is a website development firm established in 2018. Based in Lalitpur, Nepal, the team specializes in Web Development and Mobile App Development.

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  • Ecomm Design Lab Logotype

    Ecomm Design Lab

    Not yet reviewed

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

    Services provided

    40% Web Development
    30% Advertising
    10% Ecommerce Marketing +2
    10% Marketing Strategy
    10% Web Design

    Focus Areas

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

    Ecomm Design Lab is a website development firm. The team focuses on Web Development and Advertising, and the agency is headquartered in Amman, Jordan and Amman, Jordan.

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  • BEYOND 360 Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    10 - 49
    ရန်ကုန်, Myanmar

    Services provided

    20% Web Development
    20% Branding
    20% CRM Consulting and SI +2
    20% Logo
    20% Marketing Strategy

    Focus Areas

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

    BEYOND 360 is a branding agency located in ရန်ကုန်, Myanmar and Phnom Penh, Cambodia. Launched in 2018, the team offers Branding and Marketing Strategy.

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  • Clouda Inc Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    10 - 49
    Irvine, CA

    Services provided

    30% Web Development
    55% E-Commerce Development
    15% Custom Software Development

    Focus Areas

    20% JavaScript
    20% Typescript
    10% C# +8
    10% Java
    10% SQL
    5% AJAX
    5% Go
    5% Kotlin
    5% Python
    5% Redux
    5% Swift

    Clouda Inc is a small e-commerce development company founded in 2018. Their team provides E-Commerce Development and Web Development.

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  • Elerand Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Warszawa, Poland

    Services provided

    40% Web Development
    40% Custom Software Development
    20% AI Development

    Focus Areas

    80% JavaScript
    20% Python

    Launched in 2022, Elerand is a custom software development firm. Headquartered in T'bilisi, Georgia, the team focuses on Custom Software Development and Web Development.

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  • Teamseven Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Custom Software Development
    15% AI Development +4
    15% Mobile App Development
    10% IT Managed Services
    10% IT Staff Augmentation
    10% UX/UI Design

    Focus Areas

    75% JavaScript
    15% Typescript
    10% PHP

    Teamseven, a custom software development company, offer Custom Software Development and Web Development. They were established in 2017.

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  • Cybertize Technologies Pvt Ltd Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    40% Web Design
    10% Low/No Code Development +6
    10% Mobile App Development
    10% UX/UI Design
    5% Email Marketing
    5% Mobile & App Marketing
    5% Social Media Marketing
    5% Video Production

    Focus Areas

    15% JavaScript
    10% Other programming & scripting languages
    10% PHP +13
    5% AJAX
    5% C#
    5% C++
    5% Ember.js
    5% Java
    5% Kotlin
    5% Objective C
    5% Python
    5% Redux
    5% SQL
    5% Swift
    5% Typescript
    5% XML

    Established in 2019, Cybertize Technologies Pvt Ltd is a web design agency. The team focuses on Web Design and UX/UI Design.

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  • Free Range Web Logotype

    Not yet reviewed

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

    Services provided

    50% Web Development
    25% Web Design
    10% CRM Consulting and SI +2
    10% Market Research
    5% Content Marketing

    Focus Areas

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

    Free Range Web is a website development firm. They offer Web Development and Web Design and are located in Portishead, England.

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  • Bike Bear Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    10 - 49
    Petaling Jaya, Malaysia

    Services provided

    25% Web Development
    25% Web Design
    20% Social Media Marketing +3
    10% Branding
    10% E-Commerce Development
    10% Search Engine Optimization

    Focus Areas

    20% JavaScript
    30% Other programming & scripting languages
    20% PHP +2
    20% SQL
    10% AJAX

    Bike Bear is a web design company. Launched in 2013, the team offers Web Design and Web Development. The firm is located in Petaling Jaya, Malaysia and Singapore, Singapore.

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  • Pica Trebax Inc Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    40% Mobile App Development
    15% Custom Software Development +2
    10% Other Application Development
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    10% C
    10% C++ +8
    10% Kotlin
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% Swift
    10% Typescript
    5% HTML5
    5% SQL

    Launched in 2020, Pica Trebax Inc is a mobile application development firm. Headquartered in Nashua, New Hampshire and Kyiv, Ukraine, the team provides Mobile App Development and Web Development.

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  • See My Model Logotype

    Not yet reviewed

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

    Services provided

    40% Web Development
    30% AR/VR Development
    30% Custom Software Development

    Focus Areas

    27% JavaScript
    20% Typescript
    13% HTML5 +4
    13% PHP
    13% SQL
    7% C++
    7% Python

    See My Model is a website development company. Launched in 2020, the team specializes in Web Development and Custom Software Development. The firm is located in Białystok, Poland and Gdańsk,

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  • GENIO Logotype

    Not yet reviewed

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

    Services provided

    45% Web Development
    20% E-Commerce Development
    15% Custom Software Development +2
    10% UX/UI Design
    10% Web Design

    Focus Areas

    25% JavaScript
    15% AJAX
    15% PHP +4
    15% SQL
    10% HTML5
    10% Redux
    10% Typescript

    Located in Istanbul, Türkiye, GENIO is a small website development company. The team provides Web Development and E-Commerce Development.

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  • Weichie.com Logotype

    Not yet reviewed

    Undisclosed
    $100 - $149 / hr
    2 - 9
    Sint-Joost-ten-Node, Belgium

    Services provided

    30% Web Development
    30% E-Commerce Development
    15% Web Design +4
    10% Search Engine Optimization
    5% Digital Strategy
    5% Mobile App Development
    5% UX/UI Design

    Focus Areas

    60% JavaScript
    40% PHP

    Established in 2019, Weichie.com is a website development company. The firm specializes in Web Development and E-Commerce Development.

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  • Elegance IT Sloution Logotype

    5.0 2 reviews
    Undisclosed
    $25 - $49 / hr
    10 - 49
    Dhaka, Bangladesh

    Services provided

    15% Web Development
    25% Mobile App Development
    15% Web Design +13
    10% E-Commerce Development
    5% Graphic Design
    5% Logo
    5% Search Engine Optimization
    5% Social Media Marketing
    5% UX/UI Design
    2% Advertising
    2% Custom Software Development
    2% Enterprise App Modernization
    1% Application Management & Support
    1% Application Testing
    1% Other Application Development
    1% Wearable App Development

    Focus Areas

    30% JavaScript
    30% PHP
    30% SQL +2
    5% C#
    5% C++

    Elegance IT Sloution provides Website Development and Web Design services, specializing in creating user-friendly websites for both mobile and desktop platforms. Clients consistently praise their professional project management, detailed communication, and impressive UI/UX designs. Feedback highlights the team's cooperation and reasonable pricing, though some suggest more thorough pre-delivery testing.

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  • Tech Pathway Logotype

    Not yet reviewed

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

    Services provided

    40% Web Development
    40% Mobile App Development
    20% E-Commerce Development

    Focus Areas

    20% JavaScript
    40% PHP
    10% Java +4
    10% Python
    10% Swift
    5% C++
    5% Kotlin

    Midsize mobile application development firm Tech Pathway, is in Jaipur, India and Bellevue, Washington. Their services include Mobile App Development and Web Development.

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  • Nexllence Logotype

    Not yet reviewed

    $50,000+
    $50 - $99 / hr
    50 - 249
    Lisbon, Portugal

    Services provided

    40% Web Development
    50% Custom Software Development
    10% Mobile App Development

    Focus Areas

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

    Based in Lisbon, Portugal, Nexllence is a midsize custom software development company. The team offers Custom Software Development and Web Development.

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  • Bran & Pole Logotype

    5.0 3 reviews
    $1,000+
    $50 - $99 / hr
    2 - 9
    Woodbridge Township, NJ

    Services provided

    20% Web Development
    20% Advertising
    20% E-Commerce Development +4
    15% Search Engine Optimization
    10% Pay Per Click
    10% Social Media Marketing
    5% Branding

    Focus Areas

    50% JavaScript
    50% PHP

    Bran & Pole specializes in Website Development and Web Design, delivering professional and high-quality web programming services. Reviews consistently highlight their prompt communication, professionalism, and ability to meet deadlines. Clients appreciate their collaborative approach and technical expertise, reflecting satisfaction with the final product and ongoing support.

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  • Outsrc Website Logotype

    Outsrc Website

    Not yet reviewed

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

    Services provided

    100% Web Development

    Focus Areas

    50% JavaScript
    50% PHP

    Outsrc Website is a website development firm. The agency is based in Santa Cruz, Costa Rica. Their team offers Web Development.

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  • Back 9 Design Ltd Logotype

    Not yet reviewed

    $1,000+
    $150 - $199 / hr
    2 - 9
    Invercargill, New Zealand

    Services provided

    30% Web Development
    20% UX/UI Design
    15% Search Engine Optimization +4
    10% E-Commerce Development
    10% Mobile App Development
    10% Pay Per Click
    5% Custom Software Development

    Focus Areas

    35% JavaScript
    55% PHP
    10% XML

    Founded in 2008, Back 9 Design Ltd is a small website development firm. Their services include Web Development and UX/UI Design.

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  • Spektrum Media Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Québec, Canada

    Services provided

    50% Web Development
    40% Mobile App Development
    5% Content Marketing +1
    5% Digital Strategy

    Focus Areas

    100% JavaScript

    Spektrum Media is a website development company established in 2008. Their team provides Web Development and Mobile App Development.

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  • SoftWars Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Uman', Ukraine

    Services provided

    35% Web Development
    30% Wearable App Development
    15% Web Design +3
    10% UX/UI Design
    5% Graphic Design
    5% Logo

    Focus Areas

    20% JavaScript
    20% PHP
    15% HTML5 +3
    15% Redux
    15% SQL
    15% Swift

    SoftWars, a web development company, was launched in 2019. The team specializes in Web Development and Wearable App Development.

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  • rockapps Logotype

    rockapps

    Not yet reviewed

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

    Services provided

    35% Web Development
    35% Mobile App Development
    30% Web Design

    Focus Areas

    15% JavaScript
    25% Kotlin
    25% Swift +5
    15% PHP
    5% Go
    5% HTML5
    5% SQL
    5% Typescript

    Rockapps, a website development company, was established in 2018. The company specializes in Web Development and Mobile App Development.

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  • Bigwals Logotype

    Bigwals

    Not yet reviewed

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

    Services provided

    10% Web Development
    50% Mobile App Development
    20% UX/UI Design +2
    10% Graphic Design
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    25% SQL
    25% Swift +2
    20% PHP
    10% jquery

    Bigwals is a mobile app development company. The firm is in winter park, Florida. Their team provides Mobile App Development and UX/UI Design.

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  • Weismann Web Logotype

    Not yet reviewed

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

    Services provided

    70% Web Development
    30% Web Design

    Focus Areas

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

    Launched in 2003, Weismann Web is a small web development company. Their team specializes in Web Development and Web Design.

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  • Wowlogic Logotype

    5.0 1 review
    Undisclosed
    $25 - $49 / hr
    50 - 249
    Chișinău, Moldova

    Services provided

    40% Web Development
    40% E-Commerce Development
    20% Custom Software Development

    Focus Areas

    20% JavaScript
    20% Java
    20% Python +4
    10% AJAX
    10% C++
    10% PHP
    10% SQL

    Wowlogic offers comprehensive Website Development and Web Design services, including detailed planning, design coordination, and website construction. Customer feedback highlights their exceptional project management, high efficiency, and strong commitment to client success, resulting in significant positive business impacts and new client acquisition.

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  • SmartWitted Software Solutions Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    30% Custom Software Development
    25% Cloud Consulting & SI +2
    10% Application Management & Support
    10% IT Managed Services

    Focus Areas

    30% JavaScript
    30% ASP.NET
    30% C# +1
    10% SQL

    SmartWitted Software Solutions, a software development firm, specialize in Custom Software Development and cloud consulting & SI. They were established in 2021.

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    $150 Small fixes of Umbraco website $300 It will include bug fixes and improvements for mob $1,000 It will include bug fixes and improvements for mob

    Umbraco website enhancement

    Enhancing Your Umbraco Website for Performance, Usability, and Growth Umbraco is a powerful and flexible open-source CMS that empowers businesses to create rich, user-friendly websites. However, simply launching a site on Umbraco isn’t enough — continuous enhancement is essential to ensure performance, security, usability, and scalability.
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  • Nexteam Ltd Logotype

    Nexteam Ltd

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Application Management & Support
    10% Custom Software Development +11
    10% Enterprise App Modernization
    10% Mobile App Development
    5% Architectural Design
    5% BI & Big Data Consulting & SI
    5% Cloud Consulting & SI
    5% E-Commerce Development
    5% IT Managed Services
    5% IT Staff Augmentation
    5% Product Design
    5% UX/UI Design
    5% Web Design

    Focus Areas

    15% JavaScript
    15% Java
    15% Typescript +9
    10% HTML5
    10% SQL
    5% C
    5% C++
    5% Other programming & scripting languages
    5% PHP
    5% Perl
    5% Python
    5% Redux

    Nexteam Ltd, an Application Management & Support company, specialize in Application Management & Support and Custom Software Development. They were founded in 2018.

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  • Communicreations Digital Marketing Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    25% Digital Strategy
    15% CRM Consulting and SI +4
    15% Pay Per Click
    15% Search Engine Optimization
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    25% JavaScript
    50% PHP
    25% SQL

    Communicreations Digital Marketing is a Digital Strategy company. Launched in 1999, the agency is in Toronto, Canada. Their team provides Digital Strategy and Search Engine Optimization.

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  • Adlux Software (Pvt) Ltd Logotype

    Adlux Software (Pvt) Ltd

    Not yet reviewed

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

    Services provided

    30% Web Development
    40% E-Commerce Development
    30% Custom Software Development

    Focus Areas

    20% JavaScript
    40% PHP
    40% SQL

    Founded in 2016, Adlux Software (Pvt) Ltd is a small Dehiwala, Sri Lanka-based e-commerce development firm. Their services include E-Commerce Development and Custom Software Development.

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  • Peachr Logotype

    Not yet reviewed

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

    Services provided

    35% Web Development
    30% Mobile App Development
    15% Custom Software Development +2
    10% API Development
    10% Pay Per Click

    Focus Areas

    35% JavaScript
    20% Java
    15% Kotlin +2
    15% SQL
    15% Swift

    Peachr is a Manchester, England-based website development company. The team provides Web Development and Mobile App Development.

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  • PearlThoughts Logotype

    PearlThoughts

    Not yet reviewed

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

    Services provided

    20% Web Development
    35% Custom Software Development
    20% AI Consulting +2
    15% E-Commerce Development
    10% API Development

    Focus Areas

    15% JavaScript
    20% Typescript
    15% Java +4
    15% PHP
    15% Python
    15% SQL
    5% Ruby

    PearlThoughts is a small Thoothukudi, India-based software development company. Their services include Custom Software Development and Web Development.

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  • Webwooter Logotype

    5.0 1 review
    $10,000+
    $50 - $99 / hr
    250 - 999
    Kuala Lumpur, Malaysia

    Services provided

    20% Web Development
    20% Digital Strategy
    20% Graphic Design +2
    20% Social Media Marketing
    20% Web Design

    Focus Areas

    20% JavaScript
    50% PHP
    30% Python

    Webwooter specializes in digital marketing services, including social media marketing, SEO, and paid advertising. Client feedback highlights their exceptional portfolio, timely delivery, and effective communication. Overall, Webwooter is praised for their ability to grow channels and generate leads, making them a reliable partner for digital marketing initiatives.

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Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.

We evaluate service providers using a structured methodology that combines:

  • In-depth client interviews and ratings
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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

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Ability to deliver
Focus
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 Scopic
12 GeekyAnts
13 INOXOFT
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. Scopic Logotype

    Scopic

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

    Ability to deliver

    39.5/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    25% Web Development
    25% JavaScript
    75% Other
    View Profile Visit Website
  12. 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
  13. 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
  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
    View Profile Visit Website
  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
    View Profile Visit Website

Top JavaScript Development Agencies

A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.

Most agencies bundle multiple offerings so clients can access full product life-cycle support:

  • Discovery workshops & technical consulting
  • UI/UX design and prototyping
  • Front-end SPA or PWA development
  • Server-side development with Node.js or Deno
  • API design, GraphQL, and microservices architecture
  • QA automation & performance testing
  • DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
  • Post-launch maintenance and feature sprints

Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.

Clutch data shows project budgets range widely:

  • MVP or small web app - $15,000–$50,000
  • Mid-size product build - $50,000–$200,000
  • Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.

  • Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
  • Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
  • Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
  • Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
  • Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.

Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.

  • Guaranteed timelines without discovery
  • No access to source code repositories during the engagement
  • Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
  • Low developer retention or high turnover
  • Vague pricing models or hidden fees

If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution

  • Which JavaScript frameworks do you specialize in, and why?
  • Can you walk me through a recent project with similar complexity?
  • How do you ensure code quality—linting, peer reviews, automated tests?
  • What is your approach to scalability and performance optimization?
  • How will we communicate and track progress (tools, meeting cadence)?
  • Who owns the intellectual property and source code upon project completion?

Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.

A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.

Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.

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