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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: February 6, 2026
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15 Leaders 15 Contenders

21,632 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 88 reviews
    Premier Verified
    $5,000+
    $25 - $49 / hr
    50 - 249
    London, England

    Services provided

    50% Web Development
    50% Custom Software Development

    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), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.

    See all 88 projects

    Reviews mention Creative

    Clients commend Digis for their unique blend of creativity and technical excellence, noting that this innovative approach sets them apart in the industry. One client highlighted their holistic and innovation-driven method in transforming a proprietary tool into a robust SaaS platform. Overall sentiment is highly positive, with clients expressing satisfaction in project management, responsiveness, and the quality of deliverables, indicating that Digis consistently meets or exceeds expectations.
    • Custom Software Development for Digital Marketing Agency
      5.0 Apr 19, 2024

      One of the most impressive aspects of working with Digis was their unique blend of creativity and technical excellence, which is not as common in the industry as one might think. Their approach to developing our application is holistic and innovation-driven, setting them apart from others.

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    5 of 5 JavaScript reviews are 5 stars
    2 new reviews for JavaScript in past 6 months
    $10,000 – $49,000 avg. project cost

    JavaScript Experience

    Client feedback on Digis's JavaScript services reflects a high level of satisfaction, with 95% of reviews being positive. Many clients praised the expertise of their developers, particularly in frontend and full-stack development, noting timely delivery and effective communication as key strengths. Specific feedback highlighted significant improvements in project efficiency and feature development. Additionally, clients appreciated the agency's ability to provide skilled engineers quickly, confirming Digis as a reliable partner in enhancing their software solutions.

    Read Most Recent Review
    16 of 22 Web Development reviews are 5 stars
    1 new review for Web Development in past 6 months
    $50,000 – $199,999 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Hosting Platform Development for Advertising & Marketing Co

    4.5 — Digis developed an automated hosting platform with cPanel integration, email automation, and GitHub automation for an advertising and marketing company. Read more
    Read 22 Reviews
    $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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  • 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,

    Read more
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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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  • aumenso Logotype

    aumenso

    Not yet reviewed

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

    Services provided

    10% Web Development
    25% Web Design
    20% Search Engine Optimization +4
    15% Graphic Design
    10% CRM Consulting and SI
    10% E-Commerce Development
    10% Logo

    Focus Areas

    20% JavaScript
    40% HTML5
    20% PHP +1
    20% XML

    Aumenso is a web design company. Their small team is based in Wah, Pakistan. Their services include Web Design and Search Engine Optimization.

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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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  • 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.

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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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • Globalinfo Ltd Logotype

    Globalinfo Ltd

    Not yet reviewed

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

    Services provided

    20% Web Development
    25% Web Design
    20% Search Engine Optimization +2
    20% Social Media Marketing
    15% Pay Per Click

    Focus Areas

    10% JavaScript
    60% PHP
    10% AJAX +2
    10% ASP
    10% SQL

    Globalinfo Ltd is a web design company. The New Windsor, New Zealand-based company was established in 2006. Their services include Web Design and Search Engine Optimization.

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  • TBA Marketing Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    14% Digital Strategy
    12% Marketing Strategy +8
    12% Pay Per Click
    12% Web Design
    10% Conversion Optimization
    10% Social Media Marketing
    8% Advertising
    5% Search Engine Optimization
    4% Branding
    3% Print Design

    Focus Areas

    20% JavaScript
    20% PHP
    20% SQL +5
    10% C++
    10% Java
    10% XML
    5% Python
    5% Ruby

    TBA Marketing is a Digital Strategy company. The team provides Digital Strategy and Marketing Strategy, and the company is in Lakeland, Florida.

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  • Viron Media Logotype

    Viron Media

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Digital Strategy
    20% E-Commerce Development +2
    20% Search Engine Optimization
    20% Web Design

    Focus Areas

    10% JavaScript
    80% PHP
    10% SQL

    Viron Media is a Digital Strategy company located in Peterborough, England. Founded in 2011, the team offers Digital Strategy and Search Engine Optimization.

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  • Primo Interactive Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Digital Strategy +2
    20% Mobile App Development
    20% Web Design

    Focus Areas

    10% JavaScript
    25% PHP
    25% SQL +5
    10% AJAX
    10% Objective C
    10% Python
    5% Visual Basic
    5% jquery

    Primo Interactive is a Digital Strategy company. The team specializes in Digital Strategy and Web Design and is in Chester, England and Vilnius, Lithuania.

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  • Creative Design Venture Logotype

    Creative Design Venture

    4.5 1 review
    $1,000+
    $50 - $99 / hr
    10 - 49

    Services provided

    15% Web Development
    20% Logo
    20% Search Engine Optimization +5
    15% Graphic Design
    10% Content Marketing
    10% Social Media Marketing
    5% Digital Strategy
    5% Ecommerce Marketing

    Focus Areas

    11% JavaScript
    17% C++
    17% Java +7
    11% AJAX
    11% C
    11% Objective C
    6% Python
    6% Swift
    6% Visual Basic
    4% SQL

    Creative Design Venture offers website development services and is commended for their high-quality, creative solutions tailored to client needs. Reviews highlight their timely delivery, responsiveness, and strong commitment to client satisfaction. Overall, clients appreciate the value for cost and alignment with company values.

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  • Triptych Technologies Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    90% AR/VR Development

    Focus Areas

    20% JavaScript
    20% PHP
    20% SQL +4
    15% HTML5
    15% jquery
    5% C#
    5% Java

    AR/VR development company Triptych Technologies is headquartered in Lucknow, India. They focus on AR/VR development and Web Development and were launched in 2024.

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  • Rapid Sotech Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Custom Software Development
    20% Web Design +3
    10% Graphic Design
    10% Logo
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    60% PHP
    20% AJAX

    Small software development firm Rapid Sotech, is based in Ahmedabad, India. Their services include Custom Software Development and Web Development.

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  • IT OutStaff Logotype

    IT OutStaff

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% DevOps Managed Services
    15% E-Commerce Development +5
    15% Enterprise App Modernization
    15% Microservices Architecture Services
    10% Blockchain
    10% Custom Software Development
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    25% C#
    15% ASP.NET +7
    15% Typescript
    10% Java
    5% HTML5
    5% Kotlin
    5% Redux
    5% SQL
    5% jquery

    IT OutStaff is an e-commerce development firm located in San Francisco, California and San Francisco, California. Their services include E-Commerce Development and Enterprise App Modernization.

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  • Hyperion Tech Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +6
    10% Custom Software Development
    10% Low/No Code Development
    5% Content Marketing
    5% Digital Strategy
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    20% Other programming & scripting languages
    20% Swift +5
    15% SQL
    10% HTML5
    10% Kotlin
    10% PHP
    5% Python

    Hyperion Tech is a small custom software development firm. They focus on Custom Software Development and Web Development and were established in 2020.

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  • SyncHash Applications Logotype

    SyncHash Applications

    5.0 1 review
    $1,000+
    < $25 / hr
    2 - 9

    Services provided

    10% Web Development
    10% Content Marketing
    10% Content Writing Services +7
    10% Digital Strategy
    10% Graphic Design
    10% Logo
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Web Design

    Focus Areas

    20% JavaScript
    25% Python
    15% Other programming & scripting languages +4
    10% C
    10% C++
    10% Ruby
    10% UnrealScript

    SyncHash Applications provides services in Website Development and Web Design, tailoring solutions to meet their clients' needs effectively. The reviews highlight their ability to deliver interactive websites and email setups with top-notch responsiveness and adaptability. Clients appreciate their budget-friendly pricing and the value provided, with a strong emphasis on client-focused problem-solving and delivering timely solutions.

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  • Msigana Technologies Logotype

    Msigana Technologies

    5.0 1 review
    Undisclosed
    $25 - $49 / hr
    2 - 9

    Services provided

    20% Web Development
    20% Web Design
    15% Custom Software Development +4
    15% E-Commerce Development
    10% ERP Consulting and SI
    10% IT Strategy Consulting
    10% Social Media Marketing

    Focus Areas

    10% JavaScript
    35% Python
    10% Other programming & scripting languages +8
    10% Typescript
    5% AJAX
    5% C++
    5% HTML5
    5% Java
    5% Ruby
    5% SQL
    5% jquery

    Msigana Software Designer specializes in Website Development and Web Design services, offering comprehensive solutions including user-friendly platforms, secure payment integration, and multilingual support. Feedback highlights their professionalism, technical expertise, and proactive problem-solving, with clients praising their ability to deliver tailored, timely, and engaging web solutions. While clients are highly satisfied, they suggest improvements in documentation and feedback processes for even better project management.

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  • NETTOM.com Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    25% Custom Software Development
    25% E-Commerce Development +6
    15% Application Management & Support
    5% BI & Big Data Consulting & SI
    5% Business Consulting
    5% CRM Consulting and SI
    5% Cybersecurity
    5% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    65% PHP
    10% Java +2
    10% SQL
    5% Other programming & scripting languages

    Custom software development firm NETTOM.com is in Olsztyn, Poland. Established in 2004, the team specializes in Custom Software Development and E-Commerce Development.

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  • IT Genuine Solutions Logotype

    IT Genuine Solutions

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

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

    Focus Areas

    10% JavaScript
    10% C#
    10% Ember.js +7
    10% Java
    10% Kotlin
    10% PHP
    10% Python
    10% Redux
    10% SQL
    10% Typescript

    IT Genuine Solutions is a Jammu and Kashmir, India-based SEO services firm. The team offers Search Engine Optimization and Web Design.

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  • AS Technolabs Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% AI Development
    15% Custom Software Development +4
    15% Enterprise App Modernization
    15% Mobile App Development
    15% Web Design
    10% Blockchain

    Focus Areas

    15% JavaScript
    15% Typescript
    10% AJAX +8
    10% HTML5
    10% PHP
    10% SQL
    10% jquery
    5% C#
    5% Other programming & scripting languages
    5% Python
    5% Ruby

    App development company AS Technolabs was founded in 2019. The team focuses on Mobile App Development and Web Development and is located in Ahmedabad, India.

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  • Big Link Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% IT Strategy Consulting
    15% Mobile App Development +6
    15% Other IT Consulting and SI
    10% Application Testing
    10% Custom Software Development
    10% Other Application Development
    5% Application Management & Support
    5% IoT Development

    Focus Areas

    10% JavaScript
    20% PHP
    20% SQL +6
    10% C#
    10% Java
    10% Other programming & scripting languages
    10% Visual Basic
    5% ASP
    5% C++

    IT strategy consulting company Big Link is located in Addis Ababa, Ethiopia. They specialize in IT strategy consulting and Mobile App Development.

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  • Atomate Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    21% Application Management & Support
    21% Application Testing +7
    21% Custom Software Development
    6% E-Commerce Development
    6% Mobile App Development
    3% AI Development
    3% Enterprise App Modernization
    2% IoT Development
    2% Wearable App Development

    Focus Areas

    12% JavaScript
    13% Java
    13% SQL +10
    12% ASP
    12% PHP
    10% Swift
    9% AJAX
    6% Objective C
    4% C
    4% C++
    2% Python
    2% Ruby
    1% Other programming & scripting languages

    Atomate is a small London, England-based custom software development company. The team provides Custom Software Development and Application Management & Support.

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  • IIInigence LLC Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Santa Clarita, CA

    Services provided

    10% Web Development
    10% AR/VR Development
    10% Blockchain +7
    10% Branding
    10% Graphic Design
    10% IoT Development
    10% Mobile App Development
    10% UX/UI Design
    10% Video Production
    10% Web Design

    Focus Areas

    17% JavaScript
    17% C#
    17% C++ +4
    17% Python
    16% C
    10% SQL
    6% Rust

    Established in 2018, IIInigence LLC, a small branding firm, is in Santa Clarita, California. Their services include Branding and Web Design.

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  • Maksuco.com Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    Freelancer
    Lehigh Acres, FL

    Services provided

    20% Web Development
    20% UX/UI Design
    15% Custom Software Development +4
    15% E-Commerce Development
    15% Web Design
    10% Low/No Code Development
    5% Mobile App Development

    Focus Areas

    25% JavaScript
    25% PHP
    25% SQL +2
    20% AJAX
    5% Typescript

    Based in Lehigh Acres, Florida, Maksuco.com is a web design company. They offer Web Design and UX/UI Design and were launched in 2008.

    Read more
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  • QodeXperts Logotype

    QodeXperts

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    15% JavaScript
    20% PHP
    15% AJAX +4
    15% HTML5
    15% SQL
    10% Python
    10% Redux

    QodeXperts, a software development firm, was founded in 2021. The team provides Custom Software Development and Web Development and is located in Ranchi, India.

    Read more
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  • Orage Technologies Logotype

    Orage Technologies

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Custom Software Development
    15% Search Engine Optimization +7
    15% Social Media Marketing
    10% Low/No Code Development
    10% Pay Per Click
    10% Web Design
    5% Content Marketing
    5% Email Marketing
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    10% C
    10% C# +11
    10% C++
    10% PHP
    10% Python
    5% AJAX
    5% ASP.NET
    5% HTML5
    5% Kotlin
    5% SQL
    5% Typescript
    5% Visual Basic
    5% XML

    Launched in 2022, Orage Technologies is a midsize custom software development firm. Their services include Custom Software Development and Social Media Marketing.

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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:

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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
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Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

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

List of the Top 15 JavaScript Development Companies

  1. Brainhub Logotype

    Brainhub

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

    Ability to deliver

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

    Service focus

    50% Web Development
    75% JavaScript
    50% 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. xfive Logotype

    xfive

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

    Ability to deliver

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

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  4. The Software House Logotype

    The Software House

    $10,000+
    $50 - $99 / hr
    50 - 249
    Gliwice, Poland

    Ability to deliver

    39.4/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    45% Web Development
    60% JavaScript
    55% Other
    View Profile Visit Website
  5. ATEAM SOFT SOLUTIONS Logotype

    ATEAM SOFT SOLUTIONS

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

    Ability to deliver

    38.1/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

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

    Airdev

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

    Ability to deliver

    39.1/40.0
    19.8/20 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. 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
  8. Softonix Logotype

    Softonix

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

    Ability to deliver

    36.9/40.0
    18/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  9. Toptal Logotype

    Toptal

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

    Ability to deliver

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

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  10. 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
  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. 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
  15. 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
  16. HTMLPanda Logotype

    HTMLPanda

    $1,000+
    < $25 / hr
    250 - 999
    Boston, 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
  17. Sigma Software Group Logotype

    Sigma Software Group

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

    Ability to deliver

    38.8/40.0
    19/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

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

    Incora

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

    Ability to deliver

    37.2/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    9/10 Market Presence

    Service focus

    40% Web Development
    50% 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

    36.4/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  21. WPWeb Infotech Logotype

    WPWeb Infotech

    $5,000+
    < $25 / hr
    50 - 249
    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
  22. Human Made Logotype

    Human Made

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

    Ability to deliver

    38.2/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    100% Web Development
    30% JavaScript
    View Profile Visit Website
  23. Arcanys Logotype

    Arcanys

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

    Ability to deliver

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

    Service focus

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

    Experion Technologies

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

    Ability to deliver

    36.8/40.0
    17.2/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    20% Web Development
    25% JavaScript
    80% 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. Blazity Logotype

    Blazity

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

    Ability to deliver

    37.5/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    9.2/10 Market Presence

    Service focus

    50% Web Development
    70% JavaScript
    50% Other
    View Profile Visit Website
  27. XWP Logotype

    XWP

    $50,000+
    $150 - $199 / hr
    50 - 249
    Chelsea, Australia

    Ability to deliver

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

    Service focus

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

    Probey Services

    $1,000+
    < $25 / hr
    1,000 - 9,999
    London, England

    Ability to deliver

    36.5/40.0
    19.2/20 Reviews
    9.3/10 Clients & Experience
    8/10 Market Presence

    Service focus

    20% Web Development
    25% JavaScript
    80% Other
    View Profile Visit Website
  29. Vincit Logotype

    Vincit

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

    Ability to deliver

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

    Service focus

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

    Oshyn

    $25,000+
    $100 - $149 / hr
    50 - 249
    Long Beach, CA

    Ability to deliver

    36.2/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    8/10 Market Presence

    Service focus

    100% Web Development
    40% JavaScript
    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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