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Top JavaScript Developers

JavaScript powers everything from interactive websites to complex enterprise applications. Partnering with an experienced JavaScript development agency ensures your product is fast, secure, and ready to scale. Clutch makes it easy to find trusted providers by publishing in-depth, verified client reviews and transparent performance data. Use our filters to sort agencies by budget, location, framework expertise, and more. Looking for regional specialists? Browse firms in the United States, United Kingdom, or Canada to compare portfolios and pricing in your market. Start exploring today and shortlist partners that align with your goals.
Ratings Updated: April 1, 2026
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15 Leaders 15 Contenders

21,842 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Featured

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    Digis, a Fiverr company (NYSE: FVRR) Logotype

    Digis, a Fiverr company (NYSE: FVRR)

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

    Services provided

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

    Focus Areas

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

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

    See all 89 projects
    6 of 6 JavaScript reviews are 5 stars
    1 new review for JavaScript in past 6 months
    $10,000 – $49,000 avg. project cost

    JavaScript Experience

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

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    Industry Experience

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

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    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)
    $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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  • Umaru Creative Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    Freelancer
    Jyväskylä, Finland

    Services provided

    30% Web Development
    30% Web Design
    20% Pay Per Click +1
    20% Social Media Marketing

    Focus Areas

    30% JavaScript
    50% HTML5
    20% Go

    Umaru Creative is a web design agency founded in 2025. The team specializes in Web Design and Web Development.

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  • Woitas Webdesign Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    Freelancer
    Fürth, Germany

    Services provided

    30% Web Development
    40% Web Design
    20% Search Engine Optimization +1
    10% Marketing Strategy

    Focus Areas

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

    Woitas Webdesign is a web design company. Headquartered in Fürth, Germany, their small team provides Web Design and Web Development. The firm was founded in 2015.

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  • CacheLogic Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    50 - 249
    Lahore, Pakistan

    Services provided

    10% Web Development
    20% AI Agents
    20% AI Development +4
    20% Custom Software Development
    10% Microservices Architecture Services
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

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

    CacheLogic, a software development firm, was launched in 2023. The team offers Custom Software Development and Artificial Intelligence.

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  • Razornext - A Razorpod Group Company Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    10% JavaScript
    10% Ember.js
    10% HTML5 +7
    10% Java
    10% PHP
    10% Redux
    10% SQL
    10% Scala
    10% Typescript
    10% jquery

    Razornext - A Razorpod Group Company, a midsize software development firm, is located in Gurugram, India. Their services include Custom Software Development and Web Development.

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  • CodeXpace Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    50 - 249
    Lahore, Pakistan

    Services provided

    20% Web Development
    20% AI Development
    20% Email Marketing +2
    20% IT Managed Services
    20% Web Design

    Focus Areas

    10% JavaScript
    20% Other programming & scripting languages
    15% Ember.js +5
    15% UnrealScript
    10% Kotlin
    10% Objective C
    10% Python
    10% Redux

    CodeXpace, an Email Marketing company, provides Email Marketing and Web Design. The firm is headquartered in Lahore, Pakistan.

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  • Connect Nisa Logotype

    Connect Nisa

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    Freelancer

    Services provided

    25% Web Development
    25% Branding
    25% E-Commerce Development +1
    25% Web Design

    Focus Areas

    35% JavaScript
    35% jquery
    30% HTML5

    Founded in 2025, Connect Nisa, a small branding company, is based in karachi, Pakistan. Their services include Branding and Web Design.

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  • Linchpin Technologies Private Limited Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    50 - 249
    Noida, India

    Services provided

    10% Web Development
    30% Mobile App Development
    20% Custom Software Development +5
    10% Application Management & Support
    10% E-Commerce Development
    10% ERP Consulting and SI
    5% Application Testing
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    20% Java
    20% Objective C +6
    15% PHP
    10% ASP.NET
    10% Other programming & scripting languages
    5% AJAX
    5% C#
    5% SQL

    Founded in 2011, Linchpin Technologies Private Limited is a midsize mobile app development firm. Their team specializes in Mobile App Development and Custom Software Development.

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  • zCon Solutions Logotype

    zCon Solutions

    Not yet reviewed

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

    Services provided

    10% Web Development
    50% Custom Software Development
    20% IT Managed Services +3
    10% Mobile App Development
    5% Blockchain
    5% E-Commerce Development

    Focus Areas

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

    ZCon Solutions is a custom software development firm. The India-based team provides Custom Software Development and IT managed services.

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  • InterWorks Logotype

    InterWorks

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249

    Services provided

    10% Web Development
    10% Application Management & Support
    10% Cloud Consulting & SI +8
    10% Custom Software Development
    10% E-Commerce Development
    10% Mobile App Development
    10% Product Design
    10% UX/UI Design
    10% Web Design
    5% AI Development
    5% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Java +10
    10% PHP
    10% Python
    10% SQL
    10% XML
    5% ASP
    5% C
    5% C#
    5% C++
    5% Kotlin
    5% Redux

    Founded in 2004, InterWorks, a midsize custom software development firm, is headquartered in Bitola, North Macedonia. Their services include Custom Software Development and UX/UI Design.

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  • Infomex Sp. z o.o. Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    55% Custom Software Development
    15% Cloud Consulting & SI +2
    10% CRM Consulting and SI
    10% ECM Consulting and SI

    Focus Areas

    10% JavaScript
    30% C#
    30% Python +1
    30% SQL

    Founded in 1994, Infomex Sp. Z o.o. Is a midsize software development company located in Żywiec, Poland. Their team focuses on Custom Software Development and cloud consulting & SI.

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  • Fidel Softech Pvt Ltd Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% IT Staff Augmentation
    20% Translation +7
    10% Enterprise App Modernization
    10% Other IT Consulting and SI
    10% Transcription
    5% Application Management & Support
    5% Application Testing
    5% Custom Software Development
    5% Mobile App Development

    Focus Areas

    10% JavaScript
    20% PHP
    15% Java +8
    15% Python
    10% SQL
    5% ASP.NET
    5% C#
    5% Objective C
    5% Swift
    5% Typescript
    5% Visual Basic

    Founded in 2003, Fidel Softech Pvt Ltd is an IT staff augmentation company. The team offers IT staff augmentation and Translation.

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  • ReliSource Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Bedford, MA

    Services provided

    10% Web Development
    20% Custom Software Development
    10% AI Development +10
    10% IoT Development
    10% Mobile App Development
    5% Application Management & Support
    5% Application Testing
    5% Cloud Consulting & SI
    5% Cybersecurity
    5% IT Strategy Consulting
    5% Product Design
    5% UX/UI Design
    5% Web Design

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% Apex +11
    10% C#
    10% Java
    10% Python
    5% ASP
    5% C
    5% C++
    5% Objective C
    5% PHP
    5% SQL
    5% Visual Basic
    5% XML

    ReliSource, a midsize custom software development company, is in Bedford, Massachusetts and Dhaka, Bangladesh. The team specializes in Custom Software Development and Web Development.

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  • Yozu Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    40% Custom Software Development
    30% Mobile App Development +1
    20% Enterprise App Modernization

    Focus Areas

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

    Yozu is a midsize custom software development firm founded in 2013. Their team focuses on Custom Software Development and Mobile App Development.

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  • Breeze End Technology, LLC Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    50 - 249
    Alexandria, VA

    Services provided

    10% Web Development
    10% Cloud Consulting & SI
    10% Content Marketing +7
    10% Custom Software Development
    10% Cybersecurity
    10% E-Commerce Development
    10% Mobile & App Marketing
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

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

    Breeze End Technology, LLC is a midsize Alexandria, Virginia-based social media marketing firm. Their services include Social Media Marketing and Content Marketing.

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  • UniSoftwares Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    50 - 249
    Chicago, IL

    Services provided

    10% Web Development
    10% Custom Software Development
    10% Mobile App Development +12
    10% Pay Per Click
    10% Search Engine Optimization
    5% AI Development
    5% Application Management & Support
    5% Call Center Services
    5% Digital Strategy
    5% E-Commerce Development
    5% Enterprise App Modernization
    5% Graphic Design
    5% IoT Development
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

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

    Established in 2011, UniSoftwares is a SEO services firm. The agency provides Search Engine Optimization and Pay Per Click, and is midsize.

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  • STPL IT Solutions Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    50 - 249
    San Mateo, CA

    Services provided

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

    Focus Areas

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

    Based in San Mateo, California and Lucknow, India, STPL IT Solutions is a web design agency. They offer Web Design and UX/UI Design.

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  • Raheem Solutions Pvt Limited Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    50 - 249
    Lahore, Pakistan

    Services provided

    10% Web Development
    15% Blockchain
    12% Custom Software Development +10
    10% Back Office Outsourcing
    10% Mobile App Development
    10% Warehousing & Distribution
    5% Application Management & Support
    5% Blockchain Marketing
    5% Call Center Services
    5% Customer Service Outsourcing
    5% E-Commerce Development
    5% Logistics & Supply Chain Consulting
    3% Product Marketing

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +15
    10% Kotlin
    5% AJAX
    5% ASP
    5% C++
    5% PHP
    5% Python
    5% Redux
    5% Ruby
    5% SQL
    5% Visual Basic
    4% Typescript
    3% Objective C
    3% Perl
    3% Swift
    2% Delphi

    Blockchain company Raheem Solutions Pvt Limited is in Lahore, Pakistan and Bankstown, Australia. They specialize in Blockchain and Custom Software Development and were launched in 2016.

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  • Macron Solutions Limited Logotype

    Macron Solutions Limited

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    Freelancer

    Services provided

    20% Web Development
    30% Low/No Code Development
    20% Application Management & Support +2
    15% Custom Software Development
    15% E-Commerce Development

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% C# +3
    20% SQL
    10% HTML5
    10% Typescript

    Low/No Code Development company Macron Solutions Limited was launched in 2019. The agency focuses on Low/No Code Development and Web Development.

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  • Stabilix Corporation Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    50 - 249
    San Antonio, TX

    Services provided

    10% Web Development
    10% API Development
    10% Mobile App Development +14
    5% AI Consulting
    5% AI Development
    5% Application Management & Support
    5% Application Testing
    5% BI & Big Data Consulting & SI
    5% Blockchain
    5% Custom Software Development
    5% DevOps Managed Services
    5% E-Commerce Development
    5% Enterprise App Modernization
    5% IT Managed Services
    5% IT Staff Augmentation
    5% IT Strategy Consulting
    5% Other IT Consulting and SI

    Focus Areas

    10% JavaScript
    10% ASP
    10% ASP.NET +10
    10% PHP
    10% Python
    10% SQL
    10% XML
    5% C#
    5% C++
    5% HTML5
    5% Java
    5% Ruby
    5% backbone.js

    Established in 1998, Stabilix Corporation is a midsize web development firm based in San Antonio, Texas and Kazhakkoottam, India. Their team offers Web Development and Mobile App Development.

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  • Blues Brackets Logotype

    5.0 1 review
    $5,000+
    $50 - $99 / hr
    2 - 9
    Wrocław, Poland

    Services provided

    20% Web Development
    40% Custom Software Development
    20% IoT Development +1
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    30% C
    30% Kotlin +2
    20% Typescript
    10% Python

    Blues Brackets offers Website Development, including Web Design and Web Programming services. Their reviews emphasize a professional yet friendly approach, timely project completion, and a strong focus on modern technologies. Clients appreciate the flexibility, responsiveness to feedback, and the positive impact on customer acquisition and operational efficiency.

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  • InnCoders Logotype

    InnCoders

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Web Design
    10% Cloud Consulting & SI +6
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Strategy Consulting
    10% Mobile & App Marketing
    10% Mobile App Development
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    30% ASP.NET
    20% PHP +3
    20% SQL
    10% AJAX
    10% ASP

    InnCoders is a web design agency founded in 2011. The small team offers Web Design and Custom Software Development.

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  • MBARC LABS Inc Logotype

    MBARC LABS Inc

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Custom Software Development
    25% IoT Development +3
    25% Mobile App Development
    5% AI Development
    5% E-Commerce Development

    Focus Areas

    10% JavaScript
    25% Swift
    15% PHP +7
    10% C
    10% Java
    10% Kotlin
    5% C++
    5% Objective C
    5% Python
    5% SQL

    MBARC LABS Inc is a software development firm established in 2012. The company offers Custom Software Development and IoT development.

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  • Keen To Design Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    55% Web Design
    15% E-Commerce Development +2
    10% Search Engine Optimization
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    80% PHP
    5% AJAX +1
    5% SQL

    Launched in 2014, Keen To Design is a web design agency. The team specializes in Web Design and Web Development.

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  • The Website Baba Logotype

    The Website Baba

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Web Design
    20% Graphic Design +3
    15% Branding
    15% E-Commerce Development
    10% UX/UI Design

    Focus Areas

    11% JavaScript
    11% AJAX
    11% PHP +10
    11% Python
    11% Swift
    6% C++
    6% Ember.js
    6% Objective C
    6% Perl
    6% Redux
    6% Ruby
    6% Visual Basic
    3% SQL

    Web design company The Website Baba was established in 2007. The company provides Web Design and Graphic Design.

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  • UI Pirate by Vishal Anand Logotype

    UI Pirate by Vishal Anand

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% UX/UI Design
    20% Custom Software Development +2
    20% Enterprise App Modernization
    20% Product Design

    Focus Areas

    10% JavaScript
    40% HTML5
    35% Typescript +1
    15% Redux

    UI Pirate by Vishal Anand, an user experience agency, is in Ranchi, India. Their services include UX/UI Design and Product Design.

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  • tweakco Logotype

    tweakco

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Custom Software Development
    10% IT Staff Augmentation +13
    10% Mobile App Development
    5% API Development
    5% Application Management & Support
    5% Application Testing
    5% Computer Engineering
    5% E-Commerce Development
    5% Enterprise App Modernization
    5% IT Managed Services
    5% Microservices Architecture Services
    5% Mobile & App Marketing
    5% Search Engine Optimization
    5% Social Media Marketing
    5% Wearable App Development

    Focus Areas

    10% JavaScript
    20% Other programming & scripting languages
    10% Ember.js +6
    10% Java
    10% Objective C
    10% PHP
    10% Python
    10% Swift
    10% Visual Basic

    Tweakco is an IT staff augmentation company. The small Edinburgh, Scotland-based team offers IT staff augmentation and Custom Software Development. The company was established in 2022.

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  • Marvel Digital Studio Logotype

    Marvel Digital Studio

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    50 - 249

    Services provided

    10% Web Development
    20% E-Commerce Development
    10% AR/VR Development +6
    10% Branding
    10% Digital Strategy
    10% Marketing Strategy
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    13% JavaScript
    25% PHP
    25% Python +2
    24% SQL
    13% Java

    Marvel Digital Studio is an e-commerce development firm based in New York, New York. The team focuses on E-Commerce Development and Branding.

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  • Relictrio - Offshore Development center in India | Recruitment services | IT Services Logotype

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

    Services provided

    10% Web Development
    25% IT Staff Augmentation
    20% Business Consulting +4
    20% IT Managed Services
    10% E-Commerce Development
    10% Mobile App Development
    5% IT Strategy Consulting

    Focus Areas

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

    Relictrio - Offshore Development center in India | Recruitment services | IT Services specializes in Website Development, Web Design, and Web Programming. Reviews highlight their professionalism, attention to detail, and effective project management. Clients particularly commend their ability to deliver high-quality, optimized websites that enhance online presence and client satisfaction.

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  • Sapdra Pvt. Ltd. Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Other Digital Marketing
    20% Search Engine Optimization +5
    10% Digital Strategy
    10% E-Commerce Development
    10% Mobile & App Marketing
    10% Mobile App Development
    10% Pay Per Click

    Focus Areas

    10% JavaScript
    30% PHP
    20% Java +3
    20% SQL
    10% ASP
    10% Other programming & scripting languages

    In Noida, India and Clearwater, Florida, Sapdra Pvt. Ltd. Is an Other Digital Marketing company. Established in 2011, the team focuses on Other Digital Marketing and Search Engine Optimization.

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  • Playdev Piotr Szary Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    Freelancer
    Bielicha, Poland

    Services provided

    25% Web Development
    35% E-Commerce Development
    10% Custom Software Development +3
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    40% C#
    30% PHP +2
    10% AJAX
    10% SQL

    Playdev Piotr Szary is a small Bielicha, Poland-based e-commerce development firm. The team offers E-Commerce Development and Web Development.

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  • One Touch Web Designs Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Canberra, Australia

    Services provided

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

    Focus Areas

    22% JavaScript
    34% SQL
    33% PHP +1
    11% ASP

    One Touch Web Designs, an user experience design agency, was launched in 2013. The team specializes in UX/UI Design and E-Commerce Development.

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  • Digital SKYLINK Logotype

    Digital SKYLINK

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Digital Strategy
    15% Mobile App Development +6
    10% Content Marketing
    10% E-Commerce Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    22% JavaScript
    33% PHP
    22% SQL +2
    12% AJAX
    11% XML

    Digital SKYLINK, a small Digital Strategy company, is located in Ahmedabad, India. The team focuses on Digital Strategy and Mobile App Development.

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  • Prami Growth Agency Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Helsinki, Finland

    Services provided

    22% Web Development
    22% CRM Consulting and SI
    17% Web Design +16
    6% Content Marketing
    5% Email Marketing
    2% Account-Based Marketing
    2% Advertising
    2% Conversion Optimization
    2% Demand Generation Marketing
    2% Digital Strategy
    2% Fractional CMO Services
    2% Graphic Design
    2% Market Research
    2% Marketing Strategy
    2% Other Design
    2% Pay Per Click
    2% Search Engine Optimization
    2% Social Media Marketing
    2% UX/UI Design

    Focus Areas

    10% JavaScript
    80% Other programming & scripting languages
    10% jquery

    Content Marketing company Prami Growth Agency is headquartered in Helsinki, Finland. Their services include Content Marketing and Digital Strategy.

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  • TECHAX LABS LLP Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AR/VR Development
    20% Logo +7
    10% Web Design
    5% Custom Software Development
    5% E-Commerce Development
    5% Graphic Design
    5% Mobile App Development
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    12% JavaScript
    24% XML
    12% C# +6
    12% PHP
    12% Python
    12% SQL
    6% Java
    6% Swift
    4% AJAX

    TECHAX LABS LLP is a Logo company based in Patna, India and Kolkata, India. They offer Logo and Web Development.

    Read more
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  • SpectreX Web Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Custom Software Development
    10% AI Development +5
    10% CRM Consulting and SI
    10% E-Commerce Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    20% C
    20% C++ +4
    15% PHP
    15% Python
    10% HTML5
    10% Java

    SpectreX Web is a software development company. The team is based in Miami, Florida, and their services include Custom Software Development and Search Engine Optimization.

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  • SEO UNIFIED Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    80% Search Engine Optimization
    5% Conversion Optimization +1
    5% Other Digital Marketing

    Focus Areas

    15% JavaScript
    55% PHP
    25% SQL +1
    5% Other programming & scripting languages

    SEO UNIFIED is a SEO services firm founded in 2020. The team specializes in Search Engine Optimization and Web Development and is in Bhubaneswar, India.

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  • IURCO Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    50 - 249
    Cañuelas, Argentina

    Services provided

    10% Web Development
    40% E-Commerce Development
    15% UX/UI Design +5
    10% AR/VR Development
    10% Custom Software Development
    5% AI Development
    5% Blockchain
    5% Mobile App Development

    Focus Areas

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

    IURCO, an e-commerce development firm, is based in Cañuelas, Argentina. Founded in 2016, the team offers E-Commerce Development and UX/UI Design.

    Read more
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  • WebDojo Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    15% Digital Strategy +3
    15% Logo
    15% Social Media Marketing
    15% Web Design

    Focus Areas

    15% JavaScript
    15% C#
    15% C++ +4
    15% Java
    15% PHP
    15% SQL
    10% Python

    WebDojo is an e-commerce development firm founded in 2017. The firm focuses on E-Commerce Development and Web Development, and is small.

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  • AW Technology dev Logotype

    AW Technology dev

    Not yet reviewed

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

    Services provided

    10% Web Development
    50% Custom Software Development
    20% E-Commerce Development +2
    15% Mobile App Development
    5% API Development

    Focus Areas

    25% JavaScript
    25% PHP
    25% Python +1
    25% SQL

    AW Technology dev, a software development firm, is based in Buenos Aires, Argentina. They focus on Custom Software Development and E-Commerce Development and were launched in 2023.

    Read more
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  • Exaditama Teknologi Kreativa Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    10 - 49
    Bandung, Indonesia

    Services provided

    20% Web Development
    20% Mobile App Development
    10% AI Development +6
    10% Blockchain
    10% E-Commerce Development
    10% UX/UI Design
    10% Web Design
    5% BI & Big Data Consulting & SI
    5% IT Managed Services

    Focus Areas

    10% JavaScript
    20% Kotlin
    20% Python +4
    20% Swift
    10% Java
    10% PHP
    10% SQL

    Exaditama Teknologi Kreativa is a mobile application development company located in Bandung, Indonesia. They focus on Mobile App Development and Web Development.

    Read more
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  • Aidnet Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    T'bilisi, Georgia

    Services provided

    20% Web Development
    20% Custom Software Development
    20% IT Staff Augmentation +3
    20% Mobile App Development
    10% E-Commerce Development
    10% Other Application Development

    Focus Areas

    10% JavaScript
    30% C#
    10% ASP.NET +5
    10% Java
    10% Kotlin
    10% SQL
    10% Swift
    10% Typescript

    Aidnet is an IT staff augmentation company. Founded in 2020, the agency provides IT staff augmentation and Custom Software Development.

    Read more
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  • Volyo Solutions Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    10% Custom Software Development +7
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design
    5% Graphic Design
    5% Logo
    5% Mobile & App Marketing
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    30% PHP
    20% Python +3
    15% ASP.NET
    15% C#
    10% Java

    Small web development company Volyo Solutions , is headquartered in Jaipur, India. The team offers Web Development and E-Commerce Development.

    Read more
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  • Mind by Gab Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Custom Software Development
    30% Mobile App Development +1
    30% UX/UI Design

    Focus Areas

    20% JavaScript
    35% Swift
    20% Java +2
    20% Python
    5% Other programming & scripting languages

    Mind by Gab is an UX design company based in Aventura, Florida. The team provides UX/UI Design and Custom Software Development.

    Read more
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  • AppNexus Technology Pvt Ltd Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Web Design
    15% Mobile App Development +8
    10% Custom Software Development
    10% E-Commerce Development
    10% Search Engine Optimization
    5% Blockchain
    5% IT Strategy Consulting
    5% Low/No Code Development
    5% Other Application Development
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    25% PHP
    15% HTML5 +6
    10% Objective C
    10% Other programming & scripting languages
    10% Python
    10% SQL
    5% Go
    5% XML

    AppNexus Technology Pvt Ltd is a web design agency. The team specializes in Web Design and Mobile App Development, and the firm is in Noida, India.

    Read more
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  • Zee Developer Logotype

    Zee Developer

    Not yet reviewed

    Undisclosed
    < $25 / hr
    Freelancer

    Services provided

    34% Web Development
    33% E-Commerce Development
    33% Web Design

    Focus Areas

    25% JavaScript
    50% HTML5
    15% Other programming & scripting languages +1
    10% PHP

    Zee Developer is a website development company. In Islamabad, Pakistan, their team offers Web Development and Web Design.

    Read more
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  • Infinikey Media Private Limited Logotype

    5.0 1 review
    $5,000+
    Undisclosed
    10 - 49
    New Delhi, India

    Services provided

    10% Web Development
    10% Digital Strategy
    10% Pay Per Click +12
    10% Search Engine Optimization
    10% Web Design
    5% Content Marketing
    5% Ecommerce Marketing
    5% Email Marketing
    5% Graphic Design
    5% Logo
    5% Market Research
    5% Mobile & App Marketing
    5% Mobile App Development
    5% Other Digital Marketing
    5% Social Media Marketing

    Focus Areas

    15% JavaScript
    60% Other programming & scripting languages
    25% PHP

    Infinikey Media Private Limited offers SEO services, demonstrating expertise in increasing organic traffic, improving search rankings, and enhancing website conversions. Reviews highlight their professional team, timely project management, and notable attention to detail. Clients commend their innovative strategies and personalized approach, though some suggest more proactive communication could further enhance collaboration.

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  • QaiWare Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% API Development
    10% Application Management & Support +7
    10% Blockchain
    10% Custom Software Development
    10% Enterprise App Modernization
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Other Application Development

    Focus Areas

    15% JavaScript
    50% Java
    15% C# +4
    5% Objective C
    5% PHP
    5% Python
    5% Ruby

    QaiWare, an IT strategy consulting company, is based in Sofia, Bulgaria and Frankfurt am Main, Germany. The team offers IT strategy consulting and IT managed services.

    Read more
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  • iColdo Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% E-Commerce Development
    25% Mobile App Development +3
    15% IT Strategy Consulting
    10% Custom Software Development
    10% Web Design

    Focus Areas

    15% JavaScript
    20% PHP
    15% Objective C +8
    10% C#
    10% Java
    5% AJAX
    5% C
    5% C++
    5% Python
    5% Swift
    5% XML

    IColdo, an e-commerce development firm, was launched in 2008. The small team provides E-Commerce Development and Mobile App Development.

    Read more
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  • 1218 App Team Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    10 - 49
    San Diego, CA

    Services provided

    10% Web Development
    30% Mobile App Development
    25% Custom Software Development +6
    10% UX/UI Design
    5% AI Development
    5% Cloud Consulting & SI
    5% E-Commerce Development
    5% IoT Development
    5% Wearable App Development

    Focus Areas

    15% JavaScript
    15% ASP.NET
    15% C# +4
    15% HTML5
    15% SQL
    15% Swift
    10% Objective C

    Established in 2013, 1218 App Team is a small mobile app development company. Their team provides Mobile App Development and Custom Software Development.

    Read more
    View Profile
  • STARLAB Logotype

    STARLAB

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Mobile App Development
    10% Custom Software Development +12
    5% AI Development
    5% AR/VR Development
    5% Application Management & Support
    5% CRM Consulting and SI
    5% ERP Consulting and SI
    5% Graphic Design
    5% IT Managed Services
    5% IT Strategy Consulting
    5% Logo
    5% Product Design
    5% UX/UI Design
    5% Web Design

    Focus Areas

    10% JavaScript
    20% Java
    10% Objective C +6
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% Ruby
    10% SQL
    10% Swift

    STARLAB is an app development firm launched in 2012. Their team offers Mobile App Development and Web Development.

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Ability to deliver
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Clutch Leaders Matrix

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

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

List of the Top 15 JavaScript Development Companies

  1. xfive Logotype

    xfive

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

    Ability to deliver

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

    Service focus

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

    ImageX

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

    Ability to deliver

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

    Service focus

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

    Brainhub

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

    Ability to deliver

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

    Service focus

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

    ATEAM SOFT SOLUTIONS

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

    Ability to deliver

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

    Service focus

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

    The Software House

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

    Ability to deliver

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

    Service focus

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

    Xmartlabs

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

    Ability to deliver

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

    Service focus

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

    Airdev

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

    Ability to deliver

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

    Service focus

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

    WPWeb Infotech

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

    Ability to deliver

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

    Service focus

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

    Lizard Global

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

    Ability to deliver

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

    Service focus

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

    Softonix

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

    Ability to deliver

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

    Service focus

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

    INOXOFT

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

    Ability to deliver

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

    Service focus

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

    PopArt Studio

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

    Ability to deliver

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

    Service focus

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

    GeekyAnts

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

    Ability to deliver

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

    Service focus

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

    Incora

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

    Ability to deliver

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

    Service focus

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

    SpdLoad

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

    Ability to deliver

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

    Service focus

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

    Brainium Information Technologies

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

    Ability to deliver

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

    Service focus

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

    Toptal

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

    Ability to deliver

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

    Service focus

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

    HTMLPanda

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

    Ability to deliver

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

    Service focus

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

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

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

    Service focus

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

    PowerGate Software

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

    Ability to deliver

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

    Service focus

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

    Experion Technologies

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

    Ability to deliver

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

    Service focus

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

    Scopic

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

    Ability to deliver

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

    Service focus

    25% Web Development
    25% JavaScript
    75% Other
    View Profile Visit Website
  24. Arcanys Logotype

    Arcanys

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

    Ability to deliver

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

    Service focus

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

    Cleveroad

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

    Ability to deliver

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

    Service focus

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

    Human Made

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

    Ability to deliver

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

    Service focus

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

    Blazity

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

    Ability to deliver

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

    Service focus

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

    Sigma Software Group

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

    Ability to deliver

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

    Service focus

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

    Vangwe

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

    Ability to deliver

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

    Service focus

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

    Vincit

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

    Ability to deliver

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

    Service focus

    30% Web Development
    30% JavaScript
    70% Other
    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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