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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: December 23, 2025
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15 Leaders 15 Contenders

21,445 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

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    Digis, a Fiverr company (NYSE: FVRR) Logotype

    Digis, a Fiverr company (NYSE: FVRR)

    4.9 87 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), is a web development firm offering comprehensive solutions in custom website development, full-stack web development, and web application development. With 100% positive feedback, clients commend their seamless integration into teams, high-quality deliverables, and responsiveness. Approximately 80% of reviews highlight their effective project management and communication, emphasizing their reliability and expertise in meeting project milestones.

    See all 87 projects
    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

    Development Staff Augmentation for Online Cooking Platform

    5.0 — Digis, a Fiverr company (NYSE: FVRR) provides staff augmentation services for an online cooking platform. The team is fully integrated into the client's existing agile squads and contributes to the Read more
    Read 22 Reviews

    Industry Experience

    Digis has demonstrated strong expertise across several industries, notably manufacturing, information technology, media, and education. Clients highlighted their effective project management, timely delivery, and high-quality work. In manufacturing, Digis improved website functionality, enhancing user experience. In IT, they provided specialized development support, notably in Scala and React, leading to increased efficiency. Overall, client feedback reflects a positive sentiment, suggesting strong alignment for projects across these sectors.

    Read All Reviews

    Select Industry to see insights

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

    View projects from:

    United States (27) Germany (7) Ukraine (7) England (4) France (4) Israel (3) South Africa (2) Canada (2) Italy (2) Sweden (2) Spain (2) Ireland (1) Netherlands (1) New Zealand (1) Poland (1) Romania (1) Russia (1) Lithuania (1) Latvia (1) Japan (1) Australia (1) Georgia (1) Scotland (1) Estonia (1)
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  • Forward Digital Logotype

    Forward Digital

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Custom Software Development
    25% Mobile App Development +1
    25% Web Design

    Focus Areas

    10% JavaScript
    50% Typescript
    30% C# +1
    10% SQL

    Established in 2020, Forward Digital is a small London, England-based web design company. Their team specializes in Web Design and Custom Software Development.

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  • BYOT Technologies Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +5
    10% E-Commerce Development
    10% Mobile & App Marketing
    10% Search Engine Optimization
    5% Pay Per Click
    5% Social Media Marketing

    Focus Areas

    15% JavaScript
    25% SQL
    25% Swift +2
    20% Typescript
    15% PHP

    BYOT Technologies is a small custom software development company based in Coimbatore, India. The team specializes in Custom Software Development and Mobile App Development.

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  • Damn Perfect Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    28% Branding
    12% Logo +5
    10% Mobile App Development
    10% Packaging Design
    10% UX/UI Design
    10% Web Design
    5% E-Commerce Development

    Focus Areas

    20% JavaScript
    20% AJAX
    20% Kotlin +2
    20% PHP
    20% SQL

    Damn Perfect is a small branding agency in Jaipur, India. Their services include Branding and Web Development.

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  • ECOM WEB DESIGN Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    San Juan, Puerto Rico

    Services provided

    25% Web Development
    25% Web Design
    20% Social Media Marketing +3
    10% Content Marketing
    10% Email Marketing
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    80% PHP
    10% SQL

    ECOM WEB DESIGN is a web design company founded in 2019. The team offers Web Design and Web Development.

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  • Ukiiki Logotype

    Not yet reviewed

    $1,000+
    $150 - $199 / hr
    2 - 9
    Carlsbad, CA

    Services provided

    20% Web Development
    30% Search Engine Optimization
    20% E-Commerce Development +2
    20% Web Design
    10% UX/UI Design

    Focus Areas

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

    Ukiiki is a SEO agency. The Carlsbad, California-based firm provides Search Engine Optimization and Web Design.

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  • CosmosSoft Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Jharpo, India

    Services provided

    10% Web Development
    15% E-Commerce Development
    15% Low/No Code Development +6
    15% Mobile App Development
    15% Search Engine Optimization
    10% Custom Software Development
    10% Web Design
    5% AR/VR Development
    5% UX/UI Design

    Focus Areas

    25% JavaScript
    40% PHP
    25% Java +2
    5% Python
    5% SQL

    CosmosSoft is a website development company. The firm is located in Jharpo, India. Their services include Web Development and Search Engine Optimization.

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  • Ddmetrics Logotype

    Ddmetrics

    Not yet reviewed

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

    Services provided

    15% Web Development
    30% Pay Per Click
    30% Search Engine Optimization +3
    14% Low/No Code Development
    10% E-Commerce Development
    1% Web Design

    Focus Areas

    20% JavaScript
    50% SQL
    30% Redux

    Ddmetrics is a small SEO company. They offer Search Engine Optimization and Pay Per Click and were founded in 2022.

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  • AAdigital Biz Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Kwun Tong, Hong Kong

    Services provided

    10% Web Development
    20% Search Engine Optimization
    20% Web Design +6
    15% Digital Strategy
    10% Content Marketing
    10% Low/No Code Development
    5% Graphic Design
    5% IT Managed Services
    5% Logo

    Focus Areas

    25% JavaScript
    20% PHP
    20% SQL +4
    10% AJAX
    10% HTML5
    10% Python
    5% C++

    AAdigital Biz is a web design company founded in 2010. The company provides Web Design and Search Engine Optimization.

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  • Links Infotech Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Mobile App Development
    25% Search Engine Optimization +1
    25% Web Design

    Focus Areas

    10% JavaScript
    25% PHP
    20% SQL +4
    15% AJAX
    15% HTML5
    10% ASP.NET
    5% jquery

    Links Infotech is a small SEO services firm headquartered in Navi Mumbai, India. The team provides Search Engine Optimization and Web Design.

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  • Tea Powered Projects Logotype

    Not yet reviewed

    $1,000+
    $150 - $199 / hr
    2 - 9
    Nottingham, England

    Services provided

    20% Web Development
    20% Web Design
    15% Custom Software Development +7
    10% API Development
    10% DevOps Managed Services
    5% Enterprise App Modernization
    5% Graphic Design
    5% Microservices Architecture Services
    5% Other Application Development
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    40% PHP
    20% Typescript +2
    15% SQL
    10% HTML5

    Tea Powered Projects, a web design agency, was established in 2016. The firm provides Web Design and Web Development.

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  • Febri Suryanto Logotype

    Febri Suryanto

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Logo
    25% UX/UI Design +1
    25% Video Production

    Focus Areas

    10% JavaScript
    55% PHP
    10% SQL +5
    5% AJAX
    5% HTML5
    5% Other programming & scripting languages
    5% XML
    5% jquery

    Launched in 2014, Febri Suryanto is an user experience company. The company provides UX/UI Design and Logo.

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  • TSCAmerica.com Logotype

    TSCAmerica.com

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Mobile App Development
    15% Other Application Development +3
    15% Web Design
    10% Enterprise App Modernization
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    50% PHP
    20% ASP.NET +2
    10% Apex
    10% Other programming & scripting languages

    TSCAmerica.com is a web design agency. Their team is based in and provides Web Design and Web Development.

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  • We Are Delve Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    London, England

    Services provided

    10% Web Development
    45% Web Design
    25% Search Engine Optimization +4
    5% E-Commerce Development
    5% Email Marketing
    5% Pay Per Click
    5% Social Media Marketing

    Focus Areas

    25% JavaScript
    25% HTML5
    25% Java +1
    25% PHP

    We Are Delve, a web design agency, was founded in 2008. The company provides Web Design and Search Engine Optimization, and is small.

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  • SwissTech Logotype

    SwissTech

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Branding
    10% Digital Strategy +7
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

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

    SwissTech is a Bratislava, Slovakia-based branding company. The team provides Branding and Digital Strategy.

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  • Xtnd Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Custom Software Development
    25% E-Commerce Development +1
    25% UX/UI Design

    Focus Areas

    10% JavaScript
    65% PHP
    10% SQL +2
    10% jquery
    5% HTML5

    Established in 2022, Xtnd is a small UX design agency. Their services include UX/UI Design and Custom Software Development.

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  • iDreams Technologies Logotype

    5.0 1 review
    $1,000+
    < $25 / hr
    10 - 49
    Nagpur, India

    Services provided

    20% Web Development
    40% Mobile App Development
    25% E-Commerce Development +2
    10% IT Strategy Consulting
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    20% PHP
    10% AJAX +6
    10% Java
    10% Objective C
    10% Python
    10% SQL
    10% Swift
    10% Visual Basic

    iDreams Technologies specializes in developing Android applications, with a strong focus on UI/UX design and backend support. Feedback highlights their professionalism, impressive deliverables, and effective communication. Clients appreciate their punctuality, transparency, and customer support, indicating a high level of satisfaction and successful project outcomes.

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  • Delonix software solutions Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49
    Hyderabad, India

    Services provided

    15% Web Development
    15% Mobile App Development
    10% Application Testing +7
    10% E-Commerce Development
    10% Other Application Development
    10% UX/UI Design
    10% Wearable App Development
    10% Web Design
    5% Logo
    5% Search Engine Optimization

    Focus Areas

    15% JavaScript
    15% ASP.NET
    15% XML +6
    10% C++
    10% Java
    10% Other programming & scripting languages
    10% PHP
    10% SQL
    5% ASP

    Delonix software solutions is a Hyderabad, India-based app development company. They offer Mobile App Development and Web Development and were established in 2013.

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  • Progton Technologies Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    10% Application Testing
    10% Custom Software Development +7
    10% IT Strategy Consulting
    10% Low/No Code Development
    10% Other IT Consulting and SI
    10% UX/UI Design
    10% Web Design
    5% HR Consulting
    5% IT Managed Services

    Focus Areas

    10% JavaScript
    40% Ruby
    20% Python +3
    10% Other programming & scripting languages
    10% Redux
    10% SQL

    Established in 2015, Progton Technologies is a small software development company headquartered in Bengaluru, India. Their team offers Custom Software Development and Web Development.

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  • Apps N Stuff Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    40% Mobile App Development
    20% ERP Consulting and SI +2
    10% Custom Software Development
    10% Search Engine Optimization

    Focus Areas

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

    Established in 2014, Apps N Stuff is a small Ahmedabad, India-based app development firm. Their services include Mobile App Development and ERP consulting and SI.

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  • PALSOFT India Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% E-Commerce Development +3
    20% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

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

    PALSOFT India, a custom software development firm, is based in Surat, India. The team offers Custom Software Development and E-Commerce Development.

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  • Richken Media Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    10% Custom Software Development
    10% E-Commerce Development +7
    10% Graphic Design
    10% Mobile App Development
    10% Product Design
    10% UX/UI Design
    10% Web Design
    5% Logo
    5% Print Design

    Focus Areas

    10% JavaScript
    30% PHP
    30% Python +4
    10% AJAX
    10% SQL
    5% C
    5% Java

    Richken Media, a small website development firm, is headquartered in Thiruvananthapuram, India. The team provides Web Development and Custom Software Development.

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  • Indus Valley Labs Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    40% Custom Software Development
    20% Mobile App Development +2
    10% E-Commerce Development
    10% Enterprise App Modernization

    Focus Areas

    10% JavaScript
    20% Java
    10% AJAX +6
    10% ASP.NET
    10% C
    10% C#
    10% PHP
    10% Python
    10% SQL

    Indus Valley Labs is a software development company launched in 2015. The firm specializes in Custom Software Development and Mobile App Development, and is small.

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  • Infinite Touch Logotype

    Not yet reviewed

    $50,000+
    $100 - $149 / hr
    10 - 49
    Carrick-On-Shannon, Ireland

    Services provided

    20% Web Development
    60% Mobile App Development
    10% UX/UI Design +2
    5% AR/VR Development
    5% Wearable App Development

    Focus Areas

    10% JavaScript
    25% Java
    25% PHP +2
    25% Swift
    15% Kotlin

    Infinite Touch is a Carrick-On-Shannon, Ireland-based mobile app development company. Established in 2011, the team specializes in Mobile App Development and Web Development.

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  • Expibotz Technologies Pvt Ltd Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Mobile App Development
    15% Social Media Marketing +7
    10% Custom Software Development
    10% E-Commerce Development
    5% Branding
    5% Mobile & App Marketing
    5% Search Engine Optimization
    5% UX/UI Design
    5% Web Design

    Focus Areas

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

    Expibotz Technologies Pvt Ltd, an app development company, was founded in 2012. The agency focuses on Mobile App Development and Web Development, and is small.

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  • CONCILIO ORBIS PVT LTD Logotype

    CONCILIO ORBIS PVT LTD

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Custom Software Development
    10% E-Commerce Development +7
    10% Logo
    10% Mobile App Development
    10% Print Design
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% AJAX
    20% PHP +3
    20% SQL
    10% Java
    10% XML

    CONCILIO ORBIS PVT LTD, a small software development firm, is based in India. Their services include Custom Software Development and UX/UI Design.

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  • Softree Technology Pvt. Ltd Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Custom Software Development
    25% Mobile App Development +3
    10% Low/No Code Development
    10% Other Application Development
    5% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    15% ASP.NET
    10% ASP +8
    10% C#
    10% HTML5
    10% PHP
    10% Typescript
    10% jquery
    5% Redux
    5% SQL
    5% Visual Basic

    Softree Technology Pvt. Ltd is a small software development firm. Established in 2013, the team offers Custom Software Development and Mobile App Development.

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  • Tas Technologies Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Mississauga, Canada

    Services provided

    15% Web Development
    15% Custom Software Development
    15% E-Commerce Development +6
    15% Mobile App Development
    10% Content Marketing
    10% Email Marketing
    10% Search Engine Optimization
    5% Business Consulting
    5% Pay Per Click

    Focus Areas

    15% JavaScript
    15% Java
    15% PHP +5
    15% SQL
    15% XML
    10% AJAX
    10% ASP
    5% Other programming & scripting languages

    Tas Technologies is a Mississauga, Canada-based custom software development company. Their services include Custom Software Development and E-Commerce Development.

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  • Azuratech LLP Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    10 - 49
    Panchkula, India

    Services provided

    20% Web Development
    30% Mobile App Development
    20% IT Strategy Consulting +2
    20% UX/UI Design
    10% Market Research

    Focus Areas

    10% JavaScript
    20% Objective C
    20% Python +4
    20% Swift
    10% C#
    10% Java
    10% SQL

    Azuratech LLP is a mobile app development company. Founded in 2017, their team offers Mobile App Development and UX/UI Design.

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  • Leza Solutions Pvt. Ltd Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Al Kuwayt, Kuwait

    Services provided

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

    Focus Areas

    20% JavaScript
    20% Kotlin
    20% PHP +3
    20% Swift
    10% AJAX
    10% Objective C

    Leza Solutions Pvt. Ltd is a software development company. Founded in 2012, the firm provides Custom Software Development and E-Commerce Development.

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  • Synclarity Digital Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Advertising
    10% Content Marketing +8
    10% Digital Strategy
    10% Email Marketing
    10% Graphic Design
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    5% Event Marketing
    5% Marketing Strategy

    Focus Areas

    20% JavaScript
    20% Java
    20% PHP +4
    10% AJAX
    10% Other programming & scripting languages
    10% Ruby
    10% SQL

    Synclarity Digital, an Advertising company, was established in 2017. The small team offers Advertising and UX/UI Design.

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  • Denzent Infolabs Logotype

    Denzent Infolabs

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Custom Software Development
    20% E-Commerce Development +5
    10% Graphic Design
    10% IT Strategy Consulting
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    10% AJAX
    10% ASP.NET +6
    10% C++
    10% Ember.js
    10% Java
    10% Kotlin
    10% PHP
    10% Python

    Denzent Infolabs is a small software development company launched in 2015. Their team specializes in Custom Software Development and E-Commerce Development.

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  • Neosis LTd Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Park Royal, England

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +4
    10% Email Marketing
    10% Mobile & App Marketing
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    10% JavaScript
    10% ASP
    10% ASP.NET +12
    10% Other programming & scripting languages
    10% PHP
    5% AJAX
    5% C
    5% C#
    5% C++
    5% Ember.js
    5% Java
    5% Objective C
    5% SQL
    5% Visual Basic
    5% XML

    Founded in 2012, Neosis LTd, a small e-commerce development company, is located in Park Royal, England. Their team offers E-Commerce Development and Mobile App Development.

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  • Evorain Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Częstochowa, Poland

    Services provided

    10% Web Development
    50% AI Development
    20% Custom Software Development +2
    10% IT Strategy Consulting
    10% Mobile App Development

    Focus Areas

    20% JavaScript
    20% C#
    20% Python +5
    15% C++
    10% SQL
    5% ASP.NET
    5% Redux
    5% Typescript

    Evorain is a small Częstochowa, Poland-based AI firm. Their services include Artificial Intelligence and Custom Software Development.

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  • Numero Uno Informatica Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% IT Strategy Consulting
    10% AI Development +8
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% Cybersecurity
    10% E-Commerce Development
    10% IT Managed Services
    5% CRM Consulting and SI
    5% Other IT Consulting and SI
    5% Unified Communications Consulting & SI

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% C++ +2
    20% Java
    20% PHP

    Numero Uno Informatica is an IT strategy consulting company. The company is located in Arezzo, Italy. Their services include IT strategy consulting and Custom Software Development.

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  • PDA IT Solutions Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% E-Commerce Development +2
    20% IoT Development
    20% Logistics & Supply Chain Consulting

    Focus Areas

    10% JavaScript
    40% PHP
    20% AJAX +2
    20% SQL
    10% C#

    PDA IT Solutions, a custom software development company, was founded in 2011. The company focuses on Custom Software Development and E-Commerce Development, and is small.

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  • ElanWave Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Novi Sad, Serbia

    Services provided

    10% Web Development
    20% Application Testing
    20% Custom Software Development +8
    10% IT Staff Augmentation
    10% IoT Development
    5% Application Management & Support
    5% Cloud Consulting & SI
    5% IT Managed Services
    5% IT Strategy Consulting
    5% Mobile App Development
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    40% C#
    10% Other programming & scripting languages +3
    10% Redux
    10% SQL
    10% XML

    ElanWave, a software development company, was founded in 2009. They specializes in Custom Software Development and Application Testing.

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  • AOF Engineering Systems Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    10 - 49
    Hyderabad, India

    Services provided

    20% Web Development
    25% Custom Software Development
    20% Mobile App Development +5
    10% E-Commerce Development
    10% Web Design
    5% Mobile & App Marketing
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    35% PHP
    10% SQL +8
    10% Swift
    5% AJAX
    5% ASP.NET
    5% Java
    5% Kotlin
    5% Objective C
    5% Python
    5% Ruby

    AOF Engineering Systems is an Alvin, Texas-based software development company. Their services include Custom Software Development and Web Development.

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  • SdNcenter sp. z o.o. Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    40% Custom Software Development
    10% Mobile App Development +7
    10% UX/UI Design
    5% Application Management & Support
    5% Application Testing
    5% Enterprise App Modernization
    5% IT Staff Augmentation
    5% Other Application Development
    5% Web Design

    Focus Areas

    20% JavaScript
    15% C#
    15% Java +11
    10% ASP.NET
    5% AJAX
    5% C
    5% C++
    5% Go
    5% Redux
    5% SQL
    5% XML
    2% Python
    2% Swift
    1% Objective C

    SdNcenter sp. Z o.o. Is a software development company. Established in 2006, their team offers Custom Software Development and UX/UI Design.

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  • Hexcoderz Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Vasco da Gama, India

    Services provided

    20% Web Development
    20% Mobile App Development
    20% UX/UI Design +3
    20% Web Design
    10% Branding
    10% Social Media Marketing

    Focus Areas

    10% JavaScript
    40% PHP
    40% SQL +1
    10% XML

    Hexcoderz, an user experience company, was launched in 2016. The team offers UX/UI Design and Mobile App Development.

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  • Digital Mirror Solution Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    40% Web Design
    20% CRM Consulting and SI +3
    10% Pay Per Click
    5% Mobile App Development
    5% Search Engine Optimization

    Focus Areas

    10% JavaScript
    40% Java
    30% ASP.NET +1
    20% PHP

    Digital Mirror Solution is a web design company. They are based in Ahmedabad, India and have small team. Their team offers Web Design and CRM consulting and SI.

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  • Sharp Code Solutions Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Application Management & Support
    10% Blockchain +9
    10% Custom Software Development
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% IoT Development
    10% Mobile App Development
    5% CRM Consulting and SI
    5% Cloud Consulting & SI
    5% IT Strategy Consulting
    5% Web Design

    Focus Areas

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

    Sharp Code Solutions is a small custom software development firm located in Dallas, Texas. The team specializes in Custom Software Development and Web Development.

    Read more
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  • Meceda Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Tynaarlo, Netherlands

    Services provided

    20% Web Development
    20% E-Commerce Development
    10% Branding +5
    10% Conversion Optimization
    10% Graphic Design
    10% Marketing Strategy
    10% Search Engine Optimization
    10% Web Design

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Java +7
    10% PHP
    10% Perl
    10% Python
    10% Redux
    10% Ruby
    10% SQL
    10% XML

    Established in 2011, Meceda is a small web development firm. Their team focuses on Web Development and E-Commerce Development.

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  • bitsoftsol Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Affiliate Marketing
    10% Digital Strategy +11
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design
    7% Content Marketing
    5% Application Management & Support
    5% Application Testing
    5% Conversion Optimization
    5% Email Marketing
    5% Other Application Development
    5% Social Media Marketing
    3% Pay Per Click

    Focus Areas

    20% JavaScript
    20% PHP
    20% Python +3
    20% SQL
    10% AJAX
    10% XML

    Bitsoftsol is a Digital Strategy company founded in 2017. The small team specializes in Digital Strategy and Affiliate Marketing.

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  • TRAIT Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    10 - 49
    Cleveland, OH

    Services provided

    10% Web Development
    20% Enterprise App Modernization
    20% UX/UI Design +7
    13% Low/No Code Development
    10% Custom Software Development
    10% Product Design
    10% Web Design
    4% E-Commerce Development
    2% IoT Development
    1% Mobile App Development

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% C# +4
    10% AJAX
    10% Objective C
    10% PHP
    10% Swift

    TRAIT is an UX design agency located in Cleveland, Ohio. Their services include UX/UI Design and Enterprise App Modernization.

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  • Web Impetus Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Pay Per Click
    15% Ecommerce Marketing +6
    10% Branding
    10% Conversion Optimization
    10% E-Commerce Development
    10% UX/UI Design
    10% Web Design
    5% Social Media Marketing

    Focus Areas

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

    Web Impetus is a PPC agency launched in 2017. Their services include Pay Per Click and Ecommerce Marketing.

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  • BitRaptors Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    25% Mobile App Development
    20% Product Design +7
    5% AR/VR Development
    5% Custom Software Development
    5% E-Commerce Development
    5% Graphic Design
    5% IoT Development
    5% UX/UI Design
    5% Wearable App Development

    Focus Areas

    10% JavaScript
    25% Kotlin
    25% Redux +3
    25% Swift
    10% Typescript
    5% Python

    BitRaptors is an app development firm. They are located in Budapest, Hungary and have small team. They provide Mobile App Development and Product Design.

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  • Cibergator Technologies - web development company in Louisiana Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Baton Rouge, LA

    Services provided

    15% Web Development
    15% Custom Software Development
    15% Mobile App Development +12
    10% IT Managed Services
    10% IT Staff Augmentation
    8% Web Design
    6% E-Commerce Development
    5% IT Strategy Consulting
    5% UX/UI Design
    2% Digital Strategy
    2% Email Marketing
    2% Mobile & App Marketing
    2% Search Engine Optimization
    2% Social Media Marketing
    1% Pay Per Click

    Focus Areas

    15% JavaScript
    35% PHP
    10% AJAX +7
    10% SQL
    5% ASP.NET
    5% Elixir
    5% Ember.js
    5% Java
    5% Kotlin
    5% Redux

    Cibergator Technologies - web development company in Louisiana is a Baton Rouge, Louisiana-based software development company. The team offers Custom Software Development and Web Development.

    Read more
    View Profile
  • Digilite Los Angeles Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    10 - 49
    Glendale, CA

    Services provided

    10% Web Development
    20% E-Commerce Development
    20% Mobile App Development +7
    10% Custom Software Development
    10% Search Engine Optimization
    10% Web Design
    5% Digital Strategy
    5% Pay Per Click
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    20% PHP
    15% ASP.NET +3
    15% C#
    15% Delphi
    15% SQL

    Established in 2006, Digilite Los Angeles is a mobile app development company. Based in Glendale, California, the team specializes in Mobile App Development and E-Commerce Development.

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  • Great Ideas Tech Logotype

    Great Ideas Tech

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% IT Staff Augmentation
    20% Mobile App Development +6
    10% Custom Software Development
    10% IT Strategy Consulting
    10% Low/No Code Development
    10% Social Media Marketing
    5% E-Commerce Development
    5% Other Application Development

    Focus Areas

    20% JavaScript
    40% PHP
    10% AJAX +3
    10% Kotlin
    10% Python
    10% Swift

    Great Ideas Tech, an IT staff augmentation company, is based in Palanpur, India. They provide IT staff augmentation and Web Development and were established in 2016.

    Read more
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  • Yemora Logotype

    Not yet reviewed

    $25,000+
    $50 - $99 / hr
    10 - 49
    Beograd, Serbia

    Services provided

    10% Web Development
    60% E-Commerce Development
    10% Application Testing +2
    10% Ecommerce Marketing
    10% IT Staff Augmentation

    Focus Areas

    20% JavaScript
    25% PHP
    15% Apex +4
    15% Typescript
    10% Redux
    10% SQL
    5% Other programming & scripting languages

    Founded in 2018, Yemora is an e-commerce development company. The company offers E-Commerce Development and IT staff augmentation.

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We evaluate service providers using a structured methodology that combines:

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  • Comprehensive project details
  • Market presence
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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

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Ability to deliver
Focus
Clutch Leaders Matrix

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

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

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
    70% JavaScript
    50% Other
    View Profile Visit Website
  2. 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
  3. 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
  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

    37.7/40.0
    18.4/20 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

    38.9/40.0
    19.6/20 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

    39.3/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    50% Web Development
    35% JavaScript
    50% Other
    View Profile Visit Website
  8. Toptal Logotype

    Toptal

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

    Ability to deliver

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

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  9. 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
  10. INOXOFT Logotype

    INOXOFT

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

    Ability to deliver

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

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  11. 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
  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. Techuz InfoWeb Pvt. Ltd. Logotype

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

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

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  16. 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
  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. 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

    30% Web Development
    15% JavaScript
    70% Other
    View Profile Visit Website
  21. Brainium Information Technologies Logotype

    Brainium Information Technologies

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

    Ability to deliver

    36.3/40.0
    19/20 Reviews
    9/10 Clients & Experience
    8.4/10 Market Presence

    Service focus

    35% Web Development
    30% JavaScript
    65% Other
    View Profile Visit Website
  22. 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
  23. 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
  24. Human Made Logotype

    Human Made

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

    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
  25. Probey Services Logotype

    Probey Services

    $1,000+
    < $25 / hr
    1,000 - 9,999
    Los Angeles, CA

    Ability to deliver

    36.9/40.0
    19.6/20 Reviews
    9.3/10 Clients & Experience
    8/10 Market Presence

    Service focus

    20% Web Development
    25% JavaScript
    80% Other
    View Profile Visit Website
  26. Blazity Logotype

    Blazity

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

    Ability to deliver

    37.8/40.0
    18.6/20 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
    New York, NY

    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. Vincit Logotype

    Vincit

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

    Ability to deliver

    36.4/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    30% Web Development
    30% JavaScript
    70% Other
    View Profile Visit Website
  29. PowerGate Software Logotype

    PowerGate Software

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

    Ability to deliver

    37.9/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    30% Web Development
    21% JavaScript
    70% Other
    View Profile Visit Website
  30. Arcanys Logotype

    Arcanys

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

    Ability to deliver

    38.1/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    8.7/10 Market Presence

    Service focus

    30% Web Development
    20% 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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