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Top JavaScript Developers

JavaScript powers everything from interactive websites to complex enterprise applications. Partnering with an experienced JavaScript development agency ensures your product is fast, secure, and ready to scale. Clutch makes it easy to find trusted providers by publishing in-depth, verified client reviews and transparent performance data. Use our filters to sort agencies by budget, location, framework expertise, and more. Looking for regional specialists? Browse firms in the United States, United Kingdom, or Canada to compare portfolios and pricing in your market. Start exploring today and shortlist partners that align with your goals.
Ratings Updated: February 6, 2026
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15 Leaders 15 Contenders

21,630 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Featured

    What are Featured Providers?

    Digis, a Fiverr company (NYSE: FVRR) Logotype

    Digis, a Fiverr company (NYSE: FVRR)

    4.9 88 reviews
    Premier Verified
    $5,000+
    $25 - $49 / hr
    50 - 249
    London, England

    Services provided

    50% Web Development
    50% Custom Software Development

    Focus Areas

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

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

    See all 88 projects

    Reviews mention Knowledgeable

    The client expressed high satisfaction with the company's knowledge and expertise, particularly in React Native development. They noted the developer and project manager's impressive understanding of the technology, consistently seeking optimal solutions rather than the quickest fixes. Communication was highlighted as effective, with the team being responsive and helpful throughout the project. Overall, the feedback reflects a positive sentiment regarding the company's knowledgeable approach to project execution.
    • UI/UX Design for IT Services Company
      5.0 Jul 6, 2021

      With Digis, we also had the feeling that they knew what they were doing and how to do it. Every next step was planned from the beginning. If something didn't work in line with our processes, we could readjust it.

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    • Mobile App Development for Web Application Manager
      5.0 Jul 29, 2020

      I was impressed by the knowledge the developer and project manager had about the react native and how it functions, I liked that they were always looking for the best solutions (not only implement what's faster and simpler). Also, we were satisfied with the productivity of the developer.

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

    JavaScript Experience

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

    Read Most Recent Review

    Average Project Cost Breakdown

    $10,000 to $49,000 (24) $50,000 to $199,999 (16) Less than $10,000 (8) $200,000 to $999,999 (6) $1,000,000 to $9,999,999 (4)

    What Clients Have Said

    Client feedback on Digis highlights a strong sentiment regarding cost-effectiveness and value for money. Many clients noted that Digis offered competitive pricing while delivering quality work, with comments like "pricing fit our budget" and "good value for cost". Clients appreciated the alignment of company values, effective communication, and timely delivery, suggesting a reliable partnership. Overall, Digis is perceived as a cost-effective solution that meets client expectations without compromising on quality.
    Read All Reviews

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    United States (28) 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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  • Wahha Design Logotype

    Wahha Design

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Search Engine Optimization
    13% Pay Per Click +10
    12% Low/No Code Development
    10% Content Marketing
    8% Digital Strategy
    6% Conversion Optimization
    6% Marketing Strategy
    4% Advertising
    4% Social Media Marketing
    3% Branding
    3% E-Commerce Development
    1% Web Design

    Focus Areas

    20% JavaScript
    24% HTML5
    20% Other programming & scripting languages +5
    17% PHP
    8% AJAX
    5% XML
    3% SQL
    3% Typescript

    SEO company Wahha Design is located in Wilmington, North Carolina. Founded in 2017, the team offers Search Engine Optimization and Web Development.

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  • BlueVision Softech Logotype

    BlueVision Softech

    Not yet reviewed

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

    Services provided

    20% Web Development
    14% Low/No Code Development
    10% Content Marketing +8
    10% E-Commerce Development
    10% Mobile App Development
    10% Social Media Marketing
    10% Web Design
    5% Graphic Design
    5% Logo
    5% Search Engine Optimization
    1% Custom Software Development

    Focus Areas

    10% JavaScript
    30% PHP
    20% HTML5 +3
    20% SQL
    10% AJAX
    10% ASP.NET

    In Nagpur, India, BlueVision Softech is a small web development firm. Their services include Web Development and Social Media Marketing.

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  • 72interactive Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% E-Commerce Development
    15% Web Design +7
    10% Digital Strategy
    10% Ecommerce Marketing
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    5% Email Marketing
    5% Logo

    Focus Areas

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

    72interactive is a web design company based in New Delhi, India. Launched in 2010, the team focuses on Web Design and E-Commerce Development.

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  • Lexacle Technologies Logotype

    Lexacle Technologies

    Not yet reviewed

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

    Services provided

    20% Web Development
    15% E-Commerce Development
    10% API Development +7
    10% Low/No Code Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% Web Design
    5% AI Consulting
    5% Generative AI
    5% Graphic Design

    Focus Areas

    10% JavaScript
    10% Elixir
    10% Ember.js +9
    10% HTML5
    10% SQL
    10% Typescript
    10% backbone.js
    10% jquery
    5% AJAX
    5% PHP
    5% Python
    5% Redux

    Web design agency Lexacle Technologies is in Nairobi, Kenya. The team provides Web Design and Web Development.

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  • DemoWA | Milan Web Agency Logotype

    DemoWA | Milan Web Agency

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% API Development
    20% E-Commerce Development +3
    20% Web Design
    10% Branding
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    20% PHP
    10% AJAX +6
    10% HTML5
    10% Other programming & scripting languages
    10% Python
    10% SQL
    10% XML
    10% jquery

    DemoWA | Milan Web Agency is a web design agency founded in 2020. The firm offers Web Design and Web Development.

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  • Vidhyam media Logotype

    Vidhyam media

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    10% Web Development
    20% Advertising
    15% Search Engine Optimization +6
    15% Social Media Marketing
    13% Pay Per Click
    8% Graphic Design
    7% Logo
    7% Web Design
    5% Digital Strategy

    Focus Areas

    20% JavaScript
    20% Java
    15% HTML5 +3
    15% PHP
    15% Python
    15% Ruby

    Vidhyam media is a small Pune, India-based Advertising company. Their services include Advertising and Social Media Marketing.

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  • Vrinda Digital Services Logotype

    Vrinda Digital Services

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Mobile App Development
    10% Pay Per Click +12
    10% Search Engine Optimization
    10% Social Media Marketing
    5% Branding
    5% Content Marketing
    5% Conversion Optimization
    5% Digital Strategy
    5% Email Marketing
    5% Mobile & App Marketing
    5% Public Relations
    5% Recruitment Process Outsourcing
    5% SMS Marketing
    5% Video Marketing

    Focus Areas

    20% JavaScript
    20% PHP
    20% Python +4
    15% Typescript
    10% HTML5
    10% Swift
    5% SQL

    Established in 2013, Vrinda Digital Services is a social media marketing company. Their services include Social Media Marketing and Search Engine Optimization.

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  • MCE123 Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Barrington, NH

    Services provided

    20% Web Development
    20% Search Engine Optimization
    20% Social Media Marketing +4
    10% Cloud Consulting & SI
    10% Content Marketing
    10% Content Writing Services
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    10% C++
    10% HTML5 +7
    10% Java
    10% PHP
    10% Perl
    10% Python
    10% Swift
    10% Visual Basic
    10% jquery

    MCE123 is a social media marketing firm based in Barrington, New Hampshire. They provide Social Media Marketing and Search Engine Optimization.

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  • Insivio IT GmbH Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    2 - 9
    Flörsheim am Main, Germany

    Services provided

    20% Web Development
    20% IT Staff Augmentation
    20% Mobile App Development +3
    15% Cloud Consulting & SI
    15% UX/UI Design
    10% E-Commerce Development

    Focus Areas

    10% JavaScript
    10% C
    10% C# +7
    10% C++
    10% HTML5
    10% Java
    10% PHP
    10% Python
    10% Swift
    10% jquery

    IT staff augmentation company Insivio IT GmbH focuses on IT staff augmentation and Web Development. They were founded in 2022.

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  • Eternia Digital Dojo Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    2 - 9
    Centralia, WA

    Services provided

    10% Web Development
    20% Web Design
    15% Branding +5
    15% Search Engine Optimization
    10% Content Marketing
    10% Low/No Code Development
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    35% HTML5
    35% PHP +1
    10% SQL

    Eternia Digital Dojo, a web design agency, is headquartered in Centralia, Washington. The team specializes in Web Design and Branding.

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  • Altivix Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Web Design +4
    15% Graphic Design
    15% Mobile App Development
    5% Low/No Code Development
    5% Search Engine Optimization

    Focus Areas

    10% JavaScript
    25% ASP.NET
    20% AJAX +4
    15% SQL
    10% C#
    10% HTML5
    10% jquery

    Altivix is a web design company. The team is headquartered in Arbutus, Maryland, and their services include Web Design and Custom Software Development.

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  • MindRich Technologies Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    35% Custom Software Development
    25% ERP Consulting and SI +2
    20% Mobile App Development
    10% E-Commerce Development

    Focus Areas

    20% JavaScript
    30% Python
    15% HTML5 +3
    15% SQL
    10% Visual Basic
    10% XML

    MindRich Technologies is a software development firm launched in 2023. The small team focuses on Custom Software Development and ERP consulting and SI.

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  • Radiant Software Technologies Logotype

    Radiant Software Technologies

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    10% JavaScript
    30% PHP
    30% SQL +2
    20% HTML5
    10% Typescript

    Radiant Software Technologies is an user experience company. Based in Bengaluru, India, the agency was established in 2016. Their team focuses on UX/UI Design and Custom Software Development.

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  • Nobilis Limited Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    40% Custom Software Development
    25% Enterprise App Modernization +2
    15% Mobile App Development
    10% E-Commerce Development

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Python +2
    20% Ruby
    20% Typescript

    Nobilis Limited is a software development firm located in Nairobi, Kenya. Founded in 2015, the team focuses on Custom Software Development and Enterprise App Modernization.

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  • PlanetWeb Solutions Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Content Marketing
    10% Custom Software Development +7
    10% Digital Strategy
    10% E-Commerce Development
    10% Email Marketing
    10% IT Strategy Consulting
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

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

    Located in Lagos, Nigeria, PlanetWeb Solutions is a Digital Strategy company. They provide Digital Strategy and Content Marketing.

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  • Cloco Nepal Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Lalitpur, Nepal

    Services provided

    14% Web Development
    18% Custom Software Development
    13% Mobile App Development +10
    12% IoT Development
    11% E-Commerce Development
    4% Application Management & Support
    4% Application Testing
    4% Cloud Consulting & SI
    4% ERP Consulting and SI
    4% IT Strategy Consulting
    4% Print Design
    4% Product Design
    4% UX/UI Design

    Focus Areas

    10% JavaScript
    10% C
    10% C++ +11
    10% Java
    10% PHP
    10% Typescript
    5% Go
    5% Kotlin
    5% Other programming & scripting languages
    5% Python
    5% Redux
    5% Ruby
    5% SQL
    5% Swift

    Launched in 2023, Cloco Nepal Inc. Is a custom software development company. The midsize team specializes in Custom Software Development and Web Development.

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  • Green Life IT Logotype

    Green Life IT

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

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

    Focus Areas

    20% JavaScript
    10% AJAX
    10% HTML5 +6
    10% Other programming & scripting languages
    10% PHP
    10% SQL
    10% Typescript
    10% XML
    10% jquery

    In Rajshahi, Bangladesh, Green Life IT is a small social media marketing company. The team offers Social Media Marketing and Email Marketing.

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  • Dt7 Agency Logotype

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

    Services provided

    10% Web Development
    15% Low/No Code Development
    10% Digital Strategy +10
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design
    5% Advertising
    5% Branding
    5% Content Marketing
    5% Direct Marketing
    5% Email Marketing
    5% Mobile App Development
    5% Product Marketing

    Focus Areas

    10% JavaScript
    55% Python
    25% AJAX +2
    5% HTML5
    5% SQL

    Dt7 Agency offers digital marketing services, including creating promotional videos for events. The overall feedback highlights their excellent project management, timely delivery, and responsive communication, indicating strong client satisfaction and effective service delivery.

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  • TBL Tech Nerds Logotype

    TBL Tech Nerds

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Mobile App Development
    20% Custom Software Development +5
    15% UX/UI Design
    10% Web Design
    5% Logo
    5% Other Application Development
    5% Other Design

    Focus Areas

    10% JavaScript
    25% Swift
    20% Objective C +6
    10% C
    10% Java
    10% PHP
    5% ASP.NET
    5% C++
    5% SQL

    TBL Tech Nerds is a small application development company based in Denver, Colorado. Their services include Mobile App Development and Custom Software Development.

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  • Sortup Logotype

    Sortup

    Not yet reviewed

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

    Services provided

    15% Web Development
    20% Mobile App Development
    15% E-Commerce Development +6
    10% Custom Software Development
    10% Enterprise App Modernization
    10% Low/No Code Development
    10% Other Application Development
    5% AR/VR Development
    5% Application Management & Support

    Focus Areas

    10% JavaScript
    20% HTML5
    20% Typescript +5
    10% AJAX
    10% ASP.NET
    10% Java
    10% PHP
    10% Python

    Sortup is a small software development firm based in Lahore, Pakistan. The team focuses on Custom Software Development and Mobile App Development.

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  • Clixtalk Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    10 - 49
    Alexandria, VA

    Services provided

    10% Web Development
    15% Graphic Design
    15% Social Media Marketing +5
    15% UX/UI Design
    15% Video Production
    10% AR/VR Development
    10% Low/No Code Development
    10% Mobile App Development

    Focus Areas

    17% JavaScript
    17% Python
    11% Java +6
    11% Objective C
    11% PHP
    11% Swift
    10% SQL
    6% C++
    6% jquery

    Clixtalk specializes in creating and hosting websites, demonstrated through their successful development of a portfolio website for a professional artist. Clients highlight Clixtalk's personable and professional service, effective communication, and alignment with client needs as key strengths, with no noted areas for improvement, suggesting high satisfaction with their offerings.

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  • TechWins Solution Logotype

    TechWins Solution

    5.0 1 review
    $5,000+
    < $25 / hr
    Freelancer

    Services provided

    20% Web Development
    20% Branding
    20% Customer Service Outsourcing +2
    20% E-Commerce Development
    20% Search Engine Optimization

    Focus Areas

    25% JavaScript
    25% C
    25% Java +1
    25% PHP

    A Leading Web Design And Development Company With A Dedicated Team. TechWins Provides Premium Services To Bring Your Online Store To Life. Our Vision: ‘Your Imagination, Our Creation’ –

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  • Bober Technologies Logotype

    Bober Technologies

    Not yet reviewed

    $1,000+
    < $25 / hr
    Freelancer

    Services provided

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

    Focus Areas

    25% JavaScript
    50% C#
    15% SQL +1
    10% Visual Basic

    Bober Technologies is a small web design agency launched in 2025. Their team provides Web Design and UX/UI Design.

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  • tuzzow Logotype

    tuzzow

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    Freelancer

    Services provided

    20% Web Development
    20% Advertising
    20% Branding +2
    20% Graphic Design
    20% Social Media Marketing

    Focus Areas

    25% JavaScript
    20% PHP
    15% HTML5 +4
    15% Python
    15% SQL
    5% Typescript
    5% jquery

    Launched in 2025, tuzzow, a small Advertising company, is located in Dar es Salaam, Tanzania. Their services include Advertising and Branding.

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  • Order In Chaos Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    Freelancer
    Whitchurch-Stouffville, Canada

    Services provided

    25% Web Development
    25% Branding
    25% Search Engine Optimization +2
    15% Web Design
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    25% Objective C
    25% Visual Basic +4
    10% ASP.NET
    10% C++
    5% C
    5% SQL

    Order In Chaos is a small branding firm launched in 2023. Their services include Branding and Search Engine Optimization.

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  • Petro Moldovan Logotype

    Petro Moldovan

    Not yet reviewed

    Undisclosed
    < $25 / hr
    Freelancer

    Services provided

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

    Focus Areas

    25% JavaScript
    25% Python
    15% Go +3
    15% Typescript
    10% SQL
    10% Visual Basic

    Located in Berlin, Germany, Petro Moldovan is a web design agency. The team specializes in Web Design and UX/UI Design.

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  • Gleamrix Logotype

    Gleamrix

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AI Development
    10% Graphic Design +17
    10% Mobile App Development
    10% Search Engine Optimization
    5% Architectural Design
    5% Logo
    5% Product Design
    5% Social Media Marketing
    5% UX/UI Design
    5% Video Production
    5% Web Design
    2% Broadcast Video
    2% Corporate Photography
    2% Cybersecurity
    2% IT Managed Services
    2% Interior Design
    2% Lighting Design
    2% Other Design
    1% Blockchain

    Focus Areas

    29% JavaScript
    29% Kotlin
    14% C# +2
    14% PHP
    14% Python

    Small SEO services firm Gleamrix, is headquartered in Lahore, Pakistan. The team offers Search Engine Optimization and Graphic Design.

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  • Socialogram Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% E-Commerce Development
    10% Generative AI +8
    10% Graphic Design
    10% Low/No Code Development
    10% Mobile App Development
    10% Social Media Marketing
    10% Web Design
    5% Email Marketing
    5% Robotics Process Automation
    5% UX/UI Design

    Focus Areas

    29% JavaScript
    24% PHP
    23% Kotlin +2
    18% SQL
    6% Redux

    Established in 2022, Socialogram is a small Karachi, Pakistan-based web design company. Their services include Web Design and Web Development.

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  • Maseev Invisible Digitals Logotype

    Maseev Invisible Digitals

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    20% Web Development
    20% Web Design
    13% Custom Software Development +6
    12% UX/UI Design
    11% E-Commerce Development
    10% Low/No Code Development
    5% Mobile App Development
    5% Social Media Marketing
    4% Graphic Design

    Focus Areas

    13% JavaScript
    20% HTML5
    20% SQL +6
    15% PHP
    10% Other programming & scripting languages
    10% Python
    5% Typescript
    5% jquery
    2% XML

    Maseev Invisible Digitals is an Ikorodu, Nigeria-based web design agency. Their services include Web Design and Web Development.

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  • design dpi Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Askern, England

    Services provided

    10% Web Development
    10% Blockchain
    10% Branding +9
    10% Logo
    10% Low/No Code Development
    10% Print Design
    10% Search Engine Optimization
    10% Web Design
    5% Digital Strategy
    5% Graphic Design
    5% Packaging Design
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    25% PHP
    15% SQL +7
    10% Swift
    10% XML
    5% AJAX
    5% Java
    5% Python
    5% Ruby
    5% Visual Basic

    Founded in 2001, design dpi, a small web design agency, is in Askern, England. Their team specializes in Web Design and Branding.

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  • Born Digital Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    40% E-Commerce Development
    30% UX/UI Design +1
    15% Web Design

    Focus Areas

    10% JavaScript
    90% PHP

    Born Digital is an e-commerce development firm based in Rīga, Latvia. Their services include E-Commerce Development and UX/UI Design.

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  • Advent Media, Inc. Logotype

    Advent Media, Inc.

    Not yet reviewed

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

    Services provided

    15% Web Development
    30% Video Production
    20% Other Design +3
    15% Web Design
    10% Audio Production
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    30% HTML5
    15% SQL +7
    15% jquery
    5% AJAX
    5% ASP.NET
    5% C#
    5% PHP
    5% Visual Basic
    5% XML

    Established in 1982, Advent Media, Inc. Is a small Columbus, Ohio-based video production agency. Their services include Video Production and Other Design.

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  • CR&D Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% CRM Consulting and SI
    20% ERP Consulting and SI +4
    20% IT Strategy Consulting
    10% Business Consulting
    10% Cloud Consulting & SI
    10% IoT Development

    Focus Areas

    15% JavaScript
    50% Python
    15% SQL +2
    10% HTML5
    10% XML

    CR&D is an IT strategy consulting company established in 2018. Their team offers IT strategy consulting and CRM consulting and SI.

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  • MAYA WEB DESIGN Logotype

    MAYA WEB DESIGN

    Not yet reviewed

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

    Services provided

    10% Web Development
    65% Web Design
    10% UX/UI Design +3
    5% Branding
    5% Graphic Design
    5% Search Engine Optimization

    Focus Areas

    15% JavaScript
    25% HTML5
    15% PHP +6
    15% SQL
    10% Python
    5% Java
    5% Other programming & scripting languages
    5% Perl
    5% jquery

    MAYA WEB DESIGN is a web design agency in Taichung, Taiwan. Established in 1998, the team provides Web Design and UX/UI Design.

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  • DPC LLC Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    2 - 9
    McDonough, GA

    Services provided

    15% Web Development
    35% Web Design
    15% Advertising +6
    10% Mobile App Development
    5% Branding
    5% Graphic Design
    5% Logo
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    20% HTML5
    20% Other programming & scripting languages +4
    20% PHP
    15% Visual Basic
    10% Java
    5% SQL

    Web design company DPC LLC was established in 2006. The team provides Web Design and Advertising and is in McDonough, Georgia.

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  • TourTools Logotype

    Not yet reviewed

    $25,000+
    $50 - $99 / hr
    2 - 9
    Perugia, Italy

    Services provided

    10% Web Development
    35% Performance Marketing
    15% Demand Generation Marketing +4
    15% Marketing Strategy
    10% Conversion Optimization
    10% Social Media Marketing
    5% Advertising

    Focus Areas

    15% JavaScript
    35% PHP
    15% HTML5 +3
    15% jquery
    10% SQL
    10% Typescript

    Performance Marketing company TourTools was founded in 2007. The team focuses on Performance Marketing and Demand Generation Marketing and is located in Perugia, Italy.

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  • Argon Tech Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% E-Commerce Development
    15% Mobile App Development +6
    10% API Development
    10% AR/VR Development
    10% Blockchain
    10% Custom Software Development
    10% DevOps Managed Services
    10% Low/No Code Development

    Focus Areas

    11% JavaScript
    11% Kotlin
    11% PHP +10
    11% Python
    11% Swift
    6% ASP.NET
    6% HTML5
    6% Objective C
    6% Redux
    6% Typescript
    6% backbone.js
    6% jquery
    3% AJAX

    Argon Tech is a custom software development company. Located in Hallandale Beach, Florida and Lahore, Pakistan, the agency provides Custom Software Development and Web Development.

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  • Ascentspark Software Private Limited Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Web Design
    15% AI Development +5
    15% UX/UI Design
    10% Custom Software Development
    10% E-Commerce Development
    10% IoT Development
    10% Mobile App Development

    Focus Areas

    13% JavaScript
    13% Java
    13% PHP +5
    13% SQL
    13% Swift
    13% XML
    12% AJAX
    10% Kotlin

    Ascentspark Software Private Limited, a web design agency, is in Kolkata, India. They provide Web Design and UX/UI Design.

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  • Tech WingSpace Private Limited Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    40% Mobile App Development
    19% E-Commerce Development +4
    10% Custom Software Development
    10% UX/UI Design
    10% Web Design
    1% Logo

    Focus Areas

    10% JavaScript
    20% PHP
    10% Java +8
    10% Kotlin
    10% Redux
    10% SQL
    10% Swift
    5% AJAX
    5% ASP.NET
    5% Objective C
    5% Visual Basic

    Tech WingSpace Private Limited is an application development company in Jaipur, India. They specialize in Mobile App Development and E-Commerce Development.

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  • Axis Web Art Pvt. Ltd. Logotype

    Not yet reviewed

    Undisclosed
    $150 - $199 / hr
    10 - 49
    Gurugram, India

    Services provided

    10% Web Development
    50% E-Commerce Development
    30% Search Engine Optimization +1
    10% Web Design

    Focus Areas

    10% JavaScript
    60% PHP
    20% SQL +1
    10% AJAX

    Axis Web Art Pvt. Ltd. Is an e-commerce development company in Gurugram, India and Jaipur, India. Founded in 2011, the team focuses on E-Commerce Development and Search Engine Optimization.

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  • JOURNEY Logotype

    Not yet reviewed

    $10,000+
    Undisclosed
    10 - 49
    Auckland, New Zealand

    Services provided

    10% Web Development
    15% Web Design
    10% AR/VR Development +9
    10% Custom Software Development
    10% Mobile App Development
    10% Other Application Development
    10% UX/UI Design
    5% AI Development
    5% Application Management & Support
    5% Application Testing
    5% Graphic Design
    5% Logo

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP +7
    10% ASP.NET
    10% C#
    10% C++
    10% SQL
    10% Swift
    10% Visual Basic
    10% XML

    JOURNEY is a web design agency. Established in 2002, the company specializes in Web Design and Custom Software Development.

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  • Tight Line Productions Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    10 - 49
    Melbourne, FL

    Services provided

    10% Web Development
    25% Search Engine Optimization
    25% Web Design +3
    20% Video Production
    10% Advertising
    10% Pay Per Click

    Focus Areas

    10% JavaScript
    70% PHP
    15% SQL +1
    5% XML

    Established in 1995, Tight Line Productions is a SEO company. The firm specializes in Search Engine Optimization and Web Design, and is small.

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  • Unique Computer Systems Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    الشارقة, United Arab Emirates

    Services provided

    10% Web Development
    10% AI Development
    10% Application Management & Support +9
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Other Application Development
    8% Other Digital Marketing
    1% Direct Marketing
    1% Email Marketing

    Focus Areas

    10% JavaScript
    30% ASP.NET
    20% SQL +4
    10% C#
    10% Java
    10% PHP
    10% Python

    Unique Computer Systems is a small software development company located in الشارقة, United Arab Emirates. The team offers Custom Software Development and Artificial Intelligence.

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  • ALTEREGO WEB Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    50% Custom Software Development
    20% E-Commerce Development +4
    5% Application Management & Support
    5% Blockchain
    5% Enterprise App Modernization
    5% Search Engine Optimization

    Focus Areas

    10% JavaScript
    80% PHP
    10% Typescript

    ALTEREGO WEB is a custom software development company. They focus on Custom Software Development and E-Commerce Development and are headquartered in Vilafant, Spain and Girona, Spain.

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  • Alriyady Logotype

    Alriyady

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Commercial Property Management
    20% Pay Per Click +5
    10% Accounting
    10% Business Consulting
    10% Financial Consulting
    10% Search Engine Optimization
    10% Social Media Marketing

    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% Typescript

    Alriyady is a pay per click company. Located in 122002, United Arab Emirates, the company offers Pay Per Click and Commercial Property Management.

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  • WebbMight Logotype

    4.9 5 reviews
    Undisclosed
    Undisclosed
    50 - 249
    Pembroke Pines, FL

    Services provided

    10% Web Development
    10% Digital Strategy
    10% Graphic Design +10
    10% Marketing Strategy
    10% Mobile App Development
    10% Social Media Marketing
    10% Web Design
    5% Content Marketing
    5% Email Marketing
    5% Logo
    5% Market Research
    5% Search Engine Optimization
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    10% Ember.js
    10% Kotlin +7
    10% Other programming & scripting languages
    10% PHP
    10% Perl
    10% Python
    10% Ruby
    10% Swift
    10% Visual Basic

    WebbMight provides comprehensive web development services, including web design and programming, with a focus on creating user-friendly and visually appealing WordPress websites. Client reviews consistently highlight WebbMight's expertise in web dev, timely project completion, and customer-centric approach. Clients appreciate their ability to translate complex requirements into functional designs, contributing to improved website performance, user engagement, and search engine rankings.

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  • DevsSpace Logotype

    4.8 2 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Dubai, United Arab Emirates

    Services provided

    10% Web Development
    20% E-Commerce Development
    20% Enterprise App Modernization +6
    15% Low/No Code Development
    10% Custom Software Development
    10% Mobile App Development
    5% IT Strategy Consulting
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    20% PHP
    10% AJAX +6
    10% Kotlin
    10% Python
    10% Redux
    10% Ruby
    10% Swift
    10% Typescript

    Devsspace offers Website Development and Web Design services, with a focus on crafting UI/UX and managing online development projects using technologies like React JS and Node JS. Clients consistently praise their professional approach, knowledgeable team, and effective communication, leading to improved site health and seamless CRM integrations, highlighting their expertise in Web Programming and Online Development.

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  • SyncTech Solutions Logotype

    SyncTech Solutions

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

    Services provided

    15% Web Development
    20% Call Center Services
    15% Custom Software Development +5
    15% Unified Communications Consulting & SI
    10% E-Commerce Development
    10% Mobile App Development
    10% Other Application Development
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    30% Other programming & scripting languages
    20% PHP +3
    20% Python
    10% ASP.NET
    10% HTML5

    SyncTech Solutions specializes in Website Development, Web Design, and Online Development services. The reviews highlight their impressive design capabilities and efficient delivery of projects, emphasizing their ability to meet client requirements effectively. Clients commend SyncTech Solutions for their professionalism and straightforward communication, making them a highly recommended partner for web development projects.

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  • shadowws Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    20% CRM Consulting and SI
    20% Graphic Design +3
    20% Web Design
    15% ERP Consulting and SI
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    20% C
    20% C++ +3
    20% Java
    20% PHP
    10% C#

    Shadowws is a CRM consulting and SI company. They are based in Madurai, India and Madurai, India and have small team. They offer CRM consulting and SI and Graphic Design.

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  • K-Plus Technology Solutions, LLC Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    70% IT Managed Services
    15% Staffing

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C++ +7
    10% HTML5
    10% Java
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% SQL
    10% Visual Basic

    K-Plus Technology Solutions, LLC, an IT managed services company, was established in 2001. The team offers IT managed services and Web Development.

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

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Ability to deliver
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Clutch Leaders Matrix

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

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

List of the Top 15 JavaScript Development Companies

  1. Brainhub Logotype

    Brainhub

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

    Ability to deliver

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

    Service focus

    50% Web Development
    75% JavaScript
    50% Other
    View Profile Visit Website
  2. ImageX Logotype

    ImageX

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

    Ability to deliver

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

    Service focus

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

    xfive

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

    Ability to deliver

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

    Service focus

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

    The Software House

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

    Ability to deliver

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

    Service focus

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

    ATEAM SOFT SOLUTIONS

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

    Ability to deliver

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

    Service focus

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

    Airdev

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

    Ability to deliver

    39.1/40.0
    19.8/20 Reviews
    9.6/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  7. Xmartlabs Logotype

    Xmartlabs

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

    Ability to deliver

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

    Service focus

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

    Softonix

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

    Ability to deliver

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

    Service focus

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

    Toptal

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

    Ability to deliver

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

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  10. Lizard Global Logotype

    Lizard Global

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

    Ability to deliver

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

    Service focus

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

    INOXOFT

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

    Ability to deliver

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

    Service focus

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

    PopArt Studio

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

    Ability to deliver

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

    Service focus

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

    GeekyAnts

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

    Ability to deliver

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

    Service focus

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

    SpdLoad

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

    Ability to deliver

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

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  15. HTMLPanda Logotype

    HTMLPanda

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

    Ability to deliver

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

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  16. 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
  17. 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
  19. Techuz InfoWeb Pvt. Ltd. Logotype

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

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

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  20. 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
  21. WPWeb Infotech Logotype

    WPWeb Infotech

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

    Ability to deliver

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

    Service focus

    65% Web Development
    20% JavaScript
    35% Other
    View Profile Visit Website
  22. Human Made Logotype

    Human Made

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

    Ability to deliver

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

    Service focus

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

    Arcanys

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

    Ability to deliver

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

    Service focus

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

    Experion Technologies

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

    Ability to deliver

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

    Service focus

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

    Cleveroad

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

    Ability to deliver

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

    Service focus

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

    Blazity

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

    Ability to deliver

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

    Service focus

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

    XWP

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

    Ability to deliver

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

    Service focus

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

    Probey Services

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

    Ability to deliver

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

    Service focus

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

    Vincit

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

    Ability to deliver

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

    Service focus

    30% Web Development
    30% JavaScript
    70% Other
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  30. Oshyn Logotype

    Oshyn

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

    Ability to deliver

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

    Service focus

    100% Web Development
    40% JavaScript
    View Profile Visit Website

Top JavaScript Development Agencies

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

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

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

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

Clutch data shows project budgets range widely:

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

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

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

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

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

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

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

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

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

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