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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: September 22, 2026
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22,371 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Atom Engine Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    10 - 49
    Leicester, England

    Services provided

    20% Web Development
    20% Mobile App Development
    20% UX/UI Design +4
    10% Custom Software Development
    10% E-Commerce Development
    10% Wearable App Development
    10% Web Design

    Focus Areas

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

    Atom Engine is an UX design company established in 2014. The agency focuses on UX/UI Design and Mobile App Development, and is small.

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  • Just Creative Agency Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    10 - 49
    Beograd, Serbia

    Services provided

    10% Web Development
    25% Product Design
    25% UX/UI Design +6
    10% Branding
    10% Web Design
    5% Graphic Design
    5% Logo
    5% Print Design
    5% Video Production

    Focus Areas

    20% JavaScript
    45% HTML5
    10% Other programming & scripting languages +4
    10% PHP
    5% AJAX
    5% SQL
    5% jquery

    Just Creative Agency is a small user experience company. Launched in 2013, the team offers UX/UI Design and Product Design.

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  • Swappsi Software Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    10 - 49
    Dublin, Ireland

    Services provided

    15% Web Development
    30% Custom Software Development
    15% Application Management & Support +4
    15% IT Staff Augmentation
    10% IT Strategy Consulting
    10% Mobile App Development
    5% Other Application Development

    Focus Areas

    15% JavaScript
    70% C#
    5% ASP.NET +2
    5% Redux
    5% SQL

    Custom software development company Swappsi Software specializes in Custom Software Development and IT staff augmentation. They are based in Dublin, Ireland.

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  • HYBrain Development Corporation Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Application Management & Support
    15% Application Testing +4
    15% Custom Software Development
    15% E-Commerce Development
    15% Mobile App Development
    10% Cybersecurity

    Focus Areas

    15% JavaScript
    30% C#
    30% PHP +2
    20% SQL
    5% Other programming & scripting languages

    Founded in 2016, HYBrain Development Corporation is a custom software development firm. Their team offers Custom Software Development and Application Management & Support.

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  • Appcentric Solutions Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Austin, TX

    Services provided

    10% Web Development
    70% Mobile App Development
    5% E-Commerce Development +3
    5% Search Engine Optimization
    5% UX/UI Design
    5% Web Design

    Focus Areas

    20% JavaScript
    20% PHP
    20% SQL +4
    15% Swift
    10% C++
    10% Python
    5% Other programming & scripting languages

    Appcentric Solutions is a small Austin, Texas-based application development firm. Their services include Mobile App Development and Web Development.

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  • Agna Business Applications Logotype

    Agna Business Applications

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +7
    10% E-Commerce Development
    5% Back Office Outsourcing
    5% IT Staff Augmentation
    5% IT Strategy Consulting
    5% Product Design
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    45% PHP
    30% ASP.NET +3
    5% AJAX
    5% Java
    5% XML

    Based in Coimbatore, India, Agna Business Applications is a small custom software development company. Their services include Custom Software Development and Mobile App Development.

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  • Outdo Inc Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% UX/UI Design
    15% Web Design +6
    10% Branding
    10% Custom Software Development
    10% E-Commerce Development
    10% Logo
    10% Mobile App Development
    10% Search Engine Optimization

    Focus Areas

    20% JavaScript
    20% PHP
    20% SQL +3
    15% AJAX
    15% Swift
    10% Objective C

    Outdo Inc is an UX company. Launched in 2016, the company provides UX/UI Design and Web Design.

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  • SilverPixelz Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Dubai, United Arab Emirates

    Services provided

    10% Web Development
    10% Branding
    10% E-Commerce Development +7
    10% Logo
    10% Mobile App Development
    10% Packaging Design
    10% Print Design
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

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

    Founded in 2010, SilverPixelz is a small Dubai, United Arab Emirates-based branding company. Their services include Branding and E-Commerce Development.

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  • Under Development Office Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    35% Blockchain
    30% Mobile App Development +2
    10% UX/UI Design
    5% Business Consulting

    Focus Areas

    10% JavaScript
    15% Kotlin
    15% Swift +6
    10% C
    10% C#
    10% C++
    10% Java
    10% Other programming & scripting languages
    10% PHP

    Under Development Office is a Blockchain company. The team is headquartered in București, Romania, and their services include Blockchain and Mobile App Development.

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  • CCR Technologies Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    40% Custom Software Development
    20% BI & Big Data Consulting & SI +1
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    15% ASP.NET
    15% SQL +8
    10% C#
    10% PHP
    10% Python
    10% XML
    5% Objective C
    5% Other programming & scripting languages
    5% Swift
    5% Visual Basic

    CCR Technologies is a software development company. Founded in 2003, the team focuses on Custom Software Development and BI & big data consulting & SI.

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  • Innovent Business Solutions Logotype

    Innovent Business Solutions

    Not yet reviewed

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

    Services provided

    10% Web Development
    50% Custom Software Development
    25% Mobile App Development +2
    10% IT Staff Augmentation
    5% E-Commerce Development

    Focus Areas

    20% JavaScript
    40% C#
    20% ASP.NET +1
    20% SQL

    Innovent Business Solutions is a Sydney, Australia-based custom software development firm. The team offers Custom Software Development and Mobile App Development.

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  • Wolfmatrix Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    40% Mobile App Development
    15% Custom Software Development +5
    10% Application Management & Support
    5% Application Testing
    5% Product Design
    5% UX/UI Design
    5% Web Design

    Focus Areas

    15% JavaScript
    30% Java
    15% Python +6
    15% Swift
    5% C#
    5% C++
    5% Objective C
    5% PHP
    5% SQL

    Wolfmatrix is a small app development company. They offer Mobile App Development and Custom Software Development and were established in 2014.

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  • Binary Web Solutions India Pvt Ltd. Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +4
    20% Web Design
    10% Digital Strategy
    5% Logo
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    50% PHP
    10% AJAX +3
    10% SQL
    10% Swift
    10% XML

    Based in Mumbai, India, Binary Web Solutions India Pvt Ltd. Is a small software development firm. Their services include Custom Software Development and Mobile App Development.

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  • Olicom Interactive Sp. z o.o. Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    25% Application Management & Support
    25% Custom Software Development +4
    15% Mobile App Development
    10% E-Commerce Development
    10% Enterprise App Modernization
    5% Blockchain

    Focus Areas

    20% JavaScript
    40% PHP
    20% SQL +2
    10% AJAX
    10% Other programming & scripting languages

    Olicom Interactive Sp. Z o.o. Is a custom software development company. Founded in 2006, their team specializes in Custom Software Development and Application Management & Support.

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  • Serious Software Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49
    Norwich, England

    Services provided

    20% Web Development
    20% Application Testing
    20% Custom Software Development +2
    20% Mobile App Development
    20% Wearable App Development

    Focus Areas

    10% JavaScript
    20% Other programming & scripting languages
    10% C# +6
    10% C++
    10% Ember.js
    10% Java
    10% PHP
    10% Python
    10% Ruby

    Launched in 2017, Serious Software is a software development firm. The company offers Custom Software Development and Web Development, and is small.

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  • Emphatic Technologies Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    10% JavaScript
    20% PHP
    20% SQL +5
    10% C#
    10% C++
    10% Java
    10% Swift
    10% XML

    Emphatic Technologies is a small mobile app development firm based in Ahmedabad, India and kew East, Australia. Their services include Mobile App Development and Web Development.

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  • Netedge Technology Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    40% IT Managed Services
    20% Mobile App Development +2
    10% Custom Software Development
    10% IoT Development

    Focus Areas

    10% JavaScript
    15% PHP
    10% AJAX +8
    10% ASP.NET
    10% Java
    10% Python
    10% SQL
    10% Swift
    5% C#
    5% Other programming & scripting languages
    5% Perl

    Netedge Technology is an IT managed services company. Founded in 2004, the company offers IT managed services and Mobile App Development.

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  • Acwits Solutions LLP Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% E-Commerce Development
    10% Mobile App Development +11
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    5% Business Consulting
    5% Graphic Design
    5% Logo
    5% Mobile & App Marketing
    5% Packaging Design
    5% Print Design
    5% UX/UI Design
    5% Web Design

    Focus Areas

    20% JavaScript
    30% ASP.NET
    20% AJAX +2
    20% SQL
    10% PHP

    Acwits Solutions LLP is a social media marketing agency. They provide Social Media Marketing and Search Engine Optimization and were established in 2016. The agency is based in Noida, India.

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  • Miraculous Soft Solutions Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Flowood, MS

    Services provided

    20% Web Development
    45% Custom Software Development
    15% Search Engine Optimization +2
    10% Mobile App Development
    10% Web Design

    Focus Areas

    10% JavaScript
    20% Python
    10% ASP.NET +10
    10% PHP
    10% Visual Basic
    5% HTML5
    5% Java
    5% Other programming & scripting languages
    5% Ruby
    5% SQL
    5% Swift
    5% Typescript
    5% jquery

    Miraculous Soft Solutions, a custom software development company, is in SAS Nagar, Mohali, Punjab, India and Flowood, Mississippi. They provide Custom Software Development and Web Development.

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  • BIGZIEL Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Chennai, India

    Services provided

    10% Web Development
    20% E-Commerce Development
    20% Mobile App Development +5
    15% UX/UI Design
    10% Application Testing
    10% Custom Software Development
    10% Other Application Development
    5% Wearable App Development

    Focus Areas

    20% JavaScript
    20% PHP
    10% AJAX +5
    10% Ember.js
    10% Objective C
    10% Other programming & scripting languages
    10% Python
    10% Swift

    Established in 2015, BIGZIEL is a small application development firm. Their services include Mobile App Development and E-Commerce Development.

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  • MD3 - Development, Outsourcing & Design Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    35% IT Staff Augmentation
    25% Custom Software Development +2
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    60% Python
    20% PHP +1
    10% C++

    MD3 - Development, Outsourcing & Design is an IT staff augmentation company in Leiria, Portugal and Leiria, Portugal. Their services include IT staff augmentation and Custom Software Development.

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  • SUDO Technologies LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    دبي, United Arab Emirates

    Services provided

    20% Web Development
    40% Mobile App Development
    20% Custom Software Development +2
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

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

    SUDO Technologies LLC is a small mobile app development firm based in دبي, United Arab Emirates. The team focuses on Mobile App Development and Custom Software Development.

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  • COPRINF Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Santa Fe, Argentina

    Services provided

    20% Web Development
    15% IT Staff Augmentation
    10% E-Commerce Development +7
    10% Graphic Design
    10% IoT Development
    10% Mobile App Development
    10% Other IT Consulting and SI
    5% Logo
    5% UX/UI Design
    5% Web Design

    Focus Areas

    10% JavaScript
    50% Other programming & scripting languages
    20% Python +2
    10% PHP
    10% SQL

    COPRINF is a website development company founded in 2011. Their services include Web Development and IT staff augmentation.

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  • Squarei Technologies Inc Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Fort Collins, CO

    Services provided

    20% Web Development
    20% Custom Software Development
    10% BI & Big Data Consulting & SI +5
    10% Cloud Consulting & SI
    10% Enterprise App Modernization
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Web Design

    Focus Areas

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

    Custom software development firm Squarei Technologies Inc is headquartered in Fort Collins, Colorado. The team offers Custom Software Development and Web Development.

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  • SankalpIT Services Pvt. Ltd. Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    70% IT Strategy Consulting
    10% IT Staff Augmentation +2
    5% HR Consulting
    5% Social Media Marketing

    Focus Areas

    20% JavaScript
    30% PHP
    20% ASP.NET +2
    20% C#
    10% Typescript

    SankalpIT Services Pvt. Ltd. Is an IT strategy consulting company. Their team is located in Sahibzada Ajit Singh Nagar, India. The company focuses on IT strategy consulting and IT staff

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  • Trabsky | Software House & Business Automation Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    Warszawa, Poland

    Services provided

    20% Web Development
    24% Custom Software Development
    20% Mobile App Development +6
    20% Web Design
    10% E-Commerce Development
    2% Application Management & Support
    2% Application Testing
    1% Mobile & App Marketing
    1% Other Application Development

    Focus Areas

    10% JavaScript
    30% Java
    20% Python +5
    15% C#
    10% PHP
    10% SQL
    3% Other programming & scripting languages
    2% AJAX

    Trabsky | Software House & Business Automation is a small custom software development firm launched in 2018. Their team specializes in Custom Software Development and Mobile App Development.

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  • Digital Marketing Company in Mumbai - Brandstorydigital Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Mumbai, India

    Services provided

    10% Web Development
    10% Advertising
    10% Business Consulting +10
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design
    5% Affiliate Marketing
    5% Branding
    5% Content Marketing
    5% Conversion Optimization
    5% Email Marketing
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    50% PHP
    10% Other programming & scripting languages +2
    10% SQL
    10% XML

    Digital Marketing Company in Mumbai - Brandstorydigital is an Advertising company in Mumbai, India. They specialize in Advertising and Social Media Marketing and were established in 2012.

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  • Orimark Technologies Pvt Ltd Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    10 - 49
    Bhubaneswar, India

    Services provided

    10% Web Development
    20% Other Digital Marketing
    10% Advertising +6
    10% Custom Software Development
    10% E-Commerce Development
    10% Mobile & App Marketing
    10% Mobile App Development
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    20% JavaScript
    20% Java
    20% Other programming & scripting languages +2
    20% PHP
    20% XML

    Orimark Technologies Pvt Ltd, an Other Digital Marketing company, was founded in 2010. In Bhubaneswar, India and Bhubaneswar, India, the team provides Other Digital Marketing and Advertising.

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  • 3Rare Dynamics Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Call Center Services
    20% E-Commerce Development +3
    20% Mobile App Development
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    10% JavaScript
    10% Ember.js
    10% Java +7
    10% Objective C
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% Redux
    10% Typescript
    10% UnrealScript

    Launched in 2022, 3Rare Dynamics is a small web design agency in Kolkata, India. Their team specializes in Web Design and Web Development.

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  • Kaalo LLC Logotype

    Not yet reviewed

    $100,000+
    $200 - $300 / hr
    10 - 49
    Austin, TX

    Services provided

    10% Web Development
    30% AR/VR Development
    30% Product Design +3
    10% Custom Software Development
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    20% PHP
    20% Swift +4
    10% C#
    10% Java
    10% Kotlin
    10% Other programming & scripting languages

    Kaalo LLC is a Product Design company. They offer Product Design and AR/VR development and are located in Austin, Texas.

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  • Kanellis Development Labs Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Mobile App Development
    15% Custom Software Development +11
    5% AR/VR Development
    5% Application Management & Support
    5% Application Testing
    5% Enterprise App Modernization
    5% IoT Development
    5% Other Application Development
    5% Wearable App Development
    3% IT Managed Services
    3% IT Strategy Consulting
    2% Cloud Consulting & SI
    2% Web Design

    Focus Areas

    15% JavaScript
    15% Java
    15% Kotlin +6
    15% SQL
    15% Swift
    10% Python
    5% HTML5
    5% Other programming & scripting languages
    5% Rust

    Kanellis Development Labs, an app development company, is based in Evosmos, Greece. They offer Mobile App Development and Custom Software Development and were founded in 2022.

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  • Digital Magic Touch Logotype

    Digital Magic Touch

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Search Engine Optimization
    5% Advertising +29
    5% Branding
    5% E-Commerce Development
    5% Graphic Design
    5% Logo
    5% Mobile & App Marketing
    5% Pay Per Click
    5% Product Marketing
    5% Social Media Marketing
    5% Video Marketing
    5% Web Design
    2% Content Marketing
    2% Digital Strategy
    2% Ecommerce Marketing
    2% IT Managed Services
    2% Marketing Strategy
    2% Media Planning & Buying
    1% Affiliate Marketing
    1% CRM Consulting and SI
    1% Conversion Optimization
    1% Cybersecurity
    1% Email Marketing
    1% IT Strategy Consulting
    1% Market Research
    1% Mobile App Development
    1% Other Digital Marketing
    1% Packaging Design
    1% Print Design
    1% UX/UI Design
    1% Video Production

    Focus Areas

    20% JavaScript
    20% Java
    20% PHP +4
    15% HTML5
    10% ASP.NET
    10% XML
    5% C++

    Founded in 2022, Digital Magic Touch, a small SEO company, is based in Teulon, Canada and Surrey, Canada. Their team focuses on Search Engine Optimization and Web Development.

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  • Ebslon Infotech Pvt Ltd Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% CRM Consulting and SI
    20% Digital Strategy +2
    20% E-Commerce Development
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Ember.js +7
    10% HTML5
    10% PHP
    10% Python
    10% Redux
    10% SQL
    10% Typescript
    10% XML

    Headquartered in New Delhi, India, Ebslon Infotech Pvt Ltd is a small Digital Strategy company. Their services include Digital Strategy and CRM consulting and SI.

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  • Ludvík Remešek - RemarDEV Logotype

    Ludvík Remešek - RemarDEV

    Not yet reviewed

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

    Services provided

    14% Web Development
    25% UX/UI Design
    20% Digital Strategy +6
    15% Branding
    10% Low/No Code Development
    5% Ecommerce Marketing
    5% Graphic Design
    5% IT Managed Services
    1% Custom Software Development

    Focus Areas

    30% JavaScript
    25% HTML5
    25% Typescript +2
    10% PHP
    10% SQL

    Ludvík Remešek - RemarDEV is a Krnov 1, Czech Republic-based UX company. Launched in 2023, the team provides UX/UI Design and Web Development.

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  • Teqfocus Consulting LLC Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    50 - 249
    Toronto, Canada

    Services provided

    15% Web Development
    30% CRM Consulting and SI
    20% Custom Software Development +3
    15% Cloud Consulting & SI
    10% Business Consulting
    10% Enterprise App Modernization

    Focus Areas

    10% JavaScript
    15% ASP.NET
    15% ColdFusion +6
    15% Python
    10% Apex
    10% Java
    10% PHP
    10% Visual Basic
    5% Other programming & scripting languages

    Teqfocus Consulting LLC offers a range of IT consulting services, including software development, quality assurance, and user interface design. Reviews highlight their ability to deliver comprehensive solutions such as fully developed applications, live sites, and monitoring dashboards. Feedback is generally positive, emphasizing their good value for cost and effective communication.

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  • Pointel Inc Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Edison, NJ

    Services provided

    10% Web Development
    60% CRM Consulting and SI
    10% Business Continuity Management +3
    10% Unified Communications Consulting & SI
    5% Application Management & Support
    5% Application Testing

    Focus Areas

    15% JavaScript
    25% Java
    20% ASP.NET +4
    10% AJAX
    10% PHP
    10% SQL
    10% XML

    Pointel Inc is a CRM consulting and SI company. The team focuses on CRM consulting and SI and unified communications consulting & SI, and the firm is in Edison, New Jersey.

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  • Brown Deck Innovations Logotype

    Not yet reviewed

    $5,000+
    Undisclosed
    50 - 249
    Los Altos, CA

    Services provided

    15% Web Development
    20% Custom Software Development
    15% Mobile App Development +6
    10% E-Commerce Development
    10% UX/UI Design
    10% Wearable App Development
    10% Web Design
    5% CRM Consulting and SI
    5% ERP Consulting and SI

    Focus Areas

    10% JavaScript
    20% Java
    20% Objective C +4
    20% Swift
    10% ASP.NET
    10% PHP
    10% SQL

    Founded in 2011, Brown Deck Innovations is a software development firm. The team specializes in Custom Software Development and Mobile App Development and is located in Los Altos, California.

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  • Estech Digital Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    10% JavaScript
    20% ASP
    20% ASP.NET +5
    10% C#
    10% C++
    10% Java
    10% PHP
    10% Ruby

    Estech Digital is a software development firm founded in 2015. Based in Los Angeles, California and London, England, the team provides Custom Software Development and Web Development.

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  • Introduct Group Logotype

    Not yet reviewed

    $100,000+
    $50 - $99 / hr
    50 - 249
    Kyiv, Ukraine

    Services provided

    15% Web Development
    20% Application Testing
    15% Custom Software Development +5
    15% Mobile App Development
    15% Other Application Development
    10% Low/No Code Development
    5% Call Center Services
    5% E-Commerce Development

    Focus Areas

    10% JavaScript
    15% Java
    15% Kotlin +10
    10% Elixir
    10% Typescript
    5% ASP.NET
    5% C#
    5% Go
    5% PHP
    5% Python
    5% SQL
    5% Swift
    5% XML

    Introduct Group is a Kyiv, Ukraine-based software development firm. Established in 2017, the team provides Custom Software Development and Application Testing.

    Read more
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  • T2S Tecnologia Logotype

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    50 - 249
    Santos, Brazil

    Services provided

    15% Web Development
    15% API Development
    10% Application Management & Support +6
    10% Application Testing
    10% BI & Big Data Consulting & SI
    10% Custom Software Development
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    10% C#
    10% Java +11
    10% PHP
    10% Python
    10% SQL
    5% ASP
    5% ASP.NET
    5% C
    5% C++
    5% HTML5
    5% Typescript
    5% XML
    5% jquery

    T2S Tecnologia is a website development firm. Launched in 2003, the team specializes in Web Development and API Development.

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  • Maxxmann Communications Logotype

    Maxxmann Communications

    Not yet reviewed

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

    Services provided

    15% Web Development
    60% Digital Strategy
    15% Web Design +1
    10% Mobile App Development

    Focus Areas

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

    Established in 2018, Maxxmann Communications is a Digital Strategy company. The firm provides Digital Strategy and Web Design.

    Read more
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  • Softnix Logotype

    Not yet reviewed

    $10,000+
    < $25 / hr
    10 - 49
    Sugar Land, TX

    Services provided

    30% Web Development
    30% Mobile App Development
    25% Custom Software Development +1
    15% UX/UI Design

    Focus Areas

    15% JavaScript
    25% Kotlin
    25% Swift +3
    15% PHP
    10% Java
    10% Python

    Established in 2020, Softnix is a website development company. Their services include Web Development and Mobile App Development.

    Read more
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  • Asseco DUS Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    50 - 249
    Warszawa, Poland

    Services provided

    10% Web Development
    30% Mobile App Development
    20% Application Management & Support +3
    20% Custom Software Development
    10% Enterprise App Modernization
    10% IoT Development

    Focus Areas

    10% JavaScript
    50% Java
    10% ASP.NET +5
    10% SQL
    5% C#
    5% Objective C
    5% Python
    5% XML

    Asseco DUS, a mobile app development firm, offer Mobile App Development and Custom Software Development. They were founded in 2016.

    Read more
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  • Atologist Infotech Pvt Ltd Logotype

    Atologist Infotech Pvt Ltd

    Not yet reviewed

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

    Services provided

    10% Web Development
    40% AI Development
    20% Custom Software Development +3
    10% Enterprise App Modernization
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    40% Python
    20% SQL +2
    10% HTML5
    10% PHP

    Founded in 2014, Atologist Infotech Pvt Ltd is a midsize Surat, India-based AI firm. Their services include Artificial Intelligence and Custom Software Development.

    Read more
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  • Msinterface Technologies Pvt. Ltd. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    New Delhi, India

    Services provided

    20% Web Development
    10% Content Marketing
    10% Digital Strategy +6
    10% E-Commerce Development
    10% Low/No Code Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    10% JavaScript
    50% AJAX
    30% PHP +1
    10% Visual Basic

    Web design company Msinterface Technologies Pvt. Ltd. Is in New Delhi, India. They specialize in Web Design and Web Development.

    Read more
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  • nextron internet team GmbH Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    2 - 9
    Basel, Switzerland

    Services provided

    20% Web Development
    30% Web Design
    20% Cloud Consulting & SI +2
    20% Mobile App Development
    10% E-Commerce Development

    Focus Areas

    10% JavaScript
    50% ColdFusion
    10% AJAX +3
    10% HTML5
    10% PHP
    10% SQL

    Nextron internet team GmbH is a web design agency. The agency is located in Basel, Switzerland. Their team specializes in Web Design and cloud consulting & SI.

    Read more
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  • Techshineup Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    50% Web Design
    15% E-Commerce Development +2
    15% Search Engine Optimization
    5% UX/UI Design

    Focus Areas

    40% JavaScript
    30% PHP
    20% jquery +1
    10% HTML5

    Techshineup, a web design agency, is in Sahibzada Ajit Singh Nagar, India. They offer Web Design and Web Development and were founded in 2025.

    Read more
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  • Foenix Hub - Out of Business Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    2 - 9
    Oko Erin, Nigeria

    Services provided

    25% Web Development
    25% Branding
    25% Digital Strategy +2
    15% Web Design
    10% Low/No Code Development

    Focus Areas

    50% JavaScript
    30% Other programming & scripting languages
    20% Kotlin

    Foenix Hub - Out of Business was a company specializing in Website Development, providing services for both personal and international client needs. Reviews highlighted their outstanding responsiveness and exemplary customer service, with 100% positive feedback regarding their project management and communication style.

    See all 1 projects
    1 of 1 Web Development reviews are 5 stars
    Unknown avg. project cost

    Web Development PROJECT HIGHLIGHT

    Website Development for Writing Agency

    5.0 — Foenix Hub provided website development services for a writing agency. Read more
    Read 1 Review

    Industry Experience

    Foenix Hub has received positive feedback primarily in the publishing industry, where they demonstrated strong expertise in website development. Clients praised their exceptional customer service, responsiveness, and effective project management. The overall sentiment is highly favorable, highlighting their impact on personal and client projects. This provider is particularly well-suited for businesses in the publishing sector seeking reliable web development solutions.

    Read All Reviews

    Select Industry to see insights

    Publishing

    Average Project Cost Breakdown

    What Clients Have Said

    Clients have expressed high satisfaction with Foenix Hub's pricing and value for money, highlighting their outstanding customer service and responsiveness. One client noted that the company delivered exceptional website development services, with no areas for improvement identified. The overall sentiment indicates that clients feel they received excellent value relative to the costs incurred, which was a key factor in their selection of the vendor.
    Read All Reviews
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  • 1stWave Interactive Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Branding
    25% Mobile App Development +1
    25% UX/UI Design

    Focus Areas

    50% JavaScript
    50% AJAX

    In Sebastopol, California and Santa Cruz, California, 1stWave Interactive is a branding company. Founded in 2010, the team specializes in Branding and UX/UI Design.

    Read more
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  • Notch8 Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    2 - 9
    San Diego, CA

    Services provided

    25% Web Development
    30% Custom Software Development
    15% Mobile App Development +3
    10% Cybersecurity
    10% UX/UI Design
    10% Wearable App Development

    Focus Areas

    100% JavaScript

    Software development company Notch8 is based in San Diego, California. Launched in 2007, the team offers Custom Software Development and Web Development.

    Read more
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At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

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

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

We evaluate service providers using a structured methodology that combines:

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

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Ability to deliver
Focus
Clutch Leaders Matrix

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

1 ImageX
2 xfive
3 GeekyAnts
4 Flowout
5 Brainhub
6 The Software House
7 PowerGate Software
8 HTMLPanda
9 FocusReactive
10 Arcanys
11 WPWeb Infotech
12 Softonix
13 PopArt Studio
14 Lizard Global
15 Experion Technologies

List of the Top 15 JavaScript Development Companies

  1. ImageX Logotype

    ImageX

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

    Ability to deliver

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

    Service focus

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

    xfive

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

    Ability to deliver

    35.9/40.0
    19/20 Reviews
    10/10 Clients & Experience
    6.9/10 Market Presence

    Service focus

    60% Web Development
    50% JavaScript
    40% Other
    View Profile Visit Website
  3. GeekyAnts Logotype

    GeekyAnts

    $10,000+
    $25 - $49 / hr
    250 - 999
    Bengaluru, India

    Ability to deliver

    37.2/40.0
    20/20 Reviews
    10/10 Clients & Experience
    7.2/10 Market Presence

    Service focus

    20% Web Development
    40% JavaScript
    80% Other
    View Profile Visit Website
  4. Flowout Logotype

    Flowout

    $5,000+
    $50 - $99 / hr
    50 - 249
    Maribor, Slovenia

    Ability to deliver

    35.1/40.0
    20/20 Reviews
    10/10 Clients & Experience
    5.1/10 Market Presence

    Service focus

    40% Web Development
    100% JavaScript
    60% Other
    View Profile Visit Website
  5. Brainhub Logotype

    Brainhub

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

    Ability to deliver

    34.1/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

    45% Web Development
    75% JavaScript
    55% Other
    View Profile Visit Website
  6. The Software House Logotype

    The Software House

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

    Ability to deliver

    34.5/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

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

    PowerGate Software

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

    Ability to deliver

    35.9/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    7.1/10 Market Presence

    Service focus

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

    HTMLPanda

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

    Ability to deliver

    32.8/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    6.6/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  9. FocusReactive Logotype

    FocusReactive

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

    Ability to deliver

    34.8/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    6.2/10 Market Presence

    Service focus

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

    Arcanys

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

    Ability to deliver

    35.6/40.0
    20/20 Reviews
    10/10 Clients & Experience
    5.6/10 Market Presence

    Service focus

    30% Web Development
    20% JavaScript
    70% Other
    View Profile Visit Website
  11. WPWeb Infotech Logotype

    WPWeb Infotech

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

    Ability to deliver

    37/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    7.4/10 Market Presence

    Service focus

    45% Web Development
    10% JavaScript
    55% Other
    View Profile Visit Website
  12. Softonix Logotype

    Softonix

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

    Ability to deliver

    32.3/40.0
    17.2/20 Reviews
    10/10 Clients & Experience
    5.1/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  13. PopArt Studio Logotype

    PopArt Studio

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

    Ability to deliver

    35.6/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    6/10 Market Presence

    Service focus

    35% Web Development
    40% JavaScript
    65% Other
    View Profile Visit Website
  14. Lizard Global Logotype

    Lizard Global

    $10,000+
    $50 - $99 / hr
    50 - 249
    Amsterdam, Netherlands

    Ability to deliver

    34.9/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    5.1/10 Market Presence

    Service focus

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

    Experion Technologies

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

    Ability to deliver

    33.6/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    6.8/10 Market Presence

    Service focus

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

    INOXOFT

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

    Ability to deliver

    35.5/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    6.7/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  17. Cleveroad Logotype

    Cleveroad

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

    Ability to deliver

    36.2/40.0
    20/20 Reviews
    10/10 Clients & Experience
    6.2/10 Market Presence

    Service focus

    30% Web Development
    15% JavaScript
    70% Other
    View Profile Visit Website
  18. Povio Logotype

    Povio

    $10,000+
    $50 - $99 / hr
    50 - 249
    San Francisco, CA

    Ability to deliver

    32.6/40.0
    18.8/20 Reviews
    8.3/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    55% Web Development
    45% JavaScript
    45% Other
    View Profile Visit Website
  19. Sigma Software Group Logotype

    Sigma Software Group

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

    Ability to deliver

    36.3/40.0
    17.6/20 Reviews
    10/10 Clients & Experience
    8.8/10 Market Presence

    Service focus

    15% Web Development
    18% JavaScript
    85% Other
    View Profile Visit Website
  20. Xmartlabs Logotype

    Xmartlabs

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

    Ability to deliver

    33.8/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    50% Web Development
    35% JavaScript
    50% Other
    View Profile Visit Website
  21. Incora Logotype

    Incora

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

    Ability to deliver

    33.1/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  23. Adchitects Logotype

    Adchitects

    $25,000+
    $50 - $99 / hr
    10 - 49
    Poznań, Poland

    Ability to deliver

    33.8/40.0
    17/20 Reviews
    10/10 Clients & Experience
    6.8/10 Market Presence

    Service focus

    50% Web Development
    60% JavaScript
    50% Other
    View Profile Visit Website
  24. Techuz InfoWeb Pvt. Ltd. Logotype

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

    31.9/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  25. SpdLoad Logotype

    SpdLoad

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

    Ability to deliver

    31.9/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  26. XWP Logotype

    XWP

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

    Ability to deliver

    31.9/40.0
    15.8/20 Reviews
    10/10 Clients & Experience
    6.1/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  27. Toptal Logotype

    Toptal

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

    Ability to deliver

    33.9/40.0
    17.2/20 Reviews
    9.9/10 Clients & Experience
    6.8/10 Market Presence

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  28. unicrew Logotype

    unicrew

    $10,000+
    $25 - $49 / hr
    50 - 249
    Kraków, Poland

    Ability to deliver

    33.8/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    5/10 Market Presence

    Service focus

    30% Web Development
    50% JavaScript
    70% Other
    View Profile Visit Website
  29. Konstant Infosolutions Logotype

    Konstant Infosolutions

    $5,000+
    $25 - $49 / hr
    250 - 999
    Jaipur, India

    Ability to deliver

    37.4/40.0
    20/20 Reviews
    10/10 Clients & Experience
    7.4/10 Market Presence

    Service focus

    10% Web Development
    25% JavaScript
    90% Other
    View Profile Visit Website
  30. Vardot Logotype

    Vardot

    $25,000+
    $100 - $149 / hr
    50 - 249
    Santa Clara, CA

    Ability to deliver

    35.1/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    7.3/10 Market Presence

    Service focus

    60% Web Development
    20% JavaScript
    40% 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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