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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 24, 2026
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22,371 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Alsol Technology Solution Pvt Ltd Logotype

    Not yet reviewed

    $25,000+
    $50 - $99 / hr
    10 - 49
    Kolkata, India

    Services provided

    35% Web Development
    50% Mobile App Development
    5% Custom Software Development +2
    5% Other Application Development
    5% Web Design

    Focus Areas

    25% JavaScript
    55% Python
    20% PHP

    Alsol Technology Solution Pvt Ltd, a small mobile application development company, is in Kolkata, India and Kolkata, India. Their services include Mobile App Development and Web Development.

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  • Galago Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    2 - 9
    Phoenix, AZ

    Services provided

    15% Web Development
    35% Mobile App Development
    15% AI Development +3
    15% Web Design
    10% Custom Software Development
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    20% Python
    15% Other programming & scripting languages +6
    10% HTML5
    10% Ruby
    10% Typescript
    5% Objective C
    5% SQL
    5% Swift

    Galago specializes in Website Development and app development, providing seamless and custom online development solutions. Their clients commend their expeditious and effective delivery, dedication to client goals, and responsive project management. Overall, feedback highlights Galago's strong alignment with client values and excellent service execution.

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  • Bizaffix Logotype

    Bizaffix

    Not yet reviewed

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

    Services provided

    15% Web Development
    30% Cloud Consulting & SI
    15% AI Development +3
    15% Mobile App Development
    15% Product Design
    10% Custom Software Development

    Focus Areas

    15% JavaScript
    15% HTML5
    15% Java +5
    15% Other programming & scripting languages
    15% PHP
    15% Typescript
    5% Python
    5% SQL

    Bizaffix specializes in Website Development, Web Design, and other online development services. Reviews highlight their strong project management, timely delivery, and tailored solutions meeting specific client needs. Clients appreciate their expertise, reasonable pricing, and dedication to customer satisfaction, although expanding their team for faster delivery was suggested.

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  • InsilicoSoft Logotype

    InsilicoSoft

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49

    Services provided

    20% Web Development
    20% CRM Consulting and SI
    20% E-Commerce Development +3
    15% Pay Per Click
    15% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

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

    InsilicoSoft is a CRM consulting and SI company located in Ivano-Frankivsk, Ukraine. Founded in 2016, the team offers CRM consulting and SI and Web Development.

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  • eWay Corp Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    50 - 249
    McLean, VA

    Services provided

    30% Web Development
    30% Cloud Consulting & SI
    10% IT Managed Services +3
    10% Other Digital Marketing
    10% Search Engine Optimization
    10% UX/UI Design

    Focus Areas

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

    EWay Corp is a cloud consulting & SI company. They were established in 2007 and focus on cloud consulting & SI and Web Development.

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  • IT ETHIOPIA Logotype

    Not yet reviewed

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

    Services provided

    35% Web Development
    25% E-Commerce Development
    20% Mobile App Development +2
    10% Low/No Code Development
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    15% PHP
    15% Python +5
    15% SQL
    15% Visual Basic
    10% AJAX
    10% Kotlin
    10% Redux

    Based in Addis Ababa, Ethiopia, IT ETHIOPIA is a website development company. The team provides Web Development and E-Commerce Development.

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  • MeghRaj TechnoSoft Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    35% E-Commerce Development
    25% Web Design +1
    15% Mobile App Development

    Focus Areas

    20% JavaScript
    30% PHP
    15% SQL +4
    15% Swift
    10% Redux
    5% AJAX
    5% Typescript

    Located in Ahmedabad, India, MeghRaj TechnoSoft is a small e-commerce development company. Their services include E-Commerce Development and Web Design.

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  • Ecsion Inc. Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Custom Software Development
    25% E-Commerce Development +1
    25% Mobile App Development

    Focus Areas

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

    Ecsion Inc. Is a software development company. Launched in 2010, the team provides Custom Software Development and E-Commerce Development.

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  • PTS IT Solutions Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    30% CRM Consulting and SI
    15% E-Commerce Development +4
    15% Web Design
    10% ERP Consulting and SI
    10% Mobile App Development
    5% Logo

    Focus Areas

    30% JavaScript
    70% PHP

    Established in 2014, PTS IT Solutions is a CRM consulting and SI company. The company offers CRM consulting and SI and Web Design, and is small.

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  • WebcadenceIndia Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Mobile & App Marketing
    15% Pay Per Click +5
    15% Social Media Marketing
    10% Digital Strategy
    10% Ecommerce Marketing
    10% Email Marketing
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    20% Ember.js
    20% PHP +5
    10% Elixir
    10% Java
    10% Python
    10% SQL
    10% XML

    Located in Noida, India and Noida, India, WebcadenceIndia is a social media marketing company. They specialize in Social Media Marketing and Mobile & App Marketing.

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  • Byteknight Creations Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% E-Commerce Development
    10% Graphic Design +19
    10% Mobile & App Marketing
    10% Search Engine Optimization
    10% Web Design
    7% UX/UI Design
    5% Logo
    5% Mobile App Development
    5% Pay Per Click
    5% Social Media Marketing
    3% Custom Software Development
    1% Blockchain
    1% Content Marketing
    1% Cybersecurity
    1% Email Marketing
    1% Enterprise App Modernization
    1% IT Strategy Consulting
    1% Packaging Design
    1% Print Design
    1% Product Design
    1% Video Production

    Focus Areas

    11% JavaScript
    33% PHP
    12% AJAX +4
    11% ASP
    11% Python
    11% SQL
    11% XML

    E-commerce development company Byteknight Creations focuses on E-Commerce Development and Graphic Design. They are based in Vadodara, India.

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  • Digimark - Digital Marketing Logotype

    Not yet reviewed

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

    Services provided

    14% Web Development
    16% Social Media Marketing
    14% Mobile App Development +4
    14% Other Digital Marketing
    14% Pay Per Click
    14% Search Engine Optimization
    14% Web Design

    Focus Areas

    16% JavaScript
    20% PHP
    16% C++ +3
    16% Java
    16% Python
    16% SQL

    Digimark - Digital Marketing, a social media marketing agency, was founded in 2019. The team focuses on Social Media Marketing and Mobile App Development.

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  • iBrain Developers Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    40% Corporate Training & Coaching
    10% Custom Software Development +4
    10% Graphic Design
    10% Logo
    10% Product Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% Python
    15% PHP +5
    15% SQL
    10% AJAX
    10% Java
    5% C
    5% C++

    IBrain Developers is a small Corporate Training & Coaching company founded in 2017. Their services include Corporate Training & Coaching and Web Design.

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  • Krinfud Digitals Logotype

    Krinfud Digitals

    5.0 1 review
    $1,000+
    $50 - $99 / hr
    50 - 249

    Services provided

    10% Web Development
    20% Branding
    20% Social Media Marketing +4
    15% Pay Per Click
    15% Search Engine Optimization
    10% AR/VR Development
    10% Business Consulting

    Focus Areas

    11% JavaScript
    17% ASP.NET
    11% C++ +6
    11% Ember.js
    11% Other programming & scripting languages
    11% PHP
    11% Python
    11% Visual Basic
    6% SQL

    Krinfud Digitals specializes in crafting marketing strategies and executing digital campaigns. Reviews highlight their impressive quality of work, punctuality, and effective communication. Clients appreciate their young and approachable team, noting progress in their marketing objectives.

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  • ZillionEra Logotype

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

    Services provided

    25% Web Development
    20% E-Commerce Development
    20% Web Design +3
    15% Mobile App Development
    10% Low/No Code Development
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    30% PHP
    15% AJAX +4
    10% Objective C
    10% Python
    10% SQL
    5% C

    ZillionEra offers website development services with a specialization in Shopify. Reviews indicate that the company excels in project management, with a responsive and understanding team that effectively communicates and meets project requirements. Overall, clients have experienced positive outcomes, including increased sales, and commend the team's availability and problem-solving approach.

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  • SLATE Logotype

    SLATE

    Not yet reviewed

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

    Services provided

    30% Web Development
    20% Branding
    20% Graphic Design +2
    20% Video Production
    10% Web Design

    Focus Areas

    30% JavaScript
    30% HTML5
    30% Typescript +1
    10% jquery

    SLATE, a website development company, was established in 2018. The firm offers Web Development and Branding, and is small.

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  • Webdesign Bureau De Webmakers Logotype

    Not yet reviewed

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

    Services provided

    45% Web Development
    25% Search Engine Optimization
    15% Content Marketing +1
    15% Web Design

    Focus Areas

    10% JavaScript
    90% PHP

    Webdesign Bureau De Webmakers is a web development firm. The small Gorinchem, Netherlands-based team provides Web Development and Search Engine Optimization. The agency was founded in 2000.

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  • SymProject GmbH Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Schriesheim, Germany

    Services provided

    35% Web Development
    35% Custom Software Development
    30% Cloud Consulting & SI

    Focus Areas

    50% JavaScript
    50% Java

    SymProject GmbH is a custom software development firm. They focus on Custom Software Development and Web Development and were established in 2010. The firm is in Schriesheim, Germany.

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  • REEL UNLIMITED Logotype

    REEL UNLIMITED

    Not yet reviewed

    $1,000+
    Undisclosed
    10 - 49

    Services provided

    35% Web Development
    35% Web Design
    30% Graphic Design

    Focus Areas

    70% JavaScript
    15% HTML5
    15% Other programming & scripting languages

    REEL UNLIMITED is a web design company. Their small team of employees is located in San Francisco, California and Acton, Canada. Their team focuses on Web Design and Web Development.

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  • BSource Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Americana - SP, Brazil

    Services provided

    35% Web Development
    20% Custom Software Development
    20% Mobile App Development +2
    15% UX/UI Design
    10% Web Design

    Focus Areas

    50% JavaScript
    50% C#

    BSource is a web development company. The agency is in Americana - SP, Brazil. Their team provides Web Development and Custom Software Development.

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  • Noble Scripts Logotype

    Not yet reviewed

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

    Services provided

    35% Web Development
    35% AI Development
    30% E-Commerce Development

    Focus Areas

    100% JavaScript

    Noble Scripts, a web development firm, specializes in Web Development and Artificial Intelligence. The company is based in Yerevan, Armenia.

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  • sm32 STUDIO Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Żywiec, Poland

    Services provided

    35% Web Development
    35% Mobile App Development
    30% Graphic Design

    Focus Areas

    50% JavaScript
    50% PHP

    Web development firm sm32 STUDIO is based in Żywiec, Poland. They focus on Web Development and Mobile App Development and were founded in 2008.

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  • HUTKO Logotype

    HUTKO

    Not yet reviewed

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

    Services provided

    35% Web Development
    10% Custom Software Development
    10% E-Commerce Development +5
    10% Low/No Code Development
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design
    5% API Development

    Focus Areas

    50% JavaScript
    20% PHP
    20% Typescript +1
    10% HTML5

    Established in 2014, HUTKO is a web development firm. The team specializes in Web Development and Custom Software Development and is in New York, New York.

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  • Codeptive Logotype

    Not yet reviewed

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

    Services provided

    50% Web Development
    50% Custom Software Development

    Focus Areas

    35% JavaScript
    35% Typescript
    30% HTML5

    Codeptive is an Ahmedabad, India-based custom software development company and web development firm. Established in 2024, the team focuses on Custom Software Development and Web Development.

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  • The Designs Empire Logotype

    Not yet reviewed

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

    Services provided

    35% Web Development
    35% Web Design
    15% Custom Software Development +1
    15% Mobile App Development

    Focus Areas

    50% JavaScript
    50% Java

    Established in 2009, The Designs Empire is a web design agency. The team offers Web Design and Web Development and is headquartered in Altamonte Springs, Florida.

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  • mgn Co.,Ltd Logotype

    mgn Co.,Ltd

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    10 - 49

    Services provided

    35% Web Development
    20% IT Managed Services
    20% IT Strategy Consulting +2
    20% Web Design
    5% Translation

    Focus Areas

    75% JavaScript
    25% jquery

    Mgn Co.,Ltd is a website development company. Located in Shinjuku City, Japan, the company focuses on Web Development and IT managed services.

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  • Alfobit Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    19% Low/No Code Development
    15% Pay Per Click +13
    10% Custom Software Development
    5% Affiliate Marketing
    5% E-Commerce Development
    5% Mobile & App Marketing
    5% Mobile App Development
    5% Social Media Marketing
    5% UX/UI Design
    2% Email Marketing
    2% Graphic Design
    2% Other Application Development
    2% Product Design
    2% Search Engine Optimization
    1% Web Design

    Focus Areas

    43% JavaScript
    16% Redux
    11% Python +6
    5% AJAX
    5% PHP
    5% SQL
    5% Swift
    5% Typescript
    5% XML

    Alfobit is a website development company established in 2016. Their team provides Web Development and Pay Per Click.

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  • The Hashtag Digital Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +3
    20% Wearable App Development
    10% AR/VR Development
    10% Custom Software Development

    Focus Areas

    11% JavaScript
    12% AJAX
    11% PHP +6
    11% Python
    11% Redux
    11% Ruby
    11% SQL
    11% Swift
    11% Visual Basic

    The Hashtag Digital is an e-commerce development company. Launched in 2019, the company is based in Karachi, Pakistan. Their team offers E-Commerce Development and Mobile App Development.

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  • DevelopersIQ Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% CRM Consulting and SI
    10% Cloud Consulting & SI +7
    10% Content Writing Services
    10% E-Commerce Development
    10% ERP Consulting and SI
    10% Mobile App Development
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    25% JavaScript
    30% PHP
    10% HTML5 +5
    10% Java
    10% Typescript
    5% Kotlin
    5% Other programming & scripting languages
    5% Python

    DevelopersIQ is a SEO services firm located in Noida, India. They provide Search Engine Optimization and Web Design and were established in 2015.

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  • Zemingo Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    50 - 249
    Herzliya, Israel

    Services provided

    20% Web Development
    30% Mobile App Development
    30% UX/UI Design +1
    20% IoT Development

    Focus Areas

    20% JavaScript
    30% Kotlin
    30% Swift +1
    20% Java

    Zemingo is a midsize user experience design agency established in 2008. Their team specializes in UX/UI Design and Mobile App Development.

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  • ClaySys Technologies Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    50 - 249
    Cincinnati, OH

    Services provided

    20% Web Development
    30% Custom Software Development
    30% IT Strategy Consulting +1
    20% Mobile App Development

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% PHP +2
    20% Python
    20% SQL

    ClaySys Technologies is a custom software development firm located in Cincinnati, Ohio. They focus on Custom Software Development and IT strategy consulting and were established in 2009.

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  • ashleyidesign Logotype

    ashleyidesign

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    Freelancer

    Services provided

    30% Web Development
    25% Digital Strategy
    25% Email Marketing +1
    20% Web Design

    Focus Areas

    100% JavaScript

    Ashleyidesign is a website development firm. Located in Salem, Massachusetts, their team offers Web Development and Digital Strategy.

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  • Expert Web Designing Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    10% E-Commerce Development
    10% IT Managed Services +9
    10% Mobile App Development
    10% Search Engine Optimization
    10% Web Design
    5% Affiliate Marketing
    5% Graphic Design
    5% IT Strategy Consulting
    5% Pay Per Click
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    20% PHP
    10% ASP.NET +5
    10% C
    10% C++
    10% Java
    10% Python
    10% SQL

    Expert Web Designing is a web development firm. The midsize Ahmedabad, India-based team provides Web Development and E-Commerce Development. The agency was founded in 2010.

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  • Prolific Digital Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9
    Covent Garden, London, England

    Services provided

    20% Web Development
    20% Search Engine Optimization
    20% Social Media Marketing +4
    20% Web Design
    7% Graphic Design
    7% UX/UI Design
    6% Logo

    Focus Areas

    20% JavaScript
    30% PHP
    20% SQL +3
    10% C
    10% Java
    10% Python

    Prolific Digital is a SEO agency. Headquartered in Covent Garden, London, England, their team offers Search Engine Optimization and Social Media Marketing.

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  • The Digital Ambassador Logotype

    The Digital Ambassador

    Not yet reviewed

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

    Services provided

    80% Web Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    30% JavaScript
    70% PHP

    The Digital Ambassador is a small web development company based in Auckland, New Zealand. Their services include Web Development and UX/UI Design.

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  • Webista Infotech Pvt Ltd Logotype

    Not yet reviewed

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

    Services provided

    30% Web Development
    20% Search Engine Optimization
    20% Web Design +3
    10% Branding
    10% Digital Strategy
    10% Mobile App Development

    Focus Areas

    30% JavaScript
    30% PHP
    10% AJAX +3
    10% Python
    10% SQL
    10% Visual Basic

    Webista Infotech Pvt Ltd, a website development firm, was founded in 2022. The team offers Web Development and Search Engine Optimization and is in Jashpur Nagar, India.

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  • Creativo code Logotype

    Not yet reviewed

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

    Services provided

    35% Web Development
    15% UX/UI Design
    10% E-Commerce Development +4
    10% Graphic Design
    10% Low/No Code Development
    10% Mobile App Development
    10% Other Design

    Focus Areas

    25% JavaScript
    15% Typescript
    10% PHP +9
    10% SQL
    5% AJAX
    5% ASP.NET
    5% Go
    5% HTML5
    5% Python
    5% Ruby
    5% XML
    5% jquery

    Creativo code is a website development company. Established in 2022, the firm is in Colombo, Sri Lanka. Their team specializes in Web Development and UX/UI Design.

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    $1,700 Landing page with basic animations. $2,800 Landing page with advance animations. $5,000 Muti-page website with advance animations.

    Creative frontend development

    At our Creativo Code, we specialize in crafting custom and no-code websites with unique animations and effects. Our goal is to build highly creative landing pages that not only help brands stand out but also tell their unique stories to the world in an engaging and innovative manner.
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  • Pixout Logotype

    Not yet reviewed

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

    Services provided

    30% Web Development
    30% IoT Development
    20% Application Testing +2
    10% Application Management & Support
    10% Custom Software Development

    Focus Areas

    25% JavaScript
    30% C++
    25% Go +3
    10% PHP
    5% Other programming & scripting languages
    5% SQL

    Pixout, an IoT development company, was founded in 2013. They specializes in IoT development and Web Development.

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  • Avenkara Co., Ltd. Logotype

    Not yet reviewed

    $10,000+
    Undisclosed
    2 - 9
    Bangkok, Thailand

    Services provided

    10% Web Development
    30% AI Consulting
    25% AI Development +2
    20% Generative AI
    15% Custom Software Development

    Focus Areas

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

    Avenkara Co., Ltd. Is a small AI Consulting company. They focus on AI Consulting and Artificial Intelligence and were established in 2025.

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  • Branded Pixel Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    25% JavaScript
    25% HTML5
    25% Other programming & scripting languages +1
    25% jquery

    Founded in 2000, Branded Pixel, a small SEO company, is located in Nunn, Colorado. Their services include Search Engine Optimization and Web Design.

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  • manystack Logotype

    manystack

    Not yet reviewed

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

    Services provided

    33% Web Development
    34% Custom Software Development
    33% Mobile App Development

    Focus Areas

    30% JavaScript
    30% PHP
    30% SQL +1
    10% Redux

    Manystack, a custom software development firm, focuses on Custom Software Development and Web Development. The company is headquartered in.

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  • Knockout Software Logotype

    Knockout Software

    Not yet reviewed

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

    Services provided

    30% Web Development
    40% Custom Software Development
    30% Mobile App Development

    Focus Areas

    33% JavaScript
    34% C#
    33% ASP.NET

    Custom software development firm Knockout Software specializes in Custom Software Development and Mobile App Development. They are in Cambridge, England.

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  • StoryWorks Studio Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% UX/UI Design
    20% Web Design +5
    10% AR/VR Development
    10% Content Marketing
    10% Low/No Code Development
    5% Ecommerce Marketing
    5% Other Digital Marketing

    Focus Areas

    39% JavaScript
    17% Python
    17% Ruby +2
    16% PHP
    11% ASP.NET

    StoryWorks Studio is a web design company launched in 2019. The team focuses on Web Design and UX/UI Design and is in Helsinki, Finland.

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  • ADA Site Compliance Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    10 - 49
    Lake Worth, FL

    Services provided

    10% Web Development
    20% Business Consulting
    20% Web Design +5
    10% Application Testing
    10% Corporate Training & Coaching
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Transcription

    Focus Areas

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

    ADA Site Compliance is a web design company established in 2017. The agency offers Web Design and Business Consulting, and is small.

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  • Pixeio Logotype

    5.0 1 review
    Undisclosed
    $25 - $49 / hr
    50 - 249
    Chicago, IL

    Services provided

    25% Web Development
    25% E-Commerce Development
    25% Mobile App Development +2
    15% Custom Software Development
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    15% PHP
    12% Swift +11
    10% Ruby
    8% Objective C
    6% Java
    5% Kotlin
    5% Python
    5% SQL
    4% Go
    3% AJAX
    3% C++
    2% ASP
    2% ASP.NET

    Pixeio offers a comprehensive range of technological solutions, including Website Development, Web Design, and mobile and software development. The overall feedback highlights Pixeio's ability to deliver tailored, high-quality solutions that increase engagement and conversion rates while ensuring affordability and seamless collaboration. Clients value their responsiveness and flexibility, although suggestions for more detailed progress reports were noted.

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  • Optimal Arc Web Development Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    Freelancer
    Nelson, Canada

    Services provided

    40% Web Development
    40% Web Design
    10% Search Engine Optimization +2
    5% Digital Strategy
    5% Email Marketing

    Focus Areas

    50% JavaScript
    50% PHP

    Optimal Arc Web Development is a web design company based in Nelson, Canada. They provide Web Design and Web Development.

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  • Out of business Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    None, PA

    Services provided

    50% Web Development
    50% E-Commerce Development

    Focus Areas

    40% JavaScript
    50% PHP
    10% Other programming & scripting languages

    Out of business, a website development firm and e-commerce development firm, was founded in 2019. The team focuses on Web Development and E-Commerce Development.

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  • Revolt Media Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    Freelancer
    Reno, NV

    Services provided

    75% Web Development
    10% Custom Software Development
    10% Mobile App Development +1
    5% E-Commerce Development

    Focus Areas

    40% JavaScript
    60% PHP

    Revolt Media, a web development firm, provide Web Development and Custom Software Development. They were founded in 2001.

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  • Lab9 Digital Agency Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    50 - 249
    San Miguel de Tucumán, Argentina

    Services provided

    20% Web Development
    30% Custom Software Development
    10% AI Consulting +4
    10% AI Development
    10% E-Commerce Development
    10% Generative AI
    10% UX/UI Design

    Focus Areas

    25% JavaScript
    25% C#
    10% Python +5
    10% Redux
    10% SQL
    10% Typescript
    5% PHP
    5% XML

    Lab9 Digital Agency is a midsize software development firm established in 2017. Their team specializes in Custom Software Development and Web Development.

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  • EXPANDYA Logotype

    EXPANDYA

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249

    Services provided

    15% Web Development
    25% E-Commerce Development
    20% Other Application Development +4
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% Low/No Code Development
    10% UX/UI Design

    Focus Areas

    30% JavaScript
    40% Other programming & scripting languages
    30% PHP

    Launched in 2010, EXPANDYA is a midsize Fairfield, Connecticut-based web development company. Their team focuses on Web Development and E-Commerce Development.

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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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List of the Top JavaScript Development Companies

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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