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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: May 18, 2026
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15 Leaders 15 Contenders

22,057 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Featured

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    Digis, a Fiverr company (NYSE: FVRR) Logotype

    Digis, a Fiverr company (NYSE: FVRR)

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

    Services provided

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

    Focus Areas

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

    Digis, a Fiverr company (NYSE: FVRR), is a web development firm specializing in full-stack and custom website development. Reviews consistently highlight their exceptional project management, technical expertise, and strong communication skills. Approximately 90% of reviewers commend their proactive and reliable service, resulting in improved project delivery times and increased user satisfaction across various web applications.

    See all 89 projects
    3 of 3 reviews are 5 stars
    2 new reviews for Web Development services
    $10,000 – $49,000 avg. project cost

    Reviewed 3 times in the past 6 months

    In the last six months, clients have expressed high satisfaction with Digis, a Fiverr company (NYSE: FVRR), highlighting their impressive responsiveness and quality of development. For instance, one client noted a 40% reduction in project delivery times and significant improvements in site performance. Another mentioned their ability to quickly scale resources to meet project demands. Overall, the sentiment is overwhelmingly positive, with clients appreciating the team's integration and collaborative approach, leaving little room for improvement.
    Read 3 Recent Reviews
    6 of 6 JavaScript reviews are 5 stars
    1 new review for JavaScript in past 6 months
    $10,000 – $49,000 avg. project cost

    JavaScript Experience

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

    Read Most Recent Review
    17 of 23 Web Development reviews are 5 stars
    2 new reviews for Web Development in past 6 months
    $50,000 – $199,999 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Hosting Platform Development for Advertising & Marketing Co

    4.5 — Digis developed an automated hosting platform with cPanel integration, email automation, and GitHub automation for an advertising and marketing company. Read more
    Read 23 Reviews

    Industry Experience

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

    Read All Reviews

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

    Crackerjack Scribe

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    20% Web Development
    20% Digital Strategy
    20% Email Marketing +2
    20% Search Engine Optimization
    20% Social Media Marketing

    Focus Areas

    50% JavaScript
    50% PHP

    Crackerjack Scribe is a Digital Strategy company. They provide Digital Strategy and Email Marketing and were established in 2011. The agency is based in Los Angeles, California.

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  • Estudio BL Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Rosario, Argentina

    Services provided

    20% Web Development
    15% Branding
    15% Email Marketing +4
    15% Mobile App Development
    15% Web Design
    10% Graphic Design
    10% Social Media Marketing

    Focus Areas

    50% JavaScript
    50% PHP

    Estudio BL is a website development company headquartered in Rosario, Argentina. The team offers Web Development and Branding.

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  • Netplanet Web Development Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Amsterdam, Netherlands

    Services provided

    40% Web Development
    20% Marketing Strategy
    20% Web Design +2
    10% Event Management
    10% Public Relations

    Focus Areas

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

    Netplanet Web Development is a web development company. The firm is located in Amsterdam, Netherlands. Their team focuses on Web Development and Marketing Strategy.

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  • Digital District Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    București, Romania

    Services provided

    20% Web Development
    20% Digital Strategy
    20% Mobile App Development +2
    20% Social Media Marketing
    20% UX/UI Design

    Focus Areas

    100% JavaScript

    Digital District, an user experience design company, was founded in 2017. The firm specializes in UX/UI Design and Digital Strategy, and is small.

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  • Adelphoi Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    McKinney, TX

    Services provided

    20% Web Development
    20% Advertising
    20% Branding +2
    20% Search Engine Optimization
    20% Social Media Marketing

    Focus Areas

    50% JavaScript
    50% PHP

    Adelphoi is an Advertising company based in McKinney, Texas. Their services include Advertising and Branding.

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  • Centrade | Cheil Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    București, Romania

    Services provided

    20% Web Development
    20% Digital Strategy
    20% Mobile App Development +3
    20% Web Design
    10% Event Management
    10% Public Relations

    Focus Areas

    50% JavaScript
    50% PHP

    Centrade | Cheil is a Digital Strategy company launched in 2017. The small team focuses on Digital Strategy and Mobile App Development.

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  • Agencia JMC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    San Juan de Miraflores, Peru

    Services provided

    20% Web Development
    20% Digital Strategy
    20% Direct Marketing +2
    20% E-Commerce Development
    20% Social Media Marketing

    Focus Areas

    100% JavaScript

    Digital Strategy company Agencia JMC is in San Juan de Miraflores, Peru. Launched in 2015, the team offers Digital Strategy and E-Commerce Development.

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  • Mermelon Design Logotype

    Mermelon Design

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    35% Web Development
    35% Search Engine Optimization
    30% Logo

    Focus Areas

    35% JavaScript
    20% PHP
    15% ASP.NET +2
    15% Java
    15% Python

    SEO company Mermelon Design was established in 2016. The company provides Search Engine Optimization and Web Development.

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  • Pixel Brew Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Longmont, CO

    Services provided

    20% Web Development
    20% Pay Per Click
    20% Search Engine Optimization +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

    50% JavaScript
    50% PHP

    Pixel Brew is an user experience design company established in 2018. The company offers UX/UI Design and Pay Per Click.

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  • DreamLab Kft. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Budapest, Hungary

    Services provided

    20% Web Development
    20% Logo
    20% Packaging Design +2
    20% Search Engine Optimization
    20% UX/UI Design

    Focus Areas

    50% JavaScript
    50% PHP

    User experience agency DreamLab Kft. Is headquartered in Budapest, Hungary. They specialize in UX/UI Design and Logo.

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  • C. A. Web Design, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Los Alamitos, CA

    Services provided

    20% Web Development
    20% Search Engine Optimization
    20% Web Design +4
    10% Email Marketing
    10% Logo
    10% Print Design
    10% Social Media Marketing

    Focus Areas

    100% JavaScript

    C. A. Web Design, Inc. Is a SEO agency. The Los Alamitos, California-based team provides Search Engine Optimization and Web Design.

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  • Professional Web Solutions Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Baldivis, Australia

    Services provided

    20% Web Development
    20% Cloud Consulting & SI
    20% Custom Software Development +2
    20% Mobile App Development
    20% Web Design

    Focus Areas

    100% JavaScript

    Professional Web Solutions is a software development firm launched in 2015. In Baldivis, Australia, the team provides Custom Software Development and cloud consulting & SI.

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  • Web Extra Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Wattle Grove, Australia

    Services provided

    20% Web Development
    15% Email Marketing
    15% Mobile App Development +4
    15% Search Engine Optimization
    15% Social Media Marketing
    10% Graphic Design
    10% Web Design

    Focus Areas

    50% JavaScript
    50% PHP

    Web Extra is a website development company. They were established in 2012, and their services include Web Development and Email Marketing.

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  • Markit Media Group LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Scottsdale, AZ

    Services provided

    20% Web Development
    20% Advertising
    20% Graphic Design +2
    20% Print Design
    20% Web Design

    Focus Areas

    100% JavaScript

    Markit Media Group LLC is an Advertising company. The team specializes in Advertising and Graphic Design, and the firm is in Scottsdale, Arizona.

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  • Virtuabit Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Zagreb, Croatia

    Services provided

    50% Web Development
    50% Advertising

    Focus Areas

    20% JavaScript
    20% Java
    20% PHP +2
    20% SQL
    20% Swift

    Virtuabit is an Advertising and website development company. They are in Zagreb, Croatia. Their team focuses on Advertising and Web Development.

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  • Neo Search Logix Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Lucknow, India

    Services provided

    30% Web Development
    30% Search Engine Optimization
    20% Mobile App Development +1
    20% Social Media Marketing

    Focus Areas

    40% JavaScript
    40% PHP
    20% Python

    Neo Search Logix is a small SEO company located in Lucknow, India. Their services include Search Engine Optimization and Web Development.

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  • Web Horsepower Logotype

    Web Horsepower

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    40% Web Development
    30% Search Engine Optimization
    30% Social Media Marketing

    Focus Areas

    30% JavaScript
    30% PHP
    20% AJAX +1
    20% Python

    Founded in 2014, Web Horsepower, a small web development firm, is headquartered in Plano, Texas. Their team specializes in Web Development and Search Engine Optimization.

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  • Remote Cloud Consulting, Inc. Logotype

    Remote Cloud Consulting, Inc.

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AI Development
    20% API Development +2
    20% Cloud Consulting & SI
    20% Mobile App Development

    Focus Areas

    100% JavaScript

    Remote Cloud Consulting, Inc., a cloud consulting & SI company, was founded in 2020. The team specializes in cloud consulting & SI and Web Development and is in.

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  • Govatron LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    McLean, VA

    Services provided

    20% Web Development
    20% BI & Big Data Consulting & SI
    20% Commercial Property Management +3
    20% UX/UI Design
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    50% JavaScript
    50% Python

    Govatron LLC is a web design company. Founded in 2015, the company focuses on Web Design and UX/UI Design.

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  • Icecream Cloud Software UG Logotype

    Icecream Cloud Software UG

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +3
    20% Product Design
    10% Cloud Consulting & SI
    10% UX/UI Design

    Focus Areas

    100% JavaScript

    Icecream Cloud Software UG is a Product Design company. They are in Darmstadt, Germany and have small team. Their team offers Product Design and Custom Software Development.

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  • Relyon Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Florence, AZ

    Services provided

    20% Web Development
    20% Web Design
    15% Email Marketing +3
    15% Pay Per Click
    15% Search Engine Optimization
    15% Social Media Marketing

    Focus Areas

    50% JavaScript
    50% PHP

    Relyon, a web design company, is in Florence, Arizona. The team offers Web Design and Web Development.

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  • Fox Web Wizardz Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Barrackpore, India

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +2
    20% Pay Per Click
    20% Search Engine Optimization

    Focus Areas

    50% JavaScript
    50% HTML5

    SEO services firm Fox Web Wizardz was founded in 2009. The team offers Search Engine Optimization and Pay Per Click and is headquartered in Barrackpore, India.

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  • Brunos Digital Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Istanbul, Türkiye

    Services provided

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

    Focus Areas

    100% JavaScript

    Brunos Digital is a web design company. The Istanbul, Türkiye-based agency specializes in Web Design and Web Development.

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  • Bettertech Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Jeddah, Saudi Arabia

    Services provided

    20% Web Development
    20% Business Consulting
    20% Digital Strategy +2
    20% E-Commerce Development
    20% Mobile App Development

    Focus Areas

    50% JavaScript
    50% HTML5

    Bettertech is a Digital Strategy company. They are headquartered in Jeddah, Saudi Arabia and have small team. They specialize in Digital Strategy and Web Development.

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  • okto—consulting Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Bratislava, Slovakia

    Services provided

    20% Web Development
    20% Cybersecurity
    20% Mobile App Development +3
    20% UX/UI Design
    10% AR/VR Development
    10% Compliance Consulting

    Focus Areas

    100% JavaScript

    Okto—consulting is an UX agency. Headquartered in Bratislava, Slovakia, the agency was established in 2022. Their team provides UX/UI Design and Cybersecurity.

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  • Superklok Labs Logotype

    Superklok Labs

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    20% Web Development
    40% Audio Production
    20% Video Production +1
    20% Web Design

    Focus Areas

    100% JavaScript

    Audio Production company Superklok Labs was launched in 2008. The team offers Audio Production and Web Design.

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  • Frio.sk Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Trencin, Slovakia

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +3
    20% Web Design
    10% Ecommerce Marketing
    10% Mobile & App Marketing

    Focus Areas

    50% JavaScript
    50% PHP

    Frio.sk is a web design agency. Founded in 2009, their team specializes in Web Design and Web Development.

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  • Sand Key Ventures Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Clearwater, FL

    Services provided

    20% Web Development
    20% Corporate Photography
    20% Search Engine Optimization +4
    10% Graphic Design
    10% Pay Per Click
    10% Public Relations
    10% Video Production

    Focus Areas

    100% JavaScript

    Sand Key Ventures is a SEO company. The small Clearwater, Florida-based team offers Search Engine Optimization and Corporate Photography. The agency was launched in 2019.

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  • Datericorp Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Tamarac, FL

    Services provided

    20% Web Development
    20% Search Engine Optimization
    10% Accounting +5
    10% CRM Consulting and SI
    10% Custom Software Development
    10% E-Commerce Development
    10% Pay Per Click
    10% UX/UI Design

    Focus Areas

    50% JavaScript
    50% SQL

    Datericorp is a SEO agency founded in 2012. In Tamarac, Florida, the team specializes in Search Engine Optimization and Web Development.

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  • Spectra International, LLC Logotype

    Spectra International, LLC

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    20% Web Development
    20% Search Engine Optimization
    20% Web Design +4
    10% Content Marketing
    10% Content Writing Services
    10% E-Commerce Development
    10% UX/UI Design

    Focus Areas

    50% JavaScript
    50% HTML5

    SEO services firm Spectra International, LLC was established in 2018. The small team offers Search Engine Optimization and Web Design.

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  • First Place Positioning Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    King of Prussia, PA

    Services provided

    20% Web Development
    30% Search Engine Optimization
    20% Pay Per Click +2
    20% Social Media Marketing
    10% Web Design

    Focus Areas

    50% JavaScript
    50% HTML5

    Based in King of Prussia, Pennsylvania, First Place Positioning is a SEO company. Founded in 2001, the team specializes in Search Engine Optimization and Social Media Marketing.

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  • Blazed Labs Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Ocean City, NJ

    Services provided

    100% Web Development

    Focus Areas

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

    Blazed Labs, a website development firm, is headquartered in Ocean City, New Jersey. They provide Web Development.

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  • Netronian Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Miami, FL

    Services provided

    20% Web Development
    20% Mobile App Development
    10% API Development +5
    10% CRM Consulting and SI
    10% Cloud Consulting & SI
    10% Compliance Consulting
    10% E-Commerce Development
    10% ERP Consulting and SI

    Focus Areas

    50% JavaScript
    50% HTML5

    Launched in 2012, Netronian Inc. Is a website development firm. Located in Miami, Florida and New York, New York, the team specializes in Web Development and Mobile App Development.

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  • &yet Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Richland, WA

    Services provided

    20% Web Development
    20% Branding
    20% Mobile App Development +3
    20% UX/UI Design
    10% Content Marketing
    10% Content Writing Services

    Focus Areas

    50% JavaScript
    50% HTML5

    &yet is a small Richland, Washington-based branding firm. Their services include Branding and UX/UI Design.

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  • Do Agency Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Roma, Italy

    Services provided

    20% Web Development
    20% Blockchain
    10% Blockchain Marketing +5
    10% Cloud Consulting & SI
    10% E-Commerce Development
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization

    Focus Areas

    50% JavaScript
    50% HTML5

    Web development company Do Agency was founded in 2016. The team specializes in Web Development and Blockchain.

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  • Precision Algorithm Logotype

    Precision Algorithm

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    60% Web Development
    20% BI & Big Data Consulting & SI
    20% UX/UI Design

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Java +2
    20% Python
    20% SQL

    Precision Algorithm is a small website development firm based in Stamford, Connecticut. The team provides Web Development and UX/UI Design.

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  • Paragram, LLC. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Tallmadge, OH

    Services provided

    20% Web Development
    20% Search Engine Optimization
    20% Web Design +4
    10% Conversion Optimization
    10% Graphic Design
    10% UX/UI Design
    10% Video Production

    Focus Areas

    100% JavaScript

    Paragram, LLC. Is a Tallmadge, Ohio-based SEO company. They focus on Search Engine Optimization and Web Design.

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  • Boston Web Designers Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Boston, MA

    Services provided

    100% Web Development

    Focus Areas

    20% JavaScript
    20% C
    20% C# +2
    20% C++
    20% HTML5

    Boston Web Designers is a web development firm. The Boston, Massachusetts-based firm focuses on Web Development.

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  • Cup O Code Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Northumberland, PA

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Graphic Design +2
    20% Social Media Marketing
    20% Web Design

    Focus Areas

    50% JavaScript
    50% PHP

    Cup O Code is a social media marketing firm. Their team is in Northumberland, Pennsylvania. The company offers Social Media Marketing and Web Design.

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  • Screenlink Technologies Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Oshawa, Canada

    Services provided

    20% Web Development
    20% Branding
    20% Digital Strategy +2
    20% Logo
    20% Mobile App Development

    Focus Areas

    100% JavaScript

    Launched in 2023, Screenlink Technologies is a small branding firm. Their services include Branding and Digital Strategy.

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  • Taliferro Group Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Seattle, WA

    Services provided

    20% Web Development
    20% AI Development
    20% API Development +2
    20% Cloud Consulting & SI
    20% E-Commerce Development

    Focus Areas

    50% JavaScript
    50% Typescript

    Taliferro Group is a cloud consulting & SI company. The Seattle, Washington-based firm was established in 2020. Their services include cloud consulting & SI and Web Development.

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  • Weblabor Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Mérida, Mexico

    Services provided

    20% Web Development
    20% Conversion Optimization
    20% Custom Software Development +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

    50% JavaScript
    50% PHP

    Weblabor is a Conversion Optimization company. Located in Mérida, Mexico, their small team provides Conversion Optimization and Web Design. The company was launched in 2015.

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  • Zumi Studio Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Sargodha, Pakistan

    Services provided

    20% Web Development
    20% Branding
    20% Graphic Design +2
    20% Mobile App Development
    20% Video Production

    Focus Areas

    50% JavaScript
    50% HTML5

    Established in 2022, Zumi Studio is a small branding company based in Sargodha, Pakistan. Their team offers Branding and Graphic Design.

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  • Black Widow Tech Logotype

    4.9 40 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Austin, TX

    Services provided

    10% Web Development
    30% Mobile App Development
    20% AI Development +4
    10% AI Consulting
    10% Generative AI
    10% Low/No Code Development
    10% UX/UI Design

    Focus Areas

    50% JavaScript
    20% Python
    10% Kotlin +2
    10% Objective C
    10% Swift

    Black Widow Tech is a versatile web and application development company specializing in services such as Website Development, Web Programming, and Full-Stack Web Development. Across numerous reviews, clients commend their communication, punctuality, and ability to understand and implement complex project requirements. Approximately 90% of reviews highlight their strong project management and the personal touch they bring to collaborations.

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    Reviews mention Collaborative

    The reviews indicate a strong sentiment of collaboration with Black Widow Tech. Clients appreciated the team's flexibility and responsiveness, with feedback highlighting the value of regular communication and iterative processes. One client noted, "Tahir has brought so many things to the table that I didn't even know we were capable of," emphasizing the collaborative partnership. Another mentioned, "It felt like we were all on the same team," showcasing a unified approach to project development. Overall, clients expressed satisfaction with the collaborative nature of their engagements.
    • Mobile App Design & Dev for Entertainment Production Co
      5.0 Sep 15, 2025

      Meet with Tahir as quickly as possible. He was kind enough to come meet me in Austin, and he saw my vision of the company. In doing so, it completely changed the direction of the project because I got a collaborative partner. If I can figure out how to get everyone in the room on the same page about my vision, then that can grow exponentially. Tahir has brought so many things to the table that I didn't even know we were capable of.

      Read Full Review
    Read All Reviews
    1 of 1 reviews is 5 stars
    $10,000 – $49,000 avg. project cost

    Reviewed 1 time in the past 6 months

    In recent reviews, clients have praised Black Widow Tech for their exceptional communication and project management. One client highlighted the significant contributions of engineer Fernando, who transformed initial ideas into a highly enriched mobile app, stating he is a 'Superstar.' While some checkpoints experienced slight delays, the overall sentiment remains overwhelmingly positive, with clients noting that expectations were consistently exceeded, and no areas for improvement were identified.
    Read 1 Recent Review

    Average Project Cost Breakdown

    $10,000 to $49,000 (22) Less than $10,000 (6) $50,000 to $199,999 (6) $200,000 to $999,999 (1)

    What Clients Have Said

    Clients consistently express satisfaction with Black Widow Tech's cost-effectiveness and value for money, noting that they deliver high-quality work within budget. One client stated, "Black Widow Tech's work quality exceeds our minimum needs," while another remarked on their transparency and commitment to staying on budget. Several clients highlighted that the team's flexibility and responsiveness to evolving project scopes further enhance the overall value of their services, with one emphasizing that their investment has yielded significant returns.
    Read All Reviews

    View projects from:

    United States (35) Georgia (1) Ireland (1) Rwanda (1)
    View Profile
  • Horizon Labs Logotype

    5.0 9 reviews
    $5,000+
    $100 - $149 / hr
    10 - 49
    Irvine, CA

    Services provided

    30% Web Development
    20% AI Development
    20% Custom Software Development +3
    10% IT Staff Augmentation
    10% Low/No Code Development
    10% Mobile App Development

    Focus Areas

    30% JavaScript
    20% Python
    10% C# +4
    10% PHP
    10% SQL
    10% Swift
    10% Typescript

    Horizon Labs is a web development company specializing in custom website development and online marketplace platforms. Their expertise spans full-stack web development, web application development, and front-end and back-end development. Reviews indicate a 100% positive feedback rate, highlighting their strong project management, timely delivery, and exceptional communication. Clients appreciate their responsiveness, technical expertise, and ability to deliver tailored solutions efficiently.

    See all 9 projects

    Reviews mention Timely

    Overall, client feedback regarding Horizon Labs highlights their strong commitment to timely project delivery. Multiple clients praised the company's ability to meet deadlines effectively, with one noting, "They absolutely nailed it, getting everything done on time and without busting the budget." Another client emphasized, "Timely responses, going above and beyond to align with your needs and prompt delivery." This consistent sentiment underscores Horizon Labs' reliability in project management and communication.
    • MVP, Mobile & Web App Dev for Event Mgmt Software Company
      5.0 Aug 12, 2024

      On-time delivery and excellent communication to keep me informed on each step of the project.

      Read Full Review
    • Cloud Deployment Pipleing & DevOps for Software Dev Co
      5.0 Oct 24, 2023

      They absolutely nailed it, getting everything done on time and without busting the budget. Seriously, their game was on point! They kept things smooth throughout.

      Read Full Review
    • Online Marketplace Development & Design for Healthcare Co
      5.0 May 1, 2024

      Horizon Labs delivered within a reasonable timeframe and within the planned scope. Their project management ensured that items were delivered on time. This timely delivery was complemented by a responsive team.

      Read Full Review
    • Custom Software Development for AI Agents Company
      5.0 Aug 23, 2024

      Horizon Labs provided a strong communication and project management through standup meetings every day or every other day and updates through Slack. Very strong engineering velocity with strong communication helped us to deliver our projects on time.

      Read Full Review
    • Custom Web Dev for Peer-to-Peer Art & Decoration Marketplace
      5.0 Apr 6, 2026

      Timely responses, going above and beyond to align with your needs and prompt delivery.

      Read Full Review
    Read All Reviews
    1 of 1 JavaScript reviews is 5 stars
    1 new review for JavaScript in past 6 months
    Unknown avg. project cost

    JavaScript Experience

    Horizon Labs has received overwhelmingly positive feedback for their JavaScript services, with clients praising their expertise in custom software development and effective project management. 100% of reviewers acknowledged their strong communication and commitment to project success. Areas of impact include personalized feature development and enhanced user functionalities, contributing to ongoing onboarding and transaction improvements. Clients express satisfaction with the team's personable approach and responsiveness, indicating a strong fit for complex development needs.

    Read Most Recent Review
    7 of 7 Web Development reviews are 5 stars
    3 new reviews for Web Development in past 6 months
    $50,000 – $199,999 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Custom Software Development for AI Agents Company

    5.0 — Horizon Labs has been hired by an AI agents company to assist in the development process for Voice AI applications. The team provides engineering support and handles API development and Cloud Run Read more
    Read 7 Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (2) $50,000 to $199,999 (1)

    What Clients Have Said

    Clients consistently highlight Horizon Labs' competitive pricing and excellent value for money. One client noted that the pricing 'fit our budget' and described their services as 'good value for cost.' Another emphasized that they delivered 'everything on time and without busting the budget.' Overall, the sentiment is overwhelmingly positive, with multiple clients expressing satisfaction with the quality of work relative to the costs incurred.
    Read All Reviews
    View Profile
  • Voidweb Logotype

    4.9 8 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Plovdiv, Bulgaria

    Services provided

    10% Web Development
    35% IT Staff Augmentation
    25% Custom Software Development +3
    10% Mobile App Development
    10% Other IT Consulting and SI
    10% UX/UI Design

    Focus Areas

    60% JavaScript
    20% Other programming & scripting languages
    20% PHP

    Voidweb is a web development company excelling in custom website development and web application development. With 100% positive feedback, clients praise their seamless integration into teams, technical expertise, and reliable project management. While they could improve documentation, their proactive approach and ability to handle complex tasks effectively are consistently highlighted by clients.

    See all 8 projects
    2 of 3 Web Development reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Platform Dev & UI/UX Design for Digital Solutions Company

    5.0 — Voidweb developed a well-being platform for a digital solutions company. The team created the web admin portal, mobile API backend, audio content delivery system, and UI/UX design. They provided QA Read more
    Read 3 Reviews

    Industry Experience

    Voidweb has demonstrated expertise across multiple industries, including fintech, eCommerce, education, financial services, legal, and information technology. Clients praised their project management, responsiveness, and ability to integrate seamlessly into teams, which fostered a collaborative environment. Overall sentiment is highly positive, particularly noted for their technical skills, user-centric design, and value-driven approach, making them a suitable partner for projects within the fintech, eCommerce, and education sectors.

    Read All Reviews

    Select Industry to see insights

    Business services eCommerce Education Financial services Research Legal Information technology

    Average Project Cost Breakdown

    $10,000 to $49,000 (2) Less than $10,000 (1) $200,000 to $999,999 (1)

    What Clients Have Said

    Clients consistently highlight Voidweb's exceptional value for money, with many noting that their pricing aligns well with the quality of service provided. For instance, one client appreciated the 'good value for cost' and another mentioned they were 'satisfied' despite the services being 'not cheap.' Overall, the sentiment reflects a strong belief that the investment in Voidweb leads to significant benefits, including timely delivery and effective communication, reinforcing the perception of high value.
    Read All Reviews

    View projects from:

    Bulgaria (3) Germany (1) Switzerland (1) Isle of Man (1) United States (1)
    View Profile
  • Netgen Logotype

    5.0 17 reviews
    $25,000+
    $50 - $99 / hr
    10 - 49
    Zagreb, Croatia

    Services provided

    30% Web Development
    30% E-Commerce Development
    20% UX/UI Design +1
    20% Web Design

    Focus Areas

    30% JavaScript
    50% PHP
    10% AJAX +1
    10% SQL

    Netgen is a web development company specializing in custom website development, web design, and full-stack web development. With an impressive 100% positive feedback rate, clients consistently commend their expertise, flexibility, and customer-centric approach. Approximately 75% of reviewers emphasize their professionalism and collaborative spirit, making them a preferred partner for comprehensive web solutions.

    See all 17 projects

    Reviews mention Collaborative

    Netgen's collaborative approach received high praise from clients, highlighting their close involvement throughout the project phases. One client noted, "The Netgen team worked very closely with us... special emphasis on the discovery workshops," indicating a strong partnership. Additionally, the client appreciated the continuous communication and transparency, stating, "At no point during the project are we misinformed or kept in the dark." Overall, the sentiment surrounding collaboration is overwhelmingly positive, reflecting a commitment to teamwork and effective communication.
    • Web Development & UX Design for Pharmaceutical Company
      5.0 Jun 20, 2022

      The Netgen team worked very closely with us during all phases of the project, with special emphasis on the discovery workshops that were oriented on defining user personas. The close collaboration continued to the next phases of the project as well, to market and trends research, UX optimization and development. At no point during the project are we misinformed or kept in the dark regarding the project's current progress.

      Read Full Review
    • UI/UX Design & Web Dev for Tax Administration Nonprofit
      5.0 Mar 11, 2025

      As long as we could move within the scope of the changes, they were very flexible in responding to all requests and changes. There were extra cases where we really went completely off the original concept, and even then there were not always extra costs. They had impressive flexibility and adaptability, Customer-Centric Approach, Expertise and Professionalism, and Collaborative Spirit.

      Read Full Review
    Read All Reviews
    8 of 8 Web Development reviews are 5 stars
    2 new reviews for Web Development in past 6 months
    $50,000 – $199,999 avg. project cost

    Web Development PROJECT HIGHLIGHT

    UI/UX Design & Web Dev for Tax Administration Nonprofit

    5.0 — Netgen revamped a website for a tax administration nonprofit, aiming to improve the UX and performance and integrate advanced features. Tasks included requirement gathering, implementation, testing, Read more
    Read 8 Reviews

    Average Project Cost Breakdown

    $50,000 to $199,999 (8) $10,000 to $49,000 (3)

    What Clients Have Said

    Netgen is frequently praised for providing excellent value for money, with clients highlighting their competitive pricing and high-quality deliverables. One client noted, "Good value for cost," while another emphasized that their pricing fit within budget constraints. Overall, feedback reflects a positive sentiment regarding the company's pricing structure, with many stating that the quality of work justifies the investment. Clients appreciate the flexibility in accommodating project scope changes without incurring extra costs.
    Read All Reviews

    View projects from:

    Croatia (9) Norway (2) Austria (1) Denmark (1) Hungary (1)
    View Profile
  • Inverse Paradox Logotype

    5.0 23 reviews
    $5,000+
    $150 - $199 / hr
    10 - 49
    Trevose, PA

    Services provided

    40% Web Development
    40% E-Commerce Development
    10% UX/UI Design +1
    10% Web Design

    Focus Areas

    20% JavaScript
    80% PHP

    Inverse Paradox is a web development company that specializes in custom website development and full-stack web development, with particular proficiency in WordPress. Reviews consistently highlight their professionalism, responsiveness, and ability to understand clients' visions, resulting in successful project outcomes. Notably, 100% of reviewers express satisfaction with their services, appreciating Inverse Paradox's project management and timely delivery. Their commitment to client satisfaction and expertise in web programming make them a recommended choice for website projects.

    See all 23 projects

    Reviews mention Proactive

    Clients consistently praise Inverse Paradox for their proactive approach throughout projects. One client noted, 'Inverse was proactive in making the relationship work,' showcasing their commitment to client success. Another remarked on their quick response during a crisis, stating, 'Inverse Paradox jumped right on it without asking any questions.' Overall, the sentiment reflects satisfaction with their ability to anticipate needs and address challenges effectively, reinforcing their reputation as a dedicated partner.
    • WordPress Web Redesign for IT Consulting Firm
      5.0 Mar 2, 2018

      They were also flexible when it came to unique situations, like us hiring another company for branding. Inverse was proactive in making the relationship work so that we’d feel as little tension as possible. Not many other design firms I’ve worked with would be willing to jump through those hoops.

      Read Full Review
    • Web Redesign and Increased Brand Awareness
      5.0 Jul 5, 2017

      I’m impressed by the fact that Neil is involved in many of the projects and conversations, although he doesn’t necessarily have to be. He makes sure that the team thinks in a proactive way and not just trying to get the projects done and off their plate. It seems that he’s developing and growing with us as a brand, which is nice.

      Read Full Review
    Read All Reviews
    8 of 8 Web Development reviews are 5 stars
    Less than $10,000 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Website Design & Development for Digital Marketing Agency

    5.0 — Inverse Paradox built a website for a digital marketing agency while using the best UX and SEO practices. They also created wireframes and custom tools. The client requested full editing access to Read more
    Read 8 Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (10) Less than $10,000 (6) $50,000 to $199,999 (1) $200,000 to $999,999 (1)

    What Clients Have Said

    Clients consistently express satisfaction with Inverse Paradox's cost-effectiveness and value for money. One client noted that their investment of $40,000-$75,000 resulted in significant time and cost savings due to improved website manageability. Another client highlighted their $15,000 investment, which replaced a $50,000 annual service, showcasing a strong return on investment. Overall, feedback emphasizes the company's ability to deliver high-quality results within budget, making them a reliable choice for web development needs.
    Read All Reviews

    View projects from:

    Philadelphia, Pennsylvania (8) Eagleville, Pennsylvania (1) Wayne, Pennsylvania (1) Cape May, New Jersey (1) Somers Point, New Jersey (1) Blue Bell, Pennsylvania (1) Hopkins, Minnesota (1) Jenkintown, Pennsylvania (1) Quakertown, Pennsylvania (1) Souderton, Pennsylvania (1) Warminster Heights, Pennsylvania (1) Tunkhannock, Pennsylvania (1) Upper Darby, Pennsylvania (1) Southampton, Pennsylvania (1)
    View Profile
  • OPTASY Logotype

    4.8 18 reviews
    $50,000+
    $100 - $149 / hr
    10 - 49
    Oakville, Canada

    Services provided

    60% Web Development
    20% Web Design
    10% Digital Strategy +1
    10% E-Commerce Development

    Focus Areas

    10% JavaScript
    75% PHP
    10% SQL +1
    5% HTML5

    OPTASY is a web development company specializing in Drupal-based projects, offering services like custom website development, front-end and back-end solutions, and web application development. Across reviews, 100% of clients praised their expertise, professionalism, and project management capabilities. They were commended for efficient communication, timely delivery, and responsiveness, with recurring mentions of their ability to handle complex Drupal tasks effectively. Overall, OPTASY has consistently exceeded client expectations in delivering high-quality web solutions.

    See all 18 projects
    0 of 1 JavaScript reviews is 5 stars
    Unknown avg. project cost

    JavaScript Experience

    OPTASY demonstrates strong expertise in JavaScript-related projects, highlighted by positive feedback from 85% of clients. Reviewers consistently commend the team's technical proficiency and ability to deliver solutions promptly, contributing to project success. Notable strengths include scalability of resources and high skill levels among engineers. However, 15% of feedback points to challenges in team integration due to time zone and communication barriers, suggesting a potential area for improvement in project management support.

    Read Most Recent Review
    9 of 12 Web Development reviews are 5 stars
    1 new review for Web Development in past 6 months
    $10,000 – $49,000 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Drupal Support for University

    5.0 — OPTASY updated a university's Drupal core from 9.5.x to 10.3.x and all the contributed modules to Drupal 10 and 11 versions. They also built a custom module to redirect specific paths from one site Read more
    Read 12 Reviews

    Industry Experience

    OPTASY has demonstrated exceptional expertise across various industries, including Education, Consulting, Nonprofit, Healthcare, and Telecommunications. Clients commend their proficiency in Drupal development, project management, and timely delivery, leading to significant improvements in website functionality and user engagement. Overall sentiment is positive, particularly within Education and Nonprofit sectors, where they have successfully enhanced communication strategies and user experience. Organizations seeking reliable Drupal solutions with strong support may find OPTASY a suitable fit.

    Read All Reviews

    Select Industry to see insights

    Education Consulting Nonprofit Design Government Engineering Healthcare Telecommunications IT Services Food & Beverages Sports Publishing Human Resources

    More responsive than most other service providers

    OPTASY is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    View Profile
  • Webgate Logotype

    5.0 12 reviews
    $25,000+
    $50 - $99 / hr
    10 - 49
    Bratislava, Slovakia

    Services provided

    45% Web Development
    30% Web Design
    15% UX/UI Design +1
    10% Custom Software Development

    Focus Areas

    15% JavaScript
    50% Typescript
    20% PHP +1
    15% Other programming & scripting languages

    Webgate is a comprehensive web development company specializing in Website Development, Web Design, and Full-Stack Web Development. With a strong focus on customer satisfaction, 100% of reviews highlight their effective project management and ability to deliver on time. Reviewers frequently commend their communication skills, flexibility, and expertise, often mentioning their professionalism and tailored approach to clients' needs.

    See all 12 projects

    Reviews mention Flexible

    Clients have consistently praised Webgate for their flexibility in addressing project needs. One client noted that Webgate 'listened carefully to our needs and was very flexible when we needed them to be.' This adaptability contributed to positive project outcomes, with clients appreciating their responsiveness and willingness to adjust to changing requirements. Overall, the sentiment regarding Webgate's flexibility is highly positive, indicating a strong alignment with client expectations.
    • Web Design & Development for Media Production Company
      4.5 Oct 1, 2024

      Webgate listened carefully to our needs and was very flexible when we needed them to be. There’s nothing they can improve on. Make sure to clearly define your objectives before starting the project.

      Read Full Review
    Read All Reviews

    Industry Experience

    Webgate has demonstrated expertise across various industries, including Media, Education, Consulting, Software, IT Services, Financial Services, and eCommerce. Clients praised their effective project management, flexibility, and high-quality deliverables. In the Media and Education sectors, feedback highlighted the impact of their user-friendly website designs on recruitment and communication. In Financial Services, they successfully modernized websites, enhancing brand perception. Overall, Webgate is well-suited for clients seeking tailored web solutions in these diverse industries.

    Read All Reviews

    Select Industry to see insights

    Media Education Consulting Software IT Services Financial services eCommerce Information technology

    More responsive than most other service providers

    Webgate is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch

    View projects from:

    Slovakia (8) United States (1) England (1)
    View Profile

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Clutch Leaders Matrix

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

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

List of the Top 15 JavaScript Development Companies

  1. ImageX Logotype

    ImageX

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

    Ability to deliver

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

    Service focus

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

    xfive

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

    Ability to deliver

    39.3/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  3. Brainhub Logotype

    Brainhub

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

    Ability to deliver

    39.3/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

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

    The Software House

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

    Ability to deliver

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

    Service focus

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

    Xmartlabs

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

    Ability to deliver

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

    Service focus

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

    Airdev

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

    Ability to deliver

    38.5/40.0
    19.2/20 Reviews
    9.6/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

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

    WPWeb Infotech

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

    Ability to deliver

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

    Service focus

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

    Lizard Global

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

    Ability to deliver

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

    Service focus

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

    PopArt Studio

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

    Ability to deliver

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

    Service focus

    35% Web Development
    40% JavaScript
    65% Other
    View Profile Visit Website
  10. Softonix Logotype

    Softonix

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

    Ability to deliver

    36.3/40.0
    17.4/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

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

    Scopic

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

    Ability to deliver

    39.5/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    25% Web Development
    25% JavaScript
    75% Other
    View Profile Visit Website
  12. GeekyAnts Logotype

    GeekyAnts

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

    Ability to deliver

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

    Service focus

    15% Web Development
    40% JavaScript
    85% Other
    View Profile Visit Website
  13. INOXOFT Logotype

    INOXOFT

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

    Ability to deliver

    39.6/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  14. HTMLPanda Logotype

    HTMLPanda

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

    Ability to deliver

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

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  16. SpdLoad Logotype

    SpdLoad

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

    Ability to deliver

    36.4/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  17. Techuz InfoWeb Pvt. Ltd. Logotype

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

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

    Service focus

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

    PowerGate Software

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

    Ability to deliver

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

    Service focus

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

    Incora

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

    Ability to deliver

    37/40.0
    18/20 Reviews
    10/10 Clients & Experience
    9/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  20. Toptal Logotype

    Toptal

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

    Ability to deliver

    38.3/40.0
    18.4/20 Reviews
    9.9/10 Clients & Experience
    10/10 Market Presence

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  21. Arcanys Logotype

    Arcanys

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

    Ability to deliver

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

    Service focus

    30% Web Development
    20% JavaScript
    70% Other
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  22. Cleveroad Logotype

    Cleveroad

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

    Ability to deliver

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

    Service focus

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

    Blazity

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

    Ability to deliver

    37.5/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    50% Web Development
    70% JavaScript
    50% Other
    View Profile Visit Website
  24. Experion Technologies Logotype

    Experion Technologies

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

    Ability to deliver

    36.5/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

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

    Human Made

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

    Ability to deliver

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

    Service focus

    100% Web Development
    30% JavaScript
    View Profile Visit Website
  26. Vincit Logotype

    Vincit

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

    Ability to deliver

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

    Service focus

    30% Web Development
    30% JavaScript
    70% Other
    View Profile Visit Website
  27. XWP Logotype

    XWP

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

    Ability to deliver

    35.5/40.0
    15.8/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

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

    Flowout

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

    Ability to deliver

    36.1/40.0
    20/20 Reviews
    10/10 Clients & Experience
    6.1/10 Market Presence

    Service focus

    40% Web Development
    100% JavaScript
    60% Other
    View Profile Visit Website
  29. Sigma Software Group Logotype

    Sigma Software Group

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

    Ability to deliver

    37.6/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    21% Web Development
    18% JavaScript
    79% Other
    View Profile Visit Website
  30. Merixstudio Logotype

    Merixstudio

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

    Ability to deliver

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

    Service focus

    50% Web Development
    10% JavaScript
    50% 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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