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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: July 9, 2026
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22,250 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 91 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 and engineering service provider specializing in full-stack web development and custom website development. The company consistently receives positive feedback, with approximately 95% of reviews highlighting their high-quality developers and management excellence. Clients frequently commend their project management skills and responsiveness, making them a reliable partner for complex web programming and online development projects.

    See all 91 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 past six months, client feedback for Digis, a Fiverr company (NYSE: FVRR), has been overwhelmingly positive. Clients praised the high quality of developers and responsiveness, noting significant improvements in project turnaround times and site performance. For instance, one client reported a 40%-50% reduction in project delivery times and another highlighted the ability to onboard talent swiftly for additional roles. Overall, clients expressed satisfaction with the collaboration and noted no areas for improvement.
    Read 4 Recent Reviews
    6 of 6 JavaScript reviews are 5 stars
    1 new review for JavaScript in past 6 months
    $50,000 – $199,999 avg. project cost

    JavaScript Experience

    Reviews for Digis, a Fiverr company (NYSE: FVRR), indicate high satisfaction with their JavaScript services, showcasing a 90% positive feedback rate. Clients emphasize their expertise in full stack development, particularly with React and Node.js, resulting in improved project turnaround times by 40-50%. Communication and project management are frequently praised, with 85% of reviewers noting timely delivery and clear updates. Specific feedback highlights the team's ability to understand requirements and deliver high-quality code without micromanagement, reinforcing their reputation as reliable partners.

    Read Most Recent Review

    Industry Experience

    Digis has demonstrated notable expertise across various industries, including eCommerce, Advertising & Marketing, Media, Information Technology, and Manufacturing. Clients consistently praise their responsiveness, quality of work, and ability to integrate seamlessly into existing teams. In eCommerce, they excelled in web development, while in Advertising & Marketing, their contributions improved project turnaround by 40-50%. Overall, their strong technical skills and effective project management have led to high client satisfaction, making them a suitable partner for companies in need of skilled development resources.

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    Select Industry to see insights

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

    Average Project Cost Breakdown

    $10,000 to $49,000 (25) $50,000 to $199,999 (16) Less than $10,000 (8) $200,000 to $999,999 (6) $1,000,000 to $9,999,999 (4)

    What Clients Have Said

    Client feedback on Digis indicates a strong perception of value for money, with many reviews highlighting competitive pricing and high-quality deliverables. One client noted, 'their pricing fit our budget and they offered good value for the cost,' while another remarked on 'the quality to cost ratio' as impressive. Overall sentiment is positive, with clients expressing satisfaction with timely project completion and effective communication, affirming Digis as a reliable partner for various development needs.
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  • Heavenkeys Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Gatineau, Canada

    Services provided

    20% Web Development
    20% API Development
    20% Application Management & Support +2
    20% Custom Software Development
    20% Web Design

    Focus Areas

    20% JavaScript
    30% HTML5
    30% PHP +1
    20% SQL

    Heavenkeys is a web design company founded in 2020. The team focuses on Web Design and Custom Software Development and is located in Gatineau, Canada.

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  • Kjelldesign Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Reinbek, Germany

    Services provided

    20% Web Development
    20% Branding
    20% Print Design +2
    20% Search Engine Optimization
    20% Web Design

    Focus Areas

    20% JavaScript
    20% AJAX
    20% HTML5 +2
    20% PHP
    20% SQL

    Kjelldesign, a small branding agency, is located in Reinbek, Germany. Their services include Branding and Search Engine Optimization.

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  • Michael PACE digital Logotype

    Michael PACE digital

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    20% Web Development
    20% Branding
    20% Social Media Marketing +2
    20% Video Production
    20% Web Design

    Focus Areas

    20% JavaScript
    20% PHP
    15% AJAX +3
    15% HTML5
    15% SQL
    15% jquery

    Michael PACE digital is a Los Angeles, California-based branding company. Established in 2006, the team offers Branding and Social Media Marketing.

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  • MultiTech IT Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Benowa, Australia

    Services provided

    10% Web Development
    20% IT Managed Services
    15% IT Strategy Consulting +4
    15% Pay Per Click
    15% Search Engine Optimization
    15% Social Media Marketing
    10% Web Design

    Focus Areas

    15% JavaScript
    20% Python
    20% Ruby +3
    15% ASP.NET
    15% ColdFusion
    15% PHP

    MultiTech IT is a small IT managed services company founded in 2017. Their services include IT managed services and IT strategy consulting.

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  • Nerdy Dragon Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Boise, ID

    Services provided

    10% Web Development
    10% Custom Software Development
    10% Digital Strategy +9
    10% E-Commerce Development
    10% Email Marketing
    10% Graphic Design
    10% Mobile App Development
    10% Web Design
    5% Mobile & App Marketing
    5% Search Engine Optimization
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    15% PHP
    10% C +6
    10% C#
    10% C++
    10% Java
    10% Objective C
    10% Perl
    10% Python

    Digital Strategy company Nerdy Dragon specializes in Digital Strategy and Email Marketing. They were founded in 2009.

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  • Web Designer Kuwait Logotype

    Web Designer Kuwait

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

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

    Focus Areas

    15% JavaScript
    15% C++
    15% HTML5 +4
    15% PHP
    15% Python
    15% SQL
    10% Ruby

    Based in Kuwait City, Kuwait, Web Designer Kuwait is a SEO services firm. They offer Search Engine Optimization and Web Design and were founded in 2016.

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  • Global Search Council Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Fremont, CA

    Services provided

    10% Web Development
    10% Branding
    10% Content Marketing +7
    10% E-Commerce Development
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Video Production

    Focus Areas

    15% JavaScript
    15% AJAX
    15% PHP +5
    15% Python
    10% HTML5
    10% SQL
    10% backbone.js
    10% jquery

    Global Search Council is a small branding firm founded in 2017. Their services include Branding and Social Media Marketing.

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  • Make It Your Web Logotype

    Make It Your Web

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    10% Web Development
    15% Custom Software Development
    15% Web Design +6
    10% E-Commerce Development
    10% IT Strategy Consulting
    10% Logo
    10% Mobile App Development
    10% Product Design
    10% UX/UI Design

    Focus Areas

    15% JavaScript
    15% C#
    15% C++ +5
    15% PHP
    10% AJAX
    10% HTML5
    10% SQL
    10% jquery

    Founded in 2007, Make It Your Web, a small web design agency, is headquartered in San Antonio, Texas. Their team focuses on Web Design and Custom Software Development.

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  • Bitwise Digital Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Houston, TX

    Services provided

    10% Web Development
    10% API Development
    10% CRM Consulting and SI +7
    10% Custom Software Development
    10% DevOps Managed Services
    10% E-Commerce Development
    10% Graphic Design
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    15% C#
    15% Go +4
    15% Java
    15% PHP
    15% Swift
    10% C

    Bitwise Digital is a web design company. Their small team is in Houston, Texas and provides Web Design and UX/UI Design. The company was founded in 2006.

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  • Nice Global Solutions Inc Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    McKinney, TX

    Services provided

    10% Web Development
    10% Application Testing
    10% BI & Big Data Consulting & SI +7
    10% CRM Consulting and SI
    10% Cloud Consulting & SI
    10% Cybersecurity
    10% E-Commerce Development
    10% ERP Consulting and SI
    10% Mobile App Development
    10% Web Design

    Focus Areas

    15% JavaScript
    15% Java
    15% Kotlin +4
    15% Objective C
    15% SQL
    15% Swift
    10% Typescript

    Nice Global Solutions Inc is a web design agency. They are located in McKinney, Texas and have small team. They offer Web Design and BI & big data consulting & SI.

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  • Megatrendz Media USA Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Edison, NJ

    Services provided

    10% Web Development
    10% AI Development
    10% API Development +7
    10% Application Testing
    10% BI & Big Data Consulting & SI
    10% CRM Consulting and SI
    10% Custom Software Development
    10% IT Managed Services
    10% IT Staff Augmentation
    10% Mobile App Development

    Focus Areas

    15% JavaScript
    15% ASP
    15% C# +4
    15% HTML5
    15% Java
    15% SQL
    10% ASP.NET

    Megatrendz Media USA Inc., a business intelligence company, is in Edison, New Jersey. Their services include BI & big data consulting & SI and CRM consulting and SI.

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  • Zunch Labs Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Dallas, TX

    Services provided

    15% Web Development
    20% Custom Software Development
    20% Mobile App Development +3
    15% Application Management & Support
    15% Application Testing
    15% IoT Development

    Focus Areas

    10% JavaScript
    10% C#
    10% C++ +7
    10% HTML5
    10% Java
    10% Objective C
    10% PHP
    10% Perl
    10% Python
    10% Ruby

    Zunch Labs is a custom software development company launched in 2000. Their team provides Custom Software Development and Mobile App Development.

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  • Viralweb Digital Marketing Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Dacula, GA

    Services provided

    10% Web Development
    10% Content Marketing
    10% Ecommerce Marketing +7
    10% Email Marketing
    10% Pay Per Click
    10% SMS Marketing
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Video Marketing
    10% Web Design

    Focus Areas

    15% JavaScript
    15% AJAX
    15% Java +4
    15% PHP
    15% SQL
    15% jquery
    10% HTML5

    Established in 2012, Viralweb Digital Marketing is a social media marketing firm. The team provides Social Media Marketing and Content Marketing.

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  • Natures Agency Logotype

    Natures Agency

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Search Engine Optimization
    20% Social Media Marketing +4
    15% Email Marketing
    15% Pay Per Click
    10% Content Marketing
    10% Web Design

    Focus Areas

    11% JavaScript
    12% PHP
    11% Ember.js +6
    11% Java
    11% Objective C
    11% Other programming & scripting languages
    11% Swift
    11% Typescript
    11% Visual Basic

    Natures Agency is a social media marketing firm located in Sydney, Australia. Founded in 2021, the team offers Social Media Marketing and Search Engine Optimization.

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  • Ammerman Design Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Hagerstown, MD

    Services provided

    20% Web Development
    20% Custom Software Development
    15% Graphic Design +4
    15% UX/UI Design
    10% Blockchain Marketing
    10% Branding
    10% E-Commerce Development

    Focus Areas

    15% JavaScript
    20% C++
    20% PHP +3
    15% ASP.NET
    15% HTML5
    15% jquery

    In Hagerstown, Maryland, Ammerman Design is a software development firm. Their services include Custom Software Development and Web Development.

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  • Craft Blue, LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Charlotte, NC

    Services provided

    20% Web Development
    20% Custom Software Development
    10% API Development +5
    10% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI
    10% IT Managed Services
    10% Search Engine Optimization
    10% UX/UI Design

    Focus Areas

    15% JavaScript
    15% Ember.js
    15% HTML5 +4
    15% PHP
    15% SQL
    15% backbone.js
    10% jquery

    Craft Blue, LLC is a small custom software development firm. Launched in 2012, the team offers Custom Software Development and Web Development.

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  • Online Business Solutions Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Great Warley, England

    Services provided

    10% Web Development
    10% Content Marketing
    10% Conversion Optimization +7
    10% Email Marketing
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Video Marketing
    10% Web Design

    Focus Areas

    25% JavaScript
    25% HTML5
    25% PHP +1
    25% jquery

    In Great Warley, England, Online Business Solutions is a small social media marketing agency. Their services include Social Media Marketing and Content Marketing.

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  • Two Loon Software Logotype

    Two Loon Software

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    20% Web Development
    20% Search Engine Optimization
    20% UX/UI Design +3
    20% Web Design
    10% E-Commerce Development
    10% Mobile App Development

    Focus Areas

    15% JavaScript
    15% AJAX
    15% ASP.NET +4
    15% HTML5
    15% PHP
    15% jquery
    10% C#

    Two Loon Software is a SEO agency. Headquartered in Ashland, Oregon, their team specializes in Search Engine Optimization and Web Design.

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  • iREBU Agencja Interaktywna Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Poznań, Poland

    Services provided

    20% Web Development
    30% Web Design
    10% Graphic Design +4
    10% IT Managed Services
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    15% JavaScript
    20% AJAX
    20% PHP +3
    15% HTML5
    15% SQL
    15% jquery

    Web design agency iREBU Agencja Interaktywna is headquartered in Poznań, Poland. They specialize in Web Design and Web Development and were launched in 2016.

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  • Consulente SEO Specialist Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Cesena, Italy

    Services provided

    15% Web Development
    40% Search Engine Optimization
    15% Content Marketing +2
    15% Pay Per Click
    15% Web Design

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Java +2
    20% PHP
    20% jquery

    Consulente SEO Specialist is a SEO agency. They are in Cesena, Italy and have small team. They provide Search Engine Optimization and Content Marketing.

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  • McDarmont Web Design Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Ringgold, VA

    Services provided

    20% Web Development
    20% Content Marketing
    20% Search Engine Optimization +3
    20% Web Design
    10% E-Commerce Development
    10% Pay Per Click

    Focus Areas

    15% JavaScript
    15% AJAX
    15% ASP.NET +4
    15% PHP
    15% SQL
    15% XML
    10% HTML5

    McDarmont Web Design, a Content Marketing company, is headquartered in Ringgold, Virginia. Established in 2005, the team focuses on Content Marketing and Search Engine Optimization.

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  • IT-LEAD.EU | Software Outsourcing Company - Out of Business Logotype

    5.0 1 review
    $1,000+
    $50 - $99 / hr
    10 - 49
    Kraków, Poland

    Services provided

    10% Web Development
    10% Custom Software Development
    10% Cybersecurity +7
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% IT Managed Services
    10% IT Staff Augmentation
    10% IT Strategy Consulting
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    10% C++
    10% Java +7
    10% PHP
    10% Python
    10% Ruby
    10% SQL
    10% Scala
    10% Swift
    10% Typescript

    IT-LEAD.EU | Software Outsourcing Company - Out of Business specialized in LP development services. Clients have expressed satisfaction with the company's performance, noting effective workflow and the assurance provided by the team. Overall, the feedback suggests that the company delivered satisfactory results, although there were areas for potential improvement.

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  • solomoIT Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Melbourne, Australia

    Services provided

    10% Web Development
    20% Digital Strategy
    15% Email Marketing +4
    15% Pay Per Click
    15% Search Engine Optimization
    15% Social Media Marketing
    10% Web Design

    Focus Areas

    10% JavaScript
    15% PHP
    15% Python +5
    15% Ruby
    15% Swift
    10% C#
    10% C++
    10% Java

    SolomoIT is a Digital Strategy company based in Melbourne, Australia. The team offers Digital Strategy and Email Marketing.

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  • FlawlessCode Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Maribor, Slovenia

    Services provided

    10% Web Development
    10% Application Management & Support
    10% Application Testing +7
    10% Branding
    10% Conversion Optimization
    10% Custom Software Development
    10% Mobile App Development
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +7
    10% C++
    10% Java
    10% PHP
    10% Python
    10% Swift
    10% Typescript
    10% jquery

    Headquartered in Maribor, Slovenia, FlawlessCode is a branding company. The team provides Branding and Social Media Marketing.

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  • SDVS Technologies LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Flower Mound, TX

    Services provided

    10% Web Development
    20% Custom Software Development
    20% ERP Consulting and SI +5
    10% Cloud Consulting & SI
    10% IT Managed Services
    10% IT Staff Augmentation
    10% IT Strategy Consulting
    10% Web Design

    Focus Areas

    10% JavaScript
    10% ASP
    10% ASP.NET +7
    10% C
    10% C#
    10% C++
    10% HTML5
    10% Java
    10% Perl
    10% SQL

    SDVS Technologies LLC, an ERP consulting and SI company, is based in Flower Mound, Texas. They specialize in ERP consulting and SI and Custom Software Development and were launched in 2011.

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  • Spark-it Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Paris, France

    Services provided

    10% Web Development
    10% BI & Big Data Consulting & SI
    10% Custom Software Development +7
    10% DevOps Managed Services
    10% Digital Engineering
    10% E-Commerce Development
    10% ERP Consulting and SI
    10% IT Strategy Consulting
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    15% PHP
    15% SQL +6
    10% ASP.NET
    10% C#
    10% HTML5
    10% Java
    10% Python
    10% Swift

    Launched in 2013, Spark-it is a small UX agency based in Paris, France. Their team focuses on UX/UI Design and IT strategy consulting.

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  • Dre5 Productions Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    North Las Vegas, NV

    Services provided

    10% Web Development
    20% Video Production
    10% Advertising +6
    10% Corporate Photography
    10% Graphic Design
    10% Media Planning & Buying
    10% Pay Per Click
    10% Search Engine Optimization
    10% Web Design

    Focus Areas

    10% JavaScript
    10% AJAX
    10% C +7
    10% C++
    10% PHP
    10% Perl
    10% Python
    10% Ruby
    10% SQL
    10% Visual Basic

    Dre5 Productions, a small video production company, is in North Las Vegas, Nevada. Their services include Video Production and Advertising.

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  • bias Interactive GmbH Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    2 - 9
    Langenfeld (Rheinland), Germany

    Services provided

    10% Web Development
    20% IoT Development
    20% Mobile App Development +4
    20% UX/UI Design
    10% AR/VR Development
    10% Cloud Consulting & SI
    10% ERP Consulting and SI

    Focus Areas

    13% JavaScript
    22% Kotlin
    13% Elixir +4
    13% Go
    13% Python
    13% Ruby
    13% Swift

    UX company bias Interactive GmbH was founded in 2018. The firm focuses on UX/UI Design and Mobile App Development, and is small.

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  • Hasibullah Rahmani Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Ankara, Türkiye

    Services provided

    20% Web Development
    20% Mobile App Development
    20% Web Design +4
    10% Ecommerce Marketing
    10% Graphic Design
    10% IT Strategy Consulting
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    10% C#
    10% C++ +7
    10% HTML5
    10% Java
    10% PHP
    10% Python
    10% Ruby
    10% SQL
    10% XML

    Hasibullah Rahmani, a small web design company, is located in Ankara, Türkiye. The team focuses on Web Design and Web Development.

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  • SalemWise Solutions Logotype

    SalemWise Solutions

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    20% Web Development
    20% BI & Big Data Consulting & SI
    20% Blockchain +2
    20% Cloud Consulting & SI
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C +9
    10% C++
    10% Java
    10% PHP
    10% Python
    10% XML
    5% Kotlin
    5% Objective C
    5% SQL
    5% Swift

    SalemWise Solutions is a business intelligence company. Their small team is headquartered in Plainsboro, New Jersey. Their services include BI & big data consulting & SI and cloud consulting & SI.

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  • Access Communications Logotype

    Access Communications

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    10% Web Development
    10% Content Marketing
    10% Content Writing Services +8
    10% E-Commerce Development
    10% Graphic Design
    10% IT Managed Services
    10% Pay Per Click
    10% Social Media Marketing
    10% Web Design
    5% Email Marketing
    5% Search Engine Optimization

    Focus Areas

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

    Access Communications is a social media marketing firm. Located in Stamford, Connecticut, the company was established in 2003. Their team offers Social Media Marketing and Content Marketing.

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  • Right Stuff Web Development LLC Logotype

    Right Stuff Web Development LLC

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Search Engine Optimization +3
    20% Web Design
    10% Pay Per Click
    10% Social Media Marketing

    Focus Areas

    10% JavaScript
    15% PHP
    15% Python +6
    10% C#
    10% HTML5
    10% Java
    10% Ruby
    10% SQL
    10% jquery

    Small SEO company Right Stuff Web Development LLC, is located in Front Royal, Virginia. Their services include Search Engine Optimization and Web Design.

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  • Ploonu LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Shelbyville, IN

    Services provided

    10% Web Development
    10% Branding
    10% Content Marketing +7
    10% E-Commerce Development
    10% Graphic Design
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Video Marketing
    10% Web Design

    Focus Areas

    20% JavaScript
    20% PHP
    20% Python +2
    20% SQL
    20% Typescript

    Ploonu LLC is a Shelbyville, Indiana-based branding company. Their services include Branding and Social Media Marketing.

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  • McKay Media Group LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Clearwater, FL

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Graphic Design +2
    20% Video Production
    20% Web Design

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP.NET +7
    10% C#
    10% HTML5
    10% PHP
    10% SQL
    10% Typescript
    10% XML
    10% jquery

    Web design company McKay Media Group LLC was established in 2012. The company provides Web Design and Graphic Design.

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  • West Coast Online Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Perth, Australia

    Services provided

    10% Web Development
    10% Branding
    10% Conversion Optimization +7
    10% Digital Strategy
    10% Email Marketing
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +7
    10% C++
    10% Delphi
    10% Ember.js
    10% Java
    10% PHP
    10% SQL
    10% Swift

    West Coast Online is a small Perth, Australia-based branding firm. Their services include Branding and Digital Strategy.

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  • Massive Dynamics USA Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    New York, NY

    Services provided

    10% Web Development
    10% Custom Software Development
    10% E-Commerce Development +7
    10% Email Marketing
    10% Logo
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% Kotlin +3
    20% Objective C
    20% Swift
    10% HTML5

    Massive Dynamics USA is a social media marketing agency. The firm is headquartered in New York, New York. Their team specializes in Social Media Marketing and Email Marketing.

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  • DPA Software Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Waukesha, WI

    Services provided

    10% Web Development
    20% Custom Software Development
    10% AI Agents +6
    10% AI Development
    10% AR/VR Development
    10% Digital Strategy
    10% E-Commerce Development
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C++ +11
    10% HTML5
    10% Java
    10% jquery
    5% AJAX
    5% ASP
    5% C
    5% Objective C
    5% PHP
    5% SQL
    5% Swift
    5% Visual Basic

    Headquartered in Waukesha, Wisconsin, DPA Software is a small software development firm. The team provides Custom Software Development and Digital Strategy.

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  • Broadlink Data Services, LLC. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    New York, NY

    Services provided

    10% Web Development
    10% API Development
    10% Custom Software Development +7
    10% Cybersecurity
    10% E-Commerce Development
    10% Graphic Design
    10% Mobile App Development
    10% Product Design
    10% UX/UI Design
    10% Web Design

    Focus Areas

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

    Established in 2016, Broadlink Data Services, LLC. Is a small New York, New York-based web design agency. Their services include Web Design and UX/UI Design.

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  • High Solutions Web Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    București, Romania

    Services provided

    10% Web Development
    10% Branding
    10% Business Consulting +7
    10% Custom Software Development
    10% E-Commerce Development
    10% Logo
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    10% JavaScript
    15% C++
    15% PHP +5
    15% Python
    15% jquery
    10% ASP
    10% ColdFusion
    10% Java

    Launched in 2008, High Solutions Web is a branding company. Their services include Branding and Social Media Marketing.

    Read more
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  • Cur1yJ Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Boulder, CO

    Services provided

    10% Web Development
    20% Custom Software Development
    20% E-Commerce Development +5
    10% AI Development
    10% API Development
    10% Cloud Consulting & SI
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    10% ColdFusion
    10% Ember.js +8
    10% HTML5
    10% Java
    10% PHP
    10% Python
    10% backbone.js
    10% jquery
    5% Objective C
    5% Swift

    Cur1yJ, a software development company, was launched in 2011. The team specializes in Custom Software Development and E-Commerce Development.

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  • Tinker Ventures Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Midvale, UT

    Services provided

    10% Web Development
    10% AI Development
    10% API Development +7
    10% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% E-Commerce Development
    10% Mobile App Development
    10% Product Design
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    10% C#
    10% C++ +9
    10% Java
    10% PHP
    10% Python
    10% backbone.js
    10% jquery
    5% HTML5
    5% Objective C
    5% SQL
    5% Swift

    Tinker Ventures, an UX agency, was launched in 2006. The company offers UX/UI Design and Product Design.

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  • Korevariance Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Morgantown, WV

    Services provided

    10% Web Development
    20% Mobile App Development
    10% Branding +6
    10% Custom Software Development
    10% E-Commerce Development
    10% Pay Per Click
    10% Print Design
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    10% JavaScript
    20% PHP
    20% SQL +5
    10% ASP.NET
    10% C
    10% C#
    10% C++
    10% HTML5

    Korevariance is a small mobile application development firm launched in 2014. Their team focuses on Mobile App Development and Branding.

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  • RC Website Group Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Shillington, PA

    Services provided

    10% Web Development
    10% API Development
    10% Content Marketing +7
    10% Conversion Optimization
    10% E-Commerce Development
    10% Email Marketing
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    10% JavaScript
    20% PHP
    10% AJAX +6
    10% C#
    10% HTML5
    10% Java
    10% Python
    10% Ruby
    10% SQL

    RC Website Group is a social media marketing company launched in 2014. The small team specializes in Social Media Marketing and Content Marketing.

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  • Millennium International Consulting, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Odenton, MD

    Services provided

    10% Web Development
    50% Custom Software Development
    10% API Development +3
    10% Cloud Consulting & SI
    10% Cybersecurity
    10% Web Design

    Focus Areas

    15% JavaScript
    15% C++
    15% Java +5
    15% SQL
    10% C
    10% C#
    10% HTML5
    10% PHP

    Headquartered in Odenton, Maryland, Millennium International Consulting, Inc. Is a custom software development firm. The team provides Custom Software Development and Web Design.

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  • Royal Deer Design, LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    New York, NY

    Services provided

    10% Web Development
    10% Branding
    10% Cloud Consulting & SI +7
    10% E-Commerce Development
    10% Email Marketing
    10% Graphic Design
    10% Logo
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    15% JavaScript
    20% HTML5
    15% C++ +4
    15% PHP
    15% Python
    10% C
    10% SQL

    Royal Deer Design, LLC is a branding company. They are in New York, New York. Their team focuses on Branding and Social Media Marketing.

    Read more
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  • Marketing Media Solutions Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Madrid, Spain

    Services provided

    10% Web Development
    10% CRM Consulting and SI
    10% E-Commerce Development +7
    10% ERP Consulting and SI
    10% Email Marketing
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    15% JavaScript
    20% ASP
    20% HTML5 +3
    15% PHP
    15% Python
    15% SQL

    Marketing Media Solutions is a social media marketing agency established in 2003. The team focuses on Social Media Marketing and Email Marketing.

    Read more
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  • Master Global Tech Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    North Parramatta, Australia

    Services provided

    10% Web Development
    15% Application Testing
    15% Custom Software Development +6
    10% AI Development
    10% Cloud Consulting & SI
    10% Computer Engineering
    10% Mobile App Development
    10% Product Design
    10% UX/UI Design

    Focus Areas

    15% JavaScript
    15% HTML5
    15% Java +4
    15% PHP
    15% Python
    15% Ruby
    10% Scala

    Founded in 2017, Master Global Tech is a small custom software development company. Their services include Custom Software Development and Application Testing.

    Read more
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  • I Love Doing Websites Inc Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    Freelancer
    Houston, TX

    Services provided

    10% Web Development
    20% Web Design
    10% Corporate Photography +6
    10% E-Commerce Development
    10% Graphic Design
    10% Logo
    10% Pay Per Click
    10% Search Engine Optimization
    10% Video Production

    Focus Areas

    10% JavaScript
    20% ASP
    20% PHP +4
    20% SQL
    10% Go
    10% HTML5
    10% XML

    Located in Houston, Texas, I Love Doing Websites Inc is a web design agency. They offer Web Design and Search Engine Optimization and were established in 2003.

    Read more
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  • deV Summit Logotype

    deV Summit

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    10% Web Development
    20% Custom Software Development
    10% API Development +6
    10% E-Commerce Development
    10% IT Managed Services
    10% IoT Development
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    10% C#
    10% C++ +12
    10% Java
    10% PHP
    5% Go
    5% Kotlin
    5% Perl
    5% Python
    5% Ruby
    5% Rust
    5% SQL
    5% Scala
    5% Swift
    5% Typescript

    DeV Summit is a software development firm founded in 2023. Their services include Custom Software Development and Web Design.

    Read more
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  • Conscious Web Design Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Ashland, OR

    Services provided

    10% Web Development
    20% Custom Software Development
    10% AI Development +6
    10% API Development
    10% Blockchain
    10% Blockchain Marketing
    10% E-Commerce Development
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    10% C#
    10% C++ +9
    10% Java
    10% Objective C
    10% PHP
    10% Ruby
    10% jquery
    5% Kotlin
    5% Python
    5% SQL
    5% Swift

    Software development company Conscious Web Design is in Ashland, Oregon. Their services include Custom Software Development and UX/UI Design.

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Ability to deliver
Focus
Clutch Leaders Matrix

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

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

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

    60% Web Development
    50% JavaScript
    40% Other
    View Profile Visit Website
  3. The Software House Logotype

    The Software House

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

    Ability to deliver

    39.6/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

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

    Brainhub

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

    Ability to deliver

    38.7/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    45% Web Development
    75% JavaScript
    55% 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. 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

    20% Web Development
    40% JavaScript
    80% Other
    View Profile Visit Website
  7. FocusReactive Logotype

    FocusReactive

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

    Ability to deliver

    38.7/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    50% Web Development
    90% JavaScript
    50% Other
    View Profile Visit Website
  8. Lizard Global Logotype

    Lizard Global

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

    Ability to deliver

    39.1/40.0
    19.8/20 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
    Warszawa, Poland

    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. INOXOFT Logotype

    INOXOFT

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

    Ability to deliver

    39.4/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  12. 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
  14. Cleveroad Logotype

    Cleveroad

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

    Ability to deliver

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

    Service focus

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

    Scopic

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

    Ability to deliver

    38.9/40.0
    19.2/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    25% Web Development
    25% JavaScript
    75% Other
    View Profile Visit Website
  16. 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
  17. Boldare Logotype

    Boldare

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

    Ability to deliver

    39.6/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    20% Web Development
    50% JavaScript
    80% Other
    View Profile Visit Website
  18. unicrew Logotype

    unicrew

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

    Ability to deliver

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

    Service focus

    20% Web Development
    50% JavaScript
    80% Other
    View Profile Visit Website
  19. Arcanys Logotype

    Arcanys

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

    Ability to deliver

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

    Service focus

    30% Web Development
    20% JavaScript
    70% Other
    View Profile Visit Website
  20. Techuz InfoWeb Pvt. Ltd. Logotype

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

    36.1/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

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

    Toptal

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

    Ability to deliver

    38.1/40.0
    18.2/20 Reviews
    9.9/10 Clients & Experience
    10/10 Market Presence

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  22. SpdLoad Logotype

    SpdLoad

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

    Ability to deliver

    36/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  23. PowerGate Software Logotype

    PowerGate Software

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

    Ability to deliver

    38.3/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    30% Web Development
    21% JavaScript
    70% Other
    View Profile Visit Website
  24. Experion Technologies Logotype

    Experion Technologies

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

    Ability to deliver

    36.5/40.0
    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. 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

    45% Web Development
    10% JavaScript
    55% Other
    View Profile Visit Website
  26. Vincit Logotype

    Vincit

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

    Ability to deliver

    36.1/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.9/10 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. Naturaily Logotype

    Naturaily

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

    Ability to deliver

    38.1/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    40% Web Development
    70% JavaScript
    60% Other
    View Profile Visit Website
  29. 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
  30. Human Made Logotype

    Human Made

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

    Ability to deliver

    37.2/40.0
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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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