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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 19, 2026
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15 Leaders 15 Contenders

22,060 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Featured

    What are Featured Providers?

    Digis, a Fiverr company (NYSE: FVRR) Logotype

    Digis, a Fiverr company (NYSE: FVRR)

    4.9 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.

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    Reviews mention Hard working

    Client feedback consistently highlights Digis' strong work ethic and dedication. One CEO noted their 'great hard-working team culture' that seamlessly integrated with their own, raising overall performance. Another client praised the team's 'strong work ethic and desire to get things done,' emphasizing their commitment to understanding the client's business needs. Overall, the sentiment reflects high satisfaction regarding Digis' hard-working nature, with clients expressing appreciation for their professionalism and collaborative spirit.
    • UI/UX Design, Mobile App & Web Dev for Sports Equipment Co
      5.0 Apr 26, 2023

      I’m most impressed with Digis’ management skills and dedication because they work at any time. I’ve contacted Digis’ developers at 1 a.m. of their local time, and they’re still working. Digis’ team dedication is hard to find.

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    • Software Development for Tech Job Matching Company
      5.0 Mar 31, 2022

      I think they have been an amazing addition to our team. Very hard working and easy to get along with. I think they are super hard working, professional, friendly and delivers on time.

      Read Full Review
    • Mobile App Development for Scooter Company
      5.0 Mar 22, 2021

      They’d work evenings and weekends in order to support us without charging us for the extra time. Their team did that quite a lot of times. They were truly committed to helping us succeed.

      Read Full Review
    Read All Reviews
    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

    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

    Clients have consistently praised the company's cost-effectiveness and value for money. Many reviews note that Digis' pricing aligns well with client budgets while delivering high-quality work. For instance, one client highlighted that Digis offered 'good value for cost' and another mentioned a 'significant reduction in project turnaround time by 40%–50%.' Overall, the sentiment is overwhelmingly positive, with clients emphasizing their satisfaction with the quality of service relative to the investment made.
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  • Business Automation Ltd Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    50 - 249
    Dhaka, Bangladesh

    Services provided

    10% Web Development
    15% DevOps Managed Services
    10% Custom Software Development +7
    10% Cybersecurity
    10% E-Commerce Development
    10% IT Managed Services
    10% Microservices Architecture Services
    10% Mobile App Development
    10% UX/UI Design
    5% Call Center Services

    Focus Areas

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

    In Dhaka, Bangladesh and Dhaka, Bangladesh, Business Automation Ltd is a DevOps Managed Services company. The team focuses on DevOps Managed Services and UX/UI Design.

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  • Blues Brackets Logotype

    5.0 1 review
    $5,000+
    $50 - $99 / hr
    2 - 9
    Wrocław, Poland

    Services provided

    20% Web Development
    40% Custom Software Development
    20% IoT Development +1
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    30% C
    30% Kotlin +2
    20% Typescript
    10% Python

    Blues Brackets offers Website Development, including Web Design and Web Programming services. Their reviews emphasize a professional yet friendly approach, timely project completion, and a strong focus on modern technologies. Clients appreciate the flexibility, responsiveness to feedback, and the positive impact on customer acquisition and operational efficiency.

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  • InnCoders Logotype

    InnCoders

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Web Design
    10% Cloud Consulting & SI +6
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Strategy Consulting
    10% Mobile & App Marketing
    10% Mobile App Development
    10% Search Engine Optimization

    Focus Areas

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

    InnCoders is a web design agency founded in 2011. The small team offers Web Design and Custom Software Development.

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  • MBARC LABS Inc Logotype

    MBARC LABS Inc

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Custom Software Development
    25% IoT Development +3
    25% Mobile App Development
    5% AI Development
    5% E-Commerce Development

    Focus Areas

    10% JavaScript
    25% Swift
    15% PHP +7
    10% C
    10% Java
    10% Kotlin
    5% C++
    5% Objective C
    5% Python
    5% SQL

    MBARC LABS Inc is a software development firm established in 2012. The company offers Custom Software Development and IoT development.

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  • Keen To Design Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    55% Web Design
    15% E-Commerce Development +2
    10% Search Engine Optimization
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    80% PHP
    5% AJAX +1
    5% SQL

    Launched in 2014, Keen To Design is a web design agency. The team specializes in Web Design and Web Development.

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  • The Website Baba Logotype

    The Website Baba

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Web Design
    20% Graphic Design +3
    15% Branding
    15% E-Commerce Development
    10% UX/UI Design

    Focus Areas

    11% JavaScript
    11% AJAX
    11% PHP +10
    11% Python
    11% Swift
    6% C++
    6% Ember.js
    6% Objective C
    6% Perl
    6% Redux
    6% Ruby
    6% Visual Basic
    3% SQL

    Web design company The Website Baba was established in 2007. The company provides Web Design and Graphic Design.

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  • UI Pirate by Vishal Anand Logotype

    UI Pirate by Vishal Anand

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% UX/UI Design
    20% Custom Software Development +2
    20% Enterprise App Modernization
    20% Product Design

    Focus Areas

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

    UI Pirate by Vishal Anand, an user experience agency, is in Ranchi, India. Their services include UX/UI Design and Product Design.

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  • tweakco Logotype

    tweakco

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    10 - 49

    Services provided

    10% Web Development
    10% Custom Software Development
    10% IT Staff Augmentation +13
    10% Mobile App Development
    5% API Development
    5% Application Management & Support
    5% Application Testing
    5% Computer Engineering
    5% E-Commerce Development
    5% Enterprise App Modernization
    5% IT Managed Services
    5% Microservices Architecture Services
    5% Mobile & App Marketing
    5% Search Engine Optimization
    5% Social Media Marketing
    5% Wearable App Development

    Focus Areas

    10% JavaScript
    20% Other programming & scripting languages
    10% Ember.js +6
    10% Java
    10% Objective C
    10% PHP
    10% Python
    10% Swift
    10% Visual Basic

    Tweakco is an IT staff augmentation company. The small Edinburgh, Scotland-based team offers IT staff augmentation and Custom Software Development. The company was established in 2022.

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  • Marvel Digital Studio Logotype

    Marvel Digital Studio

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% E-Commerce Development
    10% AR/VR Development +6
    10% Branding
    10% Digital Strategy
    10% Marketing Strategy
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    13% JavaScript
    25% PHP
    25% Python +2
    24% SQL
    13% Java

    Marvel Digital Studio is an e-commerce development firm based in New York, New York. The team focuses on E-Commerce Development and Branding.

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  • Relictrio - Offshore Development center in India | Recruitment services | IT Services Logotype

    4.5 1 review
    $1,000+
    $25 - $49 / hr
    10 - 49
    Bengaluru, India

    Services provided

    10% Web Development
    25% IT Staff Augmentation
    20% Business Consulting +4
    20% IT Managed Services
    10% E-Commerce Development
    10% Mobile App Development
    5% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    20% SQL
    10% AJAX +6
    10% ASP.NET
    10% Java
    10% PHP
    10% Python
    10% Visual Basic
    10% XML

    Relictrio - Offshore Development center in India | Recruitment services | IT Services specializes in Website Development, Web Design, and Web Programming. Reviews highlight their professionalism, attention to detail, and effective project management. Clients particularly commend their ability to deliver high-quality, optimized websites that enhance online presence and client satisfaction.

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  • Sapdra Pvt. Ltd. Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Other Digital Marketing
    20% Search Engine Optimization +5
    10% Digital Strategy
    10% E-Commerce Development
    10% Mobile & App Marketing
    10% Mobile App Development
    10% Pay Per Click

    Focus Areas

    10% JavaScript
    30% PHP
    20% Java +3
    20% SQL
    10% ASP
    10% Other programming & scripting languages

    In Noida, India and Clearwater, Florida, Sapdra Pvt. Ltd. Is an Other Digital Marketing company. Established in 2011, the team focuses on Other Digital Marketing and Search Engine Optimization.

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  • Playdev Piotr Szary Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    Freelancer
    Bielicha, Poland

    Services provided

    25% Web Development
    35% E-Commerce Development
    10% Custom Software Development +3
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    40% C#
    30% PHP +2
    10% AJAX
    10% SQL

    Playdev Piotr Szary is a small Bielicha, Poland-based e-commerce development firm. The team offers E-Commerce Development and Web Development.

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  • One Touch Web Designs Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    22% JavaScript
    34% SQL
    33% PHP +1
    11% ASP

    One Touch Web Designs, an user experience design agency, was launched in 2013. The team specializes in UX/UI Design and E-Commerce Development.

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  • Digital SKYLINK Logotype

    Digital SKYLINK

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Digital Strategy
    15% Mobile App Development +6
    10% Content Marketing
    10% E-Commerce Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    22% JavaScript
    33% PHP
    22% SQL +2
    12% AJAX
    11% XML

    Digital SKYLINK, a small Digital Strategy company, is located in Ahmedabad, India. The team focuses on Digital Strategy and Mobile App Development.

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  • Prami Growth Agency Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Helsinki, Finland

    Services provided

    22% Web Development
    22% CRM Consulting and SI
    17% Web Design +16
    6% Content Marketing
    5% Email Marketing
    2% Account-Based Marketing
    2% Advertising
    2% Conversion Optimization
    2% Demand Generation Marketing
    2% Digital Strategy
    2% Fractional CMO Services
    2% Graphic Design
    2% Market Research
    2% Marketing Strategy
    2% Other Design
    2% Pay Per Click
    2% Search Engine Optimization
    2% Social Media Marketing
    2% UX/UI Design

    Focus Areas

    10% JavaScript
    80% Other programming & scripting languages
    10% jquery

    Content Marketing company Prami Growth Agency is headquartered in Helsinki, Finland. Their services include Content Marketing and Digital Strategy.

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  • TECHAX LABS LLP Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AR/VR Development
    20% Logo +7
    10% Web Design
    5% Custom Software Development
    5% E-Commerce Development
    5% Graphic Design
    5% Mobile App Development
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    12% JavaScript
    24% XML
    12% C# +6
    12% PHP
    12% Python
    12% SQL
    6% Java
    6% Swift
    4% AJAX

    TECHAX LABS LLP is a Logo company based in Patna, India and Kolkata, India. They offer Logo and Web Development.

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  • SpectreX Web Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Custom Software Development
    10% AI Development +5
    10% CRM Consulting and SI
    10% E-Commerce Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% UX/UI Design

    Focus Areas

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

    SpectreX Web is a software development company. The team is based in Miami, Florida, and their services include Custom Software Development and Search Engine Optimization.

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  • SEO UNIFIED Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    80% Search Engine Optimization
    5% Conversion Optimization +1
    5% Other Digital Marketing

    Focus Areas

    15% JavaScript
    55% PHP
    25% SQL +1
    5% Other programming & scripting languages

    SEO UNIFIED is a SEO services firm founded in 2020. The team specializes in Search Engine Optimization and Web Development and is in Bhubaneswar, India.

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  • IURCO Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    50 - 249
    Cañuelas, Argentina

    Services provided

    10% Web Development
    40% E-Commerce Development
    15% UX/UI Design +5
    10% AR/VR Development
    10% Custom Software Development
    5% AI Development
    5% Blockchain
    5% Mobile App Development

    Focus Areas

    11% JavaScript
    12% PHP
    11% Ember.js +6
    11% Java
    11% Other programming & scripting languages
    11% Python
    11% Redux
    11% Swift
    11% Typescript

    IURCO, an e-commerce development firm, is based in Cañuelas, Argentina. Founded in 2016, the team offers E-Commerce Development and UX/UI Design.

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  • WebDojo Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    15% Digital Strategy +3
    15% Logo
    15% Social Media Marketing
    15% Web Design

    Focus Areas

    15% JavaScript
    15% C#
    15% C++ +4
    15% Java
    15% PHP
    15% SQL
    10% Python

    WebDojo is an e-commerce development firm founded in 2017. The firm focuses on E-Commerce Development and Web Development, and is small.

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  • AW Technology dev Logotype

    AW Technology dev

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    2 - 9

    Services provided

    10% Web Development
    50% Custom Software Development
    20% E-Commerce Development +2
    15% Mobile App Development
    5% API Development

    Focus Areas

    25% JavaScript
    25% PHP
    25% Python +1
    25% SQL

    AW Technology dev, a software development firm, is based in Buenos Aires, Argentina. They focus on Custom Software Development and E-Commerce Development and were launched in 2023.

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  • Exaditama Teknologi Kreativa Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    10 - 49
    Bandung, Indonesia

    Services provided

    20% Web Development
    20% Mobile App Development
    10% AI Development +6
    10% Blockchain
    10% E-Commerce Development
    10% UX/UI Design
    10% Web Design
    5% BI & Big Data Consulting & SI
    5% IT Managed Services

    Focus Areas

    10% JavaScript
    20% Kotlin
    20% Python +4
    20% Swift
    10% Java
    10% PHP
    10% SQL

    Exaditama Teknologi Kreativa is a mobile application development company located in Bandung, Indonesia. They focus on Mobile App Development and Web Development.

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  • Aidnet Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    T'bilisi, Georgia

    Services provided

    20% Web Development
    20% Custom Software Development
    20% IT Staff Augmentation +3
    20% Mobile App Development
    10% E-Commerce Development
    10% Other Application Development

    Focus Areas

    10% JavaScript
    30% C#
    10% ASP.NET +5
    10% Java
    10% Kotlin
    10% SQL
    10% Swift
    10% Typescript

    Aidnet is an IT staff augmentation company. Founded in 2020, the agency provides IT staff augmentation and Custom Software Development.

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  • Volyo Solutions Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    10% Custom Software Development +7
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design
    5% Graphic Design
    5% Logo
    5% Mobile & App Marketing
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    30% PHP
    20% Python +3
    15% ASP.NET
    15% C#
    10% Java

    Small web development company Volyo Solutions , is headquartered in Jaipur, India. The team offers Web Development and E-Commerce Development.

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  • Mind by Gab Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Custom Software Development
    30% Mobile App Development +1
    30% UX/UI Design

    Focus Areas

    20% JavaScript
    35% Swift
    20% Java +2
    20% Python
    5% Other programming & scripting languages

    Mind by Gab is an UX design company based in Aventura, Florida. The team provides UX/UI Design and Custom Software Development.

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  • AppNexus Technology Pvt Ltd Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Web Design
    15% Mobile App Development +8
    10% Custom Software Development
    10% E-Commerce Development
    10% Search Engine Optimization
    5% Blockchain
    5% IT Strategy Consulting
    5% Low/No Code Development
    5% Other Application Development
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    25% PHP
    15% HTML5 +6
    10% Objective C
    10% Other programming & scripting languages
    10% Python
    10% SQL
    5% Go
    5% XML

    AppNexus Technology Pvt Ltd is a web design agency. The team specializes in Web Design and Mobile App Development, and the firm is in Noida, India.

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  • Zee Developer Logotype

    Zee Developer

    Not yet reviewed

    Undisclosed
    < $25 / hr
    Freelancer

    Services provided

    34% Web Development
    33% E-Commerce Development
    33% Web Design

    Focus Areas

    25% JavaScript
    50% HTML5
    15% Other programming & scripting languages +1
    10% PHP

    Zee Developer is a website development company. In Islamabad, Pakistan, their team offers Web Development and Web Design.

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  • Infinikey Media Private Limited Logotype

    5.0 1 review
    $5,000+
    Undisclosed
    10 - 49
    New Delhi, India

    Services provided

    10% Web Development
    10% Digital Strategy
    10% Pay Per Click +12
    10% Search Engine Optimization
    10% Web Design
    5% Content Marketing
    5% Ecommerce Marketing
    5% Email Marketing
    5% Graphic Design
    5% Logo
    5% Market Research
    5% Mobile & App Marketing
    5% Mobile App Development
    5% Other Digital Marketing
    5% Social Media Marketing

    Focus Areas

    15% JavaScript
    60% Other programming & scripting languages
    25% PHP

    Infinikey Media Private Limited offers SEO services, demonstrating expertise in increasing organic traffic, improving search rankings, and enhancing website conversions. Reviews highlight their professional team, timely project management, and notable attention to detail. Clients commend their innovative strategies and personalized approach, though some suggest more proactive communication could further enhance collaboration.

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  • QaiWare Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    10% Web Development
    10% API Development
    10% Application Management & Support +7
    10% Blockchain
    10% Custom Software Development
    10% Enterprise App Modernization
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Other Application Development

    Focus Areas

    15% JavaScript
    50% Java
    15% C# +4
    5% Objective C
    5% PHP
    5% Python
    5% Ruby

    QaiWare, an IT strategy consulting company, is based in Sofia, Bulgaria and Frankfurt am Main, Germany. The team offers IT strategy consulting and IT managed services.

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  • iColdo Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% E-Commerce Development
    25% Mobile App Development +3
    15% IT Strategy Consulting
    10% Custom Software Development
    10% Web Design

    Focus Areas

    15% JavaScript
    20% PHP
    15% Objective C +8
    10% C#
    10% Java
    5% AJAX
    5% C
    5% C++
    5% Python
    5% Swift
    5% XML

    IColdo, an e-commerce development firm, was launched in 2008. The small team provides E-Commerce Development and Mobile App Development.

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  • 1218 App Team Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    10 - 49
    San Diego, CA

    Services provided

    10% Web Development
    30% Mobile App Development
    25% Custom Software Development +6
    10% UX/UI Design
    5% AI Development
    5% Cloud Consulting & SI
    5% E-Commerce Development
    5% IoT Development
    5% Wearable App Development

    Focus Areas

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

    Established in 2013, 1218 App Team is a small mobile app development company. Their team provides Mobile App Development and Custom Software Development.

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  • STARLAB Logotype

    STARLAB

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Mobile App Development
    10% Custom Software Development +12
    5% AI Development
    5% AR/VR Development
    5% Application Management & Support
    5% CRM Consulting and SI
    5% ERP Consulting and SI
    5% Graphic Design
    5% IT Managed Services
    5% IT Strategy Consulting
    5% Logo
    5% Product Design
    5% UX/UI Design
    5% Web Design

    Focus Areas

    10% JavaScript
    20% Java
    10% Objective C +6
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% Ruby
    10% SQL
    10% Swift

    STARLAB is an app development firm launched in 2012. Their team offers Mobile App Development and Web Development.

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  • MintHC (Mint Harvey Cameron Group) Logotype

    Not yet reviewed

    $1,000+
    $200 - $300 / hr
    10 - 49
    Christchurch, New Zealand

    Services provided

    10% Web Development
    10% Marketing Strategy
    10% Pay Per Click +11
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design
    5% Advertising
    5% Conversion Optimization
    5% Digital Strategy
    5% E-Commerce Development
    5% Email Marketing
    5% Other Digital Marketing
    5% Social Media Marketing
    5% Video Production

    Focus Areas

    15% JavaScript
    70% PHP
    5% Java +2
    5% Typescript
    5% XML

    MintHC (Mint Harvey Cameron Group) is a Christchurch, New Zealand-based Marketing Strategy company. They specialize in Marketing Strategy and Search Engine Optimization.

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  • CODE STEW Logotype

    CODE STEW

    Not yet reviewed

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

    Services provided

    15% Web Development
    20% Call Center Services
    10% AI Development +6
    10% Custom Software Development
    10% Customer Service Outsourcing
    10% IT Staff Augmentation
    10% Low/No Code Development
    10% UX/UI Design
    5% Robotics Process Automation

    Focus Areas

    10% JavaScript
    10% Ember.js
    10% Kotlin +7
    10% Objective C
    10% PHP
    10% Python
    10% Redux
    10% Ruby
    10% SQL
    10% Swift

    CODE STEW is a call center company launched in 2022. The team offers Call Center Services and Web Development and is headquartered in Zirakpur, India.

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  • SoftgenTechnologies (p) ltd. Logotype

    SoftgenTechnologies (p) ltd.

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49

    Services provided

    15% Web Development
    15% Blockchain
    15% Custom Software Development +4
    15% E-Commerce Development
    15% IT Strategy Consulting
    15% Mobile App Development
    10% Cloud Consulting & SI

    Focus Areas

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

    Founded in 2010, SoftgenTechnologies (p) ltd. Is an IT strategy consulting company. Their services include IT strategy consulting and Custom Software Development.

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  • Buffer Stack Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    2 - 9
    Lahore, Pakistan

    Services provided

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

    Focus Areas

    11% JavaScript
    12% Kotlin
    11% Ember.js +6
    11% Java
    11% Other programming & scripting languages
    11% PHP
    11% Python
    11% Ruby
    11% Swift

    Buffer Stack offers Website Development, Web Design, and Web Programming services. Reviews highlight their expertise in creating fully functional and responsive websites, particularly with WordPress, and commend their outstanding project outcomes and impressive team quality. Clients appreciate their effective project management and clear communication.

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  • Michael Trombi Logotype

    Michael Trombi

    Not yet reviewed

    $1,000+
    < $25 / hr
    Freelancer

    Services provided

    15% Web Development
    40% Web Design
    10% Graphic Design +5
    10% IT Strategy Consulting
    10% Low/No Code Development
    5% Generative AI
    5% Logo
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    20% HTML5
    20% jquery +5
    15% XML
    10% Other programming & scripting languages
    10% PHP
    10% Perl
    5% SQL

    Small web design agency Michael Trombi, is based in Mesa, Arizona. Their services include Web Design and Web Development.

    Read more
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  • Innorise Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Yerevan, Armenia

    Services provided

    30% Web Development
    30% Mobile App Development
    10% Application Management & Support +3
    10% Application Testing
    10% Custom Software Development
    10% IT Strategy Consulting

    Focus Areas

    25% JavaScript
    25% Java
    25% SQL +1
    25% Swift

    Application development firm Innorise provides Mobile App Development and Web Development. They are headquartered in Yerevan, Armenia.

    Read more
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  • Mak Enterprises Logotype

    Not yet reviewed

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

    Services provided

    12% Web Development
    30% Web Design
    14% UX/UI Design +7
    10% E-Commerce Development
    10% Search Engine Optimization
    6% Mobile App Development
    5% Graphic Design
    5% Logo
    5% Pay Per Click
    3% Custom Software Development

    Focus Areas

    15% JavaScript
    50% PHP
    20% SQL +1
    15% AJAX

    Mak Enterprises is a small Mumbai, India-based web design agency. Their services include Web Design and UX/UI Design.

    Read more
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  • Piller Designs Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    25% JavaScript
    50% Other programming & scripting languages
    25% PHP

    Piller Designs is a small e-commerce development firm founded in 2002. Their team provides E-Commerce Development and Graphic Design.

    Read more
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  • Kyrylo Kostiukov Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% BI & Big Data Consulting & SI
    25% E-Commerce Development +1
    25% IT Managed Services

    Focus Areas

    20% JavaScript
    40% SQL
    30% PHP +1
    10% Python

    Big data analytics company Kyrylo Kostiukov is headquartered in München, Germany. Their services include BI & big data consulting & SI and IT managed services.

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  • 7LensCreative Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    10 - 49
    Pune, India

    Services provided

    10% Web Development
    25% Advertising
    10% AI Development +6
    10% AR/VR Development
    10% BI & Big Data Consulting & SI
    10% Mobile App Development
    10% Social Media Marketing
    10% Video Production
    5% Search Engine Optimization

    Focus Areas

    13% JavaScript
    50% Python
    25% Swift +1
    12% SQL

    Founded in 2020, 7LensCreative is an Advertising company. The agency provides Advertising and Social Media Marketing.

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  • Tryloop Solutions Logotype

    Tryloop Solutions

    5.0 1 review
    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    25% Web Development
    25% Mobile App Development
    10% Branding +6
    10% Custom Software Development
    10% UX/UI Design
    5% E-Commerce Development
    5% Graphic Design
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    50% PHP
    10% ASP.NET +3
    10% HTML5
    10% Kotlin
    10% Swift

    Tryloop Solutions offers Website Development and Mobile App Development services, delivering top-quality results through professional and efficient project management. Reviews highlight their ability to create visually stunning, user-friendly websites and functional mobile applications, with a strong emphasis on understanding client requirements and timely delivery.

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  • Akantro Logotype

    Akantro

    4.5 1 review
    $1,000+
    $150 - $199 / hr
    2 - 9

    Services provided

    10% Web Development
    20% Conversion Optimization
    20% E-Commerce Development +4
    20% UX/UI Design
    10% Application Testing
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    25% JavaScript
    20% SQL
    20% Typescript +2
    20% XML
    15% HTML5

    Akantro provides specialized services in Web Development, including the initial build and ongoing maintenance of websites and Shopify stores. The reviews underline Akantro's alignment with client values and emphasize their effective communication and project management. Clients appreciate their clear delegation and organization, although there is room for improvement in task time estimation.

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  • Neavant Logotype

    5.0 1 review
    $10,000+
    $25 - $49 / hr
    2 - 9
    Espoo, Finland

    Services provided

    20% Web Development
    20% AI Development
    20% Application Testing +2
    20% BI & Big Data Consulting & SI
    20% E-Commerce Development

    Focus Areas

    15% JavaScript
    15% Python
    15% Typescript +8
    10% PHP
    10% Ruby
    10% Swift
    5% AJAX
    5% C#
    5% Java
    5% Kotlin
    5% Redux

    Neavant is a Finnish software company founded on the premise that quality is imperative. We are your one-stop digital partner, from web and mobile apps to AI integration and system architecture.

    Read more
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  • Infinite Software, S.A. de C.V. Logotype

    Infinite Software, S.A. de C.V.

    Not yet reviewed

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

    Services provided

    15% Web Development
    75% Mobile App Development
    5% AR/VR Development +1
    5% E-Commerce Development

    Focus Areas

    20% JavaScript
    70% C#
    10% Swift

    Infinite Software, S.A. De C.V. Is a mobile application development company. Established in 2015, the team focuses on Mobile App Development and Web Development. The company is in El Salvador.

    Read more
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  • Mango Stack Logotype

    Mango Stack

    Not yet reviewed

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

    Services provided

    25% Web Development
    30% Mobile App Development
    20% Custom Software Development +3
    10% E-Commerce Development
    10% Enterprise App Modernization
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    40% PHP
    20% Java +3
    20% Swift
    5% AJAX
    5% XML

    Mango Stack is an application development company. Established in 2017, the agency is in Amsterdam, Netherlands. Their team focuses on Mobile App Development and Web Development.

    Read more
    View Profile
  • The Majordomo Logotype

    The Majordomo

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Custom Software Development
    15% Enterprise App Modernization +9
    15% Mobile App Development
    6% BI & Big Data Consulting & SI
    6% Cloud Consulting & SI
    6% IT Staff Augmentation
    6% IT Strategy Consulting
    6% Unified Communications Consulting & SI
    4% Product Design
    3% UX/UI Design
    3% Web Design

    Focus Areas

    20% JavaScript
    25% Objective C
    20% C# +3
    20% Other programming & scripting languages
    10% ASP.NET
    5% Swift

    The Majordomo is a software development company. The small Austin, Texas-based team focuses on Custom Software Development and Enterprise App Modernization. The firm was founded in 2008.

    Read more
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  • TechCognate Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    40% Search Engine Optimization
    30% Content Marketing +1
    15% Web Design

    Focus Areas

    20% JavaScript
    40% PHP
    20% SQL +1
    20% XML

    TechCognate is an Ahmedabad, India-based SEO agency. The team offers Search Engine Optimization and Content Marketing.

    Read more
    View Profile
  • Tyche Ventures Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% E-Commerce Development
    20% Web Design +4
    15% UX/UI Design
    5% Graphic Design
    5% Logo
    5% Video Production

    Focus Areas

    10% JavaScript
    60% PHP
    20% Other programming & scripting languages +1
    10% AJAX

    Tyche Ventures, a small e-commerce development firm, is in Kolhapur, India. Their services include E-Commerce Development and Web Development.

    Read more
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Ability to deliver
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Clutch Leaders Matrix

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

1 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
    View Profile Visit Website
  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
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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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