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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

22,063 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Featured

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    Digis, a Fiverr company (NYSE: FVRR) Logotype

    Digis, a Fiverr company (NYSE: FVRR)

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

    Services provided

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

    Focus Areas

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

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

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    Reviews mention Experienced

    The sentiment regarding Digis' experience is overwhelmingly positive. Clients praised their innovative and reliable team, with one stating, "Their experience and professionalism were admirable," and highlighting their ability to deliver on time and address issues promptly. Another client noted, "The quality and speed of work were impressive," emphasizing the organized approach and effective communication. Overall, clients express satisfaction with Digis' capabilities, suggesting only minor improvements could enhance their processes.
    • Cloud Software System for SaaS Market Platform
      5.0 Aug 17, 2021

      The team has been innovative and reliable. Their experience and professionalism were admirable. They delivered successfully and on time. Any problems or bugs were addressed quickly.

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    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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  • Bitmaster Logotype

    Bitmaster

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% E-Commerce Development +2
    20% IT Strategy Consulting
    20% Mobile App Development

    Focus Areas

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

    Bitmaster, an IT strategy consulting company, is headquartered in Toronto, Canada. Founded in 2024, the team provides IT strategy consulting and Custom Software Development.

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  • Digiblankcanvas Logotype

    Digiblankcanvas

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AI Development
    20% API Development +2
    20% Custom Software Development
    20% Mobile App Development

    Focus Areas

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

    Digiblankcanvas is a software development company. Established in 2020, the firm is based in New Delhi, India. Their team offers Custom Software Development and Web Development.

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  • Vision Marketing & Solutions Logotype

    Vision Marketing & Solutions

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% IT Managed Services +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

    20% JavaScript
    20% PHP
    20% Python +2
    20% SQL
    20% Visual Basic

    Vision Marketing & Solutions, a small web design agency, is in Tiranë, Albania. The team offers Web Design and UX/UI Design.

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  • MinimalX Logotype

    MinimalX

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +2
    20% Search Engine Optimization
    20% UX/UI Design

    Focus Areas

    20% JavaScript
    30% Typescript
    10% HTML5 +4
    10% Other programming & scripting languages
    10% Python
    10% Redux
    10% SQL

    SEO company MinimalX was launched in 2025. The team provides Search Engine Optimization and UX/UI Design and is in Delhi, India.

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  • Idroid App Studio Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    75% Mobile App Development

    Focus Areas

    10% JavaScript
    25% Other programming & scripting languages
    25% Swift +2
    20% Kotlin
    20% PHP

    Idroid App Studio is a mobile app development company based in Ahmedabad, India. Established in 2020, the team specializes in Mobile App Development and Web Development.

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  • Enchilab Logotype

    Enchilab

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Search Engine Optimization
    20% Graphic Design +2
    20% Pay Per Click
    20% Web Design

    Focus Areas

    25% JavaScript
    50% Ruby
    15% XML +1
    10% SQL

    Enchilab is a SEO agency. The small Barcelona, Spain-based team specializes in Search Engine Optimization and Graphic Design. The firm was launched in 2020.

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  • Elementor Expert Logotype

    5.0 2 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Miami Beach, FL

    Services provided

    20% Web Development
    40% UX/UI Design
    30% Web Design +1
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    40% PHP
    35% SQL +1
    15% AJAX

    Elementor Expert provides services in Website Development, Web Design, and Web Programming, focusing on creating and optimizing online platforms with technical expertise and creative design. Reviews highlight their effectiveness in enhancing website performance, user engagement, and SEO, alongside their professional project management and proactive communication, making them a highly recommended partner for web development needs.

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  • Webventure Development Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    București, Romania

    Services provided

    10% Web Development
    20% IT Staff Augmentation
    10% API Development +7
    10% Custom Software Development
    10% IT Strategy Consulting
    10% Low/No Code Development
    10% Microservices Architecture Services
    10% Mobile App Development
    5% AI Development
    5% Blockchain

    Focus Areas

    10% JavaScript
    30% PHP
    10% AJAX +5
    10% HTML5
    10% Kotlin
    10% Swift
    10% XML
    10% jquery

    IT staff augmentation company Webventure Development is located in București, Romania. Their services include IT staff augmentation and Custom Software Development.

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  • Visiomate Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    30% Custom Software Development
    25% IT Managed Services +4
    10% ERP Consulting and SI
    10% Mobile App Development
    5% CRM Consulting and SI
    5% E-Commerce Development

    Focus Areas

    15% JavaScript
    25% ASP.NET
    15% SQL +5
    10% C#
    10% Python
    10% Redux
    10% Typescript
    5% Swift

    Visiomate, a software development company, was established in 2017. The company offers Custom Software Development and IT managed services, and is small.

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  • ThiriSoft Consultancy Services Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Ahmedabad, India

    Services provided

    10% Web Development
    17% Custom Software Development
    10% Mobile App Development +12
    7% E-Commerce Development
    7% Enterprise App Modernization
    7% Web Design
    6% Application Management & Support
    6% IT Staff Augmentation
    5% AI Development
    5% Application Testing
    5% Other Application Development
    5% UX/UI Design
    4% Graphic Design
    3% IT Managed Services
    3% Other IT Consulting and SI

    Focus Areas

    15% JavaScript
    20% C#
    10% HTML5 +8
    10% Other programming & scripting languages
    10% PHP
    10% SQL
    5% AJAX
    5% ASP.NET
    5% Ember.js
    5% Typescript
    5% XML

    ThiriSoft Consultancy Services is a software development company. The Ahmedabad, India-based agency was launched in 2021. Their team offers Custom Software Development and Web Development.

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  • LLC "Cosnedge Tech" Logotype

    LLC "Cosnedge Tech"

    Not yet reviewed

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

    Services provided

    15% Web Development
    50% Custom Software Development
    20% Other Application Development +1
    15% API Development

    Focus Areas

    15% JavaScript
    50% C#
    25% ASP.NET +1
    10% HTML5

    LLC "Cosnedge Tech" is a custom software development firm established in 2022. The team provides Custom Software Development and Other Application Development and is in Dover, Delaware.

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  • Pagespace Logotype

    Pagespace

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Mobile App Development
    10% AR/VR Development +6
    10% E-Commerce Development
    10% Low/No Code Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    11% JavaScript
    12% Kotlin
    11% AJAX +6
    11% Java
    11% Objective C
    11% PHP
    11% SQL
    11% Swift
    11% Typescript

    Pagespace, a web design agency, provide Web Design and Mobile App Development. They were established in 2022.

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  • Babbage & Turing Logotype

    Babbage & Turing

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AR/VR Development
    20% Mobile App Development +5
    10% AI Development
    10% Custom Software Development
    10% Low/No Code Development
    5% AI Consulting
    5% Generative AI

    Focus Areas

    14% JavaScript
    14% Other programming & scripting languages
    14% PHP +5
    14% Redux
    14% Typescript
    14% UnrealScript
    9% Kotlin
    7% Ember.js

    In Palo Alto, California, Babbage & Turing is a custom software development firm. The team provides Custom Software Development and Web Development.

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  • Bytes & Bayes Logotype

    Not yet reviewed

    $10,000+
    $200 - $300 / hr
    2 - 9
    Evesham, NJ

    Services provided

    20% Web Development
    35% AI Consulting
    25% Generative AI +1
    20% Custom Software Development

    Focus Areas

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

    Established in 2024, Bytes & Bayes is a small AI Consulting company. Their services include AI Consulting and Generative AI.

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  • Conceptualize Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Search Engine Optimization
    15% UX/UI Design +8
    10% Conversion Optimization
    10% E-Commerce Development
    10% Mobile App Development
    10% Web Design
    8% Content Marketing
    8% Digital Strategy
    2% Email Marketing
    2% Video Production

    Focus Areas

    15% JavaScript
    50% PHP
    15% Python +2
    15% Swift
    5% Other programming & scripting languages

    Launched in 2014, Conceptualize is an UX design agency. The team specializes in UX/UI Design and Search Engine Optimization.

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  • RCM Digital Solutions Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Alberton, South Africa

    Services provided

    10% Web Development
    30% Search Engine Optimization
    20% Pay Per Click +4
    15% Social Media Marketing
    10% Low/No Code Development
    10% Web Design
    5% Mobile App Development

    Focus Areas

    11% JavaScript
    12% Kotlin
    11% C# +6
    11% Java
    11% Objective C
    11% PHP
    11% Python
    11% SQL
    11% Swift

    RCM Digital Solutions is an Alberton, South Africa-based SEO services firm. Founded in 2013, the team focuses on Search Engine Optimization and Pay Per Click.

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  • Several.pro Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    L'Hospitalet de Llobregat, Spain

    Services provided

    10% Web Development
    10% Branding
    10% Conversion Optimization +7
    10% Digital Strategy
    10% Graphic Design
    10% Packaging Design
    10% Product Design
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    25% PHP
    15% AJAX +3
    15% HTML5
    15% SQL
    15% jquery

    Founded in 2014, Several.pro is a branding company. The team provides Branding and Digital Strategy and is headquartered in L'Hospitalet de Llobregat, Spain and Madrid, Spain.

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  • Peacock Studios Logotype

    Not yet reviewed

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

    Services provided

    12% Web Development
    15% Application Management & Support
    15% UX/UI Design +9
    11% Custom Software Development
    10% Product Design
    6% Content Marketing
    6% Digital Strategy
    5% Advertising
    5% Branding
    5% Business Consulting
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    15% JavaScript
    60% ColdFusion
    15% SQL +1
    10% AJAX

    Launched in 2007, Peacock Studios, a small UX agency, is located in Odessa, Florida. Their services include UX/UI Design and Application Management & Support.

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  • Infitech Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    2 - 9
    Prague, Czech Republic

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Enterprise App Modernization +3
    20% Mobile App Development
    10% Custom Software Development
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    30% PHP
    20% Go +2
    20% XML
    10% Java

    Infitech is a custom software development company. In Prague, Czech Republic, the firm was founded in 2022. Their services include Custom Software Development and Web Development.

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  • GoSocial Indonesia - PT. Nusa Digital Media Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    25% Search Engine Optimization
    20% Social Media Marketing +6
    14% Low/No Code Development
    10% Digital Strategy
    10% Video Production
    5% Corporate Photography
    5% Graphic Design
    1% Web Design

    Focus Areas

    15% JavaScript
    15% PHP
    15% SQL +8
    10% Other programming & scripting languages
    10% Python
    10% Visual Basic
    5% C++
    5% Java
    5% Kotlin
    5% Perl
    5% Swift

    Launched in 2020, GoSocial Indonesia - PT. Nusa Digital Media is a SEO agency. The firm provides Search Engine Optimization and Social Media Marketing.

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  • Mile Development Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    2 - 9
    Belgrade, Serbia

    Services provided

    20% Web Development
    20% Mobile App Development
    18% UX/UI Design +3
    18% Web Design
    12% Application Testing
    12% IT Strategy Consulting

    Focus Areas

    15% JavaScript
    25% Kotlin
    25% Swift +3
    15% PHP
    10% Objective C
    10% SQL

    App development firm Mile Development was founded in 2019. The team focuses on Mobile App Development and Web Development.

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  • Consultor SEO y Marketing Digital Logotype

    Consultor SEO y Marketing Digital

    Not yet reviewed

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

    Services provided

    15% Web Development
    35% Search Engine Optimization
    15% E-Commerce Development +3
    15% Web Design
    10% Business Consulting
    10% Marketing Strategy

    Focus Areas

    20% JavaScript
    40% Other programming & scripting languages
    20% PHP +1
    20% SQL

    Established in 2015, Consultor SEO y Marketing Digital is a SEO services firm. The team specializes in Search Engine Optimization and Web Design.

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  • Creative Groot Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    10 - 49
    Eccles, England

    Services provided

    10% Web Development
    10% Advertising
    10% Social Media Marketing +15
    5% Branding
    5% Content Marketing
    5% Conversion Optimization
    5% E-Commerce Development
    5% Email Marketing
    5% Graphic Design
    5% Logo
    5% Mobile App Development
    5% Packaging Design
    5% Pay Per Click
    5% Product Design
    5% Search Engine Optimization
    5% Web Design
    3% Application Management & Support
    2% UX/UI Design

    Focus Areas

    20% JavaScript
    20% PHP
    20% Python +3
    15% C#
    15% C++
    10% Other programming & scripting languages

    We're a full-service Digital Marketing Agency comprised of a group of enthusiastic individuals that enjoy assisting small and medium-sized businesses in achieving their growth.

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  • Nextfunc Co., Ltd Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Ho Chi Minh City, Vietnam

    Services provided

    20% Web Development
    80% Mobile App Development

    Focus Areas

    10% JavaScript
    60% Other programming & scripting languages
    20% Swift +1
    10% Java

    Nextfunc Co., Ltd, a mobile app development firm, was established in 2015. In Ho Chi Minh City, Vietnam, the team provides Mobile App Development and Web Development.

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  • S Anjani infotech Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% E-Commerce Development +4
    20% Mobile App Development
    7% Graphic Design
    7% Web Design
    6% Logo

    Focus Areas

    10% JavaScript
    30% PHP
    20% Java +4
    10% AJAX
    10% ASP.NET
    10% Kotlin
    10% SQL

    S Anjani infotech is a software development firm. Established in 2018, the firm is in Rajkot, India. Their team specializes in Custom Software Development and E-Commerce Development.

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  • Shayan Solutions Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Lahore, Pakistan

    Services provided

    20% Web Development
    20% AI Development
    20% Custom Software Development +2
    20% E-Commerce Development
    20% Generative AI

    Focus Areas

    10% JavaScript
    10% HTML5
    10% Other programming & scripting languages +7
    10% PHP
    10% Python
    10% Redux
    10% SQL
    10% Typescript
    10% Visual Basic
    10% jquery

    Shayan Solutions is a custom software development firm. In Lahore, Pakistan, the team offers Custom Software Development and Web Development.

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  • Digi Opera Logotype

    Digi Opera

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    15% Web Development
    15% CRM Consulting and SI
    15% Mobile App Development +5
    15% Search Engine Optimization
    10% Custom Software Development
    10% E-Commerce Development
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    10% JavaScript
    30% Other programming & scripting languages
    10% ASP.NET +5
    10% C#
    10% Java
    10% PHP
    10% Python
    10% SQL

    Digi Opera is a SEO agency established in 2021. Their team provides Search Engine Optimization and Web Design.

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  • Oconee Software Logotype

    Oconee Software

    5.0 1 review
    $50,000+
    $100 - $149 / hr
    10 - 49

    Services provided

    24% Web Development
    50% Custom Software Development
    23% Mobile App Development +3
    1% Application Management & Support
    1% Enterprise App Modernization
    1% Other Application Development

    Focus Areas

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

    Oconee Software specializes in developing marketing planning applications using technologies such as Python, with capabilities across both Android and iOS platforms. Reviews highlight their strong communication, adherence to timelines, and the high quality of their deliverables, making them a reliable partner for tech solutions.

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  • Software Development UK Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% AI Development
    25% Custom Software Development +4
    15% Mobile App Development
    10% IoT Development
    5% AI Agents
    5% AI Consulting

    Focus Areas

    11% JavaScript
    32% C#
    16% C++ +4
    16% Python
    11% Java
    11% PHP
    3% SQL

    Software Development UK is a custom software development firm. The London, England-based agency was founded in 2021. Their team offers Custom Software Development and Artificial Intelligence.

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  • Cognefi Info Solutions Pvt Ltd . Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Secunderabad, India

    Services provided

    10% Web Development
    20% IT Strategy Consulting
    20% Other IT Consulting and SI +5
    10% Cybersecurity
    10% Digital Strategy
    10% Low/No Code Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    40% Apex
    10% Java +4
    10% PHP
    10% Ruby
    10% SQL
    10% XML

    Web design agency Cognefi Info Solutions Pvt Ltd. Was launched in 2022. The team offers Web Design and IT strategy consulting and is headquartered in Secunderabad, India.

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  • DMC, Inc. Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    50 - 249
    Chicago, IL

    Services provided

    10% Web Development
    40% Custom Software Development
    10% Application Testing +6
    10% CRM Consulting and SI
    10% Unified Communications Consulting & SI
    5% BI & Big Data Consulting & SI
    5% Cloud Consulting & SI
    5% IoT Development
    5% Mobile App Development

    Focus Areas

    10% JavaScript
    20% Other programming & scripting languages
    10% ASP.NET +6
    10% C#
    10% C++
    10% Java
    10% PHP
    10% Python
    10% SQL

    DMC, Inc., a custom software development firm, is based in Chicago, Illinois and Somerville, Massachusetts. The team provides Custom Software Development and CRM consulting and SI.

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  • Laraib Rabbani Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    50 - 249
    Karachi, Pakistan

    Services provided

    10% Web Development
    10% E-Commerce Development
    10% Ecommerce Marketing +8
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design
    5% Conversion Optimization
    5% Other Digital Marketing

    Focus Areas

    10% JavaScript
    20% PHP
    15% HTML5 +7
    10% AJAX
    10% C#
    10% SQL
    10% jquery
    5% ASP.NET
    5% Python
    5% Visual Basic

    Established in 2018, Laraib Rabbani is a social media marketing company. The company provides Social Media Marketing and Search Engine Optimization.

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  • Technofet Logotype

    Technofet

    4.8 2 reviews
    $1,000+
    < $25 / hr
    2 - 9

    Services provided

    20% Web Development
    30% Search Engine Optimization
    20% E-Commerce Development +3
    10% Low/No Code Development
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    10% JavaScript
    20% PHP
    20% Python +4
    20% SQL
    10% AJAX
    10% Other programming & scripting languages
    10% XML

    Technofet offers Website Development, Web Design, and Online Development services. The overall feedback highlights their professionalism, effective project management, and responsiveness to client needs. Clients appreciate Technofet's detailed planning, prompt communication, and ability to deliver tailored web solutions.

    See all 2 projects
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  • Yesterday Design Co. Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Branding
    25% Social Media Marketing +2
    20% Search Engine Optimization
    15% UX/UI Design

    Focus Areas

    15% JavaScript
    35% PHP
    30% SQL +3
    10% Swift
    5% AJAX
    5% XML

    Yesterday Design Co. Is a branding firm. Their small team is located in Toronto, Canada. Their services include Branding and Social Media Marketing.

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  • Digimix Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    2 - 9
    New York, NY

    Services provided

    10% Web Development
    10% Branding
    10% Content Marketing +7
    10% Corporate Photography
    10% Digital Strategy
    10% E-Commerce Development
    10% Search Engine Optimization
    10% UX/UI Design
    10% Video Production
    10% Web Design

    Focus Areas

    25% JavaScript
    35% PHP
    20% Ruby +2
    15% SQL
    5% Python

    Digimix is a New York, New York-based branding company. Launched in 2009, the team provides Branding and Digital Strategy.

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  • Kreate Digital Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% UX/UI Design
    20% Web Design +8
    5% Branding
    5% Content Marketing
    5% Digital Strategy
    5% Graphic Design
    5% Print Design
    5% Product Design
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    15% JavaScript
    15% AJAX
    15% Other programming & scripting languages +4
    15% PHP
    15% Redux
    15% SQL
    10% Ember.js

    Kreate Digital is an UX design company. Based in Chicago, Illinois, the agency was established in 2013. Their team offers UX/UI Design and Web Design.

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  • JuJu Media Logotype

    JuJu Media

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AR/VR Development
    20% Digital Strategy +2
    20% Mobile App Development
    20% UX/UI Design

    Focus Areas

    15% JavaScript
    15% AJAX
    15% Java +5
    15% PHP
    15% SQL
    10% Other programming & scripting languages
    10% Swift
    5% Objective C

    JuJu Media is an UX company. They are in London, England and Atlanta, Georgia, and their services include UX/UI Design and AR/VR development.

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  • Fuel.ie Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    2 - 9
    Dublin, Ireland

    Services provided

    20% Web Development
    40% Branding
    40% Web Design

    Focus Areas

    15% JavaScript
    60% PHP
    25% HTML5

    Fuel.ie is a small branding firm launched in 2001. Their team provides Branding and Web Design.

    Read more
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  • Empower Mobility Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    2 - 9
    Burlington, VT

    Services provided

    25% Web Development
    50% Mobile App Development
    25% Wearable App Development

    Focus Areas

    10% JavaScript
    20% C
    20% C++ +3
    20% Objective C
    20% Other programming & scripting languages
    10% Swift

    Empower Mobility, an application development firm, offers Mobile App Development and Wearable App Development. The company is located in Burlington, Vermont.

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  • Perceptiva Logotype

    Not yet reviewed

    $50,000+
    $25 - $49 / hr
    2 - 9
    Montevideo, Uruguay

    Services provided

    15% Web Development
    25% IT Strategy Consulting
    25% IoT Development +3
    15% Blockchain
    10% AR/VR Development
    10% Mobile App Development

    Focus Areas

    20% JavaScript
    50% Java
    20% C# +1
    10% Other programming & scripting languages

    IoT development company Perceptiva is in Montevideo, Uruguay. The team focuses on IoT development and IT strategy consulting.

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  • Webie Web Design & Development Ireland Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    30% Web Design
    15% E-Commerce Development +3
    15% Pay Per Click
    15% Search Engine Optimization
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    35% PHP
    25% SQL +1
    20% AJAX

    Webie Web Design & Development Ireland is a web design agency. The team focuses on Web Design and E-Commerce Development, and the firm is in Waterford, Ireland.

    Read more
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  • Axioma Estudio SAS Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Digital Strategy
    15% Web Design +6
    10% AI Development
    10% IT Strategy Consulting
    10% UX/UI Design
    5% BI & Big Data Consulting & SI
    5% Branding
    5% Graphic Design

    Focus Areas

    15% JavaScript
    25% PHP
    25% Python +3
    25% SQL
    5% AJAX
    5% Other programming & scripting languages

    Small Digital Strategy company Axioma Estudio SAS, is based in Bogotá, Colombia and Berlin, Germany. Their services include Digital Strategy and Web Development.

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  • Made for You Media, LLC Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    50% Web Design
    20% Search Engine Optimization +1
    10% Graphic Design

    Focus Areas

    15% JavaScript
    65% HTML5
    20% PHP

    Made for You Media, LLC, a web design company, was launched in 2010. The team provides Web Design and Search Engine Optimization.

    Read more
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  • Webonix Technology Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Web Design
    20% Custom Software Development +2
    15% Search Engine Optimization
    15% Social Media Marketing

    Focus Areas

    10% JavaScript
    50% PHP
    40% SQL

    Based in Meerut, India, Webonix Technology is a small web design company. The team offers Web Design and Web Development.

    Read more
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  • Nimbo Software Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Santa Cruz de Tenerife, Spain

    Services provided

    15% Web Development
    40% Web Design
    30% Custom Software Development +1
    15% Search Engine Optimization

    Focus Areas

    20% JavaScript
    50% PHP
    30% SQL

    Nimbo Software is a web design company launched in 2020. In Santa Cruz de Tenerife, Spain, the team focuses on Web Design and Custom Software Development.

    Read more
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  • Your Website Setup Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    10% Custom Software Development
    10% E-Commerce Development +11
    10% Low/No Code Development
    10% Web Design
    5% Branding
    5% Business Consulting
    5% Content Marketing
    5% Digital Strategy
    5% Email Marketing
    5% Graphic Design
    5% Logo
    5% Search Engine Optimization
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    40% PHP
    20% AJAX +1
    20% Other programming & scripting languages

    Your Website Setup is a web design agency. The Narangba, Australia-based company was founded in 2010. Their services include Web Design and Web Development.

    Read more
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  • DNA Web Studio Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    60% E-Commerce Development
    10% Low/No Code Development +6
    10% Web Design
    1% Ecommerce Marketing
    1% Pay Per Click
    1% Search Engine Optimization
    1% Social Media Marketing
    1% UX/UI Design

    Focus Areas

    20% JavaScript
    80% PHP

    DNA Web Studio is an e-commerce development company. They are based in Boston, England and have small team. They provide E-Commerce Development and Web Design.

    Read more
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  • Ambientech Softwares Logotype

    Ambientech Softwares

    Not yet reviewed

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

    Services provided

    25% Web Development
    35% Mobile App Development
    30% Blockchain +1
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    40% PHP
    20% SQL +3
    10% AJAX
    10% HTML5
    10% Typescript

    Website development company Ambientech Softwares is based in Jaipur, India. Their services include Web Development and Mobile App Development.

    Read more
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  • Digital Alchemy Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    2 - 9
    Matthews, NC

    Services provided

    20% Web Development
    20% Web Design
    15% Content Writing Services +8
    10% Search Engine Optimization
    5% Business Consulting
    5% Custom Software Development
    5% E-Commerce Development
    5% Marketing Strategy
    5% Mobile App Development
    5% Translation
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    35% HTML5
    35% PHP +2
    10% AJAX
    5% SQL

    Established in 2001, Digital Alchemy is a small Matthews, North Carolina-based web design company. Their team offers Web Design and Web Development.

    Read more
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  • Growth Squad Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    2 - 9
    Stuart, FL

    Services provided

    25% Web Development
    25% Search Engine Optimization
    25% Web Design +2
    15% Pay Per Click
    10% Business Consulting

    Focus Areas

    10% JavaScript
    25% PHP
    25% SQL +5
    15% HTML5
    10% jquery
    5% AJAX
    5% Other programming & scripting languages
    5% XML

    Established in 2016, Growth Squad is a small Stuart, Florida-based SEO agency. Their services include Search Engine Optimization and Web Design.

    Read more
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We evaluate service providers using a structured methodology that combines:

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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 Brainhub
4 The Software House
5 Xmartlabs
6 Airdev
7 WPWeb Infotech
8 Lizard Global
9 PopArt Studio
10 Softonix
11 GeekyAnts
12 INOXOFT
13 Scopic
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. 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
  12. 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
  13. Scopic Logotype

    Scopic

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

    Ability to deliver

    39.3/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    25% Web Development
    25% JavaScript
    75% 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
    View Profile Visit Website

Top JavaScript Development Agencies

A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.

Most agencies bundle multiple offerings so clients can access full product life-cycle support:

  • Discovery workshops & technical consulting
  • UI/UX design and prototyping
  • Front-end SPA or PWA development
  • Server-side development with Node.js or Deno
  • API design, GraphQL, and microservices architecture
  • QA automation & performance testing
  • DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
  • Post-launch maintenance and feature sprints

Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.

Clutch data shows project budgets range widely:

  • MVP or small web app - $15,000–$50,000
  • Mid-size product build - $50,000–$200,000
  • Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.

  • Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
  • Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
  • Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
  • Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
  • Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.

Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.

  • Guaranteed timelines without discovery
  • No access to source code repositories during the engagement
  • Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
  • Low developer retention or high turnover
  • Vague pricing models or hidden fees

If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution

  • Which JavaScript frameworks do you specialize in, and why?
  • Can you walk me through a recent project with similar complexity?
  • How do you ensure code quality—linting, peer reviews, automated tests?
  • What is your approach to scalability and performance optimization?
  • How will we communicate and track progress (tools, meeting cadence)?
  • Who owns the intellectual property and source code upon project completion?

Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.

A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.

Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.

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