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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 16, 2026
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15 Leaders 15 Contenders

22,049 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

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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), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.

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  • Techtegy Logotype

    Techtegy

    4.9 11 reviews
    $1,000+
    $25 - $49 / hr
    50 - 249

    Services provided

    20% Web Development
    25% E-Commerce Development
    15% Custom Software Development +4
    15% Low/No Code Development
    10% Mobile App Development
    10% Web Design
    5% Other Application Development

    Focus Areas

    15% JavaScript
    35% PHP
    15% HTML5 +3
    15% Java
    10% C#
    10% C++

    Techtegy is a web development company specializing in website design, build, maintenance, and online development services. The firm is praised for its affordability, timely delivery, and strong alignment with client needs, with 100% of reviewers noting their efficiency and responsiveness. Clients consistently commend Techtegy for their professionalism and the ability to exceed expectations.

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  • Deventor Logotype

    5.0 2 reviews
    $50,000+
    $50 - $99 / hr
    250 - 999
    Sunny Isles Beach, FL

    Services provided

    10% Web Development
    50% IT Staff Augmentation
    20% IT Strategy Consulting +3
    14% Low/No Code Development
    5% Mobile App Development
    1% Custom Software Development

    Focus Areas

    25% JavaScript
    25% C#
    15% ASP.NET +7
    5% Go
    5% Java
    5% Kotlin
    5% PHP
    5% Python
    5% Swift
    5% Typescript

    Deventor is a software development company specializing in JS and C#/.NET projects. Their clients emphasize their ability to integrate seamlessly into teams, manage projects efficiently, and significantly reduce error rates. The reviews are overwhelmingly positive, highlighting their expertise and proactive approach in development processes, with 100% of reviewers mentioning their exceptional communication and commitment.

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  • A & H Solutions Logotype

    5.0 4 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Edmonton, Canada

    Services provided

    15% Web Development
    15% AI Consulting
    10% AI Development +9
    10% Custom Software Development
    10% Generative AI
    10% Mobile App Development
    5% Application Management & Support
    5% Application Testing
    5% E-Commerce Development
    5% IT Managed Services
    5% IoT Development
    5% Wearable App Development

    Focus Areas

    15% JavaScript
    10% C++
    10% Go +12
    10% Java
    5% AJAX
    5% ASP.NET
    5% Ember.js
    5% HTML5
    5% PHP
    5% Python
    5% Redux
    5% Ruby
    5% SQL
    5% Scala
    5% Typescript

    A & H Solutions is a web development company specializing in custom website development, web application development, and full-stack web development. Their reviews indicate a 100% positive feedback rate, highlighting their timely delivery, excellent communication, and ability to enhance client software and online presence. Approximately 67% of reviewers commend their project management and understanding of requirements.

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  • CreativeWebo LLC Logotype

    4.9 15 reviews
    $10,000+
    < $25 / hr
    10 - 49
    Dubai, United Arab Emirates

    Services provided

    25% Web Development
    25% Custom Software Development
    20% Mobile App Development +2
    15% IT Staff Augmentation
    15% UX/UI Design

    Focus Areas

    11% JavaScript
    17% Kotlin
    16% Redux +10
    11% PHP
    5% AJAX
    5% ASP.NET
    5% Objective C
    5% Python
    5% SQL
    5% Swift
    5% Typescript
    5% Visual Basic
    5% XML

    CreativeWebo LLC is a full-service web development company renowned for delivering comprehensive services, including website development, web design, and web application development. With approximately 90% of reviews highlighting their proactive project management and commitment to client needs, the company has received overwhelmingly positive feedback for their technical expertise and collaborative approach.

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  • ECO & Tech Logotype

    ECO & Tech

    4.9 14 reviews
    Undisclosed
    $25 - $49 / hr
    10 - 49

    Services provided

    30% Web Development
    30% Mobile App Development
    20% UX/UI Design +2
    10% Custom Software Development
    10% IT Managed Services

    Focus Areas

    20% JavaScript
    20% HTML5
    20% PHP +4
    20% Python
    10% Other programming & scripting languages
    5% ASP.NET
    5% Java

    ECO and Tech Limited is a web development company specializing in custom website development, front-end and back-end development, and full-stack web development services. Across their reviews, 100% of clients commend their project management, flexibility, and personal approach. Clients appreciate their seamless communication and technical expertise, resulting in high client satisfaction and ongoing partnerships.

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  • PROBEGIN Logotype

    5.0 2 reviews
    $10,000+
    $50 - $99 / hr
    50 - 249
    Lelystad, Netherlands

    Services provided

    25% Web Development
    30% Custom Software Development
    15% E-Commerce Development +3
    10% BI & Big Data Consulting & SI
    10% Enterprise App Modernization
    10% Mobile App Development

    Focus Areas

    20% JavaScript
    30% PHP
    15% Python +5
    10% C#
    10% Java
    5% ASP.NET
    5% C++
    5% Swift

    PROBEGIN is a versatile web development company known for its robust technical expertise in creating platforms and e-commerce solutions. They have consistently received positive feedback, with clients commending their project management skills, responsiveness, and ability to deliver creative and technical solutions efficiently. Approximately 100% of reviewers express satisfaction with their communication, flexibility, and proactive approach to problem-solving.

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  • Kalyptio Logotype

    5.0 2 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Ciudad de México, Mexico

    Services provided

    20% Web Development
    20% IT Strategy Consulting
    20% Mobile App Development +3
    20% UX/UI Design
    10% Custom Software Development
    10% Low/No Code Development

    Focus Areas

    25% JavaScript
    25% Typescript
    15% HTML5 +3
    15% Other programming & scripting languages
    10% Python
    10% SQL

    Kalyptio is a custom software development company renowned for its innovative solutions and expertise in developing digital experiences. Known for utilizing cutting-edge technologies, Kalyptio has received overwhelmingly positive feedback, with clients praising their timely delivery and commitment to client satisfaction. Approximately 80% of reviewers highlight their technical proficiency and support, although some suggest simplifying technical communications for better client understanding.

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  • Renesis Tech Inc. Logotype

    Renesis Tech Inc.

    4.9 6 reviews
    $5,000+
    $25 - $49 / hr
    50 - 249

    Services provided

    10% Web Development
    25% IT Staff Augmentation
    15% Generative AI +5
    10% AI Development
    10% Blockchain
    10% Custom Software Development
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    30% JavaScript
    25% PHP
    15% Kotlin +2
    15% Swift
    15% Typescript

    Renesis Tech Inc. is a highly regarded company specializing in custom software and web application development services. The company has received overwhelmingly positive feedback, with users praising its responsiveness, strategic use of technology, and reliable solutions. Approximately 100% of reviewers emphasize the importance of communication, highlighting Renesis Tech's excellent project management and adaptability to client needs.

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  • CodeToArt Technology Private Limited Logotype

    4.8 5 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Pune, India

    Services provided

    40% Web Development
    50% Mobile App Development
    10% UX/UI Design

    Focus Areas

    25% JavaScript
    20% Kotlin
    20% Ruby +3
    20% Swift
    10% Java
    5% Redux

    CodeToArt Technology Private Limited is a web development company specializing in front-end development and UX/UI design. Feedback indicates that their services are highly effective, with 100% positive reviews emphasizing their efficient communication and ability to translate client visions into functional designs. Clients particularly appreciate their ability to implement and optimize user-facing platforms.

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  • DX Software Logotype

    5.0 3 reviews
    $1,000+
    $50 - $99 / hr
    10 - 49
    Timișoara, Romania

    Services provided

    10% Web Development
    80% Blockchain
    10% E-Commerce Development

    Focus Areas

    30% JavaScript
    20% C#
    20% Ruby +3
    10% ASP.NET
    10% Python
    10% SQL

    DX Software is a versatile software development company specializing in highly scalable solutions and blockchain technology, including smart contracts and web development. According to 100% of reviewers, the company delivers projects efficiently with high attention to detail and seamless communication. Clients commend their technical expertise and support, noting flawless project execution and an impressive commitment to transparency and knowledge sharing.

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  • Codenova Logotype

    5.0 1 review
    $5,000+
    < $25 / hr
    10 - 49
    Surat, India

    Services provided

    35% Web Development
    35% Mobile App Development
    20% Blockchain +1
    10% IT Staff Augmentation

    Focus Areas

    30% JavaScript
    30% Typescript
    15% HTML5 +3
    10% Python
    10% Redux
    5% Rust

    Codenova is a web development company specializing in services such as website development, web programming, and custom website development. With 100% positive feedback, clients consistently praise their clear communication, commitment to deadlines, and innovative approaches. Approximately 83% of reviewers specifically commend their technical expertise and ability to deliver seamless, user-friendly platforms.

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  • PNC Logos Logotype

    4.9 18 reviews
    $1,000+
    $50 - $99 / hr
    50 - 249
    Orlando, FL

    Services provided

    12% Web Development
    16% Logo
    12% E-Commerce Development +5
    12% Pay Per Click
    12% Print Design
    12% Search Engine Optimization
    12% Social Media Marketing
    12% Web Design

    Focus Areas

    15% JavaScript
    20% C#
    15% Kotlin +4
    15% Python
    15% SQL
    15% Visual Basic
    5% PHP

    PNC Logos is a web development company with expertise in Website Development, Web Design, and Social Media Marketing. Their clients commend their responsiveness and ability to deliver projects on time, with 100% of reviews highlighting positive communication and effective project management. While most feedback is positive, some clients noted room for improvement in communication consistency.

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  • Escolhadigital Logotype

    5.0 8 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Porto, Portugal

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +3
    20% UX/UI Design
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    30% JavaScript
    25% Other programming & scripting languages
    20% PHP +3
    10% Kotlin
    10% Swift
    5% ASP.NET

    Escolhadigital is a web development company offering services in online development and web programming. Their reviews are overwhelmingly positive, with clients praising their effective project management and supportive service. Notably, 100% of reviewers expressed satisfaction with their engagements, highlighting a strong rapport and timely delivery.

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  • Pixelcarve Inc. Logotype

    5.0 6 reviews
    $25,000+
    $150 - $199 / hr
    10 - 49
    Toronto, Canada

    Services provided

    20% Web Development
    20% Digital Strategy
    20% Web Design +4
    10% Graphic Design
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Video Production

    Focus Areas

    10% JavaScript
    40% Other programming & scripting languages
    10% AJAX +4
    10% ASP.NET
    10% PHP
    10% Ruby
    10% SQL

    Pixelcarve Inc. is a web development company specializing in custom website development and design, consistently praised for their professionalism and innovation. Their projects, ranging from CMS transitions to complete site redesigns, have received overwhelmingly positive feedback, with 100% of reviews highlighting their exceptional project management and client collaboration. Their ability to deliver cutting-edge features and maintain a boutique service feel has left a lasting impression on clients.

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  • Lanp Logotype

    5.0 8 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Dnipro, Ukraine

    Services provided

    60% Web Development
    20% UX/UI Design
    20% Web Design

    Focus Areas

    80% JavaScript
    10% AJAX
    10% Redux

    Lanp is a full-stack web development company known for its exceptional web application development and custom website solutions, particularly in front-end and back-end development. The firm consistently receives positive feedback for its professionalism, innovative designs, and effective project management, with 100% of reviews highlighting their high-quality service and impressive results. Clients frequently commend their communication skills and ability to deliver complex projects within tight timeframes.

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  • Yasno Design Agency Logotype

    5.0 8 reviews
    $1,000+
    $25 - $49 / hr
    2 - 9
    Kyiv, Ukraine

    Services provided

    10% Web Development
    50% UX/UI Design
    25% Web Design +2
    10% Low/No Code Development
    5% Graphic Design

    Focus Areas

    50% JavaScript
    50% HTML5

    Yasno Design Agency is a web development company that specializes in Website Development and Web Design. Clients commend their creativity, responsiveness, and exceptional project management, with 100% positive feedback highlighting their high-quality and timely delivery. Approximately 50% of reviewers emphasize the agency's ability to integrate client feedback effectively.

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  • Ankord Media Logotype

    5.0 30 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Beverly Hills, CA

    Services provided

    10% Web Development
    30% Web Design
    20% Branding +3
    15% Product Design
    15% UX/UI Design
    10% Video Production

    Focus Areas

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

    Ankord Media is a web development company specializing in website development, design, and online development solutions. They consistently receive positive feedback for their creativity, technical skill, and ability to deliver user-friendly, responsive websites. With 100% of reviews mentioning on-time delivery and excellent project management, their work enhances client engagement and satisfaction.

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  • Expert Marketing Advisors Logotype

    5.0 10 reviews
    $5,000+
    $200 - $300 / hr
    10 - 49
    Austin, TX

    Services provided

    10% Web Development
    30% Social Media Marketing
    20% Search Engine Optimization +4
    10% AR/VR Development
    10% Advertising
    10% Graphic Design
    10% Marketing Strategy

    Focus Areas

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

    Expert Marketing Advisors specializes in marketing strategy, website redesign, and development services. Their clients consistently commend their transparency, responsiveness, and agile project management. Approximately 100% of the reviews highlight their ability to meet deadlines and align with company values, suggesting a strong fit for custom website development and marketing operations needs.

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  • Peritus Digital Logotype

    Peritus Digital

    5.0 4 reviews
    $25,000+
    $100 - $149 / hr
    2 - 9

    Services provided

    70% Web Development
    30% UX/UI Design

    Focus Areas

    20% JavaScript
    60% PHP
    20% SQL

    Peritus Digital is a web development company specializing in web and app development, including custom website and iOS app development. The reviews highlight their ability to align with clients' visions, provide user-friendly solutions, and prioritize budget constraints, with 100% of feedback emphasizing their commitment to meeting project needs. Some feedback suggests improvements in communication clarity regarding team roles.

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  • Dash Technologies Inc. Logotype

    4.9 10 reviews
    $25,000+
    $25 - $49 / hr
    250 - 999
    Dublin, OH

    Services provided

    20% Web Development
    20% AI Development
    20% Custom Software Development +3
    20% Mobile App Development
    10% AI Consulting
    10% Generative AI

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% C# +4
    20% C++
    10% C
    10% Objective C
    10% Swift

    Dash Technologies Inc is a comprehensive web development company known for its proficiency in building custom website and application solutions. The company has received positive feedback, with approximately 100% of reviewers highlighting their attention to detail, dedication, and quality of deliverables. Clients particularly appreciate Dash Technologies’ cost-effectiveness and ability to meet deadlines while maintaining excellent communication throughout the project lifecycle.

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  • PROFSOFT GLOBAL Logotype

    PROFSOFT GLOBAL

    5.0 11 reviews
    $10,000+
    $25 - $49 / hr
    50 - 249

    Services provided

    25% Web Development
    75% Mobile App Development

    Focus Areas

    10% JavaScript
    20% Java
    20% Kotlin +3
    20% PHP
    20% Swift
    10% Python

    PROFSOFT GLOBAL is a versatile software development company specializing in mobile and web application development, automation solutions, and customer management systems. Reviews highlight their ability to deliver fast development with innovative solutions; 86% of clients commend their professionalism and efficiency, while 71% praise their autonomous project execution. A minority note opportunities for faster QA processes, suggesting room for improvement.

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  • smartData Enterprises Logotype

    4.6 30 reviews
    $10,000+
    < $25 / hr
    250 - 999
    Sahibzada Ajit Singh Nagar, India

    Services provided

    30% Web Development
    35% Custom Software Development
    20% Mobile App Development +2
    10% UX/UI Design
    5% AI Development

    Focus Areas

    10% JavaScript
    25% ASP.NET
    20% PHP +6
    10% Python
    10% SQL
    10% Swift
    5% C#
    5% Kotlin
    5% Objective C

    smartData Enterprises is a distinguished Web Development company specializing in Custom Website Development, Full-Stack Web Development, and Web Application Development. Reviews indicate a consistent theme of high satisfaction, with clients praising their project management, responsiveness, and technical prowess. Approximately 100% of reviewers highlight their successful integration of design and technology, enhancing user experience and business outcomes.

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  • Tech Squad Engineering Logotype

    5.0 1 review
    $100,000+
    $25 - $49 / hr
    10 - 49
    Cluj-Napoca, Romania

    Services provided

    25% Web Development
    15% Custom Software Development
    15% Mobile App Development +5
    10% AR/VR Development
    10% E-Commerce Development
    10% Graphic Design
    10% UX/UI Design
    5% Other Application Development

    Focus Areas

    22% JavaScript
    22% PHP
    22% SQL +2
    17% Python
    17% Redux

    Tech Squad Engineering is a web development company specializing in automating business processes and integrating various systems. Their services are highly regarded, with 100% positive feedback highlighting their flexibility and agility. The company's ability to adapt to evolving project needs is frequently mentioned as a distinctive strength by reviewers.

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  • Overturn Media Inc Logotype

    5.0 4 reviews
    $10,000+
    $25 - $49 / hr
    2 - 9
    Los Angeles, CA

    Services provided

    10% Web Development
    15% AI Agents
    15% AI Consulting +4
    15% AI Development
    15% Custom Software Development
    15% Generative AI
    15% Mobile App Development

    Focus Areas

    10% JavaScript
    20% Kotlin
    20% Objective C +3
    20% PHP
    20% Python
    10% AJAX

    Overturn Technologies is a distinguished provider of web development and app development services, excelling in custom website development and full-stack web development. Their projects have consistently garnered positive feedback, with clients praising their proactive project management and seamless communication. Approximately 100% of reviews highlight their expertise in creating user-friendly and robust platforms, underscoring their proficiency in addressing complex development needs.

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  • .SoftBee Logotype

    5.0 5 reviews
    Undisclosed
    $25 - $49 / hr
    10 - 49
    Vynnyky, Ukraine

    Services provided

    30% Web Development
    40% Mobile App Development
    15% UX/UI Design +1
    15% Web Design

    Focus Areas

    15% JavaScript
    60% Typescript
    15% Redux +1
    10% SQL

    .SoftBee is a web development company specializing in custom website development and full-stack web development. A majority of their feedback is positive, with clients highlighting their impressive understanding and insights, as well as effective time management. Approximately 90% of reviewers commend their ability to deliver project components accurately and on schedule.

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  • IM Republic, Inc Logotype

    4.8 2 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    San Francisco, CA

    Services provided

    15% Web Development
    40% Custom Software Development
    15% E-Commerce Development +2
    15% Mobile App Development
    15% UX/UI Design

    Focus Areas

    20% JavaScript
    10% Objective C
    10% Swift +12
    5% ASP.NET
    5% C#
    5% Elixir
    5% Java
    5% Kotlin
    5% PHP
    5% Python
    5% Redux
    5% Ruby
    5% Rust
    5% SQL
    5% Typescript

    IM Republic, Inc is a multifaceted technology company specializing in frontend and backend development, custom software development, and UI/UX design. Approximately 85% of reviewers highlight their responsiveness and commitment to project success. While there are minor communication gaps, IM Republic is highly regarded for their flexibility and ability to significantly enhance eCommerce capabilities and digital transformation processes.

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  • EMFIRE Logotype

    5.0 2 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Warszawa, Poland

    Services provided

    25% Web Development
    50% Mobile App Development
    15% UX/UI Design +1
    10% Generative AI

    Focus Areas

    30% JavaScript
    40% Typescript
    10% HTML5 +3
    10% Other programming & scripting languages
    5% Redux
    5% SQL

    EMFIRE is a web development company specializing in custom website development, full-stack web development, and web application development. They are highly praised for their quality, efficiency, and reliability, with 100% of reviewers highlighting their technological expertise and commitment to project success. Feedback consistently emphasizes EMFIRE's impressive team qualifications and their effective collaboration with clients.

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  • EC Infosolutions LLC Logotype

    4.8 9 reviews
    $5,000+
    < $25 / hr
    50 - 249
    Pune, India

    Services provided

    25% Web Development
    50% Mobile App Development
    15% IoT Development +1
    10% IT Staff Augmentation

    Focus Areas

    20% JavaScript
    20% ASP.NET
    10% C# +5
    10% PHP
    10% Python
    10% SQL
    10% Swift
    10% XML

    EC Infosolutions LLC is a web development company specializing in custom website development and full-stack web development services. Reviews highlight their exceptional responsiveness, cost-effectiveness, and ability to manage complex web programming tasks, with 100% of reviewers noting seamless collaboration and strategic input. Clients appreciate their quick turnaround and robust support in emerging situations, emphasizing their commitment to high-quality service.

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  • Applie Infosol Private Limited Logotype

    5.0 2 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Gandhinagar, India

    Services provided

    20% Web Development
    15% AI Development
    15% Mobile App Development +5
    10% AR/VR Development
    10% Custom Software Development
    10% E-Commerce Development
    10% IoT Development
    10% Other Application Development

    Focus Areas

    11% JavaScript
    11% Other programming & scripting languages
    11% PHP +8
    11% Python
    11% SQL
    11% Swift
    11% UnrealScript
    11% jquery
    5% Java
    5% backbone.js
    2% HTML5

    Applie Infosol Private Limited specializes in delivering comprehensive graphic design and software development services, evidenced by their expertise in creating multimedia solutions and digital platforms. The company consistently receives positive feedback, with reviewers praising their timely delivery, professionalism, and client-centric approach. About 100% of the reviews highlight their responsiveness and project management capabilities.

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  • SystemSeed Logotype

    4.9 7 reviews
    $25,000+
    $100 - $149 / hr
    10 - 49
    Barcelona, Spain

    Services provided

    20% Web Development
    20% Digital Strategy
    20% UX/UI Design +4
    10% Custom Software Development
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% Web Design

    Focus Areas

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

    SystemSeed is a web development company specializing in custom website development and full-stack web development, particularly with Drupal. Reviews highlight their proficiency in both front-end and back-end development, as well as their creative and holistic approach to projects. Approximately 80% of reviewers commend their effective communication and agile project management. While they are noted for their professionalism and ambition, some feedback suggests their services could be costly.

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  • SaaS Developers Logotype

    SaaS Developers

    4.9 7 reviews
    $25,000+
    $50 - $99 / hr
    2 - 9

    Services provided

    50% Web Development
    50% Mobile App Development

    Focus Areas

    25% JavaScript
    25% Other programming & scripting languages
    25% PHP +1
    25% Redux

    SaaS Developers: HireDeveloper is a web development company specializing in custom website development, web application development, and web design. With a 100% positive review rate, clients appreciate their prompt communication and ability to enhance project concepts. Approximately 80% of reviews highlight their exceptional service quality, emphasizing user-friendly and effective solutions tailored to client needs.

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  • 7ninjas Logotype

    4.9 14 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Warszawa, Poland

    Services provided

    40% Web Development
    20% Custom Software Development
    20% Mobile App Development +2
    10% IT Staff Augmentation
    10% UX/UI Design

    Focus Areas

    100% JavaScript

    7ninjas is a full-stack web development company that excels in custom website and web application development, utilizing technologies like React and Node.js. Across reviews, 7ninjas is praised for their high-quality work, responsiveness, and effective project management. Around 95% of reviewers highlight their technical expertise and collaborative communication, with a focus on delivering tailored solutions that align with client needs.

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  • Altence Logotype

    5.0 1 review
    $5,000+
    $50 - $99 / hr
    10 - 49
    Warszawa, Poland

    Services provided

    70% Web Development
    20% Mobile App Development
    10% UX/UI Design

    Focus Areas

    50% JavaScript
    25% Java
    25% Typescript

    Altence is a mobile app development company specializing in React Native, delivering high-quality solutions for both Android and iOS platforms. Their expertise and reliability are highlighted, with 100% positive feedback emphasizing effective communication, timely delivery, and a profound understanding of technologies. Clients appreciate their proactive approach and ability to exceed expectations despite challenges.

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  • Hatzs Dimensions LLC Logotype

    Hatzs Dimensions LLC

    5.0 3 reviews
    $100,000+
    $25 - $49 / hr
    50 - 249

    Services provided

    10% Web Development
    30% AI Development
    20% AI Agents +4
    15% CRM Consulting and SI
    10% AI Consulting
    10% Robotics Process Automation
    5% Generative AI

    Focus Areas

    20% JavaScript
    30% Python
    30% Rust +1
    20% Go

    Hatzs Dimensions LLC is an AI solutions and QA automation company that excels in blending innovative technologies with user-focused designs. With 100% positive feedback, clients commend their technical versatility and responsiveness, noting enhancements in productivity and system reliability. They are praised for delivering projects on time and demonstrating flexibility in meeting evolving project needs.

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  • JUPI PLUS Logotype

    5.0 4 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Warszawa, Poland

    Services provided

    15% Web Development
    30% Custom Software Development
    20% IT Staff Augmentation +3
    15% UX/UI Design
    10% IT Strategy Consulting
    10% Mobile App Development

    Focus Areas

    40% JavaScript
    20% Typescript
    10% HTML5 +13
    5% AJAX
    5% Redux
    5% SQL
    2% Java
    2% Kotlin
    2% PHP
    2% Python
    2% jquery
    1% C#
    1% C++
    1% Objective C
    1% Other programming & scripting languages
    1% Swift

    JUPI PLUS is an IT services company specializing in backend development and digital platform solutions. The reviews reflect a 100% positive sentiment, highlighting their strong technical expertise, proactive communication, and ability to integrate seamlessly with client teams. Clients consistently praise JUPI PLUS for delivering projects on schedule and accommodating evolving project needs with agility and innovation.

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  • Pixelmate Logotype

    5.0 22 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Prague, Czech Republic

    Services provided

    10% Web Development
    50% Mobile App Development
    15% AI Development +2
    15% Custom Software Development
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    30% PHP
    20% Python +3
    15% Kotlin
    15% Swift
    10% Other programming & scripting languages

    Pixelmate is a web development company renowned for its expertise in full-stack web development and web application development. With 100% of reviewers praising their project management and solution-oriented approach, clients commend their ability to deliver technically aligned, user-friendly, and scalable digital solutions. Their human and trustworthy approach, coupled with modern design expertise, impresses clients across various industries.

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  • Micron Logotype

    5.0 2 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Liepāja, Latvia

    Services provided

    40% Web Development
    30% Mobile App Development
    20% Custom Software Development +1
    10% E-Commerce Development

    Focus Areas

    30% JavaScript
    30% Python
    20% Kotlin +2
    10% Java
    10% PHP

    Micron is a software development company specializing in creating MVPs and investment platforms, with expertise in Django and React. They receive excellent feedback for their professionalism, commitment, and quality of work. Clients highlight their effective project management and communication skills, with 100% mentioning positive outcomes and satisfaction with the timely delivery of high-quality products.

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  • Reaktivate Logotype

    Reaktivate

    5.0 5 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    15% Web Development
    40% Custom Software Development
    25% IT Strategy Consulting +1
    20% IT Managed Services

    Focus Areas

    75% JavaScript
    15% Redux
    5% C# +1
    5% SQL

    Reaktivate is a web development company specializing in Website Development, Web Application Development, and Custom Website Development. They have consistently received positive feedback, with 100% of reviewers highlighting their strong communication, responsiveness, and expertise in delivering on-time and innovative solutions. While some minor challenges with initial project scoping and team scaling were noted, these did not affect overall project success.

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  • Ready4S Logotype

    4.8 41 reviews
    $50,000+
    $50 - $99 / hr
    50 - 249
    Kraków, Poland

    Services provided

    20% Web Development
    60% Custom Software Development
    20% UX/UI Design

    Focus Areas

    20% JavaScript
    30% Other programming & scripting languages
    25% Java +2
    20% PHP
    5% XML

    Ready4S is a web development company offering services in web application development and full-stack web development. The reviews highlight their proactive project management and ability to address potential issues, with 100% of reviewers praising their commitment to deadlines and quality. Their friendly and responsible team, alongside their compelling design work, is consistently acknowledged by clients.

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  • Pynest Logotype

    5.0 18 reviews
    $10,000+
    $50 - $99 / hr
    50 - 249
    Tallinn, Estonia

    Services provided

    10% Web Development
    30% IT Staff Augmentation
    20% AI Development +3
    20% Custom Software Development
    10% Blockchain
    10% E-Commerce Development

    Focus Areas

    10% JavaScript
    60% Python
    20% Go +1
    10% Kotlin

    Pynest is a web development company specializing in Python-based solutions, offering services such as back-end development and API integration. Approximately 90% of reviewers praise their technical expertise and strong communication skills, highlighting their reliability and ability to adapt to new technologies efficiently. Their developers are noted for enhancing code scalability and improving application performance significantly.

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  • Novotech Software Solutions Logotype

    4.3 2 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Lagos, Nigeria

    Services provided

    15% Web Development
    35% Custom Software Development
    25% Mobile App Development +3
    15% Application Management & Support
    5% E-Commerce Development
    5% Other Application Development

    Focus Areas

    50% JavaScript
    25% HTML5
    25% Typescript

    Novotech Software Solutions is a web development company specializing in custom website development and full-stack web development. The company consistently meets deadlines and excels in product development and quality, as reflected in 100% positive feedback from clients. Their expertise in both front-end and back-end development is highly praised, with no noted areas for improvement.

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  • AltaCode Logotype

    5.0 1 review
    $10,000+
    $25 - $49 / hr
    10 - 49
    Yerevan, Armenia

    Services provided

    20% Web Development
    35% Custom Software Development
    30% Mobile App Development +1
    15% AI Development

    Focus Areas

    10% JavaScript
    30% C++
    20% C# +4
    10% HTML5
    10% Java
    10% Objective C
    10% SQL

    AltaCode is a technology solutions provider known for delivering tailored products like AltaTMSi, which significantly enhance operational efficiency. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their speed, responsiveness, and communication. Their services are characterized by clear and high-quality deliverables, illustrating a strong culture fit and effective project management.

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  • Noble Intent Logotype

    5.0 6 reviews
    $10,000+
    $150 - $199 / hr
    2 - 9
    San Diego, CA

    Services provided

    35% Web Development
    35% Web Design
    15% Email Marketing +1
    15% Social Media Marketing

    Focus Areas

    20% JavaScript
    80% PHP

    Noble Intent Studio is a versatile web development company specializing in custom website development and web design. They have received overwhelmingly positive feedback, with clients praising their responsiveness, attention to client needs, and seamless project management. Approximately 100% of reviewers highlighted their impressive communication skills and ability to tailor services to individual project requirements. However, there were minor suggestions for improvement regarding payment scheme setup.

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  • Zobi Web Solutions Private Limited Logotype

    5.0 4 reviews
    $1,000+
    $25 - $49 / hr
    50 - 249
    Ahmedabad, India

    Services provided

    30% Web Development
    30% IT Staff Augmentation
    10% Mobile App Development +6
    5% AI Development
    5% API Development
    5% Custom Software Development
    5% DevOps Managed Services
    5% Microservices Architecture Services
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    30% ASP.NET
    10% C# +6
    10% SQL
    10% Swift
    10% Typescript
    5% HTML5
    5% Kotlin
    5% Redux

    Zobi Web Solutions Private Limited is a web development company specializing in custom website development and comprehensive web application solutions. With a 100% positive feedback rate, clients consistently praise their attention to detail, effective project management, and proactive problem-solving. Notably, 100% of reviewers appreciated their ability to adapt to market trends and technological updates, ensuring cutting-edge solutions.

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  • X-TECH Logotype

    5.0 2 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Yerevan, Armenia

    Services provided

    20% Web Development
    20% Blockchain
    20% IT Staff Augmentation +3
    20% Mobile App Development
    10% AR/VR Development
    10% Event Management

    Focus Areas

    17% JavaScript
    25% PHP
    25% Swift +3
    17% SQL
    8% Kotlin
    8% Redux

    X-TECH is a proficient web development company specializing in augmented reality applications and custom website development. With a 100% positive feedback rate, clients commend their innovation, technical excellence, and effective project management. Approximately 50% of reviewers highlight their adaptability and responsiveness, making them a trusted partner for delivering immersive and interactive digital solutions.

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  • CbSol Logotype

    5.0 1 review
    $10,000+
    $25 - $49 / hr
    10 - 49
    Austin, TX

    Services provided

    25% Web Development
    20% Cloud Consulting & SI
    20% Mobile App Development +3
    15% Blockchain
    10% Custom Software Development
    10% IoT Development

    Focus Areas

    30% JavaScript
    15% Python
    15% Redux +6
    10% Ruby
    10% Typescript
    5% AJAX
    5% Objective C
    5% SQL
    5% Swift

    CbSol is a full stack development agency specializing in mobile app development and ongoing maintenance. Feedback highlights their seamless integration with client teams, strong communication, and consistent timeliness. Notably, 100% of reviewers commend their responsiveness and problem-solving skills, underscoring their commitment to high-quality service and continuous improvement.

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  • SOSADIAZ Logotype

    5.0 5 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Bogotá, Colombia

    Services provided

    10% Web Development
    10% Digital Strategy
    10% E-Commerce Development +10
    10% Market Research
    10% Marketing Strategy
    10% UX/UI Design
    10% Web Design
    5% AI Development
    5% Content Marketing
    5% Email Marketing
    5% Graphic Design
    5% Search Engine Optimization
    5% Video Production

    Focus Areas

    20% JavaScript
    35% PHP
    20% SQL +2
    15% HTML5
    10% Swift

    SOSADIAZ is a company specializing in 3D rendering, audiovisual production, mobile app development, and virtual reality solutions. Their reviews reflect a strong reputation for professionalism, timely delivery, and high-quality outputs, with 100% of clients highlighting their exceptional value for cost and innovative approach. Clients consistently commend their ability to exceed expectations in visual and technical work, supported by positive feedback regarding communication and project management.

    See all 5 projects
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  • Itera Logotype

    4.5 4 reviews
    Undisclosed
    $50 - $99 / hr
    250 - 999
    Oslo, Norway

    Services provided

    25% Web Development
    40% Custom Software Development
    10% Application Testing +5
    5% BI & Big Data Consulting & SI
    5% Cloud Consulting & SI
    5% Digital Strategy
    5% IT Strategy Consulting
    5% Mobile App Development

    Focus Areas

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

    Itera is a web development company that excels in providing software testing and system development services. Feedback from their clients is overwhelmingly positive, with a 100% satisfaction rate highlighting their excellent project management and problem-solving skills. Clients particularly commend their dedication to improving processes and achieving faster time-to-market for products.

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  • 3Brain Technolabs Pvt. Ltd. Logotype

    4.5 13 reviews
    $5,000+
    < $25 / hr
    10 - 49
    Ahmedabad, India

    Services provided

    20% Web Development
    20% Mobile App Development
    10% Ecommerce Marketing +8
    10% Search Engine Optimization
    10% Web Design
    5% AI Development
    5% Custom Software Development
    5% E-Commerce Development
    5% IT Staff Augmentation
    5% Pay Per Click
    5% Social Media Marketing

    Focus Areas

    40% JavaScript
    30% Redux
    30% Typescript

    3Brain Technolabs Pvt. Ltd. is a web development company specializing in custom website development, web application development, and full-stack web development. With over 90% positive feedback, clients praise their efficiency, timely delivery, and proficiency in React, though some suggest initial communication improvements. Their cost-effective solutions and ability to adapt to client needs are consistently highlighted across reviews.

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  • Icetulip Logotype

    4.8 11 reviews
    $5,000+
    $50 - $99 / hr
    250 - 999
    Al Kuwayt, Kuwait

    Services provided

    10% Web Development
    45% Branding
    15% Social Media Marketing +3
    10% AR/VR Development
    10% Low/No Code Development
    10% Mobile App Development

    Focus Areas

    11% JavaScript
    11% Java
    11% PHP +9
    11% Python
    11% Ruby
    11% SQL
    6% AJAX
    6% C#
    6% Ember.js
    6% Perl
    6% Swift
    4% Kotlin

    Icetulip is a full-service web development company specializing in custom website development and web application development. Across their reviews, they have received 100% positive feedback, with clients frequently praising their professionalism, responsiveness, and creativity. Their ability to accommodate client requests and deliver tailored solutions is highly regarded, with 100% of reviewers highlighting their impressive project management skills.

    See all 11 projects
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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 SpdLoad
15 HTMLPanda

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. SpdLoad Logotype

    SpdLoad

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

    Ability to deliver

    36.6/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  15. 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
  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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