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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 20, 2026
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15 Leaders 15 Contenders

22,066 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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  • Predictes Logotype

    4.5 1 review
    Undisclosed
    $50 - $99 / hr
    10 - 49
    Warszawa, Poland

    Services provided

    30% Web Development
    30% E-Commerce Development
    10% Cloud Consulting & SI +7
    10% UX/UI Design
    10% Web Design
    2% Content Marketing
    2% Conversion Optimization
    2% Digital Strategy
    2% Email Marketing
    2% Search Engine Optimization

    Focus Areas

    10% JavaScript
    50% ASP.NET
    20% C# +1
    20% SQL

    Predictes is a digital marketing and e-commerce development company. Their services were highly praised, with 40% of clients noting improvements in website appeal, and positive remarks about their project management and team collaboration. While their innovative thinking was noted, it occasionally differed from client perspectives.

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  • Mandelbrot Logotype

    Mandelbrot

    5.0 2 reviews
    Undisclosed
    $25 - $49 / hr
    2 - 9

    Services provided

    25% Web Development
    50% Mobile App Development
    15% Custom Software Development +1
    10% AR/VR Development

    Focus Areas

    25% JavaScript
    20% Java
    20% Swift +3
    15% Ruby
    10% C++
    10% Objective C

    Mandelbrot is a development company specializing in creating iOS and Android applications, particularly focusing on projects that require complex coding and interactive elements. Reviews indicate a high level of satisfaction, with 100% of the feedback being positive, highlighting their seamless integration into teams, attention to technical and aesthetic details, and the ability to deliver high-performance applications.

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  • Technotery Logotype

    4.7 13 reviews
    $5,000+
    < $25 / hr
    10 - 49
    Ahmedabad, India

    Services provided

    30% Web Development
    20% Custom Software Development
    20% Mobile App Development +3
    15% E-Commerce Development
    10% UX/UI Design
    5% Cloud Consulting & SI

    Focus Areas

    40% JavaScript
    40% PHP
    20% Other programming & scripting languages

    Technotery is a web development company specializing in custom website development, web application development, and full-stack web development. The reviews consistently highlight their strategic approach, technical expertise, and effective project management. Approximately 80% of feedback underscores their responsiveness and communication, while around 70% mentions their ability to deliver scalable and SEO-friendly solutions. Clients appreciate their ability to meet deadlines and provide post-launch support, although some suggest improvements in communication and extended discovery phases.

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  • Artol Web Studio Logotype

    5.0 1 review
    $1,000+
    Undisclosed
    2 - 9
    Yardley, PA

    Services provided

    20% Web Development
    20% API Development
    20% Custom Software Development +2
    20% Low/No Code Development
    20% Search Engine Optimization

    Focus Areas

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

    Artol Web Studio is a web development company specializing in Website Development and SEO optimization. They consistently deliver high-quality services, as evidenced by 100% positive feedback from their clients. Reviewers highlighted their exceptional project management, timely communication, and ability to exceed expectations.

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  • codeclutch Logotype

    5.0 4 reviews
    $10,000+
    $25 - $49 / hr
    2 - 9
    Zielona Góra, Poland

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +4
    10% Blockchain
    10% E-Commerce Development
    10% IT Staff Augmentation
    10% UX/UI Design

    Focus Areas

    25% JavaScript
    65% PHP
    10% Python

    codeclutch is a full-service web development company specializing in Web Programming and Smart Contract development. With a strong emphasis on Custom Website Development and high-quality service delivery, 100% of reviewers highlight their excellent communication and project execution. Clients consistently praise their ability to meet deadlines and provide comprehensive solutions.

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  • Peanut Square LLP Logotype

    5.0 5 reviews
    $1,000+
    $25 - $49 / hr
    50 - 249
    Ahmedabad, India

    Services provided

    30% Web Development
    10% Custom Software Development
    10% E-Commerce Development +5
    10% Low/No Code Development
    10% Mobile App Development
    10% Other Application Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    35% PHP
    15% SQL +8
    5% AJAX
    5% Ember.js
    5% Kotlin
    5% Objective C
    5% Other programming & scripting languages
    5% Redux
    5% Swift
    5% Typescript

    Peanut Square LLP is a web development company specializing in custom website and web application development. The company consistently receives positive feedback, with 100% of reviewers praising their professionalism, communication, and value for cost. Clients express satisfaction with their timely delivery and expertise in both front-end and back-end development.

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  • NCode Technologies, Inc Logotype

    4.2 6 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Ahmedabad, India

    Services provided

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

    Focus Areas

    35% JavaScript
    40% PHP
    25% Python

    NCode Technologies, Inc is a web development company specializing in custom website development and web programming solutions. The company is praised for its professionalism, customer service, and ability to handle complex projects, with 100% of reviewers commending their responsiveness and technical expertise. However, 33% noted a need for improved understanding of client expectations and website design.

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  • Seashore solutions Logotype

    Seashore solutions

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    50 - 249

    Services provided

    10% Web Development
    10% CRM Consulting and SI
    10% Custom Software Development +11
    10% E-Commerce Development
    10% IT Managed Services
    10% Mobile App Development
    5% AI Development
    5% Cloud Consulting & SI
    5% ERP Consulting and SI
    5% Enterprise App Modernization
    5% IT Strategy Consulting
    5% IoT Development
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Java +3
    20% Python
    10% PHP
    10% SQL

    Seashore solutions is a versatile IT services company, specializing in mobile app development, data entry, SEO, and digital marketing. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their professionalism, timely delivery, and adaptability to changes. Their commitment to delivering as promised and effective communication are frequently highlighted.

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  • Tech Midia Square Logotype

    4.6 4 reviews
    $5,000+
    < $25 / hr
    2 - 9
    Ahmedabad, India

    Services provided

    30% Web Development
    55% Search Engine Optimization
    15% Web Design

    Focus Areas

    40% JavaScript
    40% PHP
    20% ASP.NET

    Tech Midia Square is a web development company specializing in website development and design. They are praised for their skill and ability to meet deadlines, with 100% of reviewers expressing satisfaction with the project's outcome and management. Their proficiency in delivering quality results tailored to client needs is a standout feature.

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  • Red Glue Studio Logotype

    Red Glue Studio

    5.0 1 review
    $1,000+
    < $25 / hr
    2 - 9

    Services provided

    20% Web Development
    30% Graphic Design
    20% Logo +2
    20% Web Design
    10% Print Design

    Focus Areas

    50% JavaScript
    40% PHP
    10% AJAX

    Red Glue Studio is a full-stack web development company specializing in comprehensive web and graphic design services. They have consistently received positive feedback, with 100% of reviewers praising their excellent communication and superb graphic output. Clients highlight their ability to deliver cohesive and impactful online development results, indicating a strong proficiency in both front-end and back-end development.

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  • Konfront Logotype

    4.7 5 reviews
    $10,000+
    Undisclosed
    10 - 49
    Ciudad de México, Mexico

    Services provided

    10% Web Development
    30% Enterprise App Modernization
    20% Custom Software Development +3
    15% AI Development
    15% IT Strategy Consulting
    10% Low/No Code Development

    Focus Areas

    60% JavaScript
    25% SQL
    10% Python +1
    5% PHP

    Konfront specializes in Web Development, providing services such as Website Development and Web Application Development. A notable 100% of reviews highlight their ability to offer tailored solutions that enhance business operations. While their service quality is commendable, with an emphasis on understanding client needs, they could improve efficiency, as deadlines were occasionally missed.

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  • CodeCrew Logotype

    CodeCrew

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

    Services provided

    30% Web Development
    30% Mobile App Development
    20% Application Management & Support +1
    20% Wearable App Development

    Focus Areas

    70% JavaScript
    10% AJAX
    10% Ember.js +1
    10% Redux

    CodeCrew is a full-stack web development company specializing in designing and developing custom web platforms. They received predominantly positive feedback, with a focus on their impressive matchmaking algorithm and collaborative team involvement. Although there was a minor issue with a project manager change, overall project management was praised.

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  • Emdiem Creative Lab Logotype

    4.0 1 review
    $10,000+
    $50 - $99 / hr
    10 - 49
    Barranquilla, Colombia

    Services provided

    30% Web Development
    30% Mobile App Development
    20% UX/UI Design +1
    20% Web Design

    Focus Areas

    25% JavaScript
    25% Java
    25% Objective C +1
    25% Swift

    Emdiem Creative Lab is a proficient app development company specializing in creating native iOS and Android applications. According to their reviews, the company is praised for its high-quality products and proactive, collaborative approach, with 100% of reviewers highlighting increased app downloads and positive user feedback. However, there were minor communication delays noted in project timelines.

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  • Abbsent Solutions Logotype

    5.0 2 reviews
    $1,000+
    < $25 / hr
    2 - 9
    Lahore, Pakistan

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +3
    20% Search Engine Optimization
    10% AR/VR Development
    10% Custom Software Development

    Focus Areas

    11% JavaScript
    22% PHP
    22% Swift +6
    11% Other programming & scripting languages
    11% SQL
    6% ASP.NET
    6% C#
    6% Java
    5% AJAX

    Abbsent Solutions is a versatile digital agency specializing in website development and digital marketing, including SEO and social media management. Reviewers highlight their responsiveness and flexibility, with 100% positive feedback noting their adaptability and cost-effectiveness. Clients appreciate their timely project management and effective, ongoing support, making them a valuable partner for evolving e-commerce needs.

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  • UMOVA Software Logotype

    UMOVA Software

    5.0 4 reviews
    $5,000+
    $25 - $49 / hr
    2 - 9

    Services provided

    30% Web Development
    30% Custom Software Development
    10% AI Development +3
    10% E-Commerce Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    15% PHP
    15% Typescript +7
    10% AJAX
    10% HTML5
    10% Other programming & scripting languages
    10% Redux
    10% SQL
    5% Python
    5% jquery

    UMOVA Software is a professional web development company specializing in custom website development and web application development. The reviews reflect overwhelmingly positive feedback, highlighting their strong project management, innovative solutions, and commitment to delivering quality work on time. Approximately 100% of reviewers commend their responsiveness, expertise, and ability to exceed expectations, with no significant areas for improvement noted.

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  • Nintriva Technology Solutions Logotype

    5.0 3 reviews
    $10,000+
    $25 - $49 / hr
    50 - 249
    Kochi, India

    Services provided

    30% Web Development
    40% Custom Software Development
    30% Mobile App Development

    Focus Areas

    10% JavaScript
    30% PHP
    20% Java +3
    20% Typescript
    10% AJAX
    10% SQL

    Nintriva Technology Solutions is a full-stack web development company specializing in API-driven platforms and client interfaces. Reviews highlight their expertise, attention to detail, and strong project management skills, with 100% positive feedback on user experience and performance improvements. However, there is room for improvement in accessibility enhancements.

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  • Trivium Solutions Logotype

    5.0 1 review
    $10,000+
    Undisclosed
    10 - 49
    Herzliya, Israel

    Services provided

    10% Web Development
    30% Custom Software Development
    30% Cybersecurity +2
    20% IoT Development
    10% Mobile App Development

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% C# +2
    20% C++
    20% Python

    Trivium Solutions is a development company specializing in embedded platform services, including bringup, Uboot modifications, OS development, and application support. The reviews emphasize their expertise, flexibility, and commitment, with 100% noting strong project management and successful outcomes. Clients view them as a reliable partner in achieving timely project releases.

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  • Suposham Technologies Logotype

    4.8 4 reviews
    $5,000+
    $25 - $49 / hr
    2 - 9
    Noida, India

    Services provided

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

    Focus Areas

    15% JavaScript
    20% Java
    15% PHP +5
    10% AJAX
    10% Python
    10% SQL
    10% Swift
    10% XML

    Suposham Technologies specializes in Website Development, Web Design, and Web Programming, delivering comprehensive online platforms tailored to client needs. Reviews highlight the company's professional project management, timely deliverables, and attention to detail in UI design, resulting in enhanced user engagement and business growth. Clients appreciate their structured approach and effective communication throughout the project lifecycle.

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  • DigiStreet Media Pvt Ltd Logotype

    4.8 2 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Noida, India

    Services provided

    15% Web Development
    20% Search Engine Optimization
    15% Video Production +7
    10% Digital Strategy
    10% Social Media Marketing
    10% Web Design
    5% Conversion Optimization
    5% Graphic Design
    5% Logo
    5% Packaging Design

    Focus Areas

    10% JavaScript
    50% PHP
    20% SQL +2
    10% ASP.NET
    10% Visual Basic

    DigiStreet Media Pvt Ltd is a web development and digital marketing company specializing in website development, web design, and SEO services. Their work, which includes transforming designs into WordPress websites, is praised for increasing site traffic and generating leads, with 100% of reviewers noting their responsive communication. However, some feedback suggests a need for clearer ROI estimates.

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  • Alpha Labs Logotype

    Alpha Labs

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

    Services provided

    40% Web Development
    40% Web Design
    20% Search Engine Optimization

    Focus Areas

    15% JavaScript
    20% ASP.NET
    20% C# +4
    20% HTML5
    10% AJAX
    10% SQL
    5% PHP

    Alpha Labs is a web development company praised for its professional and friendly approach. The firm boasts a 100% positive feedback rate, with clients highlighting timely project completion and effective communication. Reviewers specifically noted their satisfaction with the increased footfall and leads resulting from Alpha Labs' services.

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  • Binary Evolution Logotype

    Binary Evolution

    4.7 3 reviews
    $5,000+
    $100 - $149 / hr
    2 - 9

    Services provided

    25% Web Development
    25% Mobile App Development
    25% UX/UI Design +2
    20% Custom Software Development
    5% IT Strategy Consulting

    Focus Areas

    20% JavaScript
    30% PHP
    20% AJAX +5
    10% SQL
    5% Java
    5% Objective C
    5% Other programming & scripting languages
    5% XML

    Binary Evolution is a full-stack web development company specializing in custom website development and web application development. The reviews highlight their professionalism, adaptability, and ability to deliver projects on budget, with 100% of reviewers praising their responsiveness and project management skills. However, there is a suggestion for them to provide more guidance on project scope management.

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  • Ryvenia Logotype

    5.0 1 review
    $1,000+
    $50 - $99 / hr
    2 - 9
    Veľký Krtíš, Slovakia

    Services provided

    60% Web Development
    20% Web Design
    10% Advertising +2
    5% Pay Per Click
    5% Search Engine Optimization

    Focus Areas

    15% JavaScript
    70% PHP
    15% Python

    Ryvenia is a web development company specializing in modern WordPress site design, custom website development, and e-commerce solutions. Notably, 100% of the feedback from their clients is positive, highlighting their professionalism, creativity, and flexibility in adapting to changing requirements. Their work resulted in a 60% increase in customer engagement for their clients.

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  • Digital Bullpen Logotype

    5.0 1 review
    $10,000+
    $100 - $149 / hr
    2 - 9
    Overland Park, KS

    Services provided

    20% Web Development
    30% UX/UI Design
    30% Web Design +2
    10% Logo
    10% Low/No Code Development

    Focus Areas

    45% JavaScript
    25% C#
    10% Python +2
    10% Swift
    10% Visual Basic

    Digital Bullpen is a branding and design agency renowned for its methodical approach to understanding clients' businesses before creating assets. They have received overwhelmingly positive feedback, with clients praising their cohesive marketing deliverables and effective communication. A significant 100% of reviewers highlight their successful outcomes and exceptional project management.

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  • Square Bits Logotype

    5.0 8 reviews
    $5,000+
    < $25 / hr
    10 - 49
    Jodhpur, India

    Services provided

    20% Web Development
    60% Mobile App Development
    10% UX/UI Design +1
    10% Web Design

    Focus Areas

    10% JavaScript
    20% Kotlin
    20% PHP +5
    20% Swift
    10% AJAX
    10% SQL
    5% Java
    5% Objective C

    Square Bits is a mobile app development company that excels in creating customized solutions for diverse needs, including emergency services, e-commerce platforms, and privacy-focused applications. The reviews indicate a high level of satisfaction, with 100% of clients praising their dedication, responsiveness, and ability to adapt to changing requirements. Clients consistently highlight the team's communication skills and commitment to delivering quality work on time.

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  • ProMonkey Technologies Logotype

    ProMonkey Technologies

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

    Services provided

    20% Web Development
    30% Mobile App Development
    10% Custom Software Development +4
    10% E-Commerce Development
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    40% PHP
    20% Swift +5
    10% SQL
    5% AJAX
    5% Java
    5% Objective C
    5% Other programming & scripting languages

    ProMonkey Technologies is a web development company specializing in Website Development and Web Design. They consistently impress clients with their creativity, attention to detail, and professional project management. With 100% positive feedback, many reviewers highlight their ability to transform underperforming websites into standout, professional platforms.

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  • DailySoft CR Logotype

    DailySoft CR

    4.8 3 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    40% Web Development
    20% Custom Software Development
    15% Application Management & Support +3
    15% E-Commerce Development
    5% Application Testing
    5% Web Design

    Focus Areas

    15% JavaScript
    40% PHP
    15% AJAX +3
    15% Redux
    10% Typescript
    5% XML

    DailySoft CR is a professional web development company specializing in Website Development, Web Dev, and Full-Stack Web Development. With a focus on custom solutions, they excel in Drupal and WordPress capabilities. Reviews reveal 100% positive feedback, highlighting their exceptional communication, professionalism, and client satisfaction, although suggestions for more proactive guidance were noted.

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  • Mint Software Logotype

    5.0 2 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Kraków, Poland

    Services provided

    10% Web Development
    50% Custom Software Development
    20% E-Commerce Development +2
    10% Application Management & Support
    10% Application Testing

    Focus Areas

    10% JavaScript
    50% PHP
    15% SQL +3
    10% C#
    10% Java
    5% AJAX

    Mint Software is a FinTech development company known for designing and implementing advanced financial systems and middleware solutions for SMEs and startups. The company has received unanimous praise for its creative, flexible, and business-oriented approach, with both reviews highlighting their expertise in automation, integration, and user-friendly interfaces. Impressively, 100% of the reviewers noted the effectiveness and impact of Mint Software’s solutions on their businesses, mentioning significant increases in value and competitive advantage.

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  • Advert Digital Mantra Pvt Ltd Logotype

    5.0 2 reviews
    $1,000+
    < $25 / hr
    10 - 49
    Solapur, India

    Services provided

    10% Web Development
    30% Search Engine Optimization
    30% Social Media Marketing +2
    20% E-Commerce Development
    10% Digital Strategy

    Focus Areas

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

    Advert Digital Mantra Pvt Ltd is a digital marketing company specializing in lead generation and social media marketing services. According to client testimonials, 100% of the feedback is positive, highlighting their impressive ability to exceed expectations by generating over 400 leads in a month, enhancing sales team training, and maintaining effective communication throughout their projects.

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  • ShortHills Tech Logotype

    5.0 1 review
    $25,000+
    < $25 / hr
    50 - 249
    Gurugram, India

    Services provided

    15% Web Development
    60% Custom Software Development
    10% AI Development +3
    5% Application Testing
    5% IT Managed Services
    5% Mobile App Development

    Focus Areas

    10% JavaScript
    30% Python
    20% PHP +4
    20% SQL
    10% Java
    5% Other programming & scripting languages
    5% Typescript

    ShortHills Tech is a technology solutions provider specializing in custom web platform development, including machine learning, front- and backend development, and automation. The overall feedback is highly positive, with clients praising their effective communication, strong leadership, and understanding of the e-commerce industry. While they could improve their expertise in Google technologies, clients are generally satisfied with the quality and impact of their work.

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  • Brand Impetus Logotype

    4.6 4 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Kolkata, India

    Services provided

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

    Focus Areas

    30% JavaScript
    10% AJAX
    10% HTML5 +5
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% SQL
    10% Typescript

    Brand Impetus is a web development company specializing in website development, web design, and backend management, particularly on platforms like Shopify. Across reviews, 100% note their impressive design capabilities and quick task execution, while 33% suggest they could enhance engagement and speed. Their efforts have led to increased ad conversions and improved website functionality, demonstrating strong project management and effective communication.

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  • Honeycomb Softwares Logotype

    5.0 3 reviews
    $5,000+
    < $25 / hr
    10 - 49
    Ahmedabad, India

    Services provided

    25% Web Development
    35% Custom Software Development
    25% Web Design +1
    15% Mobile App Development

    Focus Areas

    35% JavaScript
    25% Typescript
    20% SQL +4
    5% ASP.NET
    5% C#
    5% PHP
    5% Python

    Honeycomb Softwares offers exceptional services in Website Development, Web Design, and Online Development. Clients consistently praise the company's knowledge, communication, and ability to deliver successful outcomes on time. Honeycomb Softwares is known for its detail-oriented project management and ability to provide high-quality solutions efficiently and affordably.

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  • Foxlabs Developers Logotype

    Foxlabs Developers

    5.0 3 reviews
    $5,000+
    $25 - $49 / hr
    2 - 9

    Services provided

    20% Web Development
    50% Custom Software Development
    20% DevOps Managed Services +1
    10% Product Design

    Focus Areas

    35% JavaScript
    35% Typescript
    30% Elixir

    Foxlabs Developers offers Web Development services, including custom software development, Web Design, and Web Programming. Clients consistently praise their professional and collaborative approach, timely communication, and successful project delivery. Overall, Foxlabs Developers is recognized for providing a great value for cost with a focus on user-friendly solutions and excellent customer satisfaction.

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  • Scriptide Logotype

    5.0 3 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Budapest, Hungary

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +4
    10% AI Development
    10% Architectural Design
    10% Product Design
    10% UX/UI Design

    Focus Areas

    40% JavaScript
    40% Typescript
    20% Python

    Scriptide is a software development company specializing in the creation of web extensions and cross-platform mobile applications. Across the reviews, 100% of clients highlighted their exceptional project management, technical expertise, and proactive approach, with no areas for improvement mentioned. Clients praised Scriptide for delivering high-quality results on time and within budget, emphasizing their flexibility and strong cultural fit.

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  • JOrange Logotype

    5.0 1 review
    $5,000+
    $50 - $99 / hr
    10 - 49
    Kharkiv, Ukraine

    Services provided

    30% Web Development
    20% E-Commerce Development
    20% Enterprise App Modernization +2
    20% UX/UI Design
    10% Mobile App Development

    Focus Areas

    30% JavaScript
    30% PHP
    20% AJAX +1
    20% ASP.NET

    JOrange is a web development company specializing in Shopify solutions and optimization. The reviews highlight their technical proficiency and creative problem-solving abilities, with clients appreciating their ability to enhance site speed and implement innovative features. Positive feedback is prevalent, with notable praise for their fair pricing and effective project management, making them a reliable and valued partner in e-commerce development.

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  • Onekode, Software Development Company Logotype

    5.0 2 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    London, England

    Services provided

    20% Web Development
    30% Low/No Code Development
    30% Mobile App Development +2
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    20% Kotlin
    20% Python +5
    20% Swift
    10% Go
    10% SQL
    5% HTML5
    5% Objective C

    Onekode, Software Development Company specializes in Web Development, offering custom solutions like online marketplaces with robust functionalities. The reviews highlight a 100% success rate in delivering projects on time, with clients appreciating their holistic approach and commitment to meeting client needs. The team could improve internal orientation for new members.

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  • Axioma IT Solutions Logotype

    5.0 4 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Ciudad Autónoma de Buenos Aires, Argentina

    Services provided

    30% Web Development
    45% Custom Software Development
    10% Mobile App Development +3
    5% Enterprise App Modernization
    5% IT Staff Augmentation
    5% UX/UI Design

    Focus Areas

    25% JavaScript
    25% Redux
    15% C# +6
    10% SQL
    5% ASP.NET
    5% PHP
    5% Python
    5% Swift
    5% Typescript

    Axioma IT Solutions is a web development company specializing in custom website development, web application development, and UI/UX design. Reviews indicate a strong positive reception, with 100% of clients highlighting their adaptive workflow and client comprehension. While there is room for improvement in delivery time, clients appreciate their value for cost and alignment with company values.

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  • Fortunekit Labs Logotype

    4.5 1 review
    $5,000+
    $25 - $49 / hr
    2 - 9
    Kalyan, India

    Services provided

    10% Web Development
    60% IT Strategy Consulting
    10% Custom Software Development +2
    10% Digital Strategy
    10% Mobile App Development

    Focus Areas

    80% JavaScript
    10% Python
    10% Ruby

    Fortunekit Labs specializes in UI/UX design for mobile applications, demonstrating expertise in creating user-friendly and visually appealing products. The feedback is overwhelmingly positive, with clients praising their proactive approach, effective communication, and ability to incorporate new design elements. A minor drawback mentioned was initial timeliness issues, which have since been addressed. Overall, Fortunekit Labs is highly recommended, especially for MVP-level projects.

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  • Hiveyard Logotype

    5.0 2 reviews
    $10,000+
    $50 - $99 / hr
    2 - 9
    Pančevo, Serbia

    Services provided

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

    Focus Areas

    50% JavaScript
    50% Java

    Hiveyard is a web development company specializing in website development and web design. They have earned positive feedback, with 100% of reviews highlighting their professionalism, effective communication, and ability to deliver projects on time. Clients appreciate Hiveyard's dedication to personal service and their expertise in creating clean, modern, and user-friendly websites.

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  • W3ICON Logotype

    W3ICON

    5.0 1 review
    $1,000+
    < $25 / hr
    2 - 9

    Services provided

    75% Web Development
    15% Search Engine Optimization
    5% UX/UI Design +1
    5% Web Design

    Focus Areas

    30% JavaScript
    35% PHP
    30% HTML5 +1
    5% SQL

    W3ICON is a web development company specializing in web design and custom website development. Their reviews reflect a 100% satisfaction rate, highlighting their ability to deliver clean, fast-loading, and SEO-friendly websites with modern designs. Clients consistently praise their responsiveness and high-quality design work, although some note minor delays.

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  • OneRoof Technologies LLP Logotype

    5.0 3 reviews
    $5,000+
    < $25 / hr
    50 - 249
    Mumbai, India

    Services provided

    15% Web Development
    20% Mobile App Development
    15% Custom Software Development +4
    15% E-Commerce Development
    15% IT Staff Augmentation
    15% UX/UI Design
    5% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    40% ASP.NET
    25% PHP +3
    10% Java
    10% Swift
    5% Python

    OneRoof Technologies LLP is a proficient web development company specializing in custom website and e-commerce portal development. They have garnered overwhelmingly positive feedback, with 100% of reviewers highlighting their commitment to timely delivery and high-quality outcomes. Clients commend their innovative solutions, exceptional communication, and the ability to significantly improve website performance, such as achieving a 400% increase in loading speeds.

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  • Crown Tech Logotype

    4.8 2 reviews
    $5,000+
    < $25 / hr
    2 - 9
    København, Denmark

    Services provided

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

    Focus Areas

    20% JavaScript
    80% PHP

    Crown Tech is an IT solutions and software development company recognized for their expertise in addressing connectivity challenges and developing comprehensive booking platforms. Their reviews highlight a 100% positive feedback rate, with clients praising their professionalism, flexibility in payment terms, and capability to deliver timely results. A notable 50% of reviewers emphasized their collaborative approach and understanding of project needs.

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  • Teconce Logotype

    5.0 3 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Khulna, Bangladesh

    Services provided

    40% Web Development
    20% E-Commerce Development
    20% UX/UI Design +1
    20% Web Design

    Focus Areas

    20% JavaScript
    50% PHP
    20% AJAX +1
    10% SQL

    Teconce is a web development company recognized for its strong design and development skills, focusing on customization and enhancement of web platforms. They received predominantly positive feedback, with clients highlighting their fast response and flexible service. Approximately 100% of reviewers appreciated their ability to find better solutions and responsive communication.

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  • Weptile Logotype

    Weptile

    5.0 4 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49

    Services provided

    10% Web Development
    60% Custom Software Development
    20% E-Commerce Development +1
    10% Mobile App Development

    Focus Areas

    50% JavaScript
    40% PHP
    10% SQL

    Weptile is a web development company specializing in custom website development and WooCommerce functionality. Their exceptional project management and communication skills are highlighted in reviews, with 100% positive feedback. Clients appreciate their deep domain knowledge and ability to deliver tailored solutions, enhancing customer experience and operational efficiency. They consistently meet deadlines and exceed expectations, though some suggest they could expand their team for increased responsiveness.

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  • SoftHouse Logotype

    5.0 4 reviews
    $25,000+
    $25 - $49 / hr
    10 - 49
    Kyiv, Ukraine

    Services provided

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

    Focus Areas

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

    SoftHouse is a web development company specializing in Web Application Development and Full-Stack Web Development, delivering innovative and user-friendly solutions. With 100% positive feedback, clients commend their proactive and collaborative team, as well as their expertise in technologies, project management, and ability to meet business objectives within deadlines and budget.

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  • CreOwn Technologies Logotype

    5.0 3 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Vadodara, India

    Services provided

    50% Web Development
    20% Application Testing
    20% Mobile App Development +1
    10% E-Commerce Development

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% C# +4
    20% PHP
    20% SQL
    5% AJAX
    5% XML

    CreOwn Technologies is a web development company specializing in Sitecore and .Net development services. Reviews highlight their impressive flexibility and effective project management. With 100% positive feedback, clients appreciate their timely delivery and technical expertise in web application and custom website development.

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  • Underscope Logotype

    5.0 1 review
    $25,000+
    $50 - $99 / hr
    10 - 49
    Buenos Aires, Argentina

    Services provided

    10% Web Development
    60% Mobile App Development
    30% Other IT Consulting and SI

    Focus Areas

    75% JavaScript
    10% Java
    10% Objective C +1
    5% Swift

    Underscope is a software development company specializing in custom solutions, particularly using React and React Native, with a strong focus on collaboration and integration with existing teams. The feedback is overwhelmingly positive, highlighting their leadership in project management and technical expertise. Notably, 100% of reviewers commend their ability to foster a seamless and comfortable team environment, enhancing both development efficiency and client satisfaction.

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  • Volar Agency Logotype

    5.0 1 review
    $25,000+
    $50 - $99 / hr
    10 - 49
    Los Angeles, CA

    Services provided

    50% Web Development
    15% UX/UI Design
    15% Web Design +3
    10% Low/No Code Development
    5% E-Commerce Development
    5% Graphic Design

    Focus Areas

    10% JavaScript
    50% PHP
    15% Python +4
    10% SQL
    5% AJAX
    5% HTML5
    5% Swift

    Volar Agency is a web development company known for designing websites and establishing online shops, as evidenced by their work for a flower and chocolate shop. The reviews suggest overwhelmingly positive feedback, with 100% of respondents praising their prompt communication and ongoing support. The agency delivers projects efficiently, fostering trust and satisfaction with their clients.

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  • Wama Technology Logotype

    4.9 6 reviews
    $5,000+
    < $25 / hr
    10 - 49
    Mumbai, India

    Services provided

    15% Web Development
    25% Mobile App Development
    15% Web Design +6
    10% AR/VR Development
    10% E-Commerce Development
    10% UX/UI Design
    5% Application Testing
    5% Custom Software Development
    5% IoT Development

    Focus Areas

    11% JavaScript
    21% Java
    21% PHP +4
    21% Swift
    16% Kotlin
    5% AJAX
    5% Other programming & scripting languages

    Wama Technology is a web development company renowned for its robust skills in cross-platform development and excellent communication. With a 100% positive feedback rate, clients praise their timely project delivery and forward-looking approach to solving challenges, highlighting their proficiency in using tools like Jira and Slack for efficient project management.

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  • Oivan Logotype

    4.5 13 reviews
    $10,000+
    $50 - $99 / hr
    50 - 249
    Helsingfors, Finland

    Services provided

    25% Web Development
    15% Custom Software Development
    15% Cybersecurity +5
    15% Mobile App Development
    10% Application Management & Support
    10% Blockchain
    5% Cloud Consulting & SI
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    40% Ruby
    20% Java +2
    20% Swift
    10% SQL

    Oivan specializes in Web Development and related services, including Custom Website Development and Full-Stack Web Development. They are noted for their responsive project management and technical expertise. Their reviews indicate a high satisfaction rate, with 90% mentioning positive outcomes such as improved user experience and project flexibility. Clients appreciate Oivan's commitment to understanding business needs, though some noted initial communication challenges.

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  • Brightlab Logotype

    Brightlab

    5.0 3 reviews
    $10,000+
    $25 - $49 / hr
    50 - 249

    Services provided

    30% Web Development
    30% AI Development
    15% E-Commerce Development +2
    15% Web Design
    10% Custom Software Development

    Focus Areas

    20% JavaScript
    10% Kotlin
    10% Other programming & scripting languages +7
    10% Python
    10% Redux
    10% Ruby
    10% SQL
    10% Typescript
    5% AJAX
    5% PHP

    Brightlab is a web development company specializing in custom website development, web application development, and full-stack web development. They have received overwhelmingly positive feedback, with clients praising their flexibility, up-to-date technology, and effective project management. Approximately 90% of reviewers highlight Brightlab's commitment to delivering high-quality, tailored solutions that exceed expectations.

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Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

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We evaluate service providers using a structured methodology that combines:

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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 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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