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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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  • Web Experts Nepal Logotype

    5.0 3 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Lalitpur, Nepal

    Services provided

    40% Web Development
    25% Custom Software Development
    25% Web Design +1
    10% UX/UI Design

    Focus Areas

    35% JavaScript
    35% SQL
    30% PHP

    Web Experts Nepal is a web development company specializing in full-stack web development, including WordPress projects and custom website development. Across their reviews, 100% of clients highlight their impressive project management, timely delivery, and strong problem-solving skills, with 50% specifically praising their attention to detail and personal approach in fulfilling technical requirements.

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  • XpertSolvers Logotype

    4.9 9 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Dhaka, Bangladesh

    Services provided

    30% Web Development
    40% IT Staff Augmentation
    20% Mobile App Development +1
    10% AI Development

    Focus Areas

    15% JavaScript
    15% AJAX
    15% C# +5
    15% SQL
    10% ASP.NET
    10% Go
    10% PHP
    10% Typescript

    XpertSolvers is a web development company specializing in custom website development and web programming. With 100% positive feedback, clients commend their excellent cloud knowledge and trustworthiness, highlighting their responsiveness and the absence of any bugs post-implementation. Their expertise in Microsoft Azure and delivering projects ahead of schedule further underscores their proficiency and reliability.

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  • Kinematic Digital Logotype

    5.0 12 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Austin, TX

    Services provided

    20% Web Development
    35% E-Commerce Development
    15% Low/No Code Development +4
    10% UX/UI Design
    10% Web Design
    5% Cybersecurity
    5% Search Engine Optimization

    Focus Areas

    60% JavaScript
    40% PHP

    Kinematic Digital is a web development company specializing in custom website development and web design. Across all reviews, 100% of the feedback is positive, highlighting their consistent delivery on time and budget, professional communication, and ability to meet client needs effectively. Approximately 75% of reviewers praised their understanding of project objectives and seamless project execution.

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  • EXIS Logotype

    4.9 7 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Athina, Greece

    Services provided

    25% Web Development
    40% Custom Software Development
    14% Low/No Code Development +4
    10% IT Strategy Consulting
    5% CRM Consulting and SI
    5% Other Application Development
    1% BI & Big Data Consulting & SI

    Focus Areas

    10% JavaScript
    40% C#
    10% Java +4
    10% PHP
    10% Python
    10% SQL
    10% Swift

    EXIS is a web development company specializing in custom website development, web design, and online development services. With a 100% positive feedback rate, clients consistently commend EXIS for timely delivery, effective project management, and excellent communication. Approximately 80% of reviewers highlight their impressive teamwork and alignment with client needs, underlining EXIS's capability to deliver tailored solutions.

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  • BWA Digital Logotype

    5.0 5 reviews
    $1,000+
    $25 - $49 / hr
    2 - 9
    Istanbul, Türkiye

    Services provided

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

    Focus Areas

    10% JavaScript
    50% PHP
    10% Java +3
    10% Python
    10% SQL
    10% XML

    BWA Digital is a web development company specializing in web design, full-stack web development, and custom website development. Clients consistently praise the company's timely delivery, professional communication, and quality work, with approximately 100% of reviews highlighting these strengths. Reviewers frequently commend BWA Digital's ability to enhance user experience and align with client values effectively.

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  • DO OK Logotype

    4.8 42 reviews
    $5,000+
    $50 - $99 / hr
    50 - 249
    Wrocław, Poland

    Services provided

    10% Web Development
    30% Custom Software Development
    20% IT Staff Augmentation +5
    10% IoT Development
    10% Low/No Code Development
    10% Mobile App Development
    5% AI Development
    5% IT Strategy Consulting

    Focus Areas

    15% JavaScript
    40% Python
    15% Go +5
    10% Redux
    5% Kotlin
    5% Objective C
    5% Swift
    5% Typescript

    DO OK is a software development company specializing in web development, custom website development, and full-stack web development. With a strong focus on quality, they effectively integrate into client teams, providing skilled specialists adept in a range of technologies, including front-end development and back-end development. Reviews reflect a 100% positive sentiment, highlighting their timely delivery, excellent communication, and alignment with client needs.

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  • Waracle Logotype

    4.7 30 reviews
    $25,000+
    $150 - $199 / hr
    50 - 249
    London, England

    Services provided

    10% Web Development
    30% Custom Software Development
    25% AI Development +2
    25% Mobile App Development
    10% AI Consulting

    Focus Areas

    15% JavaScript
    15% Kotlin
    15% Swift +6
    10% Java
    10% Objective C
    10% Python
    10% SQL
    10% Typescript
    5% Go

    Waracle is a distinguished company specializing in Web Application Development and Full-Stack Web Development. Client reviews highlight Waracle's technical expertise, responsive project management, and seamless client communication. Approximately 90% of reviewers commend their ability to simplify complex technical concepts, while 80% appreciate their strategic approach and adaptability to client needs.

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  • ABOVE Digital Logotype

    4.5 2 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Athina, Greece

    Services provided

    30% Web Development
    25% Mobile App Development
    20% E-Commerce Development +2
    20% HR Outsourcing
    5% UX/UI Design

    Focus Areas

    30% JavaScript
    30% PHP
    20% Typescript +2
    10% Other programming & scripting languages
    10% Python

    ABOVE Digital is a web development company specializing in creating interactive and dynamic websites. They are praised for their ability to identify effective development solutions and maintain a client-focused approach. Reviews indicate a strong emphasis on collaboration and responsiveness, with 100% of feedback highlighting their open communication and project management skills. Some suggestions for improvement include increasing communication and availability.

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  • PURPLE Logotype

    4.9 20 reviews
    $10,000+
    $100 - $149 / hr
    50 - 249
    Petah Tikva, Israel

    Services provided

    10% Web Development
    15% IT Staff Augmentation
    15% Low/No Code Development +6
    10% Application Management & Support
    10% Custom Software Development
    10% E-Commerce Development
    10% ERP Consulting and SI
    10% IoT Development
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    20% Java
    20% PHP +3
    20% Swift
    10% ASP.NET
    10% Python

    PURPLE is a web development company specializing in Website Development, Web Design, and Full-Stack Web Development. Across their reviews, PURPLE is consistently praised for their professionalism, creativity, and customer-centric approach, with about 100% of reviewers highlighting their project management skills and responsiveness. Clients commend their ability to deliver projects on time and within budget, with no significant areas for improvement noted.

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  • Semaphore Logotype

    4.6 4 reviews
    $5,000+
    $25 - $49 / hr
    1,000 - 9,999
    Ahmedabad, India

    Services provided

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

    Focus Areas

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

    Semaphore is a versatile software development company that specializes in web development, e-commerce solutions, and mobile application creation. Reviewers consistently praise Semaphore for their effective project management, excellent communication, and the ability to deliver quality solutions on time. Approximately 75% of the reviewers highlight their commitment to success and seamless workflows, while only 25% mention potential areas for improvement, mainly focused on expanding language skills.

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  • Secret Source Technology SL Logotype

    4.8 13 reviews
    $25,000+
    $50 - $99 / hr
    10 - 49
    Las Palmas de Gran Canaria, Spain

    Services provided

    15% Web Development
    60% IT Staff Augmentation
    10% Custom Software Development +3
    5% Graphic Design
    5% Mobile App Development
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    40% PHP
    20% Ruby +2
    10% C#
    10% Redux

    Secret Source Technology SL is a full-service web development company specializing in custom website development, WordPress maintenance, and web application development. The company consistently receives positive feedback, with clients lauding their project management and collaborative approach. Approximately 90% of reviewers emphasize their efficiency and strong communication skills, reflecting Secret Source's commitment to delivering quality results on time and within budget.

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  • Intent Solutions Logotype

    5.0 11 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Kharkiv, Ukraine

    Services provided

    25% Web Development
    25% E-Commerce Development
    25% Mobile App Development +2
    15% API Development
    10% Commercial Development

    Focus Areas

    10% JavaScript
    30% PHP
    15% Java +5
    15% Kotlin
    10% Python
    10% SQL
    5% Typescript
    5% jquery

    Intent Solutions is a web development company specializing in custom software solutions, including full-stack web development and web application development. Across 100% of reviews, clients commend their timely delivery and high-quality service, noting their adaptability and client-focused approach. Many reviewers highlight their expertise in complex web solutions and AI integration, making them a valuable partner for technology-driven projects.

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  • Markupus Logotype

    5.0 27 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Vilnius, Lithuania

    Services provided

    30% Web Development
    30% E-Commerce Development
    20% UX/UI Design +1
    20% Web Design

    Focus Areas

    40% JavaScript
    50% PHP
    10% AJAX

    Markupus is a highly regarded web development company specializing in services like custom website development, front-end and back-end development, and WordPress solutions. Reviews highlight their exceptional project management, effective communication, and dedication to meeting client objectives, with 90% of feedback being positive. Key strengths include responsiveness, high-quality deliverables, and the ability to bring design concepts to life with precision.

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  • eJumpDigital Logotype

    5.0 11 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    București, Romania

    Services provided

    20% Web Development
    30% Mobile App Development
    15% UX/UI Design +3
    15% Web Design
    10% AR/VR Development
    10% Custom Software Development

    Focus Areas

    41% JavaScript
    41% PHP
    18% C#

    eJumpDigital is a proficient Web Development company praised for its expertise in Custom Website Development, Web Programming, and Full-Stack Web Development. With 100% positive feedback, clients consistently commend their professionalism, communication, and commitment to delivering high-quality, user-friendly websites. Approximately 80% of reviewers highlight eJumpDigital's exceptional project management and timely delivery.

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  • Kvaba Interactive Logotype

    4.7 3 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    40% Web Development
    40% Mobile App Development
    20% AR/VR Development

    Focus Areas

    71% JavaScript
    15% SQL
    14% C#

    Kvaba Interactive is a versatile technology and development company known for its innovative solutions, including app development, AR/VR experiences, and educational software modules. With 100% positive feedback from reviewers, common themes include their proactive communication, timely delivery, and strong project management. Clients value their creative approach and ability to meet complex project requirements effectively.

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  • Ray Solutions Ltd Logotype

    5.0 1 review
    $5,000+
    $25 - $49 / hr
    50 - 249
    Lightwater, England

    Services provided

    15% Web Development
    20% AI Development
    20% IT Staff Augmentation +4
    15% Generative AI
    10% Custom Software Development
    10% Low/No Code Development
    10% Mobile App Development

    Focus Areas

    20% JavaScript
    30% Typescript
    20% Python +3
    10% ASP.NET
    10% Other programming & scripting languages
    10% PHP

    Ray Solutions Ltd is a web development company specializing in custom website development and online development. The overall feedback is overwhelmingly positive, with reviewers highlighting their professionalism, promptness, and skillfulness. Approximately 100% of reviewers mention their friendly and dedicated team, emphasizing the company's ability to deliver projects on time with added features.

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  • Kmotion Design Inc. Logotype

    Kmotion Design Inc.

    5.0 4 reviews
    $25,000+
    Undisclosed
    10 - 49

    Services provided

    20% Web Development
    30% UX/UI Design
    15% Pay Per Click +3
    15% Search Engine Optimization
    10% Low/No Code Development
    10% Social Media Marketing

    Focus Areas

    30% JavaScript
    30% PHP
    25% SQL +3
    5% AJAX
    5% Other programming & scripting languages
    5% XML

    Kmotion Design Inc. is a full-service web development and design company known for its custom website development, branding, and project management expertise. With a 100% positive feedback rate from clients across various sectors, they excel in creating tailored solutions and maintaining effective communication. Notably, 75% of reviewers highlight their responsive and attentive approach to client needs.

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  • Tailwebs Technology Pvt Ltd. Logotype

    4.9 10 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Bengaluru, India

    Services provided

    15% Web Development
    35% Mobile App Development
    25% Custom Software Development +4
    10% E-Commerce Development
    5% AI Agents
    5% AI Development
    5% Wearable App Development

    Focus Areas

    10% JavaScript
    25% Ruby
    10% AJAX +6
    10% Kotlin
    10% Python
    10% Redux
    10% SQL
    10% Swift
    5% PHP

    Tailwebs Technology Pvt Ltd. is a web development company specializing in full-stack web and custom website development. Across multiple projects, their team consistently delivers on time, as noted by 100% of reviewers, and customers frequently commend their hands-on approach, responsiveness, and effective project management. Nearly all feedback highlights their ability to meet client needs and their focus on quality execution.

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  • Syntactics, Inc. Logotype

    4.5 9 reviews
    $1,000+
    < $25 / hr
    50 - 249
    Cagayan de Oro, Philippines

    Services provided

    25% Web Development
    20% Search Engine Optimization
    20% Web Design +3
    15% Custom Software Development
    15% Social Media Marketing
    5% Other Digital Marketing

    Focus Areas

    20% JavaScript
    20% AJAX
    20% Java +2
    20% PHP
    20% Python

    Syntactics, Inc. is a web development company specializing in services such as custom website development and web design. Reviewers consistently praise their exceptional customer service and efficient project execution, with 100% noting their responsiveness and timely delivery. One reviewer suggested potential improvement in aligning their training with Silicon Valley standards.

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  • Happyusers Logotype

    Happyusers

    4.9 5 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    50% Web Development
    30% AR/VR Development
    20% Mobile App Development

    Focus Areas

    50% JavaScript
    20% Java
    20% PHP +1
    10% C++

    Happyusers is a web development company specializing in custom website development with capabilities in advanced technologies such as interactive AR. Review feedback indicates a high satisfaction rate, with 100% of reviewers highlighting impressive project management skills and effective daily communication. The company's ability to boost client confidence in new technologies is also notably praised.

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  • Solvative Logotype

    Solvative

    5.0 6 reviews
    $50,000+
    $150 - $199 / hr
    50 - 249

    Services provided

    25% Web Development
    25% E-Commerce Development
    25% IoT Development +1
    25% Mobile App Development

    Focus Areas

    20% JavaScript
    30% PHP
    20% Objective C +2
    20% Swift
    10% Go

    Solvative is a web development company specializing in custom website development and web application development, with strong capabilities in full-stack web development and both front-end and back-end development. The reviews are overwhelmingly positive, highlighting their professionalism, efficiency, and innovative solutions. Approximately 100% of reviewers commend their project management skills and rapid response times, underscoring Solvative’s reputation for reliability and expertise in website and application development.

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  • ScaleUp Logotype

    5.0 4 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Sarajevo, Bosnia and Herzegovina

    Services provided

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

    Focus Areas

    20% JavaScript
    20% C#
    20% C++ +2
    20% Java
    20% SQL

    ScaleUP is a web development company specializing in custom website development and full-stack web development services. The company consistently receives positive feedback, with 100% of reviewers highlighting their impressive communication, project management, and ability to transform ideas into effective designs. Clients commend ScaleUP for their collaborative team approach and efficient delivery, with no significant areas for improvement noted.

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  • Night Kitchen Interactive Logotype

    5.0 1 review
    $5,000+
    $150 - $199 / hr
    2 - 9
    Philadelphia, PA

    Services provided

    25% Web Development
    25% Video Production
    20% Mobile App Development +2
    20% Web Design
    10% Digital Strategy

    Focus Areas

    30% JavaScript
    30% PHP
    20% Other programming & scripting languages +2
    10% AJAX
    10% SQL

    Night Kitchen Interactive is a digital solutions company specializing in creating interactive environments for museums. The reviews highlight their commitment to tailoring technology to enhance visitor experiences, with 100% of feedback expressing satisfaction with their collaborative and engaged approach. Their focus on understanding client needs before implementing technology sets them apart in the industry.

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  • The Web Agent Logotype

    4.5 1 review
    $5,000+
    $100 - $149 / hr
    Freelancer
    Kennebunkport, ME

    Services provided

    60% Web Development
    30% Web Design
    10% Search Engine Optimization

    Focus Areas

    60% JavaScript
    40% PHP

    The Web Agent is a web development company noted for its innovative solutions, excelling in SEO and creative problem-solving. With 100% positive feedback, clients appreciate their expertise in LAMP projects involving HTML, CSS, Javascript, and MySQL. While praised for quality, improvements in timeliness could enhance their service delivery.

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  • Viral Square Logotype

    4.8 4 reviews
    $10,000+
    $25 - $49 / hr
    50 - 249
    Lahore, Pakistan

    Services provided

    10% Web Development
    17% Custom Software Development
    15% UX/UI Design +12
    10% IT Staff Augmentation
    10% Mobile App Development
    6% Application Management & Support
    6% E-Commerce Development
    6% Enterprise App Modernization
    6% Web Design
    4% API Development
    2% AI Development
    2% Cloud Consulting & SI
    2% Cybersecurity
    2% DevOps Managed Services
    2% Microservices Architecture Services

    Focus Areas

    20% JavaScript
    25% Ruby
    15% Redux +6
    10% Typescript
    7% AJAX
    6% ASP.NET
    6% C#
    6% SQL
    5% PHP

    Viral Square is a full-stack web development company known for delivering stable builds and new features. With 100% of reviewers highlighting their impressive responsiveness to feedback, they effectively meet client needs within budget. Their diverse capabilities encompass all languages, enhancing their proficiency in custom website development and web application development.

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  • PNM Group Logotype

    5.0 13 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Vaughan, Canada

    Services provided

    15% Web Development
    25% Branding
    25% Digital Strategy +3
    15% Web Design
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

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

    PNM Group is a web development company specializing in custom website development and backend solutions, including CRM integration. The company receives largely positive feedback, with clients praising their flexibility and responsiveness. While generally commended for their project management, some feedback suggests room for improvement in adhering to timelines. Overall, their work contributes to generating 30-40 leads weekly, showcasing their effectiveness.

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  • Iyrix Technologies Logotype

    5.0 4 reviews
    $1,000+
    $25 - $49 / hr
    50 - 249
    Sialkot, Pakistan

    Services provided

    20% Web Development
    25% Custom Software Development
    20% IT Staff Augmentation +2
    20% Mobile App Development
    15% BI & Big Data Consulting & SI

    Focus Areas

    30% JavaScript
    20% Kotlin
    20% Other programming & scripting languages +2
    20% Python
    10% PHP

    Iyrix Technologies is a web development company specializing in advanced user platform transitions and utilizing the latest I4.0 technologies. Reviews indicate strong project management and flexibility, with 100% of feedback highlighting effective collaboration and openness to change. The team demonstrates a commitment to timely delivery and quality.

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  • GlobalUY Logotype

    4.8 3 reviews
    $25,000+
    $50 - $99 / hr
    50 - 249
    Montevideo, Uruguay

    Services provided

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

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Java +8
    10% PHP
    10% Python
    10% Ruby
    10% SQL
    10% Typescript
    10% jquery
    5% Go
    5% HTML5

    GlobalUY is a web development company specializing in custom website development and web programming. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their exceptional communication and collaborative approach. Their ability to deliver a fully developed, responsive, and secure website while maintaining transparent processes was particularly praised, making them a highly recommended choice for web application development projects.

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  • Rubicon Logotype

    Rubicon

    4.9 4 reviews
    $10,000+
    $25 - $49 / hr
    50 - 249

    Services provided

    15% Web Development
    25% Blockchain
    20% Custom Software Development +3
    20% IT Staff Augmentation
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% HTML5 +10
    10% PHP
    10% SQL
    10% Swift
    10% Typescript
    5% Java
    5% Kotlin
    5% Objective C
    5% Python
    5% Redux
    5% Rust

    Rubicon is a versatile web development company specializing in staff augmentation and technical leadership across web and software development projects. Clients appreciate their effective communication and ability to scale teams quickly, with 100% of reviewers highlighting their timely delivery and resourcefulness. Rubicon is noted for its ability to integrate seamlessly with existing teams, fulfilling custom web development needs efficiently.

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  • Kash Info Solution PVT LTD Logotype

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

    Services provided

    30% Web Development
    30% Custom Software Development
    20% IT Staff Augmentation +2
    10% Cloud Consulting & SI
    10% Mobile App Development

    Focus Areas

    20% JavaScript
    40% PHP
    10% AJAX +3
    10% Other programming & scripting languages
    10% Python
    10% Redux

    Kash Info Solution PVT LTD is a versatile app development company specializing in proof-of-concept projects, particularly using Flutter for privacy-oriented apps. Feedback indicates a 100% satisfaction rate, highlighting their exceptional adaptability, timely delivery, and effective project management. Reviewers consistently commend their professionalism and responsiveness, with no areas for improvement noted.

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  • StandardTouch Web Design & Digital Marketing Company Logotype

    5.0 23 reviews
    $1,000+
    < $25 / hr
    10 - 49
    Riyadh, Saudi Arabia

    Services provided

    15% Web Development
    15% Web Design
    10% E-Commerce Development +6
    10% Ecommerce Marketing
    10% Low/No Code Development
    10% Mobile & App Marketing
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    45% JavaScript
    45% PHP
    10% HTML5

    StandardTouch Web Design & Digital Marketing Company is a specialized web development firm excelling in custom website development, full-stack web development, and web design. Across numerous reviews, 100% of clients praised their professionalism, timely delivery, and ability to enhance online traffic and user engagement, with many highlighting an average traffic increase of 40% and user engagement rise of 35%.

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  • Bornfight Studio Logotype

    4.8 17 reviews
    $25,000+
    $50 - $99 / hr
    50 - 249
    Zagreb, Croatia

    Services provided

    30% Web Development
    30% Web Design
    20% Branding +1
    20% E-Commerce Development

    Focus Areas

    25% JavaScript
    25% PHP
    20% Typescript +2
    15% AJAX
    15% SQL

    Bornfight Studio is a web development company excelling in custom website development, front-end and back-end development, and online development solutions. With 100% positive feedback, clients consistently praise their transparent communication, proactive approach, and technical expertise. Approximately 60% of reviewers highlight their ability to deliver innovative and tailored solutions, while 80% commend their project management and collaborative style.

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  • Yes We Are Mad Logotype

    5.0 1 review
    $10,000+
    $100 - $149 / hr
    10 - 49
    Dania Beach, FL

    Services provided

    30% Web Development
    30% Mobile App Development
    20% UX/UI Design +2
    10% AR/VR Development
    10% Custom Software Development

    Focus Areas

    100% JavaScript

    Yes We Are Mad is a cutting-edge virtual reality development company, praised for its ability to create innovative and immersive training applications. The company consistently receives positive feedback, with 100% of reviewers highlighting their dedication, creativity, and effective project management. Their expertise in integrating user-responsive design elements and commitment to long-term client success are frequently commended.

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  • Ninjas Code Logotype

    4.8 4 reviews
    $5,000+
    $25 - $49 / hr
    2 - 9
    Mountain View, CA

    Services provided

    50% Web Development
    50% Mobile App Development

    Focus Areas

    100% JavaScript

    Ninjas Code is a proficient web development company specializing in website and mobile application development, demonstrated by their successful delivery of a fully integrated React Native app and website for on-demand services. The company receives overwhelmingly positive feedback, with clients praising their effective project management and commitment to meeting requirements, as noted by 100% of reviewers.

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  • Hilborn Digital Logotype

    5.0 1 review
    $5,000+
    $100 - $149 / hr
    2 - 9
    Toronto, Canada

    Services provided

    20% Web Development
    80% Search Engine Optimization

    Focus Areas

    50% JavaScript
    50% PHP

    Hilborn Digital is a comprehensive digital services agency specializing in web development, digital marketing, and SEO. Their clients consistently praise their project management skills and expertise, leading to significant improvements in search engine rankings. With 100% positive feedback, Hilborn Digital is recognized for exceeding expectations and delivering high-quality results.

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  • SoftTeco Logotype

    4.8 13 reviews
    $10,000+
    $25 - $49 / hr
    250 - 999
    Warszawa, Poland

    Services provided

    20% Web Development
    25% Custom Software Development
    25% Mobile App Development +6
    10% UX/UI Design
    5% AI Development
    5% E-Commerce Development
    5% IoT Development
    3% AI Consulting
    2% Generative AI

    Focus Areas

    20% JavaScript
    15% Java
    10% C# +9
    10% Kotlin
    10% Swift
    5% ASP.NET
    5% Objective C
    5% PHP
    5% Python
    5% Redux
    5% SQL
    5% XML

    SoftTeco is a versatile software development company specializing in mobile applications and IT staff augmentation. Reviews highlight their dedication to meeting project timelines, with several clients praising their proactive approach and technical expertise. Approximately 90% of clients express satisfaction with their responsiveness and ability to adapt to changing project requirements. Clients frequently commend their professionalism and commitment to delivering high-quality solutions, emphasizing successful project outcomes and effective communication.

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  • Intelia Logotype

    4.9 8 reviews
    $25,000+
    $25 - $49 / hr
    10 - 49
    Lagos, Nigeria

    Services provided

    10% Web Development
    35% Custom Software Development
    35% IT Staff Augmentation +2
    10% AI Development
    10% Mobile App Development

    Focus Areas

    30% JavaScript
    15% Python
    15% Swift +5
    10% Kotlin
    10% Redux
    10% SQL
    5% Java
    5% Ruby

    Intelia provides comprehensive Web Development services, specializing in e-commerce solutions with a strong focus on Web Design and Web Programming. Reviews highlight their professionalism, effective project management, and impressive on-time delivery. Clients particularly appreciate their highly skilled team and seamless communication throughout the development process.

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  • Priotix Logotype

    5.0 5 reviews
    $100,000+
    $25 - $49 / hr
    10 - 49
    Yerevan, Armenia

    Services provided

    25% Web Development
    25% Mobile App Development
    20% Cloud Consulting & SI +4
    10% Product Design
    10% UX/UI Design
    5% Custom Software Development
    5% IT Strategy Consulting

    Focus Areas

    40% JavaScript
    15% Kotlin
    15% Swift +3
    10% Other programming & scripting languages
    10% Redux
    10% Typescript

    Priotix is a web development company specializing in custom website development and web application development, employing technologies such as React, Node.js, and MongoDB. Across their reviews, 100% of clients praise their flexibility, communication, and agile project management, highlighting their ability to adapt and deliver effective solutions in complex industries like e-sports.

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  • Xseed Solutions Logotype

    Xseed Solutions

    4.8 3 reviews
    $25,000+
    $50 - $99 / hr
    10 - 49

    Services provided

    40% Web Development
    40% Mobile App Development
    10% IT Staff Augmentation +1
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    15% C#
    10% ASP.NET +8
    10% Java
    10% Objective C
    8% SQL
    7% PHP
    5% AJAX
    5% Other programming & scripting languages
    5% Swift
    5% XML

    Xseed Solutions is a versatile software development company specializing in web and mobile app development. Reviews highlight their technical expertise, creativity, and project management skills, with 100% of the feedback being positive. Clients appreciate their ability to exceed expectations and adapt to project needs, although cost adjustments were occasionally noted as an area for improvement.

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  • Vilni Logotype

    Vilni

    4.9 6 reviews
    $5,000+
    $100 - $149 / hr
    2 - 9

    Services provided

    10% Web Development
    10% Branding
    10% E-Commerce Development +11
    10% Logo
    10% UX/UI Design
    10% Web Design
    5% Advertising
    5% Ecommerce Marketing
    5% Email Marketing
    5% Graphic Design
    5% Mobile & App Marketing
    5% Mobile App Development
    5% Product Design
    5% Social Media Marketing

    Focus Areas

    50% JavaScript
    25% HTML5
    25% jquery

    Vilni is a web development company specializing in Web Design and Web Application Development. The reviews indicate a high level of satisfaction, with 100% positive feedback highlighting their ability to bring client visions to life and improve website traffic. Clients appreciate their timely project delivery and effective communication.

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  • Milies Logotype

    5.0 17 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Yerevan, Armenia

    Services provided

    10% Web Development
    20% Mobile App Development
    15% API Development +5
    15% Blockchain
    10% E-Commerce Development
    10% IT Staff Augmentation
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    15% JavaScript
    15% ASP.NET
    15% C# +7
    15% Typescript
    10% Redux
    10% SQL
    5% HTML5
    5% Other programming & scripting languages
    5% backbone.js
    5% jquery

    Milies is a distinguished web development company known for providing comprehensive Full-Stack Web Development and Custom Website Development services. Across numerous reviews, 100% of clients praised their technical expertise, project management, and responsiveness. Notably, 80% of reviewers highlighted their ability to deliver projects on time and within budget, often exceeding expectations in communication and problem-solving.

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  • Tuxon Logotype

    Tuxon

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

    Services provided

    35% Web Development
    35% Mobile App Development
    30% IT Strategy Consulting

    Focus Areas

    20% JavaScript
    30% PHP
    10% SQL +7
    10% Typescript
    5% AJAX
    5% C#
    5% HTML5
    5% Other programming & scripting languages
    5% Python
    5% jquery

    Tuxon is a web development company specializing in Web Development, API Integrations, and DevOps Consulting. Clients commend their problem-solving skills and commitment, with 100% expressing satisfaction in project outcomes, noting significant improvements in visitor numbers and tool functionality. While the cost and value were favorably mentioned, some suggested expanding their team for larger projects.

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  • TulipTech Ltd. Logotype

    5.0 6 reviews
    $10,000+
    $50 - $99 / hr
    50 - 249
    Leicester, England

    Services provided

    10% Web Development
    30% Custom Software Development
    15% Mobile App Development +6
    10% AI Development
    10% IT Managed Services
    10% Web Design
    5% E-Commerce Development
    5% ERP Consulting and SI
    5% IT Staff Augmentation

    Focus Areas

    25% JavaScript
    15% Python
    15% SQL +5
    10% ASP.NET
    10% Kotlin
    10% Other programming & scripting languages
    10% PHP
    5% Typescript

    TulipTech Ltd. is a versatile web development company specializing in custom website development and full-stack web development solutions, including mobile applications and e-commerce platforms. With a 100% positive feedback rate, clients commend their professionalism, on-time delivery, and ability to align with business goals, with 75% of reviewers highlighting their robust project management and collaborative approach.

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  • Qwerty Logotype

    5.0 3 reviews
    $25,000+
    $25 - $49 / hr
    10 - 49
    T'bilisi, Georgia

    Services provided

    30% Web Development
    40% Mobile App Development
    15% UX/UI Design +2
    10% Product Design
    5% IoT Development

    Focus Areas

    20% JavaScript
    30% Typescript
    10% PHP +5
    10% Redux
    10% SQL
    10% Swift
    5% Kotlin
    5% Objective C

    Qwerty is a web development company specializing in web and application development, including web design and custom website development. Reviews highlight their expertise and timely delivery, with 100% of reviewers expressing satisfaction and recommending their services. Their team is praised for fast response times and quality code, contributing to successful collaborations with diverse clients.

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  • ConsoleDot Logotype

    5.0 1 review
    $5,000+
    $25 - $49 / hr
    10 - 49
    Lahore, Pakistan

    Services provided

    10% Web Development
    20% Generative AI
    15% ERP Consulting and SI +5
    15% IT Staff Augmentation
    10% AR/VR Development
    10% Custom Software Development
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    24% JavaScript
    18% Typescript
    12% Java +8
    6% Other programming & scripting languages
    6% PHP
    6% Python
    6% Redux
    6% Ruby
    6% Swift
    6% XML
    4% AJAX

    ConsoleDot is a consultancy specializing in AI architecture and rapid prototype development. Overall, they receive highly positive feedback, with 100% of reviewers highlighting their timely delivery and strategic guidance. Clients appreciate their role in achieving significant business outcomes, such as reaching $15K MRR within 45 days.

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  • Codeq Logotype

    5.0 17 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Gdańsk, Poland

    Services provided

    20% Web Development
    30% E-Commerce Development
    20% IT Staff Augmentation +2
    20% UX/UI Design
    10% Custom Software Development

    Focus Areas

    20% JavaScript
    30% Typescript
    20% PHP +5
    10% Python
    5% C#
    5% Java
    5% Objective C
    5% Other programming & scripting languages

    Codeq is a web development company that excels in website and web application development, with a focus on UX/UI design, custom website development, and full-stack web development. Reviews laud their professionalism, timely delivery, and effective communication, with 100% of reviewers praising their project management and creativity. Customers consistently highlight Codeq's ability to tailor solutions to meet specific needs, and their dedication to delivering high-quality work that aligns with client goals.

    See all 17 projects
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  • Milo Digital Logotype

    Milo Digital

    5.0 2 reviews
    $10,000+
    $150 - $199 / hr
    2 - 9

    Services provided

    40% Web Development
    30% Web Design
    10% Branding +2
    10% Cloud Consulting & SI
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    60% PHP
    20% SQL

    Milo Digital is a web development company that excels in full-stack web development and custom website development. Reviews highlight their reliability, responsiveness, and ability to integrate business goals with technical solutions, with 100% positive feedback emphasizing their hands-on approach and cost-effective services. Clients consistently praise Milo Digital's innovative problem-solving and customer-centric focus.

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  • DEVNRISE Web Agency Logotype

    4.8 22 reviews
    $10,000+
    $50 - $99 / hr
    2 - 9
    Rīga, Latvia

    Services provided

    25% Web Development
    30% E-Commerce Development
    20% Digital Strategy +2
    20% Search Engine Optimization
    5% Web Design

    Focus Areas

    20% JavaScript
    55% PHP
    20% SQL +1
    5% XML

    DEVNRISE Web Agency specializes in Website Development, offering services such as Web Design, Custom Website Development, and SEO. The agency consistently delivers high-quality and timely projects, with 100% of reviewers highlighting their responsiveness and professionalism. Clients frequently commend their ability to align with company values and provide value for cost, making DEVNRISE a highly recommended partner for diverse web development needs.

    See all 22 projects
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  • WiWi Logotype

    4.9 7 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Białystok, Poland

    Services provided

    40% Web Development
    50% Web Design
    10% E-Commerce Development

    Focus Areas

    25% JavaScript
    50% PHP
    25% SQL

    WiWi is a comprehensive web development company offering services such as Website Development, Web Design, and SEO. Across varied projects, 100% of reviewers praised WiWi for their professional approach, efficient communication, and ability to deliver aesthetically pleasing and functional websites. Clients consistently highlight WiWi's strategic consulting and commitment to long-term partnerships as standout qualities.

    See all 7 projects
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  • Toporin Studio Logotype

    5.0 13 reviews
    $10,000+
    $100 - $149 / hr
    2 - 9
    San Diego, CA

    Services provided

    30% Web Development
    20% Web Design
    10% Content Marketing +4
    10% Email Marketing
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    25% JavaScript
    30% Other programming & scripting languages
    30% PHP +1
    15% Java

    Toporin Studio is a full-service web development company highly regarded for its comprehensive range of services, including custom website development, SEO, digital marketing, and web application development. Their reviews are overwhelmingly positive, with 100% of clients praising their project management, timely delivery, and professional communication. Notably, multiple reviewers emphasize Toporin Studio's expertise in front-end and back-end development, as well as their commitment to client success.

    See all 13 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
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  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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