Top JavaScript Developers
-
Featured
What are Featured Providers?
$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
Focus Areas
See all 87 projectsDigis, a Fiverr company (NYSE: FVRR), is a web development firm offering comprehensive solutions in custom website development, full-stack web development, and web application development. With 100% positive feedback, clients commend their seamless integration into teams, high-quality deliverables, and responsiveness. Approximately 80% of reviews highlight their effective project management and communication, emphasizing their reliability and expertise in meeting project milestones.
-
$1,000+$25 - $49 / hr2 - 9Rabat, Morocco
Services provided
Focus Areas
See all 6 projectsCode Studio is a web development company specializing in custom website and web application development. They excel in full-stack web development and have a strong reputation for delivering high-quality projects, with 100% of reviews highlighting their adaptability and expertise in Webflow. Clients appreciate their proactive project management and problem-solving skills, consistently praising their responsiveness and client-oriented approach.
-
$10,000+$25 - $49 / hr50 - 249
Services provided
Focus Areas
See all 16 projectsIceRock Development is a web development company specializing in custom website development, web application development, and full-stack web development. Across their reviews, 100% of clients highlight their effective project management and communication. Clients also appreciate their ability to integrate into their teams and adapt to changing project needs, with some noting areas for improvement in flexibility and resource availability.
-
$25,000+$200 - $300 / hr50 - 249
Services provided
Focus Areas
See all 1 projectsInternetrix is a digital marketing company specializing in SEO, Google Ads, and brand recognition strategies. Reviews highlight their strong customer service and expertise, with 100% positive feedback emphasizing their ability to optimize cost savings and deliver excellent work. Clients commend their responsiveness and technical knowledge, making them a reliable partner in achieving marketing objectives.
-
$1,000+$50 - $99 / hr2 - 9Kyiv, Ukraine
Services provided
Focus Areas
See all 2 projectsPurrcode Solutions is a web development company that excels in coding and customizing websites across various technologies, including PHP, Laravel, node.js, and React. Their clients appreciate the company's responsiveness, quality-focused approach, and ability to meet project requirements. Reviewers consistently recommend Purrcode Solutions, highlighting their expertise and commitment to client satisfaction.
-
$1,000+< $25 / hr2 - 9L'viv, Ukraine
Services provided
Focus Areas
See all 2 projectsVRB teсh is a web development company specializing in comprehensive web and mobile app solutions, including back-end development and chat integration. The reviews reflect a 100% positive experience, highlighting their exceptional customer service, timely delivery, and strong client relationships. Ross and Vitaliy are noted for their impressive professionalism and dedication to providing excellent value for money.
-
$10,000+Undisclosed50 - 249
Services provided
Focus Areas
See all 2 projectsTechnEdge Solutions is a web development company specializing in web design and custom website development. They received 100% positive feedback, with clients praising their responsiveness and quick turnaround times. Their ability to execute clients' visions and enhance business outcomes is consistently highlighted.
-
$25,000+$50 - $99 / hr2 - 9Palhoça, Brazil
Services provided
Focus Areas
See all 1 projectsDub Soluções Mobile - Out of Business was a mobile application and website development company known for its efficient project management and strong communication skills. Their services included developing reservation systems for both iOS and Android, enhancing company credibility. The company received positive feedback for their use of tools like InVision and Trello, with 100% of reviewers praising their communication and management capabilities.
-
$5,000+$50 - $99 / hr10 - 49
Services provided
Focus Areas
See all 10 projectsKing of CMS Consulting is a web development company that excels in delivering comprehensive digital solutions, including website development, custom website development, and web programming. The reviews reflect a 100% positive feedback with clients praising their professionalism, responsiveness, and ability to align technical expertise with client goals. Approximately 33% of reviewers mention their effective communication and project management skills as standout qualities.
-
$25,000+$50 - $99 / hr10 - 49
Services provided
Focus Areas
See all 1 projectsThinkerfox is a consulting firm specializing in infrastructure and CRM solutions, praised for its technical expertise and agile response. All reviewers provide positive feedback, highlighting their professional approach and integration as a true partner in client projects, with a 100% satisfaction rate.
-
$1,000+$50 - $99 / hr2 - 9Istanbul, Türkiye
Services provided
Focus Areas
See all 1 projectsScaefy is a proficient web development company specializing in custom API development and seamless integration of AI solutions into WordPress environments. With 100% positive feedback, clients praise their technical expertise, clear communication, and commitment to innovation. They notably achieved a 45% increase in user interaction rates and reduced page load times by over 30%.
-
$10,000+$150 - $199 / hr10 - 49Seattle, WA
Services provided
Focus Areas
See all 6 projectsHelpful Human is a web development company specializing in custom website development and web application development. Across their reviews, 100% of clients praised their exceptional project management skills and customer service, with particular emphasis on their ability to effectively communicate and educate clients. Their work, including full-stack web development and online development, is consistently described as efficient, creative, and reliable.
-
$1,000+$25 - $49 / hr2 - 9Athina, Greece
Services provided
Focus Areas
See all 3 projectsNBW Internet Wizards is a web development company specializing in Website Development and Web Design. With 100% positive feedback, clients commend their efficiency, professionalism, and exceptional customer orientation. Reviewers consistently highlight their punctuality and responsiveness, with no areas for improvement noted.
-
$5,000+$50 - $99 / hr10 - 49Amsterdam, Netherlands
Services provided
Focus Areas
See all 1 projectsRebels is a frontend development company specializing in creating optimized and reusable career pages for client platforms. Feedback highlights their expertise, collaboration, and innovative approach, with 100% of reviewers noting a positive experience and strong project impact. Clients appreciate their knowledgeable team and recommend involving them early in projects for maximum benefit.
-
Undisclosed$150 - $199 / hr50 - 249Bengaluru, India
Services provided
Focus Areas
See all 2 projectsSoftway is a web development company known for its ability to translate business goals into functional software, with expertise in technologies like Adobe Flex, HTML5, and Java. Their leadership offers a unique blend of programming and business acumen, and they maintain close client collaboration, with 100% of reviewers appreciating their innovative approach and leadership involvement.
-
$1,000+< $25 / hr50 - 249Kolkata, India
Services provided
Focus Areas
See all 2 projectsTechShu is a digital marketing agency known for its expertise in enhancing brand value and managing online reputation. The company has been praised for its responsive service and in-depth knowledge of digital strategies, with 100% of reviewers noting their impressive expertise and effective collaboration. While their campaigns have successfully increased engagement and conversions, there is a noted area for improvement in meeting timelines.
-
UndisclosedUndisclosed10 - 49Athina, Greece
Services provided
Focus Areas
See all 8 projectsQuintessential SFT is a web development company renowned for their expertise in custom website development and web design. Clients commend them for timely delivery, effective communication, and the ability to suggest impactful improvements, with over 90% of reviewers highlighting their professionalism and responsiveness. However, there are minor suggestions for improvement in meeting clarity and response times.
-
$1,000+$25 - $49 / hr2 - 9
Services provided
Focus Areas
See all 2 projectsStrowberry Code is a web development company specializing in custom website development and web design. The firm has received overwhelmingly positive feedback, with 100% of clients praising their professionalism, responsiveness, and ability to deliver tailored solutions. A recurring theme is their dedication to high-quality work and effective project management, greatly enhancing clients' online development outcomes.
-
$10,000+$50 - $99 / hr10 - 49Chișinău, Moldova
Services provided
Focus Areas
See all 2 projectsSynthax Codes is a full-stack web development company specializing in custom website development, web design, and online development. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their timely delivery and problem-solving abilities. Clients commend their seamless integration and responsive design across platforms, noting a significant increase in user engagement and satisfaction post-project completion.
-
$1,000+$100 - $149 / hr2 - 9Chicago, IL
Services provided
Focus Areas
See all 3 projectsCiffone Digital is a web development company that excels in improving online presence through custom website development and comprehensive digital marketing strategies. With 100% positive feedback, clients appreciate their proactive approach, effective project management, and strategic use of technology, which has led to enhanced user engagement and increased sales for their clients.
-
$25,000+$25 - $49 / hr10 - 49Yerevan, Armenia
Services provided
Focus Areas
See all 2 projectsELSE Team is a proficient IT company specializing in custom development, particularly in blockchain, backend, and frontend development services. The reviews indicate a 100% positive feedback, highlighting their expertise in blockchain technology, professionalism, responsiveness, and ability to deliver projects on time. Notably, 100% of reviewers appreciated their clear communication and quick delivery, underscoring a positive client experience.
-
$1,000+$25 - $49 / hr2 - 9Taylor, TX
Services provided
Focus Areas
See all 3 projectsNetUplift offers Website Development and SEO services, delivering detailed and visually appealing websites. Clients consistently praise their attention to detail, smooth project processes, and effective communication. Overall feedback highlights significant business growth post-launch and a positive working relationship, demonstrating NetUplift's capability in Web Dev and Online Development.
-
$25,000+$50 - $99 / hr10 - 49Beograd, Serbia
Services provided
Focus Areas
See all 1 projectsGolux Technologies is a web development company specializing in custom website development, offering services such as front-end development with React.js and back-end development using Laravel PHP. Reviews highlight their adaptability and dedication, with clients noting satisfaction with their code quality and project management. However, they lack QA engineers and designers, which may limit their lead on larger projects.
-
$1,000+< $25 / hr2 - 9Jaipur, India
Services provided
Focus Areas
See all 4 projectsSpaceRocket Creations is a web development company specializing in full-stack web development, web design, and online platform development. All reviewers expressed satisfaction with their deliverables, highlighting their strong work ethic and effective project management. Notably, 100% of the feedback was positive, with clients praising their responsiveness and commitment to meeting specific project needs.
-
$10,000+$25 - $49 / hr250 - 999Berlin, Germany
Services provided
Focus Areas
See all 3 projectsFantasy Sports Solutions is a web application development company specializing in custom solutions for the fantasy sports industry. They are highly praised for their effective project management and understanding of startup needs, with over 85% positive feedback highlighting their transparency and adaptability. Some reviewers noted initial communication challenges due to language barriers, but these improved over time.
-
$5,000+$50 - $99 / hr2 - 9București, Romania
Services provided
Focus Areas
See all 1 projectsTouchSize is a design and consulting firm specializing in creating mobile-first platforms with responsive designs for desktops. Their services are highly praised, with 100% positive feedback highlighting their effective project management, timely delivery, and ongoing support. Clients appreciate the personal involvement of top management, notably Stefan, the CEO, in ensuring project success.
-
$5,000+$25 - $49 / hr50 - 249Cape Town, South Africa
Services provided
Focus Areas
See all 2 projectsThe Delta is a venture-building firm specializing in developing MVPs and commercializing businesses. Reviews highlight their speed, effective communication, and alignment with client values. A high percentage of clients commend their responsiveness and innovative approach, with significant business growth reported, such as a 4x revenue increase. However, initial service offerings' clarity could improve.
-
$25,000+< $25 / hr10 - 49Sialkot, Pakistan
Services provided
Focus Areas
See all 1 projectsAstapor Technologies is a web development company excelling in online development services. Their reviews highlight a strong emphasis on the quality of work and timely project completion, with 100% positive feedback on their project management and communication. Clients appreciate their good value for cost, making them a favorable choice for projects.
-
$10,000+$50 - $99 / hr10 - 49Cairo, Egypt
Services provided
Focus Areas
See all 1 projectsIKEN Technology is a development company specializing in mobile app creation. They are highly rated for their technical expertise and ability to deliver projects on time, as evidenced by their successful deployment of a bug-free mobile app. With all feedback being positive, clients appreciate their value for cost and robust project management.
-
$10,000+$100 - $149 / hr2 - 9Wien, Austria
Services provided
Focus Areas
See all 4 projectsBELICHBERG is a prominent web development company specializing in full-stack web development, with a focus on complex redesigns and web programming. The reviews highlight their expertise, on-time delivery, and proactive communication, with 100% positive feedback for accommodating client needs and delivering high-quality outcomes. They are praised for their skilled developers and alignment with client values and budgets.
-
$10,000+$25 - $49 / hr10 - 49AAP, Argentina
Services provided
Focus Areas
See all 2 projectsZennovia is a web development company specializing in web application development and custom website development. Reviewers consistently highlight their excellent technical knowledge and strong customer focus, with 100% positive feedback on project deliverables and reduced credential management time. Minor areas for improvement include scope change analysis delays and handling staff absences.
-
$5,000+$100 - $149 / hr2 - 9
Services provided
Focus Areas
See all 1 projectsThe Blackpepper Studio specializes in Website Development and Web Design, offering services that include creating brand identity and custom website solutions. According to reviews, they excel in communication and project management, with 100% positive feedback on their thorough understanding and execution of client needs, enhancing clients' market presence and business opportunities.
-
$1,000+$25 - $49 / hr10 - 49Santiago, Chile
Services provided
Focus Areas
See all 5 projectsDevArtisan SpA is a web development company specializing in custom website development and full-stack web development solutions. The company is highly praised for its project management skills and communication, with approximately 100% of reviews highlighting their efficiency and responsiveness. Clients frequently commend their ability to enhance user experience and deliver tailored web solutions, resulting in increased user engagement and significant performance improvements.
-
$10,000+$200 - $300 / hr10 - 49Oakland, CA
Services provided
Focus Areas
See all 2 projectsReverence Global is a comprehensive web development and digital marketing company known for its exceptional service and professionalism. The majority of reviews praise their capability in website redesign and ADA compliance, with 100% of reviewers expressing satisfaction with their project management and communication. Reverence Global's clients highlight their efficiency and the positive impact on business growth.
-
$5,000+$200 - $300 / hr2 - 9
Services provided
Focus Areas
See all 6 projectsPathbrand is a web development company specializing in Website Development, Web Design, and Custom Website Development services. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their efficiency, timely project delivery, and effective communication. Reviewers highlight Pathbrand's ability to handle complex problems with diverse solutions and express high satisfaction with their value for cost.
-
$1,000+$50 - $99 / hr2 - 9Tacoma, WA
Services provided
Focus Areas
See all 4 projectsGrinev Studio is a web development company specializing in custom website development, web programming, and full-stack web development. With a 100% positive feedback rate, clients praise their professionalism, creativity, and effective project management. Notably, 75% of reviewers commend their ability to adapt and learn new software solutions to meet unique client needs.
-
$5,000+$25 - $49 / hr10 - 49
Services provided
Focus Areas
See all 5 projectsBrandBugs is a web development company specializing in custom website development, web design, and digital transformation solutions. With a strong emphasis on timely delivery and excellent project management, 100% of reviewers praised their unique development skills and responsiveness. Clients commend the company for their quick turnaround, effective communication, and high-quality deliverables, though a few suggested improvements in Google optimization keywords.
-
$1,000+$50 - $99 / hr2 - 9
Services provided
Focus Areas
See all 8 projectsCodesign Technologies Inc. is a web development company specializing in website development and web design services. They are praised for their professionalism, quality, and timely project delivery, with 100% of reviews highlighting these aspects. They have successfully driven traffic growth and met tight deadlines, although a minor area for improvement noted was response time.
-
$1,000+< $25 / hr10 - 49Kolkata, India
Services provided
Focus Areas
See all 5 projectsIDIOSYS - A Global Leader in IT Consultancy specializes in Web Development, offering services including Website Design, Web Programming, and Full-Stack Web Development. Reviews highlight their excellent communication, fast delivery, and adaptability, with over 90% noting their responsive project management and customer satisfaction. Clients commend their effectiveness in creating secure, user-friendly websites and business-boosting digital solutions.
-
$1,000+$50 - $99 / hr2 - 9Beltinci, Slovenia
Services provided
Focus Areas
See all 3 projectsModriWeb, a web development company, consistently delivers timely and responsive services, emphasizing web design, development, and integration. With 100% positive feedback, clients appreciate their technical expertise in platforms like WordPress and Shopify, along with their excellent communication and alignment with company values, making them a reliable partner for enhancing digital presence.
-
$10,000+$50 - $99 / hr10 - 49Široki Brijeg, Bosnia and Herzegovina
Services provided
Focus Areas
See all 12 projectsglobalsoft is a proficient web development company specializing in Custom Website Development and Full-Stack Web Development. They consistently receive favorable reviews, with 100% of clients praising their timely deliveries, transparency, and high-quality output. Clients highlight their impressive project management and innovative solutions, showing a strong dedication to meeting and exceeding expectations.
-
$1,000+< $25 / hr50 - 249Ahmedabad, India
Services provided
Focus Areas
See all 2 projectsData EximIT is a mobile app development company highly regarded for its expertise in creating complex, cross-platform applications. Feedback indicates a strong project management and development team, with 100% of reviewers highlighting their professionalism and responsiveness. While successful in meeting project goals, some reviews suggest room for improvement in pre-development planning.
-
$1,000+< $25 / hr2 - 9London, England
Services provided
Focus Areas
See all 2 projectsAgileSchemata is a web development company specializing in Custom Website Development and UX solutions. With 100% positive feedback, clients commend their on-time delivery and effective communication. The company is recognized for enhancing user experiences, resulting in increased sales for clients.
-
$25,000+$50 - $99 / hr10 - 49Guildford, England
Services provided
Focus Areas
See all 5 projectsCommunere Ltd is a web development company specializing in Web Application Development and Full-Stack Web Development. According to reviews, 100% of feedback is positive, highlighting their professionalism, quick implementation, and responsiveness. The company excels in adapting to rapid feature changes and maintaining high-quality standards.
-
$50,000+$100 - $149 / hr250 - 999Baltimore, MD
Services provided
Focus Areas
See all 5 projectsSurge – a Catalyte company specializes in custom website development, offering services like web design and full-stack web development. The feedback is overwhelmingly positive, with 100% of reviewers highlighting their responsiveness, high-quality deliverables, and flexibility in accommodating time zone requirements. Surge's seamless project management and quick turnaround time are particularly praised, ensuring client satisfaction.
-
$5,000+$50 - $99 / hr10 - 49Zürich, Switzerland
Services provided
Focus Areas
See all 4 projectskadasolutions is a web development company specializing in Website Development and Web Application Development. Reviews highlight their professional approach, excellent project management, and ability to deliver on time. Impressively, 100% of reviewers praised their understanding of client needs and high-quality service, making them a highly recommended partner for online development projects.
-
$1,000+$25 - $49 / hr10 - 49Călărași, Romania
Services provided
Focus Areas
See all 3 projectsF.P.D. Consulting & Solutions is a website development company specializing in web design and online store development. The feedback highlights a 100% satisfaction rate, with clients praising their project management, innovative ideas, and effective design solutions. Approximately 75% of reviewers noted significant traffic increases, emphasizing their expertise in full-stack web development and web application development.
-
$1,000+$50 - $99 / hr2 - 9
Services provided
Focus Areas
See all 9 projectsTitan Dev Agency is a web development company specializing in WordPress, Website Development, and custom CMS solutions. Impressively, 100% of reviewers highlight their problem-solving skills and commitment to delivering high-quality, functional websites. Although initial communication issues were noted, all clients praised their persistence, adherence to timelines, and ability to exceed expectations. Their work ethic and code quality consistently receive positive feedback.
-
$5,000+$100 - $149 / hr10 - 49
Services provided
Focus Areas
See all 2 projectsVanta Studios is a versatile marketing agency known for its expertise in creating promotional videos, as evidenced by their engagements with artists and tech firms. Reviews highlight their professionalism, aesthetic vision, and effective communication, with 100% of clients expressing satisfaction and no mentions of areas for improvement.
-
UndisclosedUndisclosed10 - 49
Services provided
Focus Areas
See all 1 projectsMindcraft is a branding and design agency specializing in logo creation and comprehensive branding strategies. Reviews indicate a 100% satisfaction rate, highlighting their commitment to exceptional customer service and timely project delivery. Nearly all reviewers emphasize their professionalism, attention to detail, and ability to enhance brand recognition and perception. Mindcraft's dedication to client satisfaction and their collaborative approach are frequently praised.
-
$5,000+$25 - $49 / hr10 - 49Managua, Nicaragua
Services provided
Focus Areas
See all 2 projectsLogica is a technology solutions provider specializing in custom application development and web services. Their clients commend them for their seamless integration into teams, effective communication, and ability to deliver high-quality, timely solutions. Logica's work consistently results in increased efficiency and new revenue streams. Approximately 100% of reviews highlight their impressive skill set, transparency, and cost-effectiveness, with no noted areas for improvement.
Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.
Get My Matches
Tell us what you need — we’ll match you with top agencies in minutes.
Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
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.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
List of the Top 15 JavaScript Development Companies
-
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
37.7/40.018.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.9/40.019.6/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
Ability to deliver
36.9/40.019.6/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.4/40.016.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other
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.