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), specializes in full-stack web development, providing comprehensive services such as web and mobile app development, front-end and back-end engineering, and UI/UX design. With over 90% positive feedback, clients consistently praise their technical expertise, seamless communication, and proactive project management, attributing significant business success and operational enhancements to Digis' contributions.
-
$10,000+$50 - $99 / hr50 - 249Łódź, Poland
Services provided
Focus Areas
See all 34 projectsLiki is a web development company offering services such as front-end and back-end development, web application development, and custom website development. Reviews highlight Liki's expertise in web technologies, with 100% of reviewers noting their technical skills and ability to adapt to client needs. Clients appreciate their effective communication and project management, resulting in high satisfaction with the quality and timeliness of deliverables.
-
$5,000+$50 - $99 / hr10 - 49Singapore, Singapore
Services provided
Focus Areas
See all 30 projectsOrfeostory Pte Ltd is a web development company specializing in Custom Website Development and Web Design, known for their professionalism, prompt communication, and ability to meet deadlines. With 100% positive feedback on responsiveness and project delivery, they excel in creating user-friendly, aesthetically pleasing sites that align with client branding. Clients appreciate their accommodating nature and creative suggestions, although some noted room for improvement in project management and quality checks.
-
$5,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
Services provided
Focus Areas
See all 24 projectsWeband Studio is a proficient web development company offering services such as Website Development, Web Design, and Full-Stack Web Development. They are praised for their professionalism and responsiveness, with 100% of reviews highlighting their excellent project management and communication skills. Clients consistently commend their ability to deliver custom, user-friendly designs on time, often exceeding expectations.
-
$100,000+$150 - $199 / hr50 - 249Washington, DC
Services provided
Focus Areas
See all 22 projectsInteractive Strategies is a versatile web development company that excels in full-stack web development, custom website development, and web design. Across various projects, 95% of clients have praised their strategic approach and project management, noting the successful delivery of websites on time and under budget. Clients often commend their adaptability and commitment to understanding specific organizational needs, making them a reliable partner for web application development and more.
-
$5,000+< $25 / hr10 - 49Ho Chi Minh, Vietnam
Services provided
Focus Areas
See all 2 projectsARI Technology is a technology consulting firm specializing in AI and Big Data solutions. Reviews indicate a high level of professionalism and efficient project management, with 100% positive feedback on meeting deadlines and responsiveness. Notably, 100% of reviewers appreciate their proactive approach, though some suggest improvements in the feedback collection process during project handover stages.
-
$10,000+$25 - $49 / hr10 - 49Timișoara, Romania
Services provided
Focus Areas
See all 27 projectsWebamboos is a proficient web development company specializing in custom website development, web application development, and full-stack web development. The company has received overwhelmingly positive feedback, with reviewers frequently praising their professionalism, communication, and ability to meet deadlines. Approximately 80% of the reviews highlight their effective project management and successful deliverables, indicating a strong client satisfaction rate.
-
$5,000+$50 - $99 / hr10 - 49Częstochowa, Poland
Services provided
Focus Areas
See all 12 projectsBrival is a versatile software development company specializing in creating telemedicine platforms, investment platforms, e-commerce solutions, and mobile applications. Reviewers consistently highlight Brival's excellent communication, methodical project management, and ability to deliver projects on time and within budget. Notably, 100% of reviewers praised their responsiveness and flexibility in accommodating changing project needs, while 90% emphasized their problem-solving skills and commitment to client satisfaction.
-
$10,000+$50 - $99 / hr10 - 49Kraków, Poland
Services provided
Focus Areas
See all 15 projectsSolidstudio - eMobility Software is a company specializing in custom software development, notably in full-stack web and mobile application development. The company has received overwhelmingly positive feedback, with clients praising their technical expertise and project management skills. Approximately 90% of reviewers highlight their ability to deliver high-quality, scalable solutions, emphasizing their proficiency in web and mobile platform integration and agile methodologies.
-
$10,000+$50 - $99 / hr10 - 49Kharkiv, Ukraine
Services provided
Focus Areas
See all 7 projectsGlivera-team is a specialized web development company known for its expertise in front-end development and custom website development. They have received consistently positive feedback, with 100% of reviewers praising their professionalism, speed, and quality of work. Clients highlight their ability to deliver on complex projects, such as custom animations and CMS integrations, with efficient project management and communication.
-
UndisclosedUndisclosed10 - 49
Services provided
Focus Areas
See all 7 projectsUnicorn Road is a web development company specializing in custom website development, web design, and online development solutions. Their reviews reflect a 100% positive feedback rate, with clients praising their unparalleled customer service, creativity, and responsiveness. Additionally, 80% of reviewers commend their tailored and flexible project management approach, highlighting their ability to deliver projects on time and efficiently address client needs.
-
$5,000+$50 - $99 / hr10 - 49Beograd, Serbia
Services provided
Focus Areas
See all 3 projectsMANE is a distinguished web development company known for its expertise in custom website development, front-end and back-end development, and full-stack web development. With consistently positive feedback, 100% of reviewers praise their exceptional communication skills and high-quality, timely delivery. Clients commend MANE's ability to integrate complex systems and their creative, engaging approach to project management.
-
$25,000+$50 - $99 / hr10 - 49london, England
Services provided
Focus Areas
See all 16 projectsThought&Function is a web development company specializing in custom website development, front-end and back-end development, and web application development. With a 100% positive feedback rate, their clients praise their responsiveness, strategic long-term planning, and ability to integrate seamlessly into client teams. They are particularly noted for transforming basic platforms into sophisticated systems and delivering on ambitious project milestones.
-
$25,000+$200 - $300 / hr10 - 49Sacramento, CA
Services provided
Focus Areas
See all 6 projectsGoodness (Formerly Bukwild) is a full-stack web development company praised for its creative and strategic web design and development services. They consistently deliver high-quality solutions, with 100% of reviews highlighting their adept project management and responsiveness to client needs. Clients appreciate their alignment with business goals and value-driven approach, making them an ideal partner for custom website development projects.
-
$10,000+$50 - $99 / hr50 - 249Gdynia, Poland
Services provided
Focus Areas
See all 7 projectsSolDevelo is a software development company specializing in open-source solutions for global health and logistics management systems. The company is lauded for its proactive project management and timely delivery, with 100% of reviews praising their responsiveness and professionalism. SolDevelo's expertise in agile methodologies and commitment to cost-effective, high-quality services is consistently highlighted by clients.
-
$25,000+$150 - $199 / hr10 - 49San Francisco, CA
Services provided
Focus Areas
See all 7 projectsCylogy Inc. is a prominent web development company offering a range of services including custom website development, web programming, and front-end and back-end development. The company has consistently received positive feedback for its technical expertise and project management, with 100% of reviewers highlighting their responsiveness and flexibility. Clients commend Cylogy Inc. for effectively integrating with their teams and delivering high-quality, reliable, and efficient web solutions.
-
$1,000+< $25 / hr50 - 249Ahmedabad, India
Services provided
Focus Areas
See all 43 projectsWorld Web Technology Pvt. Ltd. is a proficient web development company specializing in a wide range of services, including Website Development, Web Programming, and Full-Stack Web Development. With 100% positive feedback, clients consistently praise their professionalism, responsiveness, and ability to deliver projects on time and within budget, with 70% mentioning their strong communication skills.
-
$50,000+$100 - $149 / hr10 - 49New York, NY
Services provided
Focus Areas
See all 14 projectsnoformat is a highly versatile web development company specializing in Website Development, Custom Website Development, and Web Application Development. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their creativity, professionalism, and ability to handle complex projects efficiently. The firm is praised for its excellent design and functionality, successful project management, and a commitment to delivering high-quality results.
-
$10,000+$100 - $149 / hr10 - 49Los Angeles, CA
Services provided
Focus Areas
See all 11 projectsSunrise Integration is a website development company known for enhancing website functionality and design, emphasizing professionalism and thoroughness. With 100% of reviews highlighting successful project outcomes, clients praise their ability to improve site structure, speed, and compliance, aiding in business growth and online presence, as seen through improved Google rankings and increased online bookings.
-
$5,000+$100 - $149 / hr10 - 49Irvine, CA
Services provided
Focus Areas
See all 14 projectsMattered is a versatile web development company excelling in custom website development, front-end, and back-end development. The company is lauded for its high-quality work, responsiveness, and expertise in WordPress and UI/UX design, with 100% of reviews highlighting their professionalism, clear communication, and ability to meet project timelines. Clients frequently praise their alignment with company values and the seamless integration of provided solutions.
-
$5,000+$25 - $49 / hr50 - 249Bhubaneswar, India
Services provided
Focus Areas
See all 4 projectsAndolasoft is a web development company specializing in full-stack web development and web application development. They are praised for their effective project management, delivering projects on time, and providing strong client communication and support. Impressively, 100% of reviewers highlight their responsiveness and value for cost, with recurring mentions of their alignment with client values and attention to detail.
-
$10,000+$25 - $49 / hr10 - 49
Services provided
Focus Areas
See all 9 projectsGorazdo Studio is a web development company known for its expertise in website development, web programming, and custom website development, particularly using cutting-edge technologies such as Next.js. Reviews highlight their proficiency in creating high-performance web platforms and effective project management, with 100% of feedback being positive and commendations for their flexibility and innovative solutions.
-
$5,000+$25 - $49 / hr10 - 49
Services provided
Focus Areas
See all 1 projectssiteGist is a proficient web development company specializing in e-commerce solutions, renowned for their exceptional ability to integrate complex APIs and deliver custom solutions. The feedback from Lviv Handmade Chocolate highlights siteGist's superior communication, agile management, and product-focused mindset, with 100% positive remarks on their ability to increase orders significantly, particularly during challenging times.
-
$10,000+$150 - $199 / hr10 - 49Denver, CO
Services provided
Focus Areas
See all 19 projectsGreen Hat Web Solutions is a versatile web development company excelling in custom website development, web design, and ongoing website maintenance. With a 100% positive feedback rate, clients praise their prompt project management, creative solutions, and responsiveness to client needs, with over 75% of reviewers highlighting their professional communication and adaptability to client preferences. The company is known for delivering user-friendly and functionally robust websites that meet client expectations.
-
$25,000+$50 - $99 / hr250 - 999Austin, TX
Services provided
Focus Areas
See all 8 projectsX-Team is a web development company specializing in custom website development and WordPress integration. Reviewers consistently praise X-Team for their exceptional quality of work and knowledgeable developers, with 100% positive feedback highlighting their successful project delivery and impressive performance management. They are noted for outperforming competitors and maintaining a long-term partnership with their clients.
-
$25,000+$25 - $49 / hr10 - 49Kraków, Poland
Services provided
Focus Areas
See all 2 projectsSDCLabs is a web development company praised for their expertise in website development and customizable solutions. With positive feedback highlighting their attention to detail and smooth project execution, 100% of reviewers express satisfaction with their web application development skills and communication, underscoring their commitment to delivering high-quality work in a timely manner.
-
$10,000+$25 - $49 / hr50 - 249Wrocław, Poland
Services provided
Focus Areas
See all 39 projectsIntexSoft is a web development company offering services in full-stack web development, web application development, and custom website development. Their reviews highlight a high level of customer satisfaction, with 100% of reviewers noting their professionalism, technical proficiency, and responsive communication. Clients commend IntexSoft for delivering on time and adapting to changing project requirements, with 90% mentioning seamless integration and effective project management.
-
$25,000+$100 - $149 / hr10 - 49Cambridge, England
Services provided
Focus Areas
See all 11 projectsStudio 24 is a web development company specializing in custom website development, with expertise in creating engaging web applications and interactive web maps. With 100% of reviewers praising their communication and problem-solving skills, clients highlight their capacity to deliver modern and effective solutions even within tight deadlines. Studio 24 is noted for its technical knowledge, particularly in front-end and back-end development.
-
$10,000+$25 - $49 / hr250 - 999Bellandur Amanikere, India
Services provided
Focus Areas
See all 13 projectsCodilar Technologies is a web development company specializing in custom website development and Magento solutions. They have consistently been praised for effective project management and client-focused service, with an impressive 100% positive feedback from reviewers. Clients commend their ability to deliver customized platforms, optimize performance, and maintain open communication, ensuring seamless project execution and client satisfaction.
-
$10,000+$25 - $49 / hr50 - 249Lahore, Pakistan
Services provided
Focus Areas
See all 9 projectsEbryx Tech is a web development company specializing in custom web application development and web design. Reviews indicate a 100% positive feedback rate, highlighting their commitment to quality, responsiveness, and expertise in modern technologies like React and Node.js. Most clients noted their exceptional project management and ability to deliver user-friendly, scalable solutions.
-
$5,000+$50 - $99 / hr50 - 249České Budějovice, Czech Republic
Services provided
Focus Areas
See all 11 projectsArgo22 is a full-stack web development and web application development company known for its robust custom website and mobile app solutions. Across their reviews, they receive overwhelmingly positive feedback for their timely delivery, effective project management, and exceptional communication, with 100% of reviewers praising their responsiveness and ability to meet deadlines. Clients also highlight their technical competence in both front-end and back-end development, as well as their personalized approach to understanding business needs.
-
$5,000+< $25 / hr10 - 49Bengaluru, India
Services provided
Focus Areas
See all 18 projectsRorko is a proficient web development company specializing in website design, web application development, and related services such as SEO and digital marketing. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their timely project delivery, responsiveness, and excellent communication. A significant 80% of reviewers highlighted Rorko's alignment with their business values and the high value they provide for cost, making them a preferred choice for web programming and custom website development projects.
-
$10,000+$50 - $99 / hr10 - 49London, England
Services provided
Focus Areas
See all 3 projectshue&machine is a web development company specializing in web design and development services. Reviews highlight their exceptional user interface and user experience design, with 100% of feedback praising their communication and timely delivery. Clients appreciate their clean, minimalistic approach to custom website development, with no areas for improvement mentioned.
-
$10,000+$50 - $99 / hr50 - 249Atlanta, GA
Services provided
Focus Areas
See all 9 projectsIntuitio Labs is a web development company specializing in custom website development, front-end and back-end development, and web application development. Overall feedback from their clients highlights excellent communication, timely delivery, and high-quality work, with 100% of reviewers emphasizing their effectiveness and value for cost. Clients also appreciate their proactive approach, considering them subject matter experts in web development and management.
-
$10,000+$100 - $149 / hr10 - 49
Services provided
Focus Areas
See all 18 projectsScaleup Consulting is a web development company specializing in custom website and web application development, offering comprehensive front-end and back-end solutions. With positive feedback from 100% of reviewers, clients commend their exceptional project management, responsiveness, and technical expertise. The team consistently delivers projects on time, enhances site performance, and provides valuable consultation, making them a reliable partner for diverse web development needs.
-
$25,000+$50 - $99 / hr250 - 999London , England
Services provided
Focus Areas
See all 13 projectsRNDpoint is a web development company recognized for its proficient delivery of front-end and back-end development services, including full-stack web development and custom website development. Across reviews, 100% of clients appreciated their commitment and quality of work, with 50% highlighting quick issue resolution and professional communication. Project management could be slightly improved, but overall satisfaction with their services is evident.
-
$100,000+$25 - $49 / hr50 - 249Newark, CA
Services provided
Focus Areas
See all 1 projectsDibutech is a web development company renowned for delivering scalable, enterprise-level web platforms. They excel in custom website development, particularly in health tech, with a focus on web application development and integration. Client feedback highlights their impressive work ethics and timely delivery, with 100% mentioning their high quality and ability to work independently.
-
$10,000+$100 - $149 / hr10 - 49Kelowna, Canada
Services provided
Focus Areas
See all 31 projectsCheeky Monkey Media Inc. is a full-stack web development company specializing in custom website development, web application development, and web design. The company has consistently received positive feedback, with over 90% of reviewers highlighting their expertise in project management and responsiveness. Clients commend their ability to tailor solutions to fit budget and scope while maintaining a collaborative and professional approach, which enhances user experience and optimizes SEO performance.
-
$25,000+$100 - $149 / hr10 - 49
Services provided
Focus Areas
See all 13 projectsFilter is a web development company renowned for their expertise in WordPress-based websites, custom website development, and both front-end and back-end development. They consistently receive high praise, with 100% of reviews highlighting their professional project management, timely delivery, and effective communication. Reviewers frequently commend Filter's culture fit, customer service, and ability to meet budgetary constraints.
-
$1,000+< $25 / hr50 - 249Mohali, India
Services provided
Focus Areas
See all 44 projectsDeftsoft is a versatile web development company specializing in custom website development, web application development, and SEO. They consistently receive high praise, with approximately 90% of reviewers highlighting their responsive communication and timely delivery. While most feedback is positive, 20% suggest improvements in content writing and UI/UX design.
-
$5,000+$100 - $149 / hr2 - 9
Services provided
Focus Areas
See all 4 projectsGreatives Web is a distinguished web development company known for its expertise in website development, web design, and custom website development. They consistently deliver high-quality, responsive, and custom web solutions, with 100% of reviewers highlighting their exceptional project management and timely delivery. Their commitment to customer success and excellence in execution is a recurring theme, leaving no areas for improvement mentioned.
-
$25,000+$100 - $149 / hr2 - 9London, England
Services provided
Focus Areas
See all 6 projectsPowered by Coffee is a web development company specializing in custom website development, WordPress services, and full-stack web development. The company receives overwhelmingly positive feedback, with 100% of reviewers highlighting their professionalism, on-time delivery, and effective project management. Clients appreciate their technical expertise, integrity, and ability to provide actionable advice, enhancing both website performance and user experience.
-
$25,000+$50 - $99 / hr10 - 49Pasadena, CA
Services provided
Focus Areas
See all 5 projectsCT Software Solutions is a software development company specializing in custom web and mobile app development using methodologies like Agile. The company is highly regarded for its efficient communication, rapid delivery, and cost-effective solutions, with 100% of reviewers praising their competitive pricing and timely execution. Remarkably, every client reported satisfaction with the quality and functionality of the delivered platforms.
-
$10,000+$50 - $99 / hr10 - 49New York, NY
Services provided
Focus Areas
See all 29 projectsHubSpire is a web development company specializing in full-cycle web development services, including website design, web programming, and CMS integration. Reviews highlight their technical precision, design sensibility, and strong project management skills, with 100% positive feedback on responsiveness and quality. Clients appreciate their ability to create custom, user-friendly websites that align with brand goals and improve lead generation and customer satisfaction.
-
$5,000+$25 - $49 / hr10 - 49Zagreb, Croatia
Services provided
Focus Areas
See all 9 projectsProject42.Agency [powered by Uprise] is a web development company that excels in Web Programming, Custom Website Development, and Web Application Development. With 100% positive feedback from clients, they are praised for their exceptional project management, timely delivery, and ability to blend creativity with technical expertise, meeting and often exceeding client expectations.
-
$50,000+$100 - $149 / hr2 - 9Bromont, Canada
Services provided
Focus Areas
See all 14 projectsApp & Flow is a proficient web development company specializing in full-stack web and mobile app development, utilizing technologies like React and React Native. Across their reviews, they maintain a 100% positive feedback rate, impressing clients with seamless integration into teams and exceptional communication. Notably, 80% of reviewers highlight their project management skills, emphasizing timely delivery and responsiveness.
-
$50,000+$25 - $49 / hr10 - 49Pune, India
Services provided
Focus Areas
See all 2 projectsIncerro is a web development company specializing in front-end engineering and comprehensive software development, including both web and mobile applications. With 100% positive feedback, clients commend Incerro for their exceptional project management, timely delivery, and high-quality deliverables, highlighting their ability to manage ad-hoc requests and maintain effective communication.
-
$10,000+$150 - $199 / hr2 - 9Seattle, WA
Services provided
Focus Areas
See all 6 projectsGigantic is a web development company known for its expertise in custom website development and web design, specifically tailored to suit diverse industry needs. Across their reviews, clients commend their responsive project management and creative solutions, resulting in a 161% increase in form fills and revenue growth from $100k to $5m. Ninety percent of clients highlight their enthusiasm and strategic vision.
-
$5,000+$25 - $49 / hr10 - 49Sumy, Ukraine
Services provided
Focus Areas
See all 27 projectsYELPIX LLC is a web development company specializing in Website Development, Web Design, and Custom Website Development. The reviews indicate overwhelmingly positive feedback, with 100% of clients praising their responsive communication, timely delivery, and expertise in web programming. Clients consistently highlight YELPIX LLC's ability to enhance project outcomes and their proactive approach to project management.
-
$10,000+$100 - $149 / hr50 - 249Alexandria, VA
Services provided
Focus Areas
See all 27 projectsNew Target, Inc. - The Digital Agency is a web development company specializing in Website Development, Web Design, and digital marketing services. Across their reviews, 100% of clients express satisfaction, highlighting their responsiveness, adherence to timelines, and high-quality work. Approximately 80% of reviewers specifically praise their custom web development and personalized approach, emphasizing their ability to align digital strategies with client needs.
-
$5,000+$25 - $49 / hr250 - 999Noida, India
Services provided
Focus Areas
See all 34 projectsSynapseIndia is a proficient web development company specializing in custom website development, full-stack web development, and web application development. The overall feedback from client reviews is largely positive, with around 90% of clients praising their responsiveness, timely delivery, and professional project management. A recurring theme is their strength in backend development and handling complex online development projects, although some clients have noted challenges with communication due to language barriers.
Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.
Get My Matches
![Project42.Agency [powered by Uprise] Logotype](https://img.shgstatic.com/clutch-static-prod/image/scale/50x50/s3fs-public/logos/6b6683f7290be0724e1de1b6c161d917_91857330366ed4835bcdd4.jpg){kind=small}
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
37.9/40.018.6/20 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 -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.3/40.018.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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 -
$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.