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.
-
$25,000+$50 - $99 / hr10 - 49Maroubra, Australia
Services provided
Focus Areas
See all 8 projectsMadAppGang is a distinguished mobile and web development company known for its expertise in building robust applications across various industries. Renowned for their adaptability and technical prowess, this company has received overwhelmingly positive feedback from clients, with approximately 95% of reviews highlighting their problem-solving skills and professional project management. Reviewers frequently praise their ability to deliver on time and within budget, emphasizing their commitment to client satisfaction.
-
$10,000+$25 - $49 / hr10 - 49București, Romania
Services provided
Focus Areas
See all 7 projectsEquilobe Software is a web and app development company specializing in web application development and custom website development. They have consistently impressed clients with their high-quality work, effective communication, and project management skills. Notably, 100% of reviewers commend their ability to meet deadlines and deliver excellent results.
-
$10,000+$50 - $99 / hr10 - 49
Services provided
Focus Areas
See all 5 projectsDigital Dom is a web development company specializing in front-end development and eCommerce solutions, offering expertise in both B2B and B2C platforms. The overall feedback from reviews indicates positive outcomes, with clients noting a significant conversion rate increase and effective workflow. However, some suggested improvements in initial business understanding.
-
$10,000+$25 - $49 / hr50 - 249Mumbai, India
Services provided
Focus Areas
See all 8 projectsMyrah Consulting Services Private Limited specializes in developing customized ERP and CRM solutions tailored to diverse industry needs, including automation, inventory management, and customer engagement. The company consistently receives positive feedback, with a notable 48% improvement in job scheduling for clients and 30% increases in inventory accuracy and lead conversion. Reviewers frequently commend their industry-specific understanding and responsive project management.
-
$1,000+$50 - $99 / hr2 - 9Beograd, Serbia
Services provided
Focus Areas
See all 13 projectsHandmade company is a versatile web development agency specializing in website design, branding, and custom website development. Reviewers consistently commend the company for its project management efficiency and innovative solutions, with 100% positive feedback highlighting their impressive quality and value for cost. Additionally, 75% of reviewers emphasize their professionalism and responsiveness.
-
$1,000+$50 - $99 / hr2 - 9
Services provided
Focus Areas
See all 2 projectsCode Parachute is a full-stack web development company specializing in WordPress websites, offering services such as website development, web application development, and custom website development. The company is praised for its exceptional communication, energy, and commitment, with 100% of reviewers expressing satisfaction and no reported areas needing improvement. Reviewers noted the team's ability to exceed expectations and deliver tailored solutions.
-
$5,000+$100 - $149 / hrFreelancerLas Vegas, NV
Services provided
Focus Areas
See all 5 projectsChristopher Green Design is a web development company known for its expertise in website development and web design, particularly for non-profit organizations. The reviews highlight a 100% positive client experience, emphasizing their responsiveness, excellent project management, and custom website development skills. Clients appreciate the seamless communication and support, even when larger clients are involved.
-
Undisclosed$50 - $99 / hr50 - 249Essen, Germany
Services provided
Focus Areas
See all 16 projectsPromwad is an electronics and software development company frequently praised for its expertise in hardware and software projects, including IoT, FPGA, and PCB design. The reviews indicate a high level of satisfaction, with an estimated 90% of clients highlighting their professionalism, timely delivery, and technical competence. However, some feedback suggests room for improvement in communication and timeline management, mentioned in about 30% of reviews. Overall, clients commend Promwad for its comprehensive service offerings and quality of work.
-
$10,000+$25 - $49 / hr50 - 249Darmstadt, Germany
Services provided
Focus Areas
See all 2 projectsUHP Software GmbH specializes in Web Development with a focus on high scalability and technical consulting, particularly excelling in API performance and database management. Feedback is overwhelmingly positive, with 100% of reviewers highlighting their expertise and effective communication, leading to successful project launches without disturbances.
-
$1,000+$25 - $49 / hr2 - 9Surat, India
Services provided
Focus Areas
See all 9 projectsAD Digitech is a Web Development company specializing in customized eCommerce solutions and visually appealing website designs. Reviews highlight their exceptional project management, technical expertise, and client-centric approach, with 100% of feedback being positive. They are praised for delivering projects on time, enhancing user experience, and offering valuable insights to optimize online stores.
-
$5,000+$50 - $99 / hr10 - 49
Services provided
Focus Areas
See all 3 projectsNevron Software is a distinguished company specializing in high-quality visual design and technical development services. Reviewers consistently praise their advanced graphics and robust problem-solving capabilities, with 100% positive feedback highlighting their exceptional support and reliable code. Clients particularly appreciate their seamless workflow and effective project management, underscoring Nevron Software's professionalism and expertise in delivering superior solutions.
-
$5,000+$25 - $49 / hr10 - 49
Services provided
Focus Areas
See all 3 projectsAgencia Colors - Criação de Sites is a web development company specializing in website design, custom website development, and SEO strategies. The overall feedback is overwhelmingly positive, with 100% of reviewers highlighting their innovative approach, responsiveness, and ability to exceed expectations. Clients particularly value their strong project management and high autonomy in delivering tailored solutions.
-
$10,000+$25 - $49 / hr10 - 49Palm Beach Gardens, FL
Services provided
Focus Areas
See all 10 projectsMVP.dev is a full-stack web development company specializing in web application development using no-code platforms like Bubble. Customer feedback is mixed, with approximately 60% positive and 40% negative reviews. Clients appreciate their project management and cost-effectiveness but note challenges with feature delivery and communication in some cases. Approximately 50% of reviewers commend their responsiveness and problem-solving capabilities.
-
$10,000+$25 - $49 / hr10 - 49Las Palmas de Gran Canaria, Spain
Services provided
Focus Areas
See all 1 projectsSquaads is a software development company specializing in creating business management solutions, utilizing technologies like Angular and Node.js. Their clients report a reduction in errors and improved efficiency, with 100% noting satisfaction with communication and project management. However, some reviews suggest that progress can occasionally be slow. Overall, feedback is predominantly positive.
-
$10,000+< $25 / hr10 - 49Kochi, India
Services provided
Focus Areas
See all 3 projectsWebdura Technologies is a versatile development company offering services including PHP Laravel, Angular, and React Native expertise. They consistently receive positive feedback, with 100% of reviewers praising their strong developer talent and project management skills. Clients appreciate their communication and adaptability, often highlighting their ability to deliver high-quality solutions efficiently and collaboratively.
-
$10,000+$25 - $49 / hr10 - 49
Services provided
Focus Areas
See all 3 projectsDC technolabs is a design firm specializing in brand identity and logo creation. Their clients commend them for exceeding project timelines and aligning strategically with clients' goals, providing more than just a digital product. With 100% positive feedback, reviewers highlight the firm’s professionalism and impactful approach to rebranding projects.
-
$5,000+$150 - $199 / hr2 - 9Montreal West, Canada
Services provided
Focus Areas
See all 4 projectsTimereaction is a software development company specializing in creating customized project management and workflow solutions for the apparel industry. The reviews unanimously highlight their exemplary customer service, innovative and user-friendly software, and the ability to enhance operational efficiency. With 100% positive feedback, clients consistently praise their responsiveness, transparency, and the significant impact of their solutions on productivity and communication.
-
$5,000+$150 - $199 / hr10 - 49Dallas, TX
Services provided
Focus Areas
See all 1 projectsThe Old State is a web development company offering services in website design and custom website development. They receive overwhelmingly positive feedback, with clients praising their strong communication and professional project management. Notably, 100% of reviewers highlight their ability to significantly enhance online visibility and branding, though some suggest improved coordination with third-party vendors.
-
Undisclosed$100 - $149 / hr10 - 49Chicago, IL
Services provided
Focus Areas
See all 3 projectsComboApp is an app development and marketing company with a strong focus on creating tailored mobile solutions and enhancing brand presence. The company has been praised for its project management, with positive feedback highlighting their professionalism and ability to deliver on promises. While 100% of reviewers appreciated ComboApp's comprehensive services, some suggested improvements in pricing and data analysis.
-
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Services provided
Focus Areas
See all 6 projectsGTM Plus specializes in Web Development, offering services such as Website Development and Web Application Development. They have received highly positive feedback, with 100% of reviewers highlighting their effective communication and competitive pricing. Clients appreciate their ability to deliver user-friendly, search engine-optimized websites and their expertise in front-end and back-end development. Overall, GTM Plus is recognized for its quick project execution and impactful results.
-
$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
Services provided
Focus Areas
See all 31 projectsAddict2Web - A Shopify Plus Agency is a distinguished web development company specializing in creating custom Shopify websites. The agency receives overwhelmingly positive feedback, with 100% of reviews highlighting their exceptional project management, responsiveness, and attention to detail. Clients commend their ability to deliver high-quality, fully functional websites that enhance user experience and operational efficiency, consistently meeting or surpassing expectations.
-
$5,000+$100 - $149 / hr10 - 49Toronto, Canada
Services provided
Focus Areas
See all 4 projectsCreme Digital is a full-service web development company specializing in both front-end and back-end development, alongside UX/UI design and application development. The reviews highlight their effective communication, collaborative culture, and commitment to delivering end-to-end web development services, with 100% of reviewers expressing satisfaction with their responsiveness and alignment with project goals.
-
$10,000+$25 - $49 / hr10 - 49Casper, WY
Services provided
Focus Areas
See all 12 projectsVEProf is a web development company specializing in software development and custom web solutions, including front-end and back-end development. Feedback highlights their technical expertise and effective project management, with 100% of reviewers noting on-time delivery, responsiveness, and professionalism. Their ability to innovate and collaborate has significantly enhanced client outcomes, such as reducing transportation costs and improving business efficiencies.
-
$5,000+$50 - $99 / hr10 - 49Bursa, Türkiye
Services provided
Focus Areas
See all 30 projectsBabel Agency is a web development company specializing in custom website development, front-end and back-end development, and web application development. The reviews reflect a high level of satisfaction, with positive feedback from 100% of clients highlighting their strong project management, effective communication, and innovative solutions. Notably, 80% of reviews commend their technical expertise and ability to align with clients’ visions.
-
$1,000+< $25 / hr10 - 49Ahmedabad, India
Services provided
Focus Areas
See all 8 projectsFluxbyte Technologies Private Limited is a proficient web development company specializing in custom website development and web application development. With 100% positive feedback, clients consistently praise their creativity, timely project delivery, and exceptional customer service, highlighting their ability to exceed expectations in both front-end and back-end development.
-
$1,000+$25 - $49 / hr2 - 9Bydgoszcz, Poland
Services provided
Focus Areas
See all 6 projectsITMakeovers is a web development company specializing in front-end development for online projects. Reviews highlight their professionalism, timely delivery, and efficient project management. With 100% positive feedback, clients appreciate their responsiveness and the successful deployment of fully operational systems.
-
$1,000+< $25 / hr10 - 49Deesa, India
Services provided
Focus Areas
See all 1 projectsWebyant Technologies is a web development company specializing in custom website development and design. With a focus on creating minimalist, fast-loading sites, 100% of reviews highlight their strong customer service and effective project management. Clients appreciate their responsiveness and the ability to deliver high-quality, impactful web solutions while staying within budget.
-
$1,000+$50 - $99 / hr2 - 9St. Pete Beach, FL
Services provided
Focus Areas
See all 1 projectsMWD Web Design, Inc. is a web design company known for its ability to transform outdated websites with innovative designs and improved user accessibility. The company received 100% positive feedback, with clients particularly impressed by their project management skills and cost-effective services. Clients also reported increased website traffic and client leads following their redesign efforts.
-
$50,000+$50 - $99 / hr2 - 9Atlanta, GA
Services provided
Focus Areas
See all 2 projects35th St Builders is a software development company specializing in app and digital platform creation. They are noted for their strong cultural fit, alignment with company values, and timely delivery. Approximately 100% of reviewers emphasize their responsiveness and commitment to client success, with suggestions for improvement being minimal and related to client involvement clarity.
-
$5,000+$50 - $99 / hr10 - 49Kraków, Poland
Services provided
Focus Areas
See all 18 projectsOwls Department is a web development company specializing in custom website development, web design, and full-stack web development. Their reviews are overwhelmingly positive, with clients praising their professionalism, excellent project management, and high-quality deliverables. Notably, over 90% of reviewers commend Owls Department for their responsiveness and ability to meet deadlines, highlighting their strong communication and reliable service.
-
$50,000+$25 - $49 / hr10 - 49Novi Sad, Serbia
Services provided
Focus Areas
See all 6 projectsBDIT Engineering is a web development company specializing in custom website development, front-end development, and web application development. Reviewers consistently praise their ability to deliver high-quality work on time, citing effective collaboration and seamless integration. Approximately 100% of reviewers mention their impressive technical expertise and value for cost, with no notable areas for improvement highlighted.
-
$25,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
Services provided
Focus Areas
See all 6 projectsHumanIT is a web development company specializing in full-stack web development and web application development. Their reviews are overwhelmingly positive, highlighting their commitment to client service, with 100% of reviewers noting their willingness to go above and beyond. Additionally, 100% of reviewers mention their effective project management and problem-solving skills, although 100% also noted minor security issues that were promptly addressed.
-
$5,000+$100 - $149 / hr10 - 49
Services provided
Focus Areas
See all 4 projectsSwapps is a proficient web development company specializing in custom website development, web design, and maintenance services. Overall feedback is highly positive, with 100% of reviewers praising their expertise, timely communication, and ability to meet project deadlines. Their competence in platforms like WordPress and Drupal is frequently highlighted, as well as their dedication and creativity in delivering tailored web solutions.
-
$1,000+$50 - $99 / hr10 - 49Durango, Mexico
Services provided
Focus Areas
See all 4 projectsGrinbin is a web development company specializing in website development, web design, and digital branding solutions. With a strong emphasis on collaboration and timely delivery, 100% of reviewers praise their professionalism and dedication, mentioning the successful enhancement of digital presence and project satisfaction. Their services extend to social media management, demonstrating versatility and comprehensive digital support.
-
$25,000+$100 - $149 / hr2 - 9
Services provided
Focus Areas
See all 14 projectsSyntx is a professional web development company specializing in web application development, front-end development, and full-stack web development using technologies like ReactJS and WordPress. Their reviews highlight a 100% satisfaction rate with a focus on effective communication, timely responses, and high-quality code. Clients consistently commend their project management skills and adaptability to evolving project requirements.
-
$1,000+$25 - $49 / hr10 - 49
Services provided
Focus Areas
See all 2 projectsGoodie is a web development company specializing in custom website development and web design. Feedback indicates a high level of satisfaction, with reviewers noting effective communication and timely project completion. Specifically, a client from the hospitality industry reported that their project goals were successfully achieved, resulting in a well-developed website.
-
$100,000+Undisclosed10 - 49
Services provided
Focus Areas
See all 10 projectsBiTE interactive is a web development company specializing in web application development and custom website development. They are praised for delivering high-quality, well-tested software and maintaining a positive and collaborative team dynamic. All reviewers reported satisfaction with their timely project completion and proactive contribution to product improvements.
-
$5,000+$50 - $99 / hr2 - 9Rybnik, Poland
Services provided
Focus Areas
See all 5 projects4AD STUDIO is a web development company specializing in custom website development and online shop solutions. With a focus on creativity, user-friendliness, and attention to detail, they have received 100% positive feedback for their effective project management, responsiveness, and ability to adapt to changing client needs. Their expertise leads to successful outcomes such as increased website traffic and sales growth.
-
$5,000+$100 - $149 / hr10 - 49Seattle, WA
Services provided
Focus Areas
See all 4 projectsConflare is a web development company offering services such as website development, web design, and custom web development. They have received overwhelmingly positive feedback, with no significant negative reviews noted. Clients frequently mention their strong communication, innovative creativity, and ability to meet deadlines, highlighting their capability to deliver high-quality web solutions and maintain enduring client relationships.
-
$5,000+$25 - $49 / hr10 - 49Vilnius, Lithuania
Services provided
Focus Areas
See all 3 projectsKUBAS Labs is a professional web development company specializing in custom website development, web design, and full-stack web development. Their clients consistently praise their adherence to deadlines and attention to detail, with around 100% of reviews highlighting their professionalism and effective project management. Clients appreciate their ability to improve usability and conversion rates, suggesting their strong capability in web application development.
-
$5,000+$50 - $99 / hr50 - 249Lytchett Matravers, England
Services provided
Focus Areas
See all 5 projectsConvertt.co is a web development company specializing in Website Development, Custom Website Development, and Front-End and Back-End Development. With a 100% satisfaction rate, clients praised their responsiveness, ability to handle complex technical challenges, and effective project management. Around 75% of reviewers highlighted their impact on conversion rate optimization, noting measurable improvements in business metrics such as AOV and SEO performance.
-
$5,000+$25 - $49 / hr10 - 49Smederevo, Serbia
Services provided
Focus Areas
See all 1 projectsM Lab Studio is a web development company specializing in custom web application development and full-stack web development services. Their reviews reflect 100% positive feedback, emphasizing their excellent project management, timely delivery, and commitment to security and user-friendly design. Clients appreciate their ability to exceed expectations, particularly in developing efficient, secure, and intuitive platforms.
-
$10,000+$50 - $99 / hr50 - 249Gurugram, India
Services provided
Focus Areas
See all 12 projectsGrappus is a design-focused web development company offering comprehensive front-end and back-end services, with a notable emphasis on UI/UX. Across their reviews, Grappus is praised for its design capabilities, communication, and adaptability, with approximately 88% of reviewers highlighting these strengths. Though some suggest transparency improvements, clients recommend them for both startups and larger enterprises.
-
$1,000+$25 - $49 / hr10 - 49Cherkasy, Ukraine
Services provided
Focus Areas
See all 7 projectsAlpha Web Group is a web development company specializing in Drupal-based custom website development, encompassing both front-end and back-end web application development. With 100% positive feedback, clients consistently praise their technical skills, professionalism, and effective project management, highlighting their ability to enhance website traffic and generate leads while maintaining clear communication and timely responses.
-
$1,000+< $25 / hr50 - 249Ahmedabad, India
Services provided
Focus Areas
See all 15 projectsAlakmalak Technologies Pvt Ltd. is a comprehensive web development company specializing in custom website development, e-commerce solutions, and SEO services. Approximately 83% of reviews highlight their strong communication and project management skills, while 17% mention minor delays or areas for improvement. Their commitment to tailored solutions and SEO expertise consistently enhances clients' online presence and lead generation.
-
$25,000+$50 - $99 / hr10 - 49Poznań, Poland
Services provided
Focus Areas
See all 7 projectsThe BitByBit Company is a Web Development firm specializing in online development and web programming, praised for their competence and quick delivery. The reviews highlight a 100% positive feedback rate, with clients impressed by their communication, project management, and ability to grasp project details swiftly. Their expertise spans front-end and back-end development, often resulting in long-term client relationships and successful project outcomes.
-
$10,000+$25 - $49 / hr10 - 49Córdoba, Argentina
Services provided
Focus Areas
See all 2 projectsJazusoft is a web development company praised for its web programming and custom website development services. The company received 100% positive feedback for its prompt communication and excellent teamwork, successfully delivering a comprehensive web platform for educational purposes. Their immediate response to client needs is highly appreciated.
-
$5,000+$25 - $49 / hr50 - 249Loughborough, England
Services provided
Focus Areas
See all 10 projectsUNL Solutions LTD is a proficient web development company specializing in custom website development and front-end development, with a focus on efficiency and high-quality implementation. Clients appreciate their responsiveness and flexibility, with 100% positive feedback highlighting their ability to seamlessly integrate into project workflows and meet design specifications without extensive oversight.
-
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Services provided
Focus Areas
See all 10 projectsPerpetio is a versatile company specializing in web design and mobile app development, adept at handling UI/UX design, implementation, and full-stack web development. Reviews highlight their timely delivery, skilled team, and dedication, with 100% of reviewers noting impressive project outcomes and responsiveness. The company is lauded for its professionalism and alignment with client values.
-
$1,000+< $25 / hr2 - 9Buenos Aires, Argentina
Services provided
Focus Areas
See all 13 projectsDevthion is a web development company specializing in website development, web application development, and custom website development. Reviewers consistently praise Devthion for their strong technical expertise, efficient project management, and responsive communication. Approximately 90% of the feedback highlights their ability to meet deadlines and align with company values, demonstrating their commitment to delivering high-quality, scalable solutions tailored to client needs.
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.