Top JavaScript Developers
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Featured
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 89 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.
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$10,000+$25 - $49 / hr50 - 249
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See all 17 projectsILLUMINZ is a web development company known for its expertise in custom website development, web application development, and UX design. Across their reviews, the company is praised for its high-quality work, creativity, and responsiveness, with positive feedback comprising approximately 90% of comments. Clients consistently appreciate ILLUMINZ's ability to deliver projects on time and their collaborative approach to project management.
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$10,000+< $25 / hr50 - 249Jaipur, India
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See all 73 projectsARKA Softwares is a versatile web development company specializing in custom website development, web application development, and mobile app solutions. With a 100% positive feedback rate from reviewers, clients commend their excellent project management, timely delivery, and responsive communication. The company is noted for its technical expertise, attention to detail, and ability to tailor solutions to specific industry needs.
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$25,000+$50 - $99 / hr50 - 249Port Harcourt, Nigeria
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See all 18 projectsMobirevo is a distinguished web development company specializing in custom website development and web application development. With a 100% positive feedback rate, clients commend their commitment to delivering projects on time and their ability to implement robust technological solutions. Approximately 50% of reviewers highlighted Mobirevo's exceptional project management and understanding of clients' visions.
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$1,000+$25 - $49 / hr50 - 249Västerås, Sweden
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See all 14 projectsDigital Dividend is a versatile web development company offering a range of services including web-based portal development and mobile app creation. The reviews indicate a strong emphasis on effective project management and excellent customer service, with 100% of reviewers highlighting their responsiveness and adaptability. Both reviews note the company's ability to deliver impactful, streamlined solutions, such as inventory management portals and high-performing food delivery apps.
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$5,000+< $25 / hr50 - 249Amritsar, India
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See all 12 projectsNetWeb Technologies is a web development company specializing in Web Application Development, Custom Website Development, and Full-Stack Web Development. Reviews indicate a 100% positive feedback rate, highlighting their effective project management, timely delivery, and strong communication skills. Clients appreciate their cooperative nature and subject matter expertise, making them a reliable choice for complex web projects.
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$5,000+$25 - $49 / hr50 - 249
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See all 6 projectsInvictus Star Technology excels in Website Development and Web Design, catering to diverse client needs with a focus on delivering projects on time and within budget. The company is praised for its customer-oriented culture and responsiveness, with 75% of reviews highlighting their impressive design and project management. While most reviewers are satisfied, one noted the need for improved backend content organization.
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$10,000+$25 - $49 / hr50 - 249Bengaluru, India
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See all 4 projectsSomeshwara Software Pvt Ltd is a web development company specializing in web application development, with services extending to full-stack web development and front-end redesigns. The company is praised for its transparency and partnership approach, delivering projects typically within a week of discussion. While 100% of reviewers appreciate their reliability, communication with non-project manager staff can sometimes be unclear.
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$1,000+$25 - $49 / hr50 - 249
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Magestore is a Back Office Outsourcing company. They are in San Francisco, California and Vietnam. Their team focuses on Back Office Outsourcing and E-Commerce Development.
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UndisclosedUndisclosedFreelancerAtlanta, GA
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Website development firm Codelab Studios is headquartered in Atlanta, Georgia. The team provides Web Development and Social Media Marketing.
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UndisclosedUndisclosedFreelancerIndianapolis, IN
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TikiKitchen Design is a video production agency. Established in 2016, the team focuses on Video Production and Branding.
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UndisclosedUndisclosedFreelancerPendleton, OR
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Level Four Development is an e-commerce development company. The firm is based in Pendleton, Oregon. Their team offers E-Commerce Development and Mobile App Development.
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UndisclosedUndisclosedFreelancerBari, Italy
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Small website development firm Cybstudio Web Oriented, is based in Bari, Italy. Their services include Web Development and UX/UI Design.
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UndisclosedUndisclosedFreelancerBari, Italy
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Launched in 2011, Simone Bolognini is a small software development firm located in Bari, Italy. Their team specializes in Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed50 - 249Linz, Austria
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Avocodo GmbH is a software development company. Their midsize team is based in Linz, Austria and Wels, Austria. Their services include Custom Software Development and Web Development.
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UndisclosedUndisclosed50 - 249Montevideo, Uruguay
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Lazos Contact Center is a call center. Their team is headquartered in Montevideo, Uruguay and Salto, Uruguay and specializes in Call Center Services and Search Engine Optimization.
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UndisclosedUndisclosedFreelancerBaton Rouge, LA
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SEO agency SEO BTR Baton Rouge is located in Baton Rouge, Louisiana. Their services include Search Engine Optimization and Marketing Strategy.
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UndisclosedUndisclosed50 - 249Huntsville, AL
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OASYS, INC. Is a midsize Huntsville, Alabama-based big data company. Their services include BI & big data consulting & SI and Custom Software Development.
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UndisclosedUndisclosed50 - 249Sheridan, WY
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OrbitSoft is a midsize IT strategy consulting company. Founded in 2001, the team focuses on IT strategy consulting and BI & big data consulting & SI.
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UndisclosedUndisclosedFreelancerPleasant Hill, OH
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Incline Digital LLC is an UX agency founded in 2004. The small team focuses on UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed50 - 249Sunnyvale, CA
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Based in Sunnyvale, California, TRUEXTEND, Inc. Is a custom software development firm. The team offers Custom Software Development and Web Development.
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UndisclosedUndisclosedFreelancerChino Valley, AZ
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In Chino Valley, Arizona, Bryan Earl is a SEO services firm. They offer Search Engine Optimization and Web Design.
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UndisclosedUndisclosedFreelancerSan Juan, Puerto Rico
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Founded in 2024, Alexander Morales-Sang is a small branding firm. Their services include Branding and Search Engine Optimization.
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UndisclosedUndisclosedFreelancer
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Crisbrand.pl is a web design company. They were established in 2019, and their services include Web Design and Web Development.
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UndisclosedUndisclosedFreelancerCity of London, England
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Vanilla Noir is a City of London, England-based branding agency. Their services include Branding and IT managed services.
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$1,000+< $25 / hr10 - 49Silverwater, Australia
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BakOffis is a SEO services firm in Silverwater, Australia. The team offers Search Engine Optimization and Pay Per Click.
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$10,000+$25 - $49 / hr10 - 49Mumbai, India
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See all 10 projectsG10 Consultancy is a versatile Web Development company proficient in Custom Website Development and Full-Stack Web Development, with additional expertise in integrating complex systems like SAP and Salesforce. Over 90% of reviews highlight their strong project management skills and early delivery, with clients frequently praising their responsiveness and collaborative approach. They consistently deliver comprehensive solutions, including web applications and digital presence enhancements, earning high ratings for their adaptability and effective communication.
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UndisclosedUndisclosed10 - 49Plano, TX
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See all 24 projectsWeb Loft Designs is a full-stack web development company offering comprehensive services in web design, development, and SEO optimization. Their clients predominantly praise the team's commitment, flexibility, and clear communication, with 100% positive feedback across reviews. Approximately 85% of reviewers highlight their responsiveness and ability to tailor solutions to specific needs, ensuring user-friendly, visually appealing, and efficient websites.
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$5,000+$150 - $199 / hr10 - 49Addison, TX
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See all 7 projectsAVX Digital is a comprehensive web development and digital marketing agency, offering services such as custom website development, SEO, and social media management. Their reviews highlight a strong commitment to creativity and client satisfaction, with approximately 100% of feedback praising their attention to detail and effective project management. Clients appreciate their ability to deliver impactful websites and digital strategies tailored to specific industry needs.
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$5,000+$25 - $49 / hr10 - 49
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See all 7 projectsDahooks Technologies LLC is a web development company specializing in full-stack web development and custom website development. The company is praised for its prompt communication, adherence to schedules, and client-centric approach, with 100% of reviewers highlighting timely delivery and expertise. However, one review suggests improvement in quality assurance to enhance the user experience.
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$10,000+$25 - $49 / hr10 - 49Bengaluru, India
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See all 5 projectsTipstat Infotech is a web development company known for its expertise in full-stack web development and web application development. The company is praised for its smooth project execution and effective communication, with 100% positive feedback highlighting its diligent approach and thought leadership. However, some reviewers suggest refining time estimates for bug fixes.
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$10,000+$50 - $99 / hr10 - 49Coimbra, Portugal
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See all 4 projectsCRON. is a software development company specializing in custom software solutions, mobile app development, and cloud infrastructure. Across diverse projects, 90% of clients commend CRON. for their responsiveness, proactive approach, and quality of work. However, about 25% suggest improvements in project estimations and requirements definition. Their commitment to integrating with client teams and providing continual support is a recurring theme in reviews.
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$50,000+$50 - $99 / hr10 - 49San Francisco, CA
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See all 2 projectsBlackstone Studio is a software development company specializing in Shopify and billing automation solutions. They have consistently demonstrated exceptional project management skills, meeting deadlines and maintaining clear communication, as noted by 100% of reviewers. Clients commend their expertise in the Shopify ecosystem and their ability to deliver customized solutions with efficiency. However, nontechnical clients suggest minor improvements in user-friendly documentation.
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$1,000+$100 - $149 / hr10 - 49Monterey, CA
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See all 1 projectsByte Technology is a web development company known for their expertise in renovating and optimizing heavily customized WordPress sites. Client feedback highlights their impressive responsiveness, seamless project management, and ability to work within budget constraints. All reviewers provided positive feedback, with 100% noting their professionalism and effective communication, emphasizing the company's capability to enhance user experience and streamline processes efficiently.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsForby Tech Group is a web development company specializing in PHP, Laravel, and WordPress for web and mobile app development. Feedback indicates a strong emphasis on cost-effective and personalized services, with 100% of reviewers highlighting their timely delivery and responsiveness. However, some suggest expanding their technological expertise.
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$5,000+$50 - $99 / hr10 - 49
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Moka Productions, a branding company, is headquartered in Chicago, Illinois. They offer Branding and Marketing Strategy and were launched in 2002.
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$5,000+$100 - $149 / hr10 - 49Farmington Hills, MI
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Social media marketing agency Embark Digital was launched in 2012. The firm provides Social Media Marketing and Search Engine Optimization, and is small.
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UndisclosedUndisclosed10 - 49Glasgow , Scotland
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Software development firm Talon Business Solutions was launched in 1990. The team specializes in Custom Software Development and CRM consulting and SI and is in Glasgow , Scotland.
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UndisclosedUndisclosed10 - 49Windsor, Australia
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In Windsor, Australia, Realize Online is a web design company. The team provides Web Design and Web Development.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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Dynamic-Methods is a mobile app development company. They were established in 2005, and their services include Mobile App Development and Web Development.
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UndisclosedUndisclosed10 - 49Alexandria, VA
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Constant Advancement is a software development company. The Alexandria, Virginia-based firm was founded in 2008. Their team offers Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Troy, MI
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T-Tech Solutions LLC is a Troy, Michigan-based IT strategy consulting company. Their services include IT strategy consulting and Web Design.
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UndisclosedUndisclosed10 - 49Wien, Austria
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In Wien, Austria, artindustrial it is a software development firm. Their services include Custom Software Development and UX/UI Design.
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UndisclosedUndisclosed10 - 49Noida, India
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Jubilant Media Studios Private Limited is a Content Writing Services company. Their small team is located in Noida, India. Their services include Content Writing Services and Web Development.
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UndisclosedUndisclosed10 - 49Gurugram, India
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UX agency DigiSpin Tech is located in Gurugram, India and Roma, Italy. Their services include UX/UI Design and Web Development.
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UndisclosedUndisclosed10 - 49Sitra, Bahrain
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Founded in 1999, Aman Corp is a small SEO agency. Their team provides Search Engine Optimization and Web Design.
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UndisclosedUndisclosed10 - 49
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NextGen Apps is an IT strategy consulting company. The Beltsville, Maryland-based agency focuses on IT strategy consulting and Web Development.
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UndisclosedUndisclosed10 - 49
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Fox Consulting | Fox Productions Inc., a big data company, specializes in BI & big data consulting & SI and Custom Software Development. The agency is in Denver, Colorado.
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$25,000+$150 - $199 / hr2 - 9Fort Lauderdale, FL
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See all 10 projectsVermillion is a web development company specializing in Custom Website Development and Full-Stack Web Development services. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their strong project management, timely delivery, and effective communication. Additionally, 100% of clients appreciated Vermillion's ability to align with company values and deliver functional web and mobile applications tailored to their needs.
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$10,000+$50 - $99 / hr2 - 9
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See all 4 projectsCanadian Digital Consulting Inc is a web development company specializing in web design, branding, and online development. The feedback is overwhelmingly positive, with approximately 100% of reviewers noting increased donations and improved site performance. Clients appreciate their comprehensive approach to custom website development and effective project management. Users have universally praised their innovative branding efforts and responsive design solutions.
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$10,000+$50 - $99 / hr2 - 9Coldwater, MI
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See all 2 projects[BlackCard] - Out of Business was a web development and design company that provided specialized services in web development and tracking consulting. The organization was praised for its dual capabilities in both website design and development, with 100% of reviewers noting their effective problem-solving in customer projects. Feedback highlighted timely communication and effective project management without any areas of concern identified.
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List of the Top 15 JavaScript Development Companies
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$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 -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.5/40.019.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.7/40.019.4/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, 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+$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+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.5/40.017.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.6/40.018.6/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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 -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.7/40.019.4/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.7/40.018.8/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
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36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.3/40.018.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$25,000+$100 - $149 / hr50 - 249Cypress, CA
Ability to deliver
36.4/40.018.2/20 Reviews10/10 Clients & Experience8.2/10 Market PresenceService focus
100% Web Development40% JavaScript -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% 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.