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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UndisclosedUndisclosed10 - 49Perth, Australia
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PerthWeb is a web design agency. Their small team is headquartered in Perth, Australia and focuses on Web Design and Content Marketing. The firm was established in 1998.
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UndisclosedUndisclosed10 - 49Zagreb, Croatia
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Launched in 2016, Top Digital Agency is an Advertising company. Their services include Advertising and Search Engine Optimization.
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UndisclosedUndisclosed10 - 49Laverton, Australia
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IT managed services company FLYONIT Pty Ltd. Offers IT managed services and Mobile App Development. They are headquartered in Laverton, Australia.
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UndisclosedUndisclosed10 - 49Pasadena, CA
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Jada Systems is a Pasadena, California-based custom software development company. Launched in 2000, the team offers Custom Software Development and Application Management & Support.
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UndisclosedUndisclosed10 - 49Greenbelt, MD
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Swingtech is a small IT managed services company. They focus on IT managed services and IT strategy consulting and were founded in 2009.
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$10,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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FamBox is a custom software development firm. Established in 2014, the firm offers Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Fredericton, Canada
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Netlynx Tech is a software development company. The Fredericton, Canada-based company was founded in 2000. Their team offers Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Atlanta, GA
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SEO agency 20North is based in Atlanta, Georgia. Established in 2013, the team focuses on Search Engine Optimization and Web Development.
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UndisclosedUndisclosed10 - 49Atlanta, GA
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RocketLevel is a Content Marketing company launched in 2017. The company offers Content Marketing and Social Media Marketing.
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UndisclosedUndisclosed10 - 49Albuquerque, NM
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Acira Group, a Digital Strategy company, was established in 2010. The firm focuses on Digital Strategy and Web Design.
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UndisclosedUndisclosed10 - 49Baton Rouge, LA
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Established in 1988, Antares Technology Solutions is an IT strategy consulting company. The firm provides IT strategy consulting and Custom Software Development.
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UndisclosedUndisclosed10 - 49Baton Rouge, LA
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TurnKey Solutions is an IT managed services company. The Baton Rouge, Louisiana-based agency was launched in 1999. Their team offers IT managed services and Custom Software Development.
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UndisclosedUndisclosed10 - 49Leipzig, Germany
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Netresearch DTT GmbH is a software development company. Launched in 1998, the firm is based in Leipzig, Germany. Their team focuses on Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Jerusalem, Israel
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TOCnDix is a Jerusalem, Israel-based IT strategy consulting company. They focus on IT strategy consulting and IT managed services.
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UndisclosedUndisclosed10 - 49Karachi, Pakistan
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Tribech Solutions Pvt. Ltd. Is a SEO services firm founded in 2015. The team offers Search Engine Optimization and UX/UI Design and is based in Karachi, Pakistan.
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UndisclosedUndisclosed10 - 49Campbellfield, Australia
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Launched in 2020, MicroMerging is a small SEO company. Their team focuses on Search Engine Optimization and Web Design.
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UndisclosedUndisclosed10 - 49Hoffman Estates, IL
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Web development company Quip Global was launched in 2014. The agency focuses on Web Development and Mobile App Development, and is small.
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UndisclosedUndisclosed10 - 49Irving, TX
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10bits is an IT staff augmentation company. The agency is in Irving, Texas. Their team specializes in IT staff augmentation and Custom Software Development.
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UndisclosedUndisclosed10 - 49Lahore, Pakistan
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Small branding company EBTECHSOL, is located in Lahore, Pakistan. The team provides Branding and Web Design.
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$5,000+$100 - $149 / hr10 - 49Surrey, Canada
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Seize Marketing Agency is a versatile web development firm, excelling in custom website development, web design, and digital marketing. With a focus on UX/UI design and full-stack web development, their work consistently exceeds client expectations, boasting a 100% satisfaction rate across reviews. Reviewers commend their professionalism, responsiveness, and ability to integrate functional and creative solutions, which significantly enhance user engagement and operational efficiency.
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UndisclosedUndisclosed10 - 49Milano, Italy
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Established in 2021, CØDESTORM is a software development firm. The company offers Custom Software Development and Web Development, and is small.
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UndisclosedUndisclosed10 - 49
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Aejis is a Kiev, Ukraine-based user experience agency. They specialize in UX/UI Design and Custom Software Development and were established in 2009.
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UndisclosedUndisclosed10 - 49
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Winning Technologies Inc. Is a web design agency. The firm is located in O'Fallon, Missouri and Wichita, Kansas. Their services include Web Design and IT strategy consulting.
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UndisclosedUndisclosed10 - 49Dallas, TX
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Modare Agency is a Dallas, Texas-based cloud consulting & SI company. Their services include cloud consulting & SI and Web Development.
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$5,000+$50 - $99 / hr10 - 49
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CodeIT is an user experience agency. The agency is based in Beograd, Serbia. Their services include UX/UI Design and Product Design.
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UndisclosedUndisclosed10 - 49Milwaukee, WI
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Launched in 1991, Trefoil Group, a small Advertising company, is based in Milwaukee, Wisconsin. Their team specializes in Advertising and Branding.
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UndisclosedUndisclosedFreelancer
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Web design agency Forxon was established in 2008. The team offers Web Design and Web Development.
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UndisclosedUndisclosedFreelancer
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Giuseppe Balbo is a web development firm launched in 2000. The team specializes in Web Development and Graphic Design.
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UndisclosedUndisclosedFreelancerBogotá, Colombia
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Olbap Design is a graphic design agency established in 2000. The team specializes in Graphic Design and Web Design and is headquartered in Bogotá, Colombia.
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UndisclosedUndisclosedFreelancer
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Manuel CIllero is a software development company and web development company. They were launched in 2001, and their services include Custom Software Development and Web Development.
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$10,000+$100 - $149 / hr2 - 9San Francisco, CA
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See all 9 projectsBloorsoft is a web development company that excels in custom website development and web application development. The company consistently receives high praise for its communication, technical expertise, and timely project delivery, with 100% of reviewers noting satisfaction with their results. Clients commend Bloorsoft's commitment to understanding project needs and delivering high-quality, scalable solutions efficiently.
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$10,000+$50 - $99 / hr2 - 9New York, NY
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See all 5 projectsWeil & Jones is a full-service web development company specializing in custom website development, web programming, and integration services. The company consistently receives positive feedback, with clients praising their efficient delivery models, comprehensive skill set, and exceptional project management. Approximately 100% of reviewers commend their reliability and problem-solving capabilities, with no significant areas for improvement noted.
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$5,000+$50 - $99 / hr2 - 9
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See all 3 projectsTopfed is a web development company specializing in creating user-friendly e-commerce platforms, with a strong focus on web design and custom website development. Reviews highlight their dedication to quality and exceptional customer service, with nearly all feedback being positive. However, some challenges were noted in communication due to time zone differences.
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UndisclosedUndisclosed2 - 9Grimsby, England
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See all 1 projectsLyke - Out of Business was a software development company known for building and customizing order management systems. Reviews highlight their professionalism, timely delivery, and effective communication, with 100% positive feedback on their ability to meet client needs through tailored solutions. Clients praised their expertise and the transformative impact their software had on business efficiency and productivity.
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$10,000+$150 - $199 / hr2 - 9Exeter, England
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Founded in 2013, Drive Creative Studio is a video production agency. The team offers Video Production and Branding and is located in Exeter, England.
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$10,000+$150 - $199 / hr2 - 9Skegness, England
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Polarsun Creative is a CRM consulting and SI company founded in 2004. The team offers CRM consulting and SI and IT managed services and is headquartered in Skegness, England.
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$10,000+$150 - $199 / hr2 - 9Guildford, England
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Equals Creative is an UX company. The Guildford, England-based agency offers UX/UI Design and Branding.
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$5,000+$100 - $149 / hr2 - 9Dickson, TN
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Chase Internet Marketing, Inc. Is a web development firm. In Dickson, Tennessee, the firm was launched in 1998. Their team specializes in Web Development and E-Commerce Development.
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UndisclosedUndisclosed2 - 9Quito, Ecuador
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Soluciones Empresariales Quito, a social media marketing agency, is located in Quito, Ecuador. Their services include Social Media Marketing and Web Design.
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UndisclosedUndisclosed2 - 9
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Break Point Creative is a small software development company located in Edmonton, Canada. The team provides Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Toronto, Canada
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Superscope Media Inc., a Business Consulting company, is located in Toronto, Canada. Launched in 1998, the team specializes in Business Consulting and Branding.
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UndisclosedUndisclosed2 - 9Charlotte, NC
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Anstad-Group, an user experience design agency, was established in 2008. The team focuses on UX/UI Design and Digital Strategy.
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UndisclosedUndisclosed2 - 9Omaha, NE
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E-commerce development firm Cyberlaunch was established in 1998. The firm provides E-Commerce Development and Market Research, and is small.
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UndisclosedUndisclosed2 - 9
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Founded in 2012, Stienike Graphic Design and Multimedia is an Advertising company. The team provides Advertising and Branding.
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UndisclosedUndisclosed2 - 9Las Vegas, NV
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Located in Las Vegas, Nevada, The Rojas Group is a small PPC agency. The team offers Pay Per Click and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Portland, OR
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Application development firm Hot Pepper Studios was established in 1991. The small team specializes in Mobile App Development and Video Production.
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UndisclosedUndisclosed2 - 9Visalia, CA
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Launched in 2000, EzDATAfind is a branding agency. Their team offers Branding and Content Marketing.
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UndisclosedUndisclosed2 - 9Brasília, Brazil
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LMB Interativa is a small custom software development company. Launched in 2011, the team offers Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Lakewood, CO
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Dog Eat Dog Designs is a web design company. The Lakewood, Colorado-based team provides Web Design and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Lansing, MI
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Founded in 2015, Elevate Marketing Company, LLC is a social media marketing firm. Their team focuses on Social Media Marketing and Web Design.
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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.