Top JavaScript Developers
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Featured
What are Featured Providers?
$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 87 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in full-stack web development, providing comprehensive services such as web and mobile app development, front-end and back-end engineering, and UI/UX design. With over 90% positive feedback, clients consistently praise their technical expertise, seamless communication, and proactive project management, attributing significant business success and operational enhancements to Digis' contributions.
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UndisclosedUndisclosed2 - 9Trencin, Slovakia
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Frio.sk is a web design agency. Founded in 2009, their team specializes in Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Clearwater, FL
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Sand Key Ventures is a SEO company. The small Clearwater, Florida-based team offers Search Engine Optimization and Corporate Photography. The agency was launched in 2019.
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UndisclosedUndisclosed2 - 9Tamarac, FL
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Datericorp is a SEO agency founded in 2012. In Tamarac, Florida, the team specializes in Search Engine Optimization and Web Development.
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UndisclosedUndisclosed2 - 9
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SEO services firm Spectra International, LLC was established in 2018. The small team offers Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9King of Prussia, PA
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Based in King of Prussia, Pennsylvania, First Place Positioning is a SEO company. Founded in 2001, the team specializes in Search Engine Optimization and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Ocean City, NJ
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Blazed Labs, a website development firm, is headquartered in Ocean City, New Jersey. They provide Web Development.
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UndisclosedUndisclosed2 - 9Miami, FL
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Launched in 2012, Netronian Inc. Is a website development firm. Located in Miami, Florida and New York, New York, the team specializes in Web Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Richland, WA
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&yet is a small Richland, Washington-based branding firm. Their services include Branding and UX/UI Design.
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UndisclosedUndisclosed2 - 9Roma, Italy
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Web development company Do Agency was founded in 2016. The team specializes in Web Development and Blockchain.
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UndisclosedUndisclosed2 - 9
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Precision Algorithm is a small website development firm based in Stamford, Connecticut. The team provides Web Development and UX/UI Design.
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UndisclosedUndisclosed2 - 9Tallmadge, OH
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Paragram, LLC. Is a Tallmadge, Ohio-based SEO company. They focus on Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9Boston, MA
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Boston Web Designers is a web development firm. The Boston, Massachusetts-based firm focuses on Web Development.
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UndisclosedUndisclosed2 - 9Northumberland, PA
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Cup O Code is a social media marketing firm. Their team is in Northumberland, Pennsylvania. The company offers Social Media Marketing and Web Design.
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UndisclosedUndisclosed2 - 9Oshawa, Canada
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Launched in 2023, Screenlink Technologies is a small branding firm. Their services include Branding and Digital Strategy.
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UndisclosedUndisclosed2 - 9Seattle, WA
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Taliferro Group is a cloud consulting & SI company. The Seattle, Washington-based firm was established in 2020. Their services include cloud consulting & SI and Web Development.
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UndisclosedUndisclosed2 - 9Mérida, Mexico
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Weblabor is a Conversion Optimization company. Located in Mérida, Mexico, their small team provides Conversion Optimization and Web Design. The company was launched in 2015.
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$25,000+$50 - $99 / hr10 - 49Zagreb, Croatia
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See all 17 projectsNetgen is a web development company specializing in custom website development, web design, and full-stack web development. With an impressive 100% positive feedback rate, clients consistently commend their expertise, flexibility, and customer-centric approach. Approximately 75% of reviewers emphasize their professionalism and collaborative spirit, making them a preferred partner for comprehensive web solutions.
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$50,000+$100 - $149 / hr10 - 49Oakville, Canada
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See all 18 projectsOPTASY is a web development company specializing in Drupal-based projects, offering services like custom website development, front-end and back-end solutions, and web application development. Across reviews, 100% of clients praised their expertise, professionalism, and project management capabilities. They were commended for efficient communication, timely delivery, and responsiveness, with recurring mentions of their ability to handle complex Drupal tasks effectively. Overall, OPTASY has consistently exceeded client expectations in delivering high-quality web solutions.
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$5,000+$50 - $99 / hr10 - 49Wilmington, DE
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See all 9 projectsAutoWeb Technologies is a web development company known for its expertise in website design, custom website development, and online development services. Across their reviews, 100% of clients praise their communication and responsiveness, emphasizing their ability to deliver on time and within budget. Clients highlight a 70% increase in mobile traffic and a 50% reduction in administrative workload, demonstrating their effectiveness and reliability.
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$1,000+$50 - $99 / hr10 - 49Beograd, Serbia
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See all 10 projectsW3 Lab Digital Solutions is a web development company excelling in Custom Website Development, Web Design, and SEO services. With 100% positive feedback, clients praise their professionalism, timely deliveries, and commitment to excellence. Approximately 75% of reviews highlight their expertise in digital marketing, including Google Ads optimization, contributing significantly to clients' online growth and success.
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$1,000+$25 - $49 / hr10 - 49
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See all 7 projectsCreatibuzz LLC specializes in Website Development and Web Design, delivering comprehensive services from wireframes to interactive prototypes. Reviews highlight the firm's excellent project management and ability to enhance online visibility, resulting in increased website traffic and lead conversions. Clients appreciate Creatibuzz LLC’s attention to detail and creativity in crafting functional and aesthetically pleasing web solutions.
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$5,000+$100 - $149 / hr10 - 49Portlaoise, Ireland
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See all 6 projectsVIMAR Digital Marketing Ltd is a web development company renowned for Website Design, Web Development, and Custom Website Development services. With 100% positive feedback, clients commend their timely delivery, effective communication, and ability to meet project requirements. Their comprehensive skills in digital strategy and website creation are frequently highlighted, with 67% of reviews mentioning their exceptional service quality.
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$1,000+< $25 / hr10 - 49Dnipro, Ukraine
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See all 1 projectsWhaleSoft is a web development company praised for its rapid and affordable Website Development services, excelling in platforms like WordPress and Ruby on Rails. With 100% positive feedback, reviewers highlight the team's proactive problem-solving and excellent communication, noting their ability to deliver high-quality projects under budget while enhancing client relationships.
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$50,000+$50 - $99 / hr10 - 49Berlin, Germany
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Tendo Interactive, a custom software development firm, is based in Berlin, Germany. Their services include Custom Software Development and Enterprise App Modernization.
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UndisclosedUndisclosed10 - 49Lexington, KY
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Event Marketing company Hammond Communications Group is located in Lexington, Kentucky. Their services include Event Marketing and Branding.
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UndisclosedUndisclosed10 - 49Amesbury, MA
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Fronetics is an Email Marketing company. They were founded in 2011 and specialize in Email Marketing and Marketing Strategy.
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UndisclosedUndisclosed10 - 49Livingston, MT
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Unparalleled Advertising Group is an Advertising company. Their small team is located in Livingston, Montana. Their services include Advertising and Branding.
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UndisclosedUndisclosed10 - 49Cluj-Napoca, Romania
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Launched in 2015, Uptrust Company is a web design agency. Based in Cluj-Napoca, Romania, the team focuses on Web Design and IT managed services.
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UndisclosedUndisclosed10 - 49Cluj-Napoca, Romania
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OkkWebMedia SRL is a web design company founded in 2010. The company offers Web Design and Custom Software Development.
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UndisclosedUndisclosed10 - 49Indianapolis, IN
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TGFI is a web design company founded in 2003. The team offers Web Design and Web Development and is based in Indianapolis, Indiana.
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UndisclosedUndisclosed10 - 49Santiago, Chile
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Launched in 2006, Welinux is an IT managed services company. Their team provides IT managed services and Mobile & App Marketing.
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UndisclosedUndisclosed10 - 49Ebersberg, Germany
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Aumkii is a Digital Strategy company. Launched in 2006, the company is headquartered in Ebersberg, Germany. Their team focuses on Digital Strategy and Web Development.
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UndisclosedUndisclosed10 - 49Amsterdam, Netherlands
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Webbio B.V. Is an Amsterdam, Netherlands-based website development company. Their services include Web Development and Custom Software Development.
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UndisclosedUndisclosed10 - 49Amsterdam, Netherlands
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Founded in 2015, Baas & Baas is a social media marketing company. The team specializes in Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosed10 - 49Amsterdam, Netherlands
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SPRIGS is a small website development company. They provide Web Development and UX/UI Design and were established in 2010.
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UndisclosedUndisclosed10 - 49Marseille, France
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Established in 2003, QUAI 13 is a web development company. The company focuses on Web Development and E-Commerce Development, and is small.
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UndisclosedUndisclosed10 - 49Caracas, Venezuela
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Sistemas JVR, a website development company, is located in Caracas, Venezuela. Established in 2014, the team provides Web Development and IT managed services.
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UndisclosedUndisclosed10 - 49Bari, Italy
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Donald Media Grafic is an Advertising company. They are based in Bari, Italy. Their team provides Advertising and Branding.
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UndisclosedUndisclosed10 - 49Bari, Italy
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Small web design agency Pubblicarb, is in Bari, Italy. The team specializes in Web Design and Advertising.
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UndisclosedUndisclosed10 - 49
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Established in 2011, DORIS agency is a branding firm. Their services include Branding and Social Media Marketing.
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UndisclosedUndisclosed10 - 49
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Located in Prishtina, Kosovo and Vienna, Austria, Smart ITS L.L.C. Is a small IT strategy consulting company. Their services include IT strategy consulting and IT managed services.
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UndisclosedUndisclosed10 - 49Bharuch, India
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TechoMax Solution™, a web design company, was established in 2018. The team provides Web Design and UX/UI Design.
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UndisclosedUndisclosed10 - 49Milton, DE
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ITECHLEADZ is a SEO company. They were launched in 2014 and provide Search Engine Optimization and Custom Software Development.
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UndisclosedUndisclosed10 - 49Irvine, CA
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Established in 2009, Local SEO Help is a SEO company. The team specializes in Search Engine Optimization and Social Media Marketing and is in Irvine, California.
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UndisclosedUndisclosed10 - 49Fort Worth, TX
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Headquartered in Fort Worth, Texas, Dev In Logics is a small branding firm. Their services include Branding and Marketing Strategy.
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UndisclosedUndisclosed10 - 49Toronto, Canada
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Launched in 2018, Muscled Inc. Is a social media marketing agency. The small team focuses on Social Media Marketing and Pay Per Click.
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UndisclosedUndisclosed10 - 49Memphis, TN
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In Memphis, Tennessee and Bengaluru, India, 3Avenir is an IT strategy consulting company. Founded in 2020, the team offers IT strategy consulting and cloud consulting & SI.
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UndisclosedUndisclosed10 - 49Cherry Hill, NJ
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EveryMerchant.com, an Advertising company, offer Advertising and Public Relations. They were established in 2008.
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UndisclosedUndisclosed10 - 49
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Unleaded Digital is a PR agency. Headquartered in Denver, Colorado, the firm was established in 1996. Their team focuses on Public Relations and Marketing Strategy.
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UndisclosedUndisclosed10 - 49
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Devaims Solutions is an app development firm. Their small team of employees is based in Boston, Massachusetts. Their team specializes in Mobile App Development and E-Commerce Development.
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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.
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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.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
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38.9/40.019.6/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.3/40.018.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
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39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
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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
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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
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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.