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), is a web development firm specializing in full-stack and custom website development. Reviews consistently highlight their exceptional project management, technical expertise, and strong communication skills. Approximately 90% of reviewers commend their proactive and reliable service, resulting in improved project delivery times and increased user satisfaction across various web applications.
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UndisclosedUndisclosed2 - 9Kettering, OH
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Launched in 2000, E-3 Designs is a web design company. The team specializes in Web Design and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Dayton, OH
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Branding firm The Marketing Formula was launched in 1991. The small team offers Branding and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9
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SEO services firm Sevenpixels provides Search Engine Optimization and Social Media Marketing. They are located in Anaheim Hills, California.
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UndisclosedUndisclosed2 - 9Torino, Italy
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Sitoin24ore, a small web design company, is based in Torino, Italy. The team focuses on Web Design and E-Commerce Development.
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UndisclosedUndisclosed2 - 9Torino, Italy
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Web design agency LN Studio was founded in 2015. Based in Torino, Italy, the team focuses on Web Design and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Largo, FL
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Belltech is an IT managed services company. The agency is headquartered in Largo, Florida. Their team offers IT managed services and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Lancaster, PA
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Pushingink LLC, an Advertising company, is headquartered in Lancaster, Pennsylvania. They provide Advertising and Branding and were founded in 2010.
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UndisclosedUndisclosed2 - 9Guarulhos, Brazil
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NEW4U is a Guarulhos, Brazil-based Email Marketing company. Their services include Email Marketing and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Amsterdam, Netherlands
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Launched in 2003, Booreiland Digital Service Design is an UX company. The team provides UX/UI Design and Digital Strategy and is in Amsterdam, Netherlands.
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UndisclosedUndisclosed2 - 9Bogotá, Colombia
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Branding agency Chipichipi Studio provides Branding and Digital Strategy. They are in Bogotá, Colombia.
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UndisclosedUndisclosed2 - 9Bogotá, Colombia
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Founded in 2016, Orooplex, a small e-commerce development company, is in Bogotá, Colombia. Their team offers E-Commerce Development and Email Marketing.
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UndisclosedUndisclosed2 - 9
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Lequar is a branding agency. Founded in 2004, the team provides Branding and Graphic Design. The firm is located in Colombia.
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UndisclosedUndisclosed2 - 9Lubbock, TX
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Zack Esgar Website Design is an app development firm. They focus on Mobile App Development and Pay Per Click and were founded in 2007.
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UndisclosedUndisclosed2 - 9Lubbock, TX
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Digital Impact Designs is a web development firm based in Lubbock, Texas. Their services include Web Development and Advertising.
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UndisclosedUndisclosed2 - 9Amsterdam, Netherlands
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Coodware is a software development firm headquartered in Amsterdam, Netherlands. The team focuses on Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Barcelona, Spain
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Kontainer Media is a branding company. They provide Branding and Graphic Design and were founded in 2011.
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UndisclosedUndisclosed2 - 9Medford, OR
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Rogue Marketing Pros. Is a small IT managed services company launched in 2016. Their team specializes in IT managed services and Pay Per Click.
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UndisclosedUndisclosed2 - 9Bogotá, Colombia
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Kmedia, an Email Marketing company, was founded in 2005. The company provides Email Marketing and Mobile App Development.
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UndisclosedUndisclosed2 - 9Bogotá, Colombia
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Ink Agencia Digital, a branding firm, was founded in 2014. Located in Bogotá, Colombia, the team offers Branding and E-Commerce Development.
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UndisclosedUndisclosed2 - 9Amsterdam, Netherlands
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Pons Pontis is a software development firm established in 2014. The team offers Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Zagreb, Croatia
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Launched in 2014, Pix And Codes is a small branding agency. Their services include Branding and Graphic Design.
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UndisclosedUndisclosed2 - 9Cerritos, CA
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G2CPartners is a Content Marketing company located in Cerritos, California. They focus on Content Marketing and Pay Per Click.
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UndisclosedUndisclosed2 - 9Zagreb, Croatia
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Based in Zagreb, Croatia, Digital Machine is a small Content Marketing company. The team specializes in Content Marketing and Digital Strategy.
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UndisclosedUndisclosed2 - 9Zagreb, Croatia
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Žuti kišobran d.o.o. Is a Digital Strategy company. The Zagreb, Croatia-based team specializes in Digital Strategy and Affiliate Marketing.
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UndisclosedUndisclosed2 - 9Zagreb, Croatia
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Giga green j.d.o.o. Is an Advertising company. They are headquartered in Zagreb, Croatia and have small team. Their services include Advertising and Digital Strategy.
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UndisclosedUndisclosed2 - 9Zagreb, Croatia
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Established in 2018, Debug IT is a mobile application development firm. Located in Zagreb, Croatia, the team provides Mobile App Development and Web Design.
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UndisclosedUndisclosed2 - 9Belda, India
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Headquartered in Belda, India, Digital Squad is a small Content Marketing company. Their services include Content Marketing and Email Marketing.
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UndisclosedUndisclosed2 - 9Panchkula, India
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Webisolution is a small SEO services firm launched in 2017. Their team specializes in Search Engine Optimization and Mobile App Development.
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UndisclosedUndisclosed2 - 9Lucknow, India
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Located in Lucknow, India, ST Infosystem is a small SEO agency. Their services include Search Engine Optimization and Email Marketing.
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UndisclosedUndisclosed2 - 9Surat, India
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Hybrid Webtech is a small SEO agency located in Surat, India. Their services include Search Engine Optimization and Branding.
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UndisclosedUndisclosed2 - 9Brandis, Germany
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Amida SEO & Marketing is a small Logo company in Brandis, Germany. Their services include Logo and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9
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Zendev SARL is a Digital Strategy company launched in 2013. The company offers Digital Strategy and E-Commerce Development.
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UndisclosedUndisclosed2 - 9Boa Viagem, Recife - PE, Brazil
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Total Métrica is an application development company. The Boa Viagem, Recife - PE, Brazil-based company focuses on Mobile App Development and Web Development.
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UndisclosedUndisclosed2 - 9Stróże, Poland
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Gemini Design is a web design agency. Headquartered in Stróże, Poland, the firm focuses on Web Design and UX/UI Design.
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UndisclosedUndisclosed2 - 9Stuttgart, Germany
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Team One Developers GmbH is a small Stuttgart, Germany-based custom software development firm. Their services include Custom Software Development and UX/UI Design.
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UndisclosedUndisclosed2 - 9Atlanta, GA
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Small branding company Brightstar Media Organization, is based in Atlanta, Georgia. The team offers Branding and Digital Strategy.
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UndisclosedUndisclosed2 - 9Albuquerque, NM
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Maiel Technologies is a web design agency. The team is located in Albuquerque, New Mexico, and their services include Web Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9Wien, Austria
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Launched in 2007, Developer AT GmbH, a small Content Marketing company, is located in Wien, Austria. Their services include Content Marketing and E-Commerce Development.
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UndisclosedUndisclosed2 - 9Milano, Italy
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Opificio137, a Blockchain Marketing company, offers Blockchain Marketing and Web Development. The agency is based in Milano, Italy.
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UndisclosedUndisclosed2 - 9Dover, DE
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Aims IT Solution is a Rawalpindi, Pakistan-based graphic design company. They offer Graphic Design and Web Development and were launched in 2021.
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UndisclosedUndisclosed2 - 9Harrisonville, MO
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Established in 2017, Maazsoft is a custom software development firm. The agency offers Custom Software Development and Web Development, and is small.
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UndisclosedUndisclosed2 - 9Singapore, Singapore
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SEO agency Websoars was launched in 2018. The small team provides Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9Stockholm, Sweden
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Launched in 2011, Appberg is a social media marketing firm. The small team specializes in Social Media Marketing and UX/UI Design.
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UndisclosedUndisclosed2 - 9Beograd, Serbia
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Linum Internet Solution Ltd, a web design company, was established in 2012. The agency provides Web Design and UX/UI Design, and is small.
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UndisclosedUndisclosed2 - 9Galați, Romania
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Based in Galați, Romania, Spaceapps.ro is a small social media marketing agency. The team offers Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9București, Romania
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Cubic Agency, a graphic design company, specializes in Graphic Design and CRM consulting and SI. The agency is based in București, Romania.
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UndisclosedUndisclosed2 - 9București, Romania
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BreakingPoint Romania is a București, Romania-based SEO services firm. The team offers Search Engine Optimization and ERP consulting and SI.
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UndisclosedUndisclosed2 - 9Raipur, India
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Blesssms, a social media marketing firm, was launched in 2017. The team focuses on Social Media Marketing and Web Development.
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UndisclosedUndisclosed2 - 9مدينة, Kuwait
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Website development firm iGroup Solutions was founded in 2004. Headquartered in مدينة, Kuwait, the team provides Web Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Newark, DE
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Gigus, a website development company, focus on Web Development and Mobile App Development. They were established in 2019.
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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.
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We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
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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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$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 -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.3/40.019.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.3/40.019.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% 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
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38.5/40.019.2/20 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+$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 -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.3/40.017.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
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39.5/40.019.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% 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 - 249Newark, DE
Ability to deliver
39.6/40.019.6/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
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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
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39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
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36.4/40.016.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
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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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37/40.018/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.3/40.018.4/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
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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 -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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37.5/40.018.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
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36.5/40.016.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$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 -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
35.5/40.015.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$5,000+$50 - $99 / hr50 - 249Maribor, Slovenia
Ability to deliver
36.1/40.020/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
40% Web Development100% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
37.6/40.017.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$50 - $99 / hr50 - 249Poznań, Poland
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
50% Web Development10% JavaScript50% 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.