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 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
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$1,000+$50 - $99 / hr2 - 9Los Angeles, CA
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Web design company IMPA is based in Los Angeles, California. Established in 2012, the team provides Web Design and Pay Per Click.
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UndisclosedUndisclosed2 - 9Charlottetown, Canada
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Media is a small Advertising company launched in 2001. Their team focuses on Advertising and Branding.
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UndisclosedUndisclosed2 - 9Carmel, IN
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Ogle Design is a graphic design agency established in 1989. The firm offers Graphic Design and Packaging Design.
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UndisclosedUndisclosed2 - 9Glasgow , Scotland
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Application Management & Support company Cunning Fox Digital was founded in 2016. The team specializes in Application Management & Support and Pay Per Click.
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UndisclosedUndisclosed2 - 9Houston, TX
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Launched in 2004, Raghbat, a small pay per click company, is headquartered in Houston, Texas. Their team focuses on Pay Per Click and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9San Francisco, CA
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Resource Fast is a Back Office Outsourcing company located in San Francisco, California. Founded in 2018, the team focuses on Back Office Outsourcing and Call Center Services.
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UndisclosedUndisclosed2 - 9Ann Arbor, MI
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Your Web Essentials is a SEO company located in Ann Arbor, Michigan. Their services include Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9Ann Arbor, MI
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Orange Egg is an Advertising company. They specialize in Advertising and Web Design and were founded in 2004.
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UndisclosedUndisclosed2 - 9Warren, MI
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Futuramic Media is a small Warren, Michigan-based web design company. Their services include Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Huber Heights, OH
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Web design company i3studios was established in 1999. The team offers Web Design and Branding.
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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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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 Development75% JavaScript50% 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 -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
39.1/40.019.8/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$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 -
$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 -
$1,000+< $25 / hr250 - 999Boston, 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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% 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 -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$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 / hr1,000 - 9,999Plano, TX
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36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% 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
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% 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 -
$25,000+$100 - $149 / hr50 - 249Long Beach, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
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.