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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UndisclosedUndisclosed2 - 9Bogotá, Colombia
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Servicios.in is a branding agency based in Bogotá, Colombia. Their services include Branding and Digital Strategy.
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UndisclosedUndisclosed2 - 9Nice, France
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EXPERTA EVOLUTION is a SEO company. The agency is in Nice, France. Their team provides Search Engine Optimization and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Sheffield, England
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Edge Interactive is a SEO services firm. Located in Sheffield, England, the firm was launched in 2003. Their services include Search Engine Optimization and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Amsterdam, Netherlands
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Social Service Center B.V. Is a social media marketing firm. They are headquartered in Amsterdam, Netherlands, and their services include Social Media Marketing and Advertising.
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UndisclosedUndisclosed2 - 9Amsterdam, Netherlands
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Seventury is an Advertising company. In Amsterdam, Netherlands, their team provides Advertising and Branding.
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UndisclosedUndisclosed2 - 9București, Romania
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FWD Bucharest is a small e-commerce development company headquartered in București, Romania. The team focuses on E-Commerce Development and Web Development.
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UndisclosedUndisclosed2 - 9McKinney, TX
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Established in 2012, BrightGirl Media is an Email Marketing company. The agency offers Email Marketing and Business Consulting.
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UndisclosedUndisclosed2 - 9Cercado de Lima, Peru
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Developers House is a custom software development firm founded in 2019. Their services include Custom Software Development and E-Commerce Development.
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UndisclosedUndisclosed2 - 9Attleboro, MA
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Graphic design agency Guiding Light Productions, Inc. Was launched in 2004. The small team offers Graphic Design and Search Engine Optimization.
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UndisclosedUndisclosed2 - 9Budapest, Hungary
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Pro Online is a web design company. Their small team is located in Budapest, Hungary. Their team focuses on Web Design and Web Development.
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UndisclosedUndisclosed2 - 9
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JB Promotions is a small Amsterdam, Netherlands-based Advertising company. The team offers Advertising and Web Development.
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UndisclosedUndisclosed2 - 9Caracas, Venezuela
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Faceta Gráfica is a graphic design agency. Established in 2012, the team offers Graphic Design and Web Development. The firm is in Caracas, Venezuela.
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UndisclosedUndisclosed2 - 9Providencia, Chile
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Social y Punto is a branding company. The company is headquartered in Providencia, Chile. Their services include Branding and Content Marketing.
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UndisclosedUndisclosed2 - 9Zagreb, Croatia
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Are You Digital d.o.o., a branding agency, was launched in 2017. The agency provides Branding and Content Marketing, and is small.
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UndisclosedUndisclosed2 - 9Zagreb, Croatia
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ILI NET Marketing Agencija, a graphic design company, was launched in 2013. They focuses on Graphic Design and Web Design.
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UndisclosedUndisclosed2 - 9Zagreb, Croatia
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Kalo.dev j.d.o.o. Is a small Zagreb, Croatia-based software development company. The team provides Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Ciudad de Guatemala, Guatemala
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Headquartered in Ciudad de Guatemala, Guatemala, LiveCorePixel is a small Corporate Photography company. Their services include Corporate Photography and Graphic Design.
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UndisclosedUndisclosed2 - 9Ciudad de Guatemala, Guatemala
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Alcanza, a branding firm, was established in 2015. Headquartered in Ciudad de Guatemala, Guatemala, the team specializes in Branding and Mobile App Development.
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UndisclosedUndisclosed2 - 9Plano, TX
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Small custom software development firm Canny Technology Solutions, is headquartered in Plano, Texas. Their services include Custom Software Development and Enterprise App Modernization.
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$5,000+$50 - $99 / hr2 - 9Randburg, South Africa
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TechnoDezi is a mobile application development firm. They focus on Mobile App Development and Web Development and were launched in 2017.
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UndisclosedUndisclosed2 - 9Town and Country, MO
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Becurity is a mobile application development company. The Town and Country, Missouri-based firm focuses on Mobile App Development and Web Development.
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UndisclosedUndisclosed2 - 9Toronto, Canada
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In Toronto, Canada and Ahmedabad, India, Weisetech Developers is a web design company. Launched in 2012, the team offers Web Design and UX/UI Design.
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UndisclosedUndisclosed2 - 9
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Launched in 2002, Site-Image is a small South Carolina-based web design company. Their services include Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Glastonbury, CT
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Astrasnap Development LLC is a small Glastonbury, Connecticut-based SEO services firm. The team focuses on Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9Beograd, Serbia
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Brainstorm Solutions LLC is a small social media marketing company launched in 2018. Their services include Social Media Marketing and Web Design.
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UndisclosedUndisclosed2 - 9Novi Sad, Serbia
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Founded in 2020, CloudCentric is a small branding firm. Their services include Branding and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Washington, DC
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Launched in 2022, TwelveFifth, Inc. DBA Gurulabs, Inc is a small Washington, District of Columbia-based Market Research company. Their services include Market Research and Marketing Strategy.
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UndisclosedUndisclosed2 - 9
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AssignmentOverflow.com is a software development company. Located in Naples, Florida, their small team specializes in Custom Software Development and Web Development. The company was founded in
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UndisclosedUndisclosed2 - 9Newburgh, ME
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Acadia Services & Solutions, LLC is a website development company. They specialize in Web Development and API Development and were launched in 2007. The agency is based in Newburgh, Maine.
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UndisclosedUndisclosed2 - 9Gilbert, AZ
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Launched in 2012, NuWave Commerce is a small web design agency. Their services include Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Los Gatos, CA
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Small user experience agency Aionis, is located in Los Gatos, California. Their services include UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9
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Made With Future is a web design agency based in Oklahoma , Oklahoma. They focus on Web Design and UX/UI Design and were established in 2014.
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UndisclosedUndisclosed2 - 9
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IDevelop Software Solutions is a small Lake Oswego, Oregon-based CRM consulting and SI company. Their services include CRM consulting and SI and Custom Software Development.
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UndisclosedUndisclosed2 - 9
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Bmgrd, a web development company, is located in Madison, Wisconsin. Their services include Web Development and Web Design.
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UndisclosedUndisclosed2 - 9Hibbing, MN
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Byers Media, a web development company, was established in 1995. The company focuses on Web Development and Branding, and is small.
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UndisclosedUndisclosed2 - 9
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Hunlink Recrutement is a Recruiting company founded in 2023. The small team specializes in Recruiting and Market Research.
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UndisclosedUndisclosed2 - 9New York, NY
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KitSoftSol is an user experience agency. They are located in New York, New York and have small team. Their team specializes in UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9Kharkiv, Ukraine
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Founded in 2016, Bigrise Agency is a Digital Strategy company. The company focuses on Digital Strategy and Social Media Marketing.
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UndisclosedUndisclosed2 - 9Limassol, Cyprus
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Located in Limassol, Cyprus, Nmore Group is a branding company. The team focuses on Branding and Web Design.
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UndisclosedUndisclosed2 - 9Mesa, AZ
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RAD Computers, an IT strategy consulting company, provide IT strategy consulting and Web Design. They were launched in 2012.
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UndisclosedUndisclosed2 - 9Bogotá, Colombia
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Silverlight Colombia, a cloud consulting & SI company, is headquartered in Bogotá, Colombia. Established in 2008, the team provides cloud consulting & SI and Web Development.
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UndisclosedUndisclosed2 - 9
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Teplokomfort IT Services is a CRM consulting and SI company. Established in 2015, their team specializes in CRM consulting and SI and Cybersecurity.
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$1,000+$50 - $99 / hr50 - 249Los Angeles, CA
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See all 22 projectsALMAX Design and Development Agency specializes in Website Development, Web Design, and Custom Website Development services. The agency consistently receives positive reviews, with 100% of clients praising their timely delivery, strong project management, and excellent communication. Their work is characterized by simplicity and clarity, aligning designs with client values and objectives while providing great value for the cost.
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UndisclosedUndisclosedFreelancer
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See all 1 projectsOur mission is to provide innovative and high-quality software solutions that meet the needs of our clients and exceed their expectations. We strive to create value for our clients by delivering
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UndisclosedUndisclosedFreelancerPhiladelphia, PA
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Sean Brodbeck is a branding company. Their small team is based in Philadelphia, Pennsylvania. Their services include Branding and Graphic Design.
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UndisclosedUndisclosedFreelancer
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Tom Yates is an application development firm and website development company. The company is located in Manchester, England. Their team specializes in Mobile App Development and Web Development.
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UndisclosedUndisclosedFreelancer
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Caterina Cirri Web Design e Grafica editoriale, a small web design agency, is headquartered in Firenze, Italy. Their services include Web Design and Web Development.
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UndisclosedUndisclosedFreelancerBogotá, Colombia
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Launched in 2006, Gabriel Parra (Gabitron) is a web design agency. The agency offers Web Design and Web Development, and is small.
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UndisclosedUndisclosed50 - 249Caracas, Venezuela
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Manapro Consultores is a cloud consulting & SI company established in 1975. Based in Caracas, Venezuela, the team specializes in cloud consulting & SI and CRM consulting and SI.
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UndisclosedUndisclosedFreelancer
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Established in 2011, Marco Loprieno is a small Modugno, Italy-based SEO company. Their services include Search Engine Optimization and Social Media Marketing.
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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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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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$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
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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
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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
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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
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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
Ability to deliver
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.