Top 100 JavaScript Developers
The Best of June 2026Looking for a top JavaScript development company?
Developers use JavaScript to make web pages responsive and interactive. JavaScript is a text-based programming language used in web development, typically alongside CSS and HTML. Some common use cases for JavaScript are menus, animations, or interactive maps.
That's why we've created this list of the best JavaScript developers for you to review. Read through company descriptions, former clients, and notable projects to find the best fit for your business.
JavaScript Development Companies FAQs
The most popular JavaScript development companies out there may not be the right match for your company's needs. Here are some FAQs to get you thinking about your business needs, which will help you find the right match.
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What is JavaScript used for?
JavaScript is one of the main programming languages in the web development industry today. Many developers utilize JavaScript to create interactive features for websites and applications. Many prefer it because it can produce responsive UI and animations.
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Is JavaScript still widely used?
Yes, JavaScript is widely used in the market and is considered one of the popular options in the programming language space. It has been proven to be a consistent and capable programming language for creating interactive and modern features for websites and applications.
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Which top companies use JavaScript?
A lot of established companies and businesses utilize JavaScript, but some of the notable ones are Facebook, Amazon, Netflix, Google, and even Microsoft. These companies utilize JavaScript for web development projects including their front-end and back-end needs.
List of the Best JavaScript Development Companies
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181$25,000+50 - 249 employeesPoznań, PolandRead More
Apptension is a creative product studio with almost a decade of experience and 70+ specialists on board. Their bread and butter is pushing the envelope of what innovative digital experiences can look, feel and work like.
Working with founders, investors, and top creative agencies, they bring out-of-the-box thinking, great design, and plenty of technical competence. From an early-stage startup to Uber, they serve clients of various needs and sizes.Clients
NetflixIndustries
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182$50,000+50 - 249 employeesKraków, PolandRailsware is a website development company established in 2007. Their midsize team is headquartered in Pasadena, California; Kraków, Poland; Kyiv, Ukraine and Dubai, United Arab Emirates. The company offers Web Development, Custom Software Development, Artificial Intelligence, AI Consulting, and more.Read More
Clients
SendGridIndustries
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183$50,000+250 - 999 employeesPoznań, PolandRead More
Netguru is a custom software development firm. They are based in Poznań, Poland and have a midsize team that specializes in Custom Software Development, Web Development, Mobile App Development, Web Design, and more. The agency was founded in 2008.
Clients
UBSIndustries
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184$10,000+10 - 49 employeesZürich, SwitzerlandRead More
Axisbits is a web development shop based in Kharkiv, Ukraine, that was established in 2013. Their team of fewer than 20 employees provides web development, web design, e-commerce development, and custom software development services.
Clients
Regal Wings Inc.Industries
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185$1,000+2 - 9 employeesLondon, EnglandSmall SEO company Agile Digital Agency, is headquartered in London, England. They provide Search Engine Optimization, Web Design, and Web Development and were launched in 2018.Read More
Clients
Singleton Law Firm (USA)Industries
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186$25,000+10 - 49 employeesSeattle, WAFounded in 2010, Bilberrry is a custom software development firm. They are in Seattle, Washington and have a small team. The firm offers Custom Software Development, IT staff augmentation, Web Design, Web Development, and more.Read More
Clients
Days for GirlsIndustries
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187$1,000+10 - 49 employeesBudapest, HungaryIntegral Vision Ltd. Is a website development firm. Their small team is located in Budapest, Hungary and Budapest, Hungary. The company focuses on Web Development.Read More
Clients
Speakerhub.comIndustries
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188$5,000+50 - 249 employeesKyiv, UkraineCustom software development company ROCKETECH was founded in 2015. Headquartered in Kyiv, Ukraine; Singapore; London, England and San Francisco, California, their midsize team offers Custom Software Development, Mobile App Development, UX/UI Design, IT staff augmentation, and more.Read More
Clients
GalamartIndustries
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189$50,000+50 - 249 employeesSan Francisco, CARead More
Cybercraft Inc. is a development agency headquartered in Lviv, Ukraine, that was established 2012. Their team of 19 offers custom software development, IT staff augmentation, web development, and more.
Clients
Palo Alto NetworksIndustries
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190$5,000+50 - 249 employeesRead More
White Label Coders is a software house founded in 2011 and located in Gliwice, Poland. They employ 15 industry professionals specializing in Magento e-commerce and custom business web application development. They work primarily with international companies, providing innovative solutions for WordPress, e-commerce, and custom software.
Clients
Changi Travel ServicesIndustries
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191$5,000+50 - 249 employeesAhmedabad, IndiaElsner Technologies Pvt Ltd is a custom software development firm. The midsize Lakeland, California-based company was launched in 2006. Their services include Custom Software Development, E-Commerce Development, Search Engine Optimization, Web Development, and more.Read More
Clients
Kidz StoreIndustries
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192$25,000+50 - 249 employeesBengaluru, IndiaCodewave Global is a midsize app development firm. In Bengaluru, India; Bengaluru, India; Austin, Texas and Vancouver, Canada, the firm was established in 2013. Their team specializes in Mobile App Development, UX/UI Design, Artificial Intelligence, Generative AI, and more.Read More
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193$5,000+10 - 49 employeesWarszawa, PolandFoursets is a small website development company. The Warszawa, Poland-based company was established in 2021. Their services include Web Development, Branding, Search Engine Optimization, Web Design, and more.Read More
Clients
BD EMERSON Setproduct Kallos Social MotionIndustries
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194$25,000+250 - 999 employeesHouston, TXTekRevol is an application development firm launched in 2018. The firm offers Mobile App Development, IT staff augmentation, Custom Software Development, Web Development, and more and has a midsize team. The firm is based in Houston, Texas; Red Deer, Canada; Newark, California and New York, New York.Read More
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195$10,000+250 - 999 employeesSofia, BulgariaFounded in 2012, Accedia is a midsize custom software development firm headquartered in Sofia, Bulgaria and Boston, Massachusetts. Their services include Custom Software Development, Web Development, Artificial Intelligence, Cybersecurity, and more.Read More
Clients
Castle Trust Bank Lufthansa Technik Shawbrook SKFIndustries
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196$10,000+10 - 49 employeesЛьвів, UkraineREDSTONE is a website development firm founded in 2006. Their small team is headquartered in Львів, Ukraine; Lurgan, Northern Ireland and Ewijk, Netherlands. The company specializes in Web Development, E-Commerce Development, and Web Design.Read More
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197$75,000+250 - 999 employeesChicago, ILCodal is a website development company. The midsize Chicago, Illinois-based team provides Web Development, UX/UI Design, and E-Commerce Development. The company was founded in 2009.Read More
Clients
Baxter Charles Schwab ExpressMed Cocktail CourierIndustries
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198$5,000+10 - 49 employeesWarszawa, PolandAI Agents company Mobile Reality is based in Warszawa, Poland. The firm provides AI Agents, AI Consulting, Web Development, Mobile App Development, and more and is small.The firm was founded in 2016.Read More
Clients
TuneGOIndustries
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199$10,000+10 - 49 employeesUltimo, AustraliaHeadquartered in Ultimo, Australia and Seattle, Washington, WP Creative is a small web development firm. They provide Web Development, Web Design, and E-Commerce Development and were founded in 2015.Read More
Clients
University of Technology Sydne University of Oxford The Optical Co Nine NewsIndustries
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200$25,000+10 - 49 employeesKelowna, CanadaTwirling Umbrellas is a small website development firm. Established in 2014, the team specializes in Web Development, Web Design, Other Digital Marketing, Mobile App Development, and more. The agency is in Kelowna, Canada.Read More
Clients
Canadian Association of Science Centres (CASC) Canadian Association of Snowboard Instructors (CASI) Acera Insurance Northern Lights CollegeIndustries
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201$1,000+10 - 49 employeesToronto, CanadaBased in Toronto, Canada and Houston, Texas, ThrillX is a web design company. The small team focuses on Web Design, Web Development, Conversion Optimization, Low/No Code Development, and more. The agency was founded in 2021.Read More
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202$10,000+50 - 249 employeesKraków, PolandIT staff augmentation company Incode Group is located in Kraków, Poland. The midsize team specializes in IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more and was launched in 2023.Read More
Clients
ProprHomeIndustries
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203$10,000+50 - 249 employeesChernivtsi, UkraineInventorsoft is an IT staff augmentation company. Launched in 2015, the team focuses on IT staff augmentation, Custom Software Development, Web Development, and Mobile App Development. Their midsize company is Chernivtsi, Ukraine-based.Read More
Clients
Stotle Matics Techinov portal MedisheScholingIndustries
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204$250,000+250 - 999 employeesBroomfield, COGorilla Logic, a software development company, is based in Broomfield, Colorado; Medellín, Colombia; San José, Costa Rica and Guadalajara, Mexico. The midsize agency was launched in 2002. Their services include Custom Software Development, Web Development, Artificial Intelligence, AI Consulting, and more.Read More
Clients
Arrow ElectronicsIndustries
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205$50,000+250 - 999 employeesAustin, TXCody Solutions, an AI Consulting company, was launched in 2018. Their midsize team is located in Austin, Texas; Wrocław, Poland and Miami, Florida. The agency focuses on AI Consulting, AI Agents, Artificial Intelligence, Mobile App Development, and more.Read More
Clients
United NationsIndustries
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206$10,000+2 - 9 employeesWarszawa, PolandWideFix is a software development firm. Launched in 2014, the small firm is in Warszawa, Poland. Their services include Custom Software Development, Mobile App Development, Web Development, and IT managed services.Read More
Clients
ToptalIndustries
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207$10,000+50 - 249 employeesSan Francisco, CADouble Coconut is a mobile application development firm. They are in San Francisco, California and Yerevan, Armenia and have a midsize team. Their services include Mobile App Development, Web Development, Blockchain, and Custom Software Development. The firm was founded in 2011.Read More
Clients
EA Sports | Madden NFL Microsoft Casual Games Ellen Degeneres OTG GamesIndustries
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208$10,000+50 - 249 employeesVilnius, LithuaniaRead More
RichBrains is a custom software development firm. Established in 2006, the midsize firm is headquartered in Vilnius, Lithuania and Warszawa, Poland. Their services include Custom Software Development, Web Development, cloud consulting & SI, Mobile App Development, and more.
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209$10,000+50 - 249 employeesWrocław, PolandMonterail, a custom software development firm, was founded in 2010. They are located in Wrocław, Poland and have a midsize team. Their services include Custom Software Development, Web Design, Web Development, Mobile App Development, and more.Read More
Clients
Polaroid Merck DocPlanner EYIndustries
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210$10,000+50 - 249 employeesKyiv, UkraineRead More
VT Labs is a full-cycle custom software development company, founded in 2016 in Tallinn, Estonia. They have about 18 employees who serve their clients globally. They provide e-commerce web development, product design, QA, and technology advisory services. Their greatest strengths are Ruby on Rails, headless solutions, and e-commerce web development. They keep scalability a priority, using a headless architecture with Shopify Plus.
Clients
RokokoIndustries
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