Top 100 JavaScript Developers
The Best of April 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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151$25,000+10 - 49 employeesSeattle, WACulture Foundry is a web design agency. They focus on Web Design, Web Development, Digital Strategy, Custom Software Development, and more and were established in 2010. Their small team is located in Seattle, Washington; Boulder, Colorado; Austin, Texas and Portland, Oregon.Read More
Clients
24 Hour FitnessIndustries
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152$10,000+50 - 249 employeesWarszawa, PolandAI company Fulcrum was established in 2018. Based in Warszawa, Poland; Sheridan, Wyoming and Kyiv, Ukraine, their midsize team provides Artificial Intelligence, Custom Software Development, IT staff augmentation, Web Development, and more.Read More
Clients
Mercedes website (Mercedes Car Dealership in Ukraine)Industries
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153$75,000+250 - 999 employeesCharlotte, NCDualboot Partners is a midsize custom software development company. In Charlotte, North Carolina; Raleigh, North Carolina and Montevideo, Uruguay, the firm was established in 2018. Their services include Custom Software Development, Web Development, UX/UI Design, cloud consulting & SI, and more.Read More
Clients
DebtBookIndustries
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154$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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155$10,000+50 - 249 employeesHyderabad, IndiaAhex Technologies, a software development company, was established in 2009. Their midsize team is located in Hyderabad, India and Middletown, Delaware. Their services include Custom Software Development, Artificial Intelligence, Mobile App Development, Web Development, and more.Read More
Clients
SamsungIndustries
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156$10,000+10 - 49 employeesJohannesburg, South AfricaBrave Digital, a web development company, was launched in 2002. Headquartered in Johannesburg, South Africa and Cape Town, South Africa, their small team focuses on Web Development, Web Design, and Custom Software Development.Read More
Clients
Accenture De Beers Fleishman Hillard Housing MasterIndustries
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157$10,000+50 - 249 employeesPerth, AustraliaRead More
Intuji is a software development company in Perth. Founded in 2015, they have about 50 employees and specialise in helping brands scale and grow using strategy, data, commerce and technology. Their services include customer experience consulting, web development, mobile app development, and UX/UI design.
Clients
Chamber of Commerce and Industry of Western AustraliaIndustries
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158$10,000+10 - 49 employeesKyiv, UkraineGoodface agency is an UX design company. Their small team is based in Kyiv, Ukraine and Bromley, England. Their services include UX/UI Design, Custom Software Development, Web Development, and Web Design. The company was launched in 2016.Read More
Clients
Magnetiq Bank 365 Games Corefy KARL STORTZIndustries
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159$25,000+50 - 249 employeesVinnytsia, UkraineRead More
Lampa Studio is a mobile app development agency founded in 2014. Based in Vinnytsya, Ukraine, the small team of four employees specializes in mobile app development, UX/UI design and AR/VR development. They primarily serve midmarket clients.
Clients
VoD/OTT Healthcare & Fitness GIS, Tracking, Logistic systems Cashback & Loyalty systemsIndustries
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160$5,000+10 - 49 employeesWarszawa, PolandRead More
Mobile Reality is a software development agency founded in 2016 with a team of 14. Based in Warsaw, Poland, the company specializes in web, custom software, and mobile app development services for small and midmarket firms. They mainly program using JavaScript and use both the frameworks React Native and NodeJS.
Clients
TuneGOIndustries
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161$25,000+10 - 49 employeesBudapest, HungaryMindtech Apps is a mobile application development firm based in Budapest, Hungary; London, England; Durham, North Carolina and Frederiksberg, Denmark. The small agency was launched in 2015. Their services include Mobile App Development, Web Development, and IT staff augmentation.Read More
Clients
KPMGIndustries
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162$50,000+10 - 49 employeesChicago, ILRead More
Red Foundry is a mobile application design and development consulting firm based in Chicago. Founded in 2009, they create native and cross-platform mobile applications for the iOS and Android platforms. The team provides UX/UI product design, full-stack application development (mobile apps, APIs and backend) and proactive post-launch support and maintenance services. Red Foundry’s clients include entrepreneurs and startups, small companies, and mid-market corporations.
Clients
Cooper's Hawk Bell Xcel Communications Data Group (CDG) Reyes HoldingsIndustries
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163$25,000+10 - 49 employeesArlington, VA3Advance, a mobile app development firm, is based in Arlington, Virginia and Austin, Texas. The small company was launched in 2010. Their services include Mobile App Development, Custom Software Development, Web Development, Artificial Intelligence, and more.Read More
Clients
StartupsIndustries
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164$1,000+250 - 999 employeesLagos, NigeriaTalosmart is a web development firm. Their midsize team is located in Lagos, Nigeria; San Francisco, California; London, England and Dubai, United Arab Emirates. Their services include Web Development, Web Design, Mobile App Development, and E-Commerce Development. The firm was launched in 2014.Read More
Clients
National Postgraduate Medical College of NigeriaIndustries
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165$25,000+10 - 49 employeesNeedham, MAEstablished in 2015, The Gnar Company is a website development company. They are headquartered in Needham, Massachusetts and have a small team. The company specializes in Web Development, Mobile App Development, Custom Software Development, UX/UI Design, and more.Read More
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166$10,000+250 - 999 employeesWarszawa, PolandSENLA is a midsize software development company. Located in Warszawa, Poland; London, England and Zagreb, Croatia, the agency was established in 2012. Their team focuses on Custom Software Development, Web Development, Mobile App Development, Blockchain, and more.Read More
Clients
Abbott BOSCH KPMG Western UnionIndustries
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167$10,000+10 - 49 employeesLos Angeles, CAAppMakers USA is a mobile application development firm. Founded in 2014, the team focuses on Mobile App Development, Artificial Intelligence, UX/UI Design, and Web Development. Their small firm is headquartered in Los Angeles, California and New York, New York.Read More
Clients
Los Angeles Apparel Walmart Number Hive NFLIndustries
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168$10,000+50 - 249 employeesInteractivated Solutions is an AI development company headquartered in Groningen, Netherlands and Miami, Florida. The midsize agency was founded in 2013. Their services include Artificial Intelligence, IT staff augmentation, UX/UI Design, Custom Software Development, and more.Read More
Clients
AllyMS USA/CanadaIndustries
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169$25,000+250 - 999 employeesHouston, TXTekRevol is a midsize application development company founded in 2018. Their team specializes in Mobile App Development, IT staff augmentation, Custom Software Development, Web Development, and more. The company is located in Houston, Texas; Red Deer, Canada; Newark, California and New York, New York.Read More
Industries
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170$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
Alexander ForbesIndustries
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171$5,000+10 - 49 employeesPoltava, UkraineWeb development firm Web Help Agency was launched in 2015. Headquartered in Poltava, Ukraine and Bristol, England, their small team specializes in Web Development.Read More
Clients
Domino's pizzaIndustries
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172$5,000+50 - 249 employeesStamford, EnglandRead More
Offshorly, a custom software development firm, was launched in 2014. Their midsize team is based in Stamford, England and Quezon City, Philippines and provides Custom Software Development, Artificial Intelligence, Web Design, Web Development, and more.
Clients
7-11 (Philippines) Dribble Portfolio: https://dribbble.com/offshorlyIndustries
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173$75,000+50 - 249 employeesBoston, MARead More
Web development company 10up is headquartered in Sacramento, California; Boston, Massachusetts; New York, New York and London, United Kingdom. The agency provides web development, ux/ui design, web design, digital strategy, and more and is midsize.The agency was established in 2011.
Industries
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174$10,000+50 - 249 employeesGdańsk, PolandNeoteric is a midsize Generative AI company. Headquartered in Gdańsk, Poland and New York, New York, the company was founded in 2005. Their services include Generative AI, Artificial Intelligence, AI Consulting, Custom Software Development, and more.Read More
Clients
KIONA (Energy, Utilities), Siemens (Electronics), Nestle (FMCG), The World Bank (Finance), Liveramp (Data integration), Boeing (Aviation), Crowdstrike (Cybersecurity), Apporchid (AI), Nanoramic (Energy), Client.io (Diagramming), yWorks (Diagramming)Industries
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175$10,000+50 - 249 employeesWarszawa, PolandRubyroid Labs, an IT staff augmentation company, was established in 2013. Based in Warszawa, Poland and Springfield, Illinois, their midsize team focuses on IT staff augmentation, Custom Software Development, Web Development, UX/UI Design, and more.Read More
Clients
Big Purple Dot, Volvo, Mastercard, Zeitview, Sail Croatia, VolitionIndustries
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176$10,000+50 - 249 employeesBerkeley, CARead More
Founded in 2016, Crowdbotics is a development company based in Berkeley, Calif. They work with businesses of all sizes in the business services, consumer products, and healthcare fields.
Clients
StripeIndustries
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177$10,000+10 - 49 employeesRead More
Merge Rocks is a small user experience company. Founded in 2018, the agency is in Tallinn, Estonia. Their team specializes in UX/UI Design, Web Design, and Web Development.
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178$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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179$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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180$25,000+50 - 249 employeesBoston, MAVAIRIX Software Development is a Montevideo, Uruguay-based custom software development company. The midsize firm was launched in 2010. Their services include Custom Software Development, IT staff augmentation, Mobile App Development, other IT consulting and SI, and more.Read More
Industries
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