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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151$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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152$5,000+10 - 49 employeesMontreal, CanadaWebisoft, a Blockchain company, is based in Montreal, Canada and Miami, Florida. The company offers Blockchain, Custom Software Development, and Web Development and has a small team.The company was founded in 2016.Read More
Clients
CogecoIndustries
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153$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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154$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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155$5,000+50 - 249 employeesRead More
GroupBWT is a big data analytics company. They are based in London, England and Altadena, California and have a midsize team that offers BI & big data consulting & SI, Custom Software Development, Web Development, Artificial Intelligence, and more. The firm was founded in 2009.
Clients
World Health OrganizationIndustries
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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 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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158$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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159$1,000+250 - 999 employeesHanoi, VietnamAMELA Technology is a website development company. The midsize Hanoi, Vietnam-based team focuses on Web Development, Mobile App Development, IT staff augmentation, Artificial Intelligence, and more. The company was founded in 2019.Read More
Clients
SkystreeIndustries
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160$25,000+50 - 249 employeesLas Palmas de Gran Canaria, SpainLasting Dynamics is a midsize app development company. Founded in 2015, the company is headquartered in Torre del Greco, Italy and Las Palmas de Gran Canaria, Spain. Their team offers Mobile App Development, Web Development, Artificial Intelligence, Custom Software Development, and more.Read More
Clients
Sunrise.chIndustries
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161$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.
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162$5,000+50 - 249 employeesNashville, TNUPQODE is a web design agency headquartered in Nashville, Tennessee; New York, New York; Tampa, Florida and Seattle, Washington. The midsize firm was launched in 2015. Their services include Web Design, UX/UI Design, and Web Development.Read More
Clients
Gracenote - Entertainment ProvidersIndustries
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163$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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164$75,000+10 - 49 employeesPorto, PortugalRead MoreSignifica is a forward-thinking digital agency that specialises in building exceptional digital products. Based in Porto, Portugal, Significa has earned a reputation for blending creativity with technical expertise to serve clients worldwide. Founded over a decade ago, the company has grown to a team of around 30 talented professionals. Significa partners with diverse clients, delivering tailored solutions that drive meaningful results in the digital space.
Clients
mishmash. HeyHarper. allO. Zoko.Industries
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165$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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166$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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167$10,000+10 - 49 employeesLondon, EnglandCreativeWeb is a London, England-based web design company. The firm provides Web Design, Web Development, Search Engine Optimization, and E-Commerce Development and is small.The firm was founded in 2013.Read More
Clients
Gorilla Science The Tunnels - Gibraltar's WWII Experience Soapbox NATO Innovation FundIndustries
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168$1,000+2 - 9 employeesChicago, ILFlamingo Agency is a web design company. Founded in 2017, the team offers Web Design, Web Development, and Search Engine Optimization. Their small firm is headquartered in Chicago, Illinois.Read More
Clients
Gray Talent Group Stanford Emergency Medicine Hall Erickson Neuromuscular DiagnosticsIndustries
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169$25,000+50 - 249 employeesAustin, TXBRIGHTSCOUT, a branding company, was founded in 2017. They are in Austin, Texas; Santa Fe de la Vera Cruz, Argentina; Beograd, Serbia and Gurugram, India and have a midsize team. Their services include Branding, Custom Software Development, Web Design, UX/UI Design, and more.Read More
Industries
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170$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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171$25,000+250 - 999 employeesKraków, PolandCustom software development firm TechMagic was launched in 2014. The midsize team offers Custom Software Development, Artificial Intelligence, Web Development, Mobile App Development, and more. The firm is based in Kraków, Poland; Sausalito, California; Brookline, Massachusetts and London, England.Read More
Clients
MHC Healthcare Huckleberry Labs Tiro.Health eType CareIndustries
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172$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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173$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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174$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
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175$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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176$25,000+50 - 249 employeesKraków, PolandDBB Software is a custom software development company. Launched in 2015, the team focuses on Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more. Their midsize firm is in Kraków, Poland and Dnipro, Ukraine.Read More
Clients
JLL Akamai DispatchHealth DoctifyIndustries
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177$10,000+50 - 249 employeesHyderabad, IndiaAhex Technologies is an artificial intelligence development company. Launched in 2009, the agency is headquartered in Hyderabad, India and Middletown, Delaware. The midsize team specializes in Artificial Intelligence, Mobile App Development, ERP consulting and SI, AI Agents, and more.Read More
Clients
SamsungIndustries
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178$1,000+250 - 999 employeesKolkata, IndiaRead More
Digital Aptech is an e-commerce development company located in Kolkata, India. The midsize firm was established in 2011. Their team focuses on E-Commerce Development, Digital Strategy, UX/UI Design, IT staff augmentation, and more.
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179$10,000+50 - 249 employeesRzeszów, PolandMidsize e-commerce development firm Sintra - Digital Business. Poland, is in Rzeszów, Poland and Dnipro, Ukraine. They provide E-Commerce Development, UX/UI Design, IT strategy consulting, Custom Software Development, and more and were established in 2016.Read More
Clients
Vegamour - Hair care and beauty company using science-driven approach to address hair health. Inc. 5000, No. 152 (2022) 3,284% 3-Year Growth.Industries
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180$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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