Top 100 JavaScript Developers
The Best of October 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.
List of the Best JavaScript Development Companies
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2101$25,000+50 - 249 employeesXseed Solutions is a midsize mobile application development firm. They focus on Mobile App Development, Web Development, UX/UI Design, and IT staff augmentation and were launched in 2010.Read More
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Coca ColaIndustries
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2102$5,000+2 - 9 employeesBeograd, SerbiaRead More
Eximius Solutions is a digital agency headquartered in Belgrade, Serbia. It also has offices in London, Miami, and Toronto that specialize in web design, SEO, and UX/UI design. Founded in 2010, the agency has 7 employees who work with clients in advertising and marketing, business services, and consumer products and services industries.
Clients
Cubico CoffeeIndustries
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2103$50,000+2 - 9 employeesBucurești, Romania360design, a software development firm, is headquartered in București, Romania. They focus on custom software development, web development, mobile app development, and e-commerce development and were launched in 2008.Read More
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2104$50,000+10 - 49 employeesApp development company Axmit was established in 2015. The small team offers Mobile App Development, Web Development, and Custom Software Development. The company is headquartered in Tallinn, Estonia.Read More
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2105$5,000+10 - 49 employeesVasudev Innovative Software, a small website development firm, is based in Sahibzada Ajit Singh Nagar, India. They specialize in Web Development, Custom Software Development, Mobile App Development, UX/UI Design, and more and were founded in 2021.Read More
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2106$25,000+10 - 49 employeesOgden, UTHQ is a small AI firm established in 2012. Their team specializes in Artificial Intelligence, Custom Software Development, UX/UI Design, Mobile App Development, and more. The company is headquartered in Ogden, Utah.Read More
Clients
FacebookIndustries
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2107$5,000+10 - 49 employeesKyiv, UkraineRead More
Viaduct is a software development company based in Kyiv, Ukraine. Founded in 2011, their team of roughly 30 focuses on midmarket clients across industries. Services include e-commerce development, web development, mobile app development, and more.
Clients
Johnson & JohnsonIndustries
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2108$10,000+10 - 49 employeesWarszawa, PolandRead More
Havenocode, a software development company, was established in 2020. Their small team is located in Warszawa, Poland. Their services include custom software development, web development, and mobile app development.
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2109$5,000+10 - 49 employeesSahibzada Ajit Singh Nagar, IndiaNascenture is a software development firm. The small Sahibzada Ajit Singh Nagar, India-based company was launched in 2013. Their services include Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more.Read More
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2110$5,000+10 - 49 employeesRead More
Grayphite is a small web development company. Located in San Jose, California, the firm was established in 2018. Their services include web development, custom software development, mobile app development, e-commerce development, and more.
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2111$10,000+50 - 249 employeesSingaporeRead More
CSSSR is a web development firm. Established in 2012, the midsize company is located in Singapore, Singapore and Moskva, Russia. Their team focuses on web development, e-commerce development, custom software development, and application testing.
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2112$25,000+10 - 49 employeesNew York, NYRead More
Rebellion7 LLC is a web design company in Niagara Falls, New York. The small firm was established in 2017. Their team specializes in web design, web development, e-commerce development, ux/ui design, and more.
Clients
GV (Google Venture)Industries
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2113$1,000+10 - 49 employeesAhmedabad, IndiaInara consultancy services is a custom software development company established in 2018. The small team offers custom software development, mobile app development, web development, IoT development, and more. The company is located in Ahmedabad, India.Read More
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2114$5,000+50 - 249 employeesJaipur, IndiaDecipher Zone Technologies Pvt Ltd is a custom software development firm. They offer Custom Software Development, Mobile App Development, IT managed services, and Web Development and were established in 2015. Their midsize team is Jaipur, India-based.Read More
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2115$5,000+10 - 49 employeesRead More
Founded in 2009, Devathon is a mobile app and web development shop based in Hyderabad, India with an office in Santa Clara, Calif. A team of less than 50, Devathon offers web development, mobile app development and e-commerce development services to small businesses working primarily in consumer products & services, education or IT.
Clients
discovered.Industries
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2116$1,000+10 - 49 employeesThryve Labs is a email marketing company. They are based in Lahore, Pakistan and Sipson, United Kingdom and have a small team. Their services include email marketing, conversion optimization, blockchain marketing, advertising, and more. The company was established in 2015.Read More
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2117$10,000+2 - 9 employeesWarszawa, PolandKosmosKod is a custom software development firm. The small London, England-based team provides Custom Software Development, Mobile App Development, Web Development, Enterprise App Modernization, and more. The firm was launched in 2022.Read More
Industries
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2118$5,000+10 - 49 employeesKharkiv, UkraineIntent Solutions, a website development firm, was founded in 2013. Their small team is in Kharkiv, Ukraine. Their services include Web Development, E-Commerce Development, Mobile App Development, API Development, and more.Read More
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2119$1,000+50 - 249 employeesSumy, UkraineRead More
Unilime Group is a midsize graphic design company. Founded in 2012, the firm is based in Sumy, Ukraine. Their services include graphic design, web development, web design, ux/ui design, and more.
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2120$5,000+10 - 49 employeesWarszawa, PolandRead More
Ideamotive is a global software development agency headquartered in Warsaw, Poland with offices in five other European countries, Israel, and the United States. Founded in 2014, the Ideamotive team has about 30 employees. They provide full-cycle web and mobile application development and UI/UX design for digital products.
Clients
Nielsen -
2121$5,000+250 - 999 employeesRead More
Contus is an IT services and development firm based in Atlanta, Ga. It also has offices in Sunnyvale, Calif. and Chennai, India. It was founded in 2008 and employs over 400. Contus primarily provides mobile app development, web development, and e-commerce development.
Clients
VALRTIndustries
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2122$25,000+10 - 49 employeesRead More
OpenConcept Consulting is an enterprise platform developer in Ottawa, Canada. Founded in 1999, they have about 7 employees that do web development, custom software development, and IT consulting. Clients are in the nonprofit, private, and public sectors.
Clients
CUPE -
2123$25,000+10 - 49 employeesYerevan, ArmeniaINCONCEPTLABS LLC is a custom software development firm. Founded in 2014, the team focuses on custom software development, web development, mobile app development, and ux/ui design. Their small company is Yerevan, Armenia-based.Read More
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2124$25,000+10,000+ employeesMumbai, IndiaRead More
Datamatics (formerly TechJini, Inc) is a mobile app development company based in Bangalore, India with an additional office in Princeton, N.J. The company was founded in 2005 and has grown since then to a team of about 300. They provide mobile app and web development, UX/UI design, and IT strategy consulting.
Clients
HoneywellIndustries
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2125$1,000+2 - 9 employeesRead More
Webjaksklep.eu is a small SEO company. They offer search engine optimization, web design, ux/ui design, and e-commerce development and were launched in 2019.
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2126$5,000+10 - 49 employeesToronto, CanadaEstablished in 2021, Canadian Software Agency Inc is a custom software development company. They are located in Toronto, Canada and have a small team. Their services include Custom Software Development, Mobile App Development, E-Commerce Development, Web Development, and more.Read More
Clients
Walmart OPTA Nescafe Toronto GreenP ParkingIndustries
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2127$25,000+10 - 49 employeesKraków, PolandRead More
Launched in 2015, Peak11 is a software development company. Their small team is headquartered in Kraków, Poland. Their team provides custom software development, web development, mobile app development, and Artificial Intelligence.
Clients
TenkoIndustries
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2128$50,000+10 - 49 employeesPrague, Czech RepublicRead More
EVOCODE is a software development company based in Prague, Czech Republic. Founded in 2014, this company has a team of 10 employees. Services provided by EVOCODE include web development and custom software development for business of all sizes.
Clients
Din FamiliejuristIndustries
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2129$10,000+50 - 249 employeesKyiv, UkraineRedwerk, a midsize custom software development company, is based in Kyiv, Ukraine; Tallinn, Estonia and New York, New York. They focus on Custom Software Development, Blockchain, Web Development, and Mobile App Development and were established in 2005.Read More
Clients
Recruit Media, Inc.Industries
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2130$1,000+10 - 49 employeesSwansea, WalesLaunched in 2010, The Constant Media is a web design agency. The small team specializes in Web Design, UX/UI Design, Web Development, and E-Commerce Development. The agency is based in Swansea, Wales.Read More
Clients
William Grants & Sons Van Cleef & Arpels Glenfiddich Whisky Asahi
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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.