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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421Undisclosed1,000 - 9,999 employeesHo Chi Minh City, VietnamCBTW APAC, a large software development company, is located in Ho Chi Minh City, Vietnam; Hanoi, Vietnam; Pasay, Philippines and Bengaluru, India. Founded in 1999, the team specializes in Custom Software Development, cloud consulting & SI, Web Development, Mobile App Development, and more.Read More
Clients
National Australia Bank (NAB) Microsoft Metrobank CIMB ThaiIndustries
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422$50,000+250 - 999 employeesThiruvananthapuram, IndiaRead More
InApp was founded in 2000 and currently has 300+ employees. Headquartered in Trivandrum, India, their services include web development, custom software development, and mobile app development. They also have another location in Palo Alto, Calif.
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423$50,000+10 - 49 employeesVancouver, CanadaRead More
POWERSHiFTER is a digital strategy and development company that was founded in 2008. The agency has a team of 32 employees across Canada in Vancouver and Toronto. They focus on projects in web design, mobile app development, UX/UI design, SEO, and conversion optimization. These efforts mostly serve companies in the advertising and marketing, business services, financial services, IT, and telecommunications industries.
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424$50,000+10 - 49 employeesChicago, ILRead More
Highland is a digital experience agency based in Chicago. Founded in 1999, the team of about 30 specializes in product strategy, UX/UI design, and custom software development. They work primarily with midmarket to enterprise clients, mainly in the healthcare, financial services, and nonprofit sectors.
Clients
Thrivent FinancialIndustries
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425$10,000+50 - 249 employeesLondon, EnglandIn London, United Kingdom, MOHARA is a business consulting company. The agency provides business consulting and is midsize.The agency was established in 2016.Read More
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426$5,000+50 - 249 employeesAustin, TXRubico is a software development firm. The midsize Austin, Texas-based company was launched in 2003. Their team specializes in Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more.Read More
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427$25,000+50 - 249 employeesWarszawa, PolandSoftware development firm TeaCode was launched in 2017. Their midsize team is headquartered in Warszawa, Poland. Their services include Custom Software Development, Artificial Intelligence, Web Development, and Mobile App Development.Read More
Clients
Plannin Trava IntelligentHealth Deutsche BildungIndustries
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428$5,000+50 - 249 employeesKolkata, IndiaMobile app development firm Mass Software Solutions Private Limited was founded in 2001. Their midsize team is located in Kolkata, India and Singapore. Mass Software Solutions Private Limited offers Mobile App Development, Web Development, Artificial Intelligence, and Web Design.Read More
Clients
The Lunch BagIndustries
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429$25,000+50 - 249 employeesPoznań, PolandArtificial intelligence development company Merixstudio was founded in 1999. The agency provides Artificial Intelligence, Custom Software Development, and Web Development and has a midsize team. The agency is in Poznań, Poland; New York, New York; Bristol, England and Berlin, Germany.Read More
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430$10,000+250 - 999 employeesHo Chi Minh City, VietnamSaigon Technology, a custom software development company, was established in 2012. The agency provides Custom Software Development, Web Development, Mobile App Development, IT managed services, and more and has a midsize team. The agency is based in Reston, Virginia; Reston, Virginia; Singapore and Ho Chi Minh City, Vietnam.Read More
Clients
WELIO YPO Lucette One HarvestIndustries
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431$5,000+50 - 249 employeesWarszawa, PolandRead More
Develtio is a Polish software house based in Warsaw and founded in 2016. They comprise five employees experienced in redefining software production through agile IT talent management and a quantitative approach to scoping projects. They specialize in the development and design of custom software and websites.
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BNP ParibasIndustries
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432$25,000+10 - 49 employeesPortland, ORRead More
Olio Apps is a development agency based in Portland, Ore., and founded in 2012. Their team of more than two provides custom software, web, and mobile app development solutions for clients that range from small startups to large enterprises.
Clients
ApptioIndustries
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433$25,000+250 - 999 employeesSan Francisco, CARobosoft Technologies Inc. Is a San Francisco, California-based app development company. They offer Mobile App Development, UX/UI Design, Web Development, Custom Software Development, and more and were launched in 1996.Read More
Clients
Warner Bros. Discovery HSBC McDonalds Mercury FinanceIndustries
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434$10,000+10 - 49 employeesLondon, EnglandRead More
Plug & Play is a UX/UI agency based in London and Surrey. Founded in 2007, they are specialists in user experience and user interface design for software, websites and custom applications. They also have a front-end development service to support clients with the design implementation. Plug & Play work across a number of sectors with their clients ranging from funded startups to large corporations such as Legal & General.
Clients
WWF Powerleague Give A Grad A Go RSL AwardsIndustries
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435$50,000+10 - 49 employeesSencur, SloveniaRead More
Creatim Rzisnik Perc is a digital agency founded in 2000 with a team of fewer than 50 professionals. Based in Sencur, Slovenia, the company offers their services in custom software development, e-commerce development, and UX.UI design for small and medium-sized businesses. They primarily work in the field of e-commerce, as well as in the industries of hospitality and financial services.
Clients
SKB bank Vita Insurance Slovenian Tourist Organization MerkurIndustries
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436$50,000+50 - 249 employeesMelbourne, AustraliaBased in Melbourne, Australia; Sydney, Australia; Brisbane City, Australia and Legian, Indonesia, Luminary is a web design company. The midsize team specializes in Web Design, Web Development, Digital Strategy, Search Engine Optimization, and more and was founded in 1999.Read More
Clients
Clipsal by Schneider ElectricIndustries
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437$25,000+10 - 49 employeesNashville, TNRead More
Pyxl is a digital agency based in Nashville, Tenn. that provides all-in-one digital marketing services and solutions across projects' lifecycles. Founded in 2008, the team of 30 creatives specializes in enterprise-level website development, UX/UI, digital strategy, and marketing services including branding, graphic design, content writing, social media, paid media, and SEO.
Clients
IBM United States Air Force Academy iFit Health and Fitness QTS Data CenterIndustries
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438$10,000+50 - 249 employeesHouston, TXCentric is a web design agency. Headquartered in Houston, Texas and Dubai, United Arab Emirates, their midsize team focuses on Web Design, Web Development, Branding, Social Media Marketing, and more. The agency was founded in 2012.Read More
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439$10,000+50 - 249 employeesAhmedabad, IndiaMidsize software development firm 7Span, is headquartered in Ahmedabad, India and Timberlea, Canada. Established in 2015, the team provides Custom Software Development, ERP consulting and SI, Artificial Intelligence, Mobile App Development, and more.Read More
Clients
Pfizer (US) T-Systems (US) Princeton University (US) CRDBAG (Sweden)Industries
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440$5,000+10 - 49 employeesIrvine, CAMattered is an Irvine, California-based Email Marketing company. The small team provides Email Marketing, SMS Marketing, Web Development, and AI Consulting and was established in 2021.Read More
Clients
Yeti LSU Byte BurtonIndustries
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441$1,000+50 - 249 employeesNoida, IndiaRead More
Founded in 2012, DJ Interactive Solutions is an AR/VR development company. The agency provides AR/VR development, web development, ux/ui design, IoT development, and more and has a midsize team. The agency is headquartered in Noida, India.
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442$25,000+250 - 999 employeesMaringá, BrazilRead More
DB1 Global Software is a software development company headquartered in Maringa, Brazil and founded in 2000. They have a team of 500 who provide custom software development, UX/UI design, mobile and web development services to mid market clients. They primarily work with clients in the BFSI, tech, and utilities industries.
Clients
EBANXIndustries
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443$10,000+10 - 49 employeesIași, RomaniaRead More
Founded in 2018, HungryBytes is a custom software development company. Located in Iași, Romania, their small team provides custom software development, ux/ui design, web development, Artificial Intelligence, and more.
Clients
World Health OrganizationIndustries
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444$25,000+250 - 999 employeesVitória, Brazil99x - Nearshore Engineers & AI Agents is a custom software development company. They are based in Vitória, Brazil; Oslo, Norway; Algés, Portugal and Colombo, Sri Lanka and have a midsize team. The company provides Custom Software Development, IT staff augmentation, Artificial Intelligence, Mobile App Development, and more.Read More
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445$5,000+10 - 49 employeesBengaluru, IndiaIn Bengaluru, India, Rasonix is a website development company. The agency specializes in Web Development, Search Engine Optimization, Mobile App Development, E-Commerce Development, and more and is small.The agency was launched in 2023.Read More
Clients
📌Devstringx Technlogies 📌MYTYLES.COM 📌Vishesh Lab 📌SHEC IndiaIndustries
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446$5,000+50 - 249 employeesKrk, CroatiaAfternow (formerly BB Agency) is a branding agency. The midsize Krk, Croatia-based agency was established in 2012. Their services include Branding, Web Design, Mobile App Development, Web Development, and more.Read More
Clients
ShipBobIndustries
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447$5,000+50 - 249 employeesAsunción, ParaguaySmartApp is a midsize e-commerce development firm headquartered in Asunción, Paraguay; Yerevan, Armenia and Denver, Colorado. Established in 2010, the team specializes in E-Commerce Development, Low/No Code Development, UX/UI Design, Custom Software Development, and more.Read More
Clients
Deutsche TelekomIndustries
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448$10,000+10 - 49 employeesLondon, EnglandFounded in 2018, Hiyield is a web design agency. Their small team is headquartered in London, England; Truro, England and Bristol, England. Their team offers Web Design, UX/UI Design, Custom Software Development, Web Development, and more.Read More
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449$10,000+10 - 49 employeesBerlin, GermanyRead More
Advertising company eobiont was founded in 2000. In Berlin, Germany, their small team offers advertising, public relations, web design, web development, and more.
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450$10,000+10 - 49 employeesPančevo, SerbiaBroworks, a web design agency, was launched in 2019. The small team offers Web Design, Web Development, UX/UI Design, Artificial Intelligence, and more. The firm is headquartered in Pančevo, Serbia; Montréal, Canada and Orlando, Florida.Read More
Clients
Frontera Search Partners Epiq Solutions Visa FranchiseIndustries
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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.