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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301$10,000+50 - 249 employeesPhiladelphia, PALaunched in 2010, Curotec is a software development company. In Philadelphia, Pennsylvania and Newtown Square, Pennsylvania, their midsize team specializes in Custom Software Development, Web Design, and Web Development.Read More
Clients
PlumeIndustries
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302$10,000+10 - 49 employeesBuenos Aires, ArgentinaRead More
Indicius is a software development agency based in Vicente Lopez, Argentina. The agency was founded in 2012 and has a team of around 12 specialists who provide UX/UI design, branding, and web design services to small and midmarket businesses.
Clients
Salsa The Underwatch Hotel Nubi KapitalIndustries
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303$25,000+10 - 49 employeesBrooklyn, NYJetRockets is an artificial intelligence firm. They focus on Artificial Intelligence, Custom Software Development, Web Development, Mobile App Development, and more and were established in 2012. Their small team is Brooklyn, New York-based.Read More
Clients
LendingOne Safari Portal eBay The Gut StuffIndustries
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304$50,000+10 - 49 employeesScottsdale, AZRead More
AKOS is a small custom software development firm. Founded in 2015, the agency is in Scottsdale, Arizona. Their team specializes in custom software development, ux/ui design, web development, and digital strategy.
Clients
ClubReadyIndustries
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305$50,000+50 - 249 employeesToronto, CanadaMajor Tom is a branding agency in New York, New York; Toronto, Canada; Vancouver, Canada and San Jose, California. Launched in 2000, the midsize team focuses on Branding, Marketing Strategy, Digital Strategy, Search Engine Optimization, and more.Read More
Clients
The Little Potato Company SAP L'Oreal PepsiCoIndustries
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306$50,000+10 - 49 employeesMar del Plata, ArgentinaRead More
XOOR is a software development company based in Mar del Plata, Argentina. It was founded in 2017 and now employs a team of 6 that provides web , e-commerce development, and custom software development services. Though they work primarily with small businesses, they also have experience partnering with mid-market outfits.
Clients
Boundary DigitalIndustries
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307$10,000+50 - 249 employeesSanto Tomé, ArgentinaFounded in 2003, Serfe is a web development company. Their midsize team is headquartered in Santo Tomé, Argentina and offers Web Development, Mobile App Development, Custom Software Development, and E-Commerce Development.Read More
Clients
bluejacketeer.com monin.com kaplan.com yadavjewelry.comIndustries
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308$25,000+10 - 49 employeesMontevideo, UruguayEffectus Software is a small web development firm established in 2017. Their services include Web Development, Mobile App Development, Custom Software Development, IT staff augmentation, and more. The firm is headquartered in Montevideo, Uruguay.Read More
Clients
WyshboxIndustries
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309$10,000+250 - 999 employeesNashua, NHRead More
A tech frontrunner since 1989, Zco is a full-stack app development firm offering web, mobile, and animation services. Headquartered in Nashua, New Hampshire with a Boston office, the 200+ specialists comprise a powerhouse team with outstanding and varied proficiencies.
Clients
GolflogixIndustries
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310$10,000+10 - 49 employeesSacramento, CARead More
Three29, a web design agency, is located in Sacramento, California and Jacksonville, Florida. They focus on Web Design, Web Development, Pay Per Click, Search Engine Optimization, and more and were founded in 2010.
Clients
Facebook Bogle Family Vinyards Greater Sacramento Economic Council Mikuni SushiIndustries
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311$10,000+50 - 249 employeesStockholm, SwedenRead More
openGeeksLab is an IT development company of around 50 employees, established in 2015. Their headquarters is in Toronto, Canada, with a second location in Zaporizhzhia, Ukraine. They offer services in mobile app development, web development, and blockchain. They serve small, midmarket, and enterprise clients in the business, energy, financial, and healthcare industries.
Clients
The H HubIndustries
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312$10,000+250 - 999 employeesWrocław, PolandMidsize custom software development company Scalo, is headquartered in Wrocław, Poland; Kraków, Poland; Warszawa, Poland and Katowice, Poland. Launched in 2007, the team offers Custom Software Development, BI & big data consulting & SI, IT managed services, IT staff augmentation, and more.Read More
Clients
BNP Paribas, Pagaya, ING, Santander, Daimler TB.LX, Zooplus, Tabnine, Backbase, Change DonationsIndustries
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313$25,000+10 - 49 employeesCohoes, NYTroy Web Consulting is a software development firm. The Cohoes, New York-based company was founded in 2002. The small team offers Custom Software Development, Web Development, Web Design, UX/UI Design, and more.Read More
Clients
United Concierge MedicineIndustries
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314$25,000+250 - 999 employeesPune, IndiaRead More
Velotio Technologies is a development company based in Pune, India, that provides custom software, AI, and application testing services. They were founded in 2017, and their team consists of fewer than 250 employees.
Clients
BludotIndustries
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315$5,000+50 - 249 employeesAhmedabad, IndiaCMARIX, a custom software development firm, was established in 2009. They are in Ahmedabad, India; Temecula, California; Oberhausen, Germany and Lagos, Nigeria and have a midsize team. Their services include Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more.Read More
Clients
Schneider ElectricIndustries
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316$25,000+10 - 49 employeesNew York, NYSavas Labs is a small web development company founded in 2013. Their services include Web Development, Web Design, UX/UI Design, Custom Software Development, and more. The agency is located in New York, New York; San Francisco, California; Boston, Massachusetts and Washington, District of Columbia.Read More
Clients
Harvard University Environmental Defense Fund Adobe NPRIndustries
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317$25,000+50 - 249 employeesTa' Xbiex, MaltaQArea, a software development firm, is based in Ta' Xbiex, Malta. Established in 2001, the midsize team offers Custom Software Development, Web Development, and IT staff augmentation.Read More
Clients
Huff PostIndustries
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318$50,000+10 - 49 employeesVancouver, CanadaMobile app development company Pieoneers was established in 2009. The small Vancouver, Canada-based team provides Mobile App Development, Web Development, Artificial Intelligence, and AI Agents.Read More
Clients
University of British Columbia (UBC)Industries
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319$25,000+2 - 9 employeesBucurești, RomaniaRead More
Melonbyte is a website development firm. They are located in București, Romania and have a small team. Their services include web development, mobile app development, and other application development. The firm was launched in 2014.
Clients
BetterspenderIndustries
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320$10,000+10 - 49 employeesOakland, CARead More
Founded in 2021, Nimi Tech Limited is a small software development firm based in Oakland, California; Colombo, Sri Lanka and Chennai, India. Their services include custom software development, web development, mobile app development, IT staff augmentation, and more.
Industries
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321$50,000+10 - 49 employeesMiami, FLCosmico Studios is a Miami, Florida-based web design company and website development company. Established in 2019, the small team offers Web Design and Web Development.Read More
Industries
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322$10,000+50 - 249 employeesWrocław, PolandFounded in 2016, Techstack company is an app development firm. The firm provides Mobile App Development, Custom Software Development, Web Development, Artificial Intelligence, and more and has a midsize team. The firm is located in Wrocław, Poland; Tallinn, Estonia; Kyiv, Ukraine and L'viv, Ukraine.Read More
Clients
Corel VivaQuant SkillLab Exaum EnergyIndustries
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323$10,000+50 - 249 employeesKarachi, PakistanRead More
WPExperts is a web development firm established in 2011. They are located in Karachi, Pakistan; Claymont, Delaware and Alexandria, Egypt and have a midsize team. The company specializes in Web Development, E-Commerce Development, IT staff augmentation, Web Design, and more.
Industries
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324$5,000+250 - 999 employeesKirkland, WAEstablished in 2005, UKAD is an IT staff augmentation company. Their midsize team is located in Kirkland, Washington; Kraków, Poland; Kharkiv, Ukraine and Cesson-Sévigné, France and focuses on IT staff augmentation, E-Commerce Development, Low/No Code Development, Custom Software Development, and more.Read More
Clients
AJ Produkter Ginza TargetAid EntitledToIndustries
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325$75,000+10 - 49 employeesMalvern, PAWeb development firm The Durkan Group was founded in 1998. Their small team is based in Malvern, Pennsylvania and specializes in Web Development, Web Design, Branding, and UX/UI Design.Read More
Clients
LLRIndustries
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326$10,000+50 - 249 employeesL'viv, UkraineLaunched in 2017, SmartTek Solutions is a custom software development company. The company offers Custom Software Development, Web Development, ERP consulting and SI, and AR/VR development and has a midsize team. The company is in L'viv, Ukraine; Warszawa, Poland; București, Romania and Austin, Texas.Read More
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327$25,000+50 - 249 employeesL'viv, UkraineReenbit is a custom software development firm. Launched in 2018, the midsize company is headquartered in L'viv, Ukraine; Warszawa, Poland and Markham, Canada. Their services include Custom Software Development, Enterprise App Modernization, BI & big data consulting & SI, Web Development, and more.Read More
Clients
CloudBooking Glowi EClou DataloopIndustries
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328$10,000+50 - 249 employeesKyiv, UkraineRead More
itjet is a software company based in Kyiv, Ukraine, and founded in 2019. With more than 10 employees, they specialize in web and mobile app development solutions for small and medium-sized businesses alike.
Clients
LumioIndustries
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329$5,000+10 - 49 employeesLos Angeles, CARead More
Bespoke Design is a web design firm based in Warsaw, Poland. Founded in 2015 ,their team of 5 serves clients in the IT services sector. Services include web development and JavaScript development.
Clients
NokiaIndustries
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330$5,000+50 - 249 employeesDnipro, UkraineRead More
Kultprosvet is an app development firm headquartered in Dnipro, Ukraine and Giv'atayim, Israel. Launched in 2012, the midsize team offers Mobile App Development, Custom Software Development, UX/UI Design, Web Development, and more.
Clients
Liquidity Capital PolySurance (PolyCam) Bettercare Gifted (Gifted.co)Industries
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