Top 100 JavaScript Development Companies in the United Kingdom
The Best of April 2026Looking for a top JavaScript developer in the United Kingdom?
If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. Disadvantages to consider include security such as bugs on the client-side.
To assist you in your search for a partner, we’ve compiled this list of the top JavaScript development agencies in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom JavaScript Developers
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271$5,000+2 - 9 employeesSouthampton, EnglandRead More
MODN Studio, a web development firm, was launched in 2021. The small Southampton, United Kingdom-based team offers web development, mobile app development, e-commerce development, and application management & support.
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272$10,000+2 - 9 employeesHereford, EnglandRead More
Voodoochilli is a web design company located in Hereford, United Kingdom; London, United Kingdom and Boliqueime, Portugal. They focus on web design, ux/ui design, web development, digital strategy, and more and were founded in 2001.
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Engel & VölkersIndustries
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273$1,000+10 - 49 employeesLondon, EnglandBased in Tirana, Albania; New York, New York; London, England and Berlin, Germany, Web Design & Development is a web design agency. They offer Web Design, Search Engine Optimization, Web Development, E-Commerce Development, and more and were launched in 2021.Read More
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274$10,000+50 - 249 employeesLondon, EnglandRead More
4xxi is a web and mobile development company headquartered in London, UK with satellite offices in Saint Petersburg and Saransk, Russia. 4xxi's team of 50+ employees provides web development, mobile app development, and custom software development services to startups, mid-market businesses, and enterprises alike. They also have a diverse industry presence, working with healthcare, financial services, and education firms.
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FIFAIndustries
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275$5,000+10 - 49 employeesLondon, EnglandIn London, United Kingdom, Main Menu is a software development firm. The small team offers custom software development, web development, web design, ux/ui design, and more. The agency was launched in 2009.Read More
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276$50,000+10 - 49 employeesDundee, ScotlandRead More
Vidatec is a web and mobile app development company based in Stirling, U.K., with an office in Edinburgh, U.K. The company, founded in 2010, has more than 15 employees and provides mobile app development, web development, and UX/UI design services to enterprise and smaller-sized companies and institutions in the government, hospitality & leisure, retail, and other industries.
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Public Health EnglandIndustries
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277$5,000+2 - 9 employeesLondon, EnglandRead More
Animus Bytes is an UX design company. Founded in 2020, the team focuses on ux/ui design, custom software development, web development, and mobile app development. Their small firm is headquartered in London, United Kingdom.
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SkydrocellIndustries
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278$25,000+50 - 249 employeesSouthampton, EnglandHotovo , an IT staff augmentation company, is headquartered in Košice, Slovakia; Southampton, United Kingdom; Buenos Aires, Argentina and Belgrade, Serbia. Established in 2010, the midsize team focuses on IT staff augmentation, enterprise app modernization, web development, mobile app development, and more.Read More
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The Protecht GroupIndustries
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279$1,000+250 - 999 employeesLondon, EnglandOzrit is a Hyderabad, India-based website development firm. The midsize team provides Web Development, Mobile App Development, Web Design, Social Media Marketing, and more and was established in 2009.Read More
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280$1,000+10 - 49 employeesBristol, EnglandBelieve.digital is a SEO agency. Their small team is based in Bristol, England. The firm provides Search Engine Optimization, Web Development, Pay Per Click, Social Media Marketing, and more.Read More
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281$1,000+10 - 49 employeesLondon, EnglandRead More
Augmetic Technology is a small global technology company based in Ahmedabad, India. Founded in 2013, their team specializes in application management, application support, and e-commerce development.
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Khelmart EnterpriseIndustries
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282$25,000+10 - 49 employeesLondon, EnglandRead More
Aleios is a custom software development firm. They are located in London, United Kingdom and have a small team. Their services include custom software development, enterprise app modernization, web development, and other IT consulting and SI. The firm was founded in 2021.
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283$25,000+50 - 249 employeesRatby, EnglandEvolved Ideas, a custom software development firm, is based in Ratby, England and Kyiv, Ukraine. The midsize team specializes in Custom Software Development, IT staff augmentation, Mobile App Development, Web Development, and more. The company was founded in 2007.Read More
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e-bateIndustries
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284$1,000+10 - 49 employeesLondon, EnglandRead More
Founded in 2018, Neural Soft Solutions is headquartered in London with another location in Lahore, Pakistan. Their team of 12 employees provides mobile app development, web development, and UX/UI design for enterprise, midmarket, and small businesses. They focus on business services, financial services, health care, and medical industries.
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285$50,000+10 - 49 employeesLondon, EnglandMade by ON is a web development firm. The London, England-based company specializes in Web Development and Digital Strategy.Read More
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286$10,000+10 - 49 employeesBournemouth, EnglandCold Banana Limited is a Bournemouth, England-based web development company. The small company was launched in 2015. Their services include Web Development, Mobile App Development, E-Commerce Development, Custom Software Development, and more.Read More
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287$5,000+50 - 249 employeesBirmingham, EnglandRead More
Ficode is a web, mobile, and software development company based in London with offices in Chandigarh and Gurgaon, India. Founded in 2013, the team of 46 specializes in web design, web development, and e-commerce development. They work primarily with small businesses in the arts, entertainment, music, and e-commerce industries.
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PunctusIndustries
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288$5,000+50 - 249 employeesLondon, EnglandHeadquartered in London, England, SCube is a midsize website development company. Established in 2005, the team specializes in Web Development, E-Commerce Development, and Mobile App Development.Read More
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289$5,000+2 - 9 employeesNewcastle upon Tyne, EnglandHeadquartered in Newcastle upon Tyne, England, Shape Technical Consulting Ltd is a custom software development company. The small agency was founded in 2021. Their services include Custom Software Development, Web Development, Mobile App Development, and Low/No Code Development.Read More
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290$1,000+2 - 9 employeesBelfast, Northern IrelandWeb design company Amigo Studios is headquartered in Doagh, United Kingdom. The small team specializes in web design, web development, social media marketing, search engine optimization, and more and was launched in 2013.Read More
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291$100,000+10 - 49 employeesLondon, EnglandRead More
GBMF Tech, a software development firm, was established in 2019. Their small team is headquartered in London, United Kingdom; Citrus Heights, California and Chișinău, Moldova. The firm provides custom software development, web development, mobile app development, and e-commerce development.
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Freight CrewIndustries
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292$1,000+2 - 9 employeesLondon, EnglandRead More
Lab3 Apps is a development agency founded in 2015 with no more than 10 employees. They offer mobile app development, UX/UI design, and web development solutions from their office in Christchurch, New Zealand. They primarily work with small businesses.
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Whitebait MediaIndustries
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293$1,000+10 - 49 employeesLondon, EnglandRead More
Neadoo Digital is an online marketing agency based in London, England, that was established in 2012. Their team of 14 employees offers SEO, web development, PPC, conversion optimization, and content marketing services.
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294$5,000+2 - 9 employeesBuckingham, EnglandRead More
Yellow Moose is a web design, marketing strategy, and SEO agency based in Buckingham, U.K. The company was founded in 2018 and works exclusively with small business clients.
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295$100,000+50 - 249 employeesLondon, EnglandInfinity Technologies is a London, England-based software development company. The company specializes in Custom Software Development, Web Development, Mobile App Development, and IT staff augmentation and is midsize.The company was established in 2003.Read More
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296$5,000+2 - 9 employeesLondon, EnglandWebsite development firm CERKA is located in London, England and Tulum, Mexico. They provide Web Development, Branding, UX/UI Design, Web Design, and more and were launched in 2022.Read More
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297$1,000+10 - 49 employeesNorthampton , EnglandRead More
Asyncorigins is a design agency founded in Northampton, England in 2019 with fewer than 10 experts. They offer UX/UI, web, and product design solutions to small businesses in the industries of real estate, consumer products, and business services.
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Craftaz InternationalIndustries
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298$5,000+2 - 9 employeesRoyal Tunbridge Wells, EnglandRead More
Two Hours Sleep is a web design agency launched in 2018. Their small team is headquartered in Tunbridge Wells, United Kingdom. Their services include web design, web development, ux/ui design, conversion optimization, and more.
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299$1,000+2 - 9 employeesDownpatrick, Northern IrelandTriggerAppy Ltd is a Downpatrick, Northern Ireland-based custom software development company. The small team focuses on Custom Software Development, Web Development, Mobile App Development, and Other Application Development. The firm was launched in 2012.Read More
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300$10,000+2 - 9 employeesCoggeshall, EnglandRead More
Small web development company We Create Digital, is headquartered in Coggeshall, England. They offer Web Development, E-Commerce Development, Web Design, Search Engine Optimization, and more and were established in 2011.
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Schedule ConsultationMost Reviewed JavaScript Developers in United Kingdom
Check out a JavaScript Developers in United Kingdom with the most new reviews in the past 12 months.
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