Top 100 JavaScript Development Companies in the United Kingdom
The Best of October 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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481$5,000+2 - 9 employeesLondon, EnglandMOJO Consulting, a market research company, was launched in 2022. They are headquartered in London, United Kingdom and have a small team. Their services include market research, web design, web development, mobile app development, and more.Read More
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482$1,000+10 - 49 employeesLondon, EnglandPrimo Interactive is a small Digital Strategy company. The London, England-based firm was established in 2006. Their team provides Digital Strategy, Web Design, Custom Software Development, Web Development, and more.Read More
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483$1,000+10 - 49 employeesLondon, EnglandRead More
Hoxton Digital is a programming agency based in London run by a team of 4 professionals. They offer their expertise in custom software, web, and mobile app development services, as well as SEO solutions that focus on content development, link earning, and local search. They are familiar with Ruby, JavaScript, and Redux, among other programs.
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BuildSG -
484$5,000+10 - 49 employeesHarrow, EnglandRead More
Webezy is an e-commerce development firm. Established in 2010, the team offers e-commerce development, web development, web design, ux/ui design, and more. Their small company is headquartered in Harrow, United Kingdom.
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485$10,000+2 - 9 employeesLondon, EnglandMinistry is a small web design agency founded in 1998. Their team offers Web Design and Web Development.Read More
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OxfamIndustries
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486$1,000+2 - 9 employeesPlymouth, EnglandRead More
KGStudio is a Plymouth, United Kingdom-based web design agency. The small team focuses on web design, web development, social media marketing, and search engine optimization and was founded in 2022.
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487$10,000+2 - 9 employeesCrawley, EnglandRead More
Founded in 2018, Cygnet Digital is an e-commerce development company. The agency focuses on e-commerce development, web development, custom software development, mobile app development, and more and has a small team.
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SightsaversIndustries
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488$10,000+10 - 49 employeesCharlbury, EnglandEvensix is a website development firm. They focus on Web Development and Web Design and are based in Charlbury, England.Read More
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Goodwood Sanity Archivist My Milton Keynes -
489$1,000+2 - 9 employeesLondon, EnglandLegend DigiTech is a Content Marketing company in London, England. The small company was established in 2013. Their team provides Content Marketing, Pay Per Click, Search Engine Optimization, Social Media Marketing, and more.Read More
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490$1,000+10 - 49 employeesLondon, EnglandSnooze Tech is a custom software development company. In London, England, their small team offers Custom Software Development, Web Development, IT strategy consulting, E-Commerce Development, and more. The agency was launched in 2024.Read More
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491$25,000+50 - 249 employeesHorbury, EnglandApplication Management & Support company Propel Tech Ltd was launched in 2007. The agency offers Application Management & Support and Custom Software Development.Read More
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Quickline Communications Limited J.C.B - J.C. Bamford Excavators Limited Allsop Property Auction Mi Hub LTDIndustries
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492$10,000+10 - 49 employeesHounslow, EnglandFission Monster, a web development firm, is headquartered in Hounslow, England and Lahore, Pakistan. Established in 2018, the small team specializes in Web Development, Mobile App Development, Custom Software Development, Artificial Intelligence, and more.Read More
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493$10,000+2 - 9 employeesWestbury, EnglandLocated in Westbury, United Kingdom, Honeystone Consulting Ltd is a branding agency. Founded in 2003, the small team specializes in branding, search engine optimization, ux/ui design, and web development.Read More
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494$25,000+50 - 249 employeesOxford, EnglandOxford Computer Consultants Ltd, a custom software development company, was established in 1989. The firm offers Custom Software Development and Mobile App Development, and is midsize.Read More
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495$1,000+2 - 9 employeesBatley, EnglandInnovapixels is a website development firm. They were launched in 2017, and their services include Web Development and E-Commerce Development.Read More
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496$5,000+2 - 9 employeesCheltenham, EnglandRead More
Rigorous Digital, a PPC agency, is headquartered in Cheltenham, United Kingdom. The small firm was established in 2014. Their team provides pay per click, search engine optimization, e-commerce development, conversion optimization, and more.
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497$1,000+2 - 9 employeesBingham, EnglandCircle Software & Design is a custom software development company headquartered in Bingham, United Kingdom. The small team provides custom software development, ux/ui design, graphic design, web development, and more and was established in 2021.Read More
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498Undisclosed10 - 49 employeesEnfield, EnglandFome is a social media marketing agency. They offer social media marketing, search engine optimization, pay per click, web design, and more and were founded in 2013. Their small team is Enfield, United Kingdom-based.Read More
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499$5,000+2 - 9 employeesBury St Edmunds, EnglandORBN Digital, a custom software development company, was founded in 2024. The small team specializes in Custom Software Development, Web Development, Enterprise App Modernization, and Artificial Intelligence. The company is in Bury St Edmunds, England.Read More
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500$5,000+2 - 9 employeesLondon, EnglandRich Technologies Group Ltd is a web development company. Their small team is based in London, England and offers Web Development, Generative AI, E-Commerce Development, AI Consulting, and more. The company was founded in 2023.Read More
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501$5,000+10 - 49 employeesAbbott's Hill, EnglandLayers Studio Ltd, a website development firm, was established in 2016. They provides Web Development and Web Design.Read More
Clients
Allianz Bank Lv.co.uk One Utility Bill OneXpIndustries
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502$10,000+10 - 49 employeesHarpenden, EnglandSoftware development firm This Is Software was founded in 2023. The small Harpenden, England-based team offers Custom Software Development, Web Development, Artificial Intelligence, and Enterprise App Modernization.Read More
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503$5,000+2 - 9 employeesLondon, EnglandRead More
Strike UX is a design company founded in 2018 with fewer than 10 experts. They offer UX/UI design, web design, and web development solutions from their office in London. They mainly work with small and mid-market businesses.
Clients
AnthocyaneIndustries
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504$10,000+10 - 49 employeesKington, EnglandSoftware development firm Starlio.tech is headquartered in Kington, England and Lviv, Ukraine. The small agency was founded in 2022. Their team specializes in Custom Software Development, Web Development, Mobile App Development, UX/UI Design, and more.Read More
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505$5,000+2 - 9 employeesLondon, EnglandWaterwhip Labs is a web development firm. The team offers Web Development and Custom Software Development, and the company is in London, England.Read More
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506$10,000+2 - 9 employeesLeeds, EnglandMotion 12, a custom software development company, was launched in 2018. They are headquartered in Leeds, England and have a small team. Motion 12 focuses on Custom Software Development, UX/UI Design, and Web Development.Read More
Clients
Explora Journeys MSC Group 6Points Cycling Challenges Brass Bee -
507$5,000+2 - 9 employeesRoyal Leamington Spa, EnglandLOCALHOST LIMITED, a custom software development firm, is in Royal Leamington Spa, England. Their services include Custom Software Development and Web Development.Read More
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508$1,000+10 - 49 employeesLondon, EnglandRead More
Website development company CoExLogica, Ltd. Was launched in 2016. The small team specializes in web development, custom software development, mobile app development, e-commerce development, and more. The company is headquartered in London, United Kingdom and Islamabad, Pakistan.
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509$5,000+Freelancer employeesSheffield, EnglandRead More
Web design company LucidFox is in Sheffield, United Kingdom. Founded in 2018, the small team offers web design, web development, and search engine optimization.
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510$5,000+2 - 9 employeesLondon, EnglandCloudexis Technolabs is an app development company in Ahmedabad, India. The small firm was established in 2020. Their team provides mobile app development, custom software development, and web development.Read More
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