Top 100 JavaScript Development Companies in the United Kingdom
The Best of December 2025Looking 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$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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482$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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483$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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484$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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485$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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486$1,000+Freelancer employeesBromley, EnglandSkya Designs Limited is a small web design company. They provide web design, web development, and search engine optimization and were founded in 2020. The agency is based in Bromley, United Kingdom.Read More
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487$50,000+250 - 999 employeesLondon, EnglandSovTech UK is an IT staff augmentation company. They are headquartered in London, England and have midsize team. They offer IT staff augmentation and Custom Software Development.Read More
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488$1,000+2 - 9 employeesPortishead, EnglandFree Range Web is a website development firm. They offer Web Development and Web Design and are located in Portishead, England.Read More
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489$5,000+10 - 49 employeesManchester, EnglandPeachr is a Manchester, England-based website development company. The team provides Web Development and Mobile App Development.Read More
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One Emergency Dentist GymNation SquatWolf Night and Day Emergency DentistIndustries
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490$1,000+10 - 49 employeesSwindon, EnglandZUDARO LTD, a SEO agency, was launched in 2024. Their small team is located in Karachi, Pakistan and Swindon, England. Their services include Search Engine Optimization, Custom Software Development, Web Development, Mobile App Development, and more.Read More
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491$5,000+50 - 249 employeesKington, EnglandSoftware development firm Oceanstart was launched in 2010. The company specializes in Custom Software Development and Web Development, and is midsize.Read More
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CryptovizorIndustries
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492$5,000+2 - 9 employeesYork, EnglandRead More
L2W Digital is a sales and marketing agency composed of a team of fewer than 10 professionals based in York, England. Since their founding in 2013, they have offered social media marketing, PPC, and digital strategy solutions to clients primarily for startup companies. They also have extensive experience working in the fields of financial services, as well as some experience in business services and health care.
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Freedom to InsureIndustries
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493Undisclosed10 - 49 employeesNorwich, EnglandBased in Norwich, England, Selesti is a SEO services firm. The team specializes in Search Engine Optimization and Pay Per Click.Read More
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494$5,000+2 - 9 employeesLytchett Matravers, EnglandNovatura is a small api development company. Based in Lytchett Matravers, United Kingdom, the company was launched in 2023. Their team provides api development, custom software development, web development, mobile app development, and more.Read More
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495$1,000+10 - 49 employeesLondon, EnglandMobiteam UK is a web design company. The small London, England-based team specializes in Web Design and Web Development. The firm was established in 2022.Read More
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496$1,000+10 - 49 employeesSeaton Ross, EnglandAFIVE Digital Agency is a small web development company. They provide Web Development and Search Engine Optimization and were launched in 2005.Read More
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497$5,000+10 - 49 employeesLondon, EnglandMudimedia Ltd is a website development firm. Located in London, England, the company was launched in 2017. Their team provides Web Development and Mobile App Development.Read More
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498$1,000+2 - 9 employeesLondon, EnglandSoftware development firm Roberts Tech Consulting was established in 2024. Their small team is headquartered in London, England. Roberts Tech Consulting specializes in Custom Software Development, AI Consulting, and Web Development.Read More
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499$5,000+2 - 9 employeesBelfast, Northern IrelandElement Seven is a web design company. The Belfast, Northern Ireland-based team focuses on Web Design and Web Development.Read More
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500Undisclosed2 - 9 employeesbirmingham, EnglandEnglion Tech Ltd is a branding firm. They are based in birmingham, England and have a small team. Their services include Branding, Social Media Marketing, Search Engine Optimization, Graphic Design, and more.Read More
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501$5,000+50 - 249 employeesLondon, EnglandRead More
Out of Business -Vasterra is a web development firm. Headquartered in London, England; Los Angeles, California and New York, New York, their midsize team focuses on Web Development, Web Design, CRM consulting and SI, ERP consulting and SI, and more. The company was launched in 2010.
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EtamIndustries
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502$1,000+10 - 49 employeesLondon, EnglandLaunched in 2024, Hasty Head is a small user experience design agency. Their services include UX/UI Design, Web Design, Web Development, Low/No Code Development, and more. The firm is based in London, England.Read More
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503$1,000+2 - 9 employeesLiverpool, EnglandPunterDigital is a website development company. Launched in 2018, the company is in Liverpool, England and London, England. Their services include Web Development and Custom Software Development.Read More
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504$1,000+2 - 9 employeesHersden, EnglandDigitalbeans is an e-commerce development company. Located in Hersden, England, the company was established in 2010. Their services include E-Commerce Development and Web Development.Read More
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505$10,000+10 - 49 employeesBirmingham, EnglandWebsite development firm Dcodax Technologies was launched in 2017. The small team provides Web Development and Mobile App Development.Read More
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506$10,000+10 - 49 employeesHitchin, EnglandEstablished in 2014, Insites Digital is a web design company. The team specializes in Web Design and UX/UI Design and is based in Hitchin, England.Read More
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507$10,000+10 - 49 employeesLondon, EnglandLaunched in 2020, Cloudini is a cloud consulting & SI company. The team provides cloud consulting & SI and IT staff augmentation.Read More
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508$50,000+10 - 49 employeesASCOT, EnglandRawnet Ltd is a Digital Strategy company founded in 2002. Located in ASCOT, England, the team offers Digital Strategy and UX/UI Design.Read More
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509$10,000+10 - 49 employeesNottingham , EnglandNuom, an user experience design company, was founded in 2009. In Nottingham , England, the team specializes in UX/UI Design and Web Development.Read More
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Talk It OutIndustries
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510$10,000+50 - 249 employeesNorwich, EnglandJNext Technologies, a web development company, is located in Surat, India; Bhavnagar, India and Norwich, United Kingdom. They specialize in web development, mobile app development, e-commerce development, application management & support, and more and were established in 2013.Read More
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DigiGroundIndustries
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