Top 100 JavaScript Development Companies in the United Kingdom
The Best of August 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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511$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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512$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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513$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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514Undisclosed10 - 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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515$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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516$5,000+10 - 49 employeesBirmingham, EnglandCake Agency is a web development firm in Birmingham, England. They offer Web Development and UX/UI Design and were founded in 2016.Read More
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P&Co Killstar Luke 1977 CyberjammiesIndustries
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517$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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518$1,000+2 - 9 employeesReading, EnglandNaxtech is a marketing strategy company. The small team is in Reading, United Kingdom. Their services include marketing strategy, digital strategy, web development, and search engine optimization.Read More
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La Veranda Resort - Accor Hotels Hilton Hotels Intel EyeForPharmaIndustries
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519$25,000+10 - 49 employeesBracknell, EnglandLaunched in 2002, Rawnet Ltd is a Digital Strategy company. Their services include Digital Strategy and UX/UI Design.Read More
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520$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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521$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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522$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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523$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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524$1,000+10 - 49 employeesLondon, EnglandCrisp Studio, a branding firm, offer Branding and Logo. They were founded in 2008.Read More
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525Undisclosed2 - 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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526$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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527$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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528$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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529$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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530$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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531$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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532$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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533$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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534$1,000+10 - 49 employeesKettering, EnglandDigital Genei is a market research company. Their small team is in Faisalabad, Pakistan. Their services include market research, marketing strategy, social media marketing, branding, and more. The agency was established in 2022.Read More
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535$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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536$5,000+10 - 49 employeesLondon, EnglandHeadquartered in Wembley, United Kingdom, Lexer Solutions is a small IT staff augmentation company. Founded in 2023, the team specializes in IT staff augmentation, custom software development, web development, mobile app development, and more.Read More
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537$25,000+1,000 - 9,999 employeesChelmsford, Essex, EnglandSilver Touch Technologies, an ERP consulting and SI company, is in Ahmedabad, India; Woodbridge Township, New Jersey; Chelmsford, Essex, England and Markham, Canada. The large team focuses on ERP consulting and SI, Custom Software Development, Web Development, and Robotics Process Automation. The company was launched in 1995.Read More
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538$25,000+2 - 9 employeeslondon, EnglandIT strategy consulting company Apexa Tech is located in london, England and Cairo, Egypt. They specialize in IT strategy consulting and Custom Software Development.Read More
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539$1,000+50 - 249 employeesWoking, EnglandImpressive Sol is a web design agency. Founded in 2013, their team offers Web Design and Graphic Design.Read More
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540$5,000+10 - 49 employeesLondon, EnglandRead More
Founded in 2020, RKWO is a development firm. Their team of around 5 employees is based in London. They focus on custom software development and web development.
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