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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421$10,000+10 - 49 employeesBirmingham, EnglandSEO services firm Fast Fwd Multimedia Ltd. Was launched in 2011. The firm provides search engine optimization, web design, advertising, ux/ui design, and more and has a small team.Read More
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422Undisclosed10 - 49 employeesKingston Upon Thames, England7dots, an user experience design company, was launched in 2009. The small Kingston Upon Thames, United Kingdom-based team focuses on ux/ui design, e-commerce development, search engine optimization, web design, and more.Read More
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423$1,000+10 - 49 employeesLondon , EnglandRead More
Incisive Edge [solutions] Limited is a web design company. They are in London , United Kingdom and have a small team that focuses on web design, search engine optimization, content marketing, conversion optimization, and more. The agency was founded in 2009.
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424$25,000+10 - 49 employeesPeterborough, EnglandRead More
Artificially is a website development company launched in 2020. The firm focuses on Web Development, UX/UI Design, CRM consulting and SI, ERP consulting and SI, and more and has a small team.
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Smart DrivingIndustries
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425$10,000+2 - 9 employeesLondon, EnglandRead More
Under2 is a web agency based in London with more than two employees. They have provided web design, web development, and conversion optimization solutions since their founding in 2018. They work primarily with clients in the field of financial services.
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MambuIndustries
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426$5,000+Freelancer employeesBirmingham, EnglandRead More
THE WEB ENGINEER is a web designer based in Birmingham, U.K. Founded in 2009, the single employee offers web development, e-commerce development, and mobile app development services to small business clients.
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iSecured LtdIndustries
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427$5,000+50 - 249 employeesManchester, EnglandHashbyt - AI-First Leading Frontend & UI/UX SaaS Partner is an user experience design company. Located in Manchester, England, their midsize team provides UX/UI Design, Web Development, Custom Software Development, Enterprise App Modernization, and more. The company was launched in 2017.Read More
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428$10,000+10 - 49 employeesLondon, EnglandRead More
Launched in 2016, Furious Fox Limited is an app development company. Their small team is located in London, United Kingdom. Their team provides mobile app development, e-commerce development, Artificial Intelligence, custom software development, and more.
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429$1,000+50 - 249 employeesLondon,, EnglandESOLS is an other digital marketing company. The midsize Mirpur, Pakistan-based company was established in 2010. Their services include other digital marketing, pay per click, social media marketing, content marketing, and more.Read More
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430$10,000+2 - 9 employeesOundle, EnglandHoney & Jam, a website development firm, was founded in 2023. The firm offers web development, web design, and search engine optimization and has a small team. The firm is headquartered in Oundle, United Kingdom.Read More
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Sharetribe ThirdfortIndustries
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431$10,000+10 - 49 employeesMenston, EnglandRead More
Uptic IO LLC is an Oak Park, Illinois-based DevOps Managed Services company. They focus on DevOps Managed Services, Enterprise App Modernization, cloud consulting & SI, Custom Software Development, and more and were launched in 2017.
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432$1,000+2 - 9 employeesBarry, WalesLaunched in 2012, Cardiff Web Development Ltd is a web design agency. They are based in Barry, Wales and have a small team. The company provides Web Design, Web Development, and Search Engine Optimization.Read More
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433$5,000+2 - 9 employeesStansted, EnglandRead More
Digital design company Brown Owl Creative is based in Stansted, United Kingdom. With fewer than 10 employees, the company specializes in web design, branding, and web development for primarily mid-market clients since their founding in 2012.
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TrustleafIndustries
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434Undisclosed2 - 9 employeesLondon, EnglandSystron Micronix is a social media marketing agency founded in 1997. They are based in Kissimmee, Florida; Nagpur, India and London, England and have a small team. The firm offers Social Media Marketing, Search Engine Optimization, IT managed services, Web Development, and more.Read More
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435$25,000+10 - 49 employeesLondon, EnglandGIS-point, a software development firm, was launched in 2017. The small team specializes in Custom Software Development, Web Development, Mobile App Development, API Development, and more. The agency is headquartered in London, England; Tallinn, Estonia and L'viv, Ukraine.Read More
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436$1,000+10 - 49 employeesManchester, EnglandDev Bench is a small web design agency launched in 2018. Their services include web design, custom software development, social media marketing, search engine optimization, and more. The agency is in Manchester, United Kingdom.Read More
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437$1,000+Freelancer employeesStoke-on-Trent, EnglandRead More
Web design agency Lee Lawton Design is located in Stoke-on-Trent, United Kingdom. The small firm was founded in 2016. Their services include web design, branding, ux/ui design, web development, and more.
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438$1,000+Freelancer employeesHINCKLEY, EnglandRead More
CreativeScript is a web design company based in Nuneaton, England. Established in 2011, this solitary freelancer provides services in web development, web design, and graphic design.
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Paula Hall -
439$5,000+10 - 49 employeesLondon, EnglandAlphaStack is a software development company. They were established in 2025 and provide Custom Software Development and Web Development.Read More
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440$1,000+Freelancer employeesCanterbury, EnglandRead More
Alex Cachia is a small website development company. They specialize in web development and were launched in 2018.
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441$10,000+10 - 49 employeesBurnley, EnglandEstablished in 2021, TopFlight Digital is a custom software development company. In Burnley, England and London, England, their small team offers Custom Software Development, API Development, Microservices Architecture Services, Web Development, and more.Read More
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442$1,000+10 - 49 employeesGlasgow , ScotlandAxisway is an UX design company in Kyiv, Ukraine. The small company was established in 2016. Their team provides ux/ui design, mobile app development, web development, digital strategy, and more.Read More
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Magic Appliance Repair, USIndustries
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443$10,000+10 - 49 employeesLeeds, EnglandRead More
Founded in 2010, NewRedo Ltd. is a software development company headquartered in Leeds, England. Their team of under 10 serves businesses of all sizes in industries such as healthcare, financial services, and government. Services include custom software development, IT managed services, and mobile app development.
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RaceBestIndustries
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444$10,000+50 - 249 employeesLondon, EnglandUser experience company Toimi is located in London, England. The midsize agency was established in 2017. Their team specializes in UX/UI Design, Product Design, IT staff augmentation, Web Development, and more.Read More
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445$10,000+2 - 9 employeesLondon, EnglandAtEnbi is a software development firm. Their small team is headquartered in Warszawa, Poland and London, England. The firm provides Custom Software Development, Web Development, UX/UI Design, Mobile App Development, and more.Read More
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446$1,000+10 - 49 employeesLechlade-on-Thames, EnglandVeksa Ltd is a small web development firm launched in 2021. Their services include web development, mobile app development, search engine optimization, custom software development, and more. The agency is in Lechlade-on-Thames, United Kingdom.Read More
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447$10,000+10 - 49 employeesBirmingham, EnglandEstablished in 2014, KIJO is a web design agency. The company focuses on Web Design, Digital Strategy, UX/UI Design, Web Development, and more and has a small team. The company is headquartered in Birmingham, England and London, England.Read More
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448$25,000+250 - 999 employeesLondon, EnglandLaunched in 2003, Reprise Digital is a website development company. Their services include Web Development and UX/UI Design.Read More
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449$25,000+10 - 49 employeesCrowborough, EnglandCustom software development company Elysium Ltd is headquartered in Crowborough, England. The company focuses on Custom Software Development, DevOps Managed Services, Enterprise App Modernization, Application Management & Support, and more and is small.The company was founded in 1991.Read More
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450$5,000+2 - 9 employeesCardiff, WalesRead More
CarbonCode Solutions Ltd, a custom software development company, was established in 2020. Based in Caerphilly, United Kingdom, their small team provides custom software development, web development, mobile app development, and other application development.
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