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.
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List of the Best United Kingdom JavaScript Developers
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691$5,000+50 - 249 employeesLytchett Matravers, EnglandDigital strategy company Digital Otters was founded in 2014. The firm specializes in digital strategy, social media marketing, search engine optimization, pay per click, and more and has a small team. The firm is located in London, Pakistan and Lytchett Matravers, United Kingdom.Read More
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692$1,000+2 - 9 employeesSouthend-on-Sea, EnglandBased in Southend-on-Sea, England, Bug Media is a small web development firm. The team offers Web Development and E-Commerce Development.Read More
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693$1,000+2 - 9 employeesLong Eaton, EnglandSmall SEO company Vimana Digital, is based in Long Eaton, England. The team offers Search Engine Optimization and Web Design.Read More
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694$1,000+50 - 249 employeesLondon, EnglandFounded in 2025, Marketing Max is a social media marketing agency. The company specializes in Social Media Marketing and Search Engine Optimization.Read More
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Airport Parking HouseIndustries
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695$1,000+2 - 9 employeesBerwick upon Tweed, EnglandWeb design agency Strive Digital provides Web Design and Web Development. They were founded in 2016.Read More
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696$5,000+2 - 9 employeesBournemouth, EnglandSmall e-commerce development company JD Ecommerce, is in Bournemouth, England. The team provides E-Commerce Development and Conversion Optimization.Read More
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697$10,000+2 - 9 employeesLeeds, EnglandMadeby.studio is a Digital Strategy company. The team is based in Leeds, England, and their services include Digital Strategy and Web Design.Read More
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698$10,000+2 - 9 employeesBirmingham, EnglandLaunched in 2008, PretaGov, a small software development company and website development firm, is located in Birmingham, England. Their team offers Custom Software Development and Web Development.Read More
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699$250,000+10 - 49 employeesWembley, EnglandFounded in 2012, Aliza Solutions LTD is a custom software development firm. The team focuses on Custom Software Development and API Development.Read More
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700UndisclosedFreelancer employeesDarrington, EnglandWebiProg is a small web development company. They provide Web Development and E-Commerce Development and were founded in 2008.Read More
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701$5,000+10 - 49 employeesManchester, EnglandApps Developer Lab is a Conversion Optimization company launched in 2018. The team specializes in Conversion Optimization and Web Development and is in Manchester, England and Islamabad, Pakistan.Read More
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702$10,000+10 - 49 employeesHorwich, EnglandAbsolute Agency is a branding firm established in 1999. The team specializes in Branding and Web Design and is located in Horwich, England.Read More
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703$1,000+50 - 249 employeesSheffield, EnglandWeb design company SpyreSync is headquartered in Sheffield, United Kingdom. The midsize firm was founded in 2005. Their team provides web design, ux/ui design, custom software development, web development, and more.Read More
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704$1,000+10 - 49 employeesLondon, EnglandKodkodkod is a small Lyon, France-based mobile application development firm. The team focuses on Mobile App Development and E-Commerce Development.Read More
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705$50,000+50 - 249 employeesBirmingham, EnglandCardtrend Systems Sdn Bhd is an Other Application Development company in Kuala Lumpur, Malaysia and Birmingham, England. They specialize in Other Application Development and ERP consulting and SI.Read More
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706$5,000+2 - 9 employeesNorthampton, EnglandDuality Studio is a small social media marketing company established in 2015. Their team provides Social Media Marketing and Content Marketing.Read More
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707Undisclosed2 - 9 employeesManchester, EnglandDigitl, a small e-commerce development firm, is in Manchester, England. The team focuses on E-Commerce Development and Web Development.Read More
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708$5,000+2 - 9 employeesBristol, EnglandEstablished in 2020, Tiny Spark is a small Bristol, England-based web development company. Their services include Web Development and Web Design.Read More
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709$250,000+50 - 249 employeesLondon, EnglandFounded in 2019, ParsBiz is an advertising company. Their midsize team is in Santa Monica, California; Paris, France; München, Germany and Madrid, Spain. Their team provides advertising, branding, social media marketing, content marketing, and more.Read More
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710$5,000+2 - 9 employeesWoodham, EnglandHaradigital.co.uk is a website development company in Woodham, England. They offer Web Development and E-Commerce Development and were founded in 2020.Read More
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711$10,000+10 - 49 employeesManchester, EnglandEstablished in 2010, Bliss is a small website development firm. Their team specializes in Web Development and Digital Strategy.Read More
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712$10,000+10 - 49 employeesReading, EnglandCode23 is a small software development company headquartered in Reading, England. The team specializes in Custom Software Development and E-Commerce Development.Read More
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713$5,000+2 - 9 employeesMossley, EnglandProject Opal is a social media marketing agency located in Mossley, England. The team offers Social Media Marketing and Graphic Design.Read More
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714Undisclosed2 - 9 employeesSaint Mellons, WalesButternut Web, a web design agency, was launched in 2021. The small team specializes in Web Design and Web Development.Read More
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715$5,000+2 - 9 employeesWindsor, EnglandEstablished in 2010, Lion Enterprises Ltd is an e-commerce development company. The firm provides E-Commerce Development and Custom Software Development, and is small.Read More
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716$1,000+2 - 9 employeesMorden, EnglandWebsites Made, a web design agency, is in Morden, England and Peterborough, England. They provide Web Design and Web Development.Read More
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717$10,000+10 - 49 employeesBristol, EnglandRixxo - B2B ecommerce is an e-commerce development company in Bristol, England. They provide E-Commerce Development and Business Consulting and were founded in 2012.Read More
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718$1,000+2 - 9 employeesManchester, EnglandRead More
SEOReq is a digital agency founded in 2019 with no more than 10 employees. They provide digital strategy, conversion optimization, and SEO solutions from their office in Manchester, England. They work with clients in the industries of advertising and healthcare.
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LinguaLegalIndustries
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719$1,000+Freelancer employeesStratford-Upon-Avon, EnglandReflect + Refine, a web development company, was established in 2019. The team specializes in Web Development and Web Design and is located in Stratford-Upon-Avon, England.Read More
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720$1,000+10 - 49 employeesLondon, EnglandMaya Hive is a web development firm established in 2006. The team offers Web Development and Digital Strategy and is headquartered in London, England and Colombo, Sri Lanka.Read More
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Check out a JavaScript Developers in United Kingdom with the most new reviews in the past 12 months.
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