Top 100 JavaScript Development Companies in the United Kingdom
The Best of April 2024
Looking 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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1
- $50,000+
- 250 - 999 employees
- Farnborough, United Kingdom
One Beyond is a bespoke software development and digital transformation company headquartered in London with additional engineering centers in Madrid (Spain), Budapest & Szeged (Hungary) and Bucharest (Romania). Across international locations, they have a team of more than 350 individuals providing custom software, web and mobile application development and large- scale digital transformation to a diverse clientele.They support large established businesses, nonprofits, government organizations, and VC-funded startups
Clients
- Smith & Nephew
Industries
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2
- $50,000+
- 50 - 249 employees
- Matlock, United Kingdom
Human Made is an enterprise WordPress agency. Founded in 2010, they employ 65 people, and serve the enterprise market with clients in the publishing, financial, education and technology sectors. Services include bespoke web development, enterprise WordPress platform projects, artificial intelligence, and web hosting.
Clients
- ABC
Industries
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3
- $25,000+
- 50 - 249 employees
- London, United Kingdom
Tech Alchemy is a software development studio based in London. Founded in 2016, they have around 150 employees who provide startups and small to medium-sized businesses with custom software development, blockchain development, and web & mobile app design and development. Services include prototyping, discovery, MVP development, and Web3 digital transformation
Clients
- Ocean Bottle
Industries
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4
- $50,000+
- 50 - 249 employees
- Bristol, United Kingdom
Torchbox is a web design agency launched in 2000. The firm focuses on web design, web development, ux/ui design, pay per click, and more and has a midsize team.
Industries
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5
- $10,000+
- 10 - 49 employees
- Whalley, United Kingdom
Unicorn Road is a software development company. Launched in 2020, the team offers custom software development, ux/ui design, AR/VR development, mobile app development, and more. Their small agency is Chicago, Illinois-based.
Industries
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6
- $5,000+
- 10 - 49 employees
- Lymm , United Kingdom
Visions Design Lymm is a design studio based in Lymm, UK. Their team of over 10 was founded in 2010 and serves small and midmarket businesses. Services include web and graphic design as well as branding.
Clients
- Alpha Grd
Industries
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7
- $10,000+
- 10 - 49 employees
- London, United Kingdom
Founded in 2007, Softblues is a software development company headquartered in Lviv, Ukraine. Their team of approximately 22 employees serves small to mid-sized businesses, particularly in the e-commerce and education sectors. They specialize in custom software as well as web and e-commerce development.
Clients
Industries
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8
- $10,000+
- 10 - 49 employees
- Edinburgh, United Kingdom
GearedApp is a software development firm based in Edinburgh, Scotland. They were founded in 2013 and have a team of 11 employees who specialize in mobile development, web development, and UX/UI design. They work mostly with small business clients in the healthcare, business services, and education industries.
Clients
- NHS
- Edinburgh University
- AWDis
- Raven Controls
Industries
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9
- $25,000+
- 10 - 49 employees
- london, United Kingdom
Thought&Function is a digital agency founded in London in 2017 with no more than 10 members. They are experts in web development, mobile app development, and UX/UI design solutions for clients in the industries of financial services, education, and health care.
Clients
- DoctorLink
- AllPlants
- ProperCorn
- Kano
Industries
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10
- $100,000+
- 50 - 249 employees
- London, United Kingdom
Yojji is a software development firm based in London with an office in Kharkiv, Ukraine. The firm, founded in 2017, has more than 35 employees and provides custom software development, web development, mobile app development, web design, product design, and application testing services. Yojji serves small and larger-sized companies in various industries that include financial services, business services, and health care & medical.
Clients
- Valapay LTD
Industries
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11
- $25,000+
- 10 - 49 employees
- Farnham, United Kingdom
Valiant Design is a strategic creative agency located in Farnham, England. They have about 13 teammates. Since 2010, they have provided branding, web design, and packaging design services to primarily midmarket agencies in the health care and medical, business services, and manufacturing industries.
Clients
- Contec Inc
- Fine Group
- Sinequa
- WFS Global
Industries
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12
- $1,000+
- 10 - 49 employees
- London, United Kingdom
Agile Digital Agency is a marketing technology agency based in London. The agency has a team of less than ten that provides email marketing, SEO, and other digital marketing services to small and midmarket companies and institutions.
Clients
- Singleton Law Firm (USA)
- EFQM (Global)
- HRC International (Netherlands)
- Userlane (Germany)
Industries
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13
- $50,000+
- 50 - 249 employees
- London, United Kingdom
ClerksWell is a custom software development firm. They are headquartered in London, United Kingdom and have a midsize team that focuses on custom software development, web development, IT strategy consulting, web design, and more. The firm was founded in 1996.
Industries
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14
- $100,000+
- 10 - 49 employees
- Sarratt, United Kingdom
Clock Limited is a digital design and build company. Founded in 1997, the company is headquartered in Kings Langley, United Kingdom. They have a team of around 35 employees who focus on custom software, web, and mobile app development.
Clients
- International Tennis Federation
Industries
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15
- $10,000+
- 10 - 49 employees
- London, United Kingdom
Hiyield is a small website development firm located in St. Austell, United Kingdom. Launched in 2018, the team focuses on web development, custom software development, ux/ui design, application management & support, and more.
Industries
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16
- $25,000+
- 50 - 249 employees
- London, United Kingdom
Located in Ahmedabad, India with additional offices in the US and UK, Innovify has been delivering high quality solutions since 2011. Although the team of nearly 130 specializes in mobile app development, they also engage in growth hacking, consulting, and UX design.
Clients
- ARM INC
- Vonage
- British Council
- BBC
Industries
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17
- $25,000+
- 10 - 49 employees
- Basingstoke, United Kingdom
Headquartered in Basingstoke, United Kingdom and Lincoln, United Kingdom, Profound is a digital strategy and user experience design agency. The small company was established in 2005. Their services include digital strategy and ux/ui design.Read MoreIndustries
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18
- $10,000+
- 10 - 49 employees
- London , United Kingdom
Web development firm Wise Vision was founded in 2018. The agency provides web development, e-commerce development, accounting, enterprise app modernization, and more and has a small team. The agency is in L'viv, Ukraine.
Clients
- Beep Auto
Industries
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19
- $10,000+
- 10 - 49 employees
- London, United Kingdom
Old.St Labs is a software development business based in London. The business, founded in 2020, has a team of more than ten that provides custom software development, mobile app development, UX/UI design, web design & development, and AI services. Old.St Labs serves small and mid-market companies in the advertising & marketing, education, financial services, health care & medical, and legal industries.
Clients
- Kopona
Industries
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20
- $25,000+
- 10 - 49 employees
- London, United Kingdom
Filter Digital, a website development company, was launched in 2016. Their small team is headquartered in London, United Kingdom. The agency focuses on web development, mobile app development, custom software development, and digital strategy.
Clients
- Ennismore
- The Inside Out Community
- Homeprotect
- Tomorrow's Guides
Industries
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21
- $25,000+
- 10 - 49 employees
- London, United Kingdom
Together is a full-service agency that builds brands, websites and digital products for good tech companies around the world.
Clients
- Unit
- Stytch
- Amazon
- Mosaic
Industries
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22
- $100,000+
- 50 - 249 employees
- Edinburgh, United Kingdom
xDesign is a design and development company in Edinburgh, U.K. Founded in 2010, their team of 50+ provides web development and mobile app development services to small business, midmarket, and enterprise clients across various industries.
Clients
- PayPal
- Heineken
- World Health Organization
- William Grant & Sons
Industries
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23
- $10,000+
- 2 - 9 employees
- London, United Kingdom
Webpop Design is a web design agency based In London. Founded in 2008, their small team is known for their UX/UI design, branding and SEO efforts as well. They work primarily with small businesses in multiple industries.
Clients
- Datameer
Industries
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24
- $25,000+
- 250 - 999 employees
- London , United Kingdom
RNDpoint (former PST Labs) is a London-based development firm. The team of over 50 provides mobile app, custom software and web development services. Founded in 2014, they primarily serve enterprise businesses in the financial services industry.
Clients
- First Abu Dhabi Bank
Industries
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25
- $10,000+
- 2 - 9 employees
- London, United Kingdom
56 Degrees is a web development agency with a team of under 10 employees. Based in London and founded in 2010, they provide web development, web design, and e-commerce development services.
Clients
- GiffGaff Studio
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26
- $50,000+
- 10 - 49 employees
- London, United Kingdom
NEVERBLAND is a web development firm. They provide web development, web design, ux/ui design, custom software development, and more and were launched in 2010. Their small team is London, United Kingdom-based.
Clients
- Togetherall
- Lick
- MyTrees
- Bulb
Industries
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27
- $10,000+
- 50 - 249 employees
- London, United Kingdom
Founded in 2010, PioGroup Software is a development company based in Kharkiv, Ukraine. They have a small team of fewer than 50 people, and they primarily work with small businesses.
Clients
- Moving Pipe
Industries
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28
- $5,000+
- 10 - 49 employees
- London, United Kingdom
RCCO - Creative Sales & Marketing, an user experience design agency, is located in London, United Kingdom. Launched in 2018, the small team specializes in ux/ui design, branding, digital strategy, and web design.
Industries
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29
- $25,000+
- 50 - 249 employees
- Croydon, United Kingdom
Founded in 2005 and headquartered in Croydon, UK, GoodCore Software specializes in bespoke software development. WIth a team of about 50 employees, the company offers web and mobile app development to startups and established businesses alike. Engagement options include fixed- cost and dedicated development teams.
Clients
- Printed Music Licensing
- Weight Loss Resources
- GC Business Finance
- XTracked Deliveries
Industries
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30
- $50,000+
- 50 - 249 employees
- Hertford, United Kingdom
Zoocha is a web development firm founded in 2009 and headquartered in Hertford, in the U.K. The firm has other locations in Valencia, Spain; Balneário Camboriú, Brazil; and New York, N.Y. Zoocha has about 30 employees.
Clients
- Westminster City Council
Industries
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