Top 100 IT Services Companies in the United Kingdom
The Best of November 2026
IT services form the foundation of contemporary businesses. Today, a company's operations entirely rely on computer systems and software, which streamline processes for better efficiency. Having a partner that guarantees the seamless operation of these vital systems is crucial, as it directly impacts a brand's success—a robust and dependable backend results in a user-friendly frontend, enhancing traffic, engagement, and conversions.
The only problem modern companies face is finding such a partner. One with technical expertise and a deep understanding and insight into the company’s industry. This is why The Manifest created and curated a list of the top performers in the IT services development industry in the United Kingdom. Make sure to go through each option and read the user-contributed reviews about them. Choose the agency that best suits your company’s needs and requirements.
Jump to Most Reviewed Companies
List of the Best United Kingdom IT Companies
-
961Undisclosed2 - 9 employeesLondon, EnglandEstablished in 2025, Fig Group is a small London, England-based Cybersecurity company. Their team offers Cybersecurity and IT strategy consulting.Read More
Industries
-
962$1,000+2 - 9 employeesLondon, EnglandFounded in 2023, WhizzIT is a small IT managed services company in London, England and Stevenage, England. Their team offers IT managed services and Cybersecurity.Read More
-
963Undisclosed50 - 249 employeesFleet, EnglandIntouch Tech - Telecoms, IT & Cyber Solutions is an IT strategy consulting company established in 2012. Their team offers IT strategy consulting and Cybersecurity.Read More
-
964Undisclosed2 - 9 employeesNewmarket, EnglandBackup Data Ltd TA GSDIT is an other IT consulting and SI company. Launched in 2011, their team specializes in other IT consulting and SI and IT managed services.Read More
-
965$25,000+10 - 49 employeesLondon, EnglandBusiness intelligence company 173tech is based in London, England. Established in 2019, the team specializes in BI & big data consulting & SI and AI Consulting.Read More
Industries
-
966Undisclosed10 - 49 employeesLondon, EnglandHeadquartered in London, England, Zero Trust Solutions is a Cybersecurity company. Their services include Cybersecurity and Microservices Architecture Services.Read More
-
967$1,000+2 - 9 employeesLondon, EnglandLaunched in 2024, Coreitech is an IT managed services company. The team offers IT managed services and Cybersecurity.Read More
-
968Undisclosed2 - 9 employeesNewark-on-Trent, EnglandOtter IT. Is a small Newark-on-Trent, England-based IT managed services company. The team focuses on IT managed services and Cybersecurity.Read More
-
969Undisclosed50 - 249 employeesLeatherhead, EnglandWD Assist is an ERP consulting and SI company based in Leatherhead, England. Established in 2018, the team focuses on ERP consulting and SI and Business Consulting.Read More
-
970Undisclosed250 - 999 employeesLondon, EnglandHeadquartered in London, England, IntelligenceX is a Cybersecurity company. Established in 2025, the team offers Cybersecurity and cloud consulting & SI.Read More
Industries
-
971$5,000+50 - 249 employeesLondon, EnglandCloudiQS, a cloud consulting & SI company, is headquartered in London, England. Their services include cloud consulting & SI and CRM consulting and SI.Read More
-
972$5,000+2 - 9 employeesKirkliston, ScotlandAutomateNow is a small Kirkliston, Scotland-based CRM consulting and SI company. The team provides CRM consulting and SI and ERP consulting and SI.Read More
Industries
-
973$1,000+2 - 9 employeesLondon, EnglandBaycop, a small IT managed services company, is located in London, England and Colombo, Sri Lanka. The team specializes in IT managed services and Cybersecurity.Read More
-
974Undisclosed50 - 249 employeesNottingham, EnglandArc Communications is an IT managed services company in Nottingham, England. The team provides IT managed services.Read More
-
975$1,000+2 - 9 employeesMaidstone, EnglandAVAIO is an unified communications consulting & SI company. They are in Maidstone, England, and their services include unified communications consulting & SI and IT managed services.Read More
-
976Undisclosed50 - 249 employeesLeeds, EnglandRead More
twentysix is a full-service digital communications agency based in Leeds, United Kingdom. Founded in 1996, twentysix's 168 employees provides a host of different services such as web design, e-commerce development, mobile app development, and SEO for mainly midmarket and enterprise businesses.
Clients
twentysix works with a variety of B2C, B2B and public sector clients and has expertise across multiple industry sectors.Industries
-
977Undisclosed10 - 49 employeesLeeds, EnglandSmall Application Testing company RapidSpike, is located in Leeds, England. Their services include Application Testing and Cybersecurity.Read More
Industries
-
978$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
Industries
-
979$1,000+2 - 9 employeesLondon, EnglandPenntech IT Solutions is an IT managed services company. The London, England-based company specializes in IT managed services and IT strategy consulting.Read More
Industries
-
980$5,000+10 - 49 employeesLondon, EnglandOpsmavix, an ERP consulting and SI company, was launched in 2026. The team specializes in ERP consulting and SI and Custom Software Development.Read More
Industries
-
981$1,000+10 - 49 employeesWembley, EnglandMunix Studio is a website development company located in Wembley, England. The small agency was launched in 2025. Their services include Web Development, AI Agents, Custom Software Development, Mobile App Development, and more.Read More
-
982Undisclosed10 - 49 employeesLondon, EnglandCRM consulting and SI company Spika Tech is located in London, England. Their services include CRM consulting and SI and IT strategy consulting.Read More
Industries
-
983$1,000+2 - 9 employeesPaulton, EnglandRead More
Fluent Forward Ltd, a digital strategy company, was launched in 2012. They are located in Paulton, United Kingdom and have a small team. Their services include digital strategy, social media marketing, content marketing, and IT strategy consulting.
Industries
-
984$1,000+2 - 9 employeesSheffield , EnglandCEESourcingLtd, an IT managed services company, was launched in 2018. The firm focuses on IT managed services and Application Testing, and is small.Read More
Industries
-
985$1,000+10 - 49 employeesBristol, EnglandAristral, an AI Agents company, was established in 2026. Located in Bristol, England, the team specializes in AI Agents and AI Consulting.Read More
Industries
-
986Undisclosed2 - 9 employeesLondon, EnglandCybersecurity company Cyber Legion was launched in 2021. Located in London, England, the team offers Cybersecurity and Application Testing.Read More
-
987$10,000+10 - 49 employeesCroydon, EnglandRudrax Technologies Limited is a custom software development company founded in 2025. The small team focuses on Custom Software Development, Artificial Intelligence, Mobile App Development, Web Development, and more. The agency is headquartered in Croydon, England.Read More
Industries
-
988$100,000+50 - 249 employeesLondon, EnglandHI Technology & Innovation, a Microservices Architecture Services company, was established in 2012. Their midsize team is headquartered in London, England. Their services include Microservices Architecture Services, API Development, DevOps Managed Services, UX/UI Design, and more.Read More
Industries
-
989$5,000+2 - 9 employeesAldermaston, EnglandEstablished in 2018, Peslo Studios Ltd is a mobile application development company. Based in Aldermaston, England, the team specializes in Mobile App Development and Web Development.Read More
Clients
ev.energy Zilch PerchPeek TreecardIndustries
-
990$50,000+10 - 49 employeesBrentford, EnglandFindErnest is a web design company. The firm is based in Hyderabad, India and Brentford, England. Their services include Web Design and UX/UI Design.Read More
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule ConsultationMost Reviewed IT Services Company in United Kingdom
Check out an IT Services Company in United Kingdom with the most new reviews in the past 12 months.
Most Reviewed
IT Services Company
United Kingdom
- 11 6 new reviews
- 12 6 new reviews
- 13 6 new reviews
- 14 5 new reviews
- 15 5 new reviews
