Top 100 Managed Service Providers in London
The Best of December 2025Looking for a top managed service provider in London?
If you’re looking for services that can spare you from complex, time-consuming, and sometimes counterproductive tasks? Perhaps managed service providers can help you and your business. You can rest easy by relying on managed service providers to handle any tedious tasks.
Managed service providers are outsourced third-party companies that provide different support efforts including network, application, security, and payroll works. Businesses and organizations hire managed service providers because of their flexibility and ability to relieve repetitive tasks. Great managed service providers create custom solutions to cater to the different needs of every business. Such services are worthwhile investments especially for startups and midsize businesses that want to have their in-house teams focus on their operations.
To assist you in your search for a partner, we’ve compiled this list of the top IT managed services in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best London Managed Services
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$1,000+50 - 249 employeesNaperville, ILRead More
BetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.
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31$50,000+10,000+ employeesLondon, EnglandVirtusa is an IT strategy consulting company launched in 1993. They are in Southborough, Massachusetts; New York, New York; London, England and Hyderabad, India and have a large team. Their services include IT strategy consulting, IT managed services, Artificial Intelligence, AI Consulting, and more.Read More
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PegasystemsIndustries
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32$5,000+250 - 999 employeesLondon, EnglandTechnology Services Group, an IT managed services company, was established in 2003. They are based in Gateshead, England; London, England and Glasgow, Scotland and have a midsize team. Technology Services Group specializes in IT managed services, IT strategy consulting, and cloud consulting & SI.Read More
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33$10,000+10 - 49 employeesLondon, EnglandRead More
C-BIA Consulting Ltd is a big data company headquartered in London, United Kingdom. Founded in 2006, the small team specializes in BI & big data consulting & SI, IT managed services, custom software development, application management & support, and more.
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34$1,000+10 - 49 employeesLondon, EnglandTWC IT Solutions is an IT managed services company in London, England; Jersey City, New Jersey and Central, Hong Kong. The small team offers IT managed services, IT strategy consulting, cloud consulting & SI, unified communications consulting & SI, and more and was launched in 2011.Read More
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35Undisclosed2 - 9 employeesLondon, EnglandCorporate training company CEYX was founded in 2019. Their small team is located in Leeds, United Kingdom and London, United Kingdom and focuses on corporate training, cloud consulting & SI, and IT strategy consulting.Read More
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Deliveroo (RooFoods LTD)Industries
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36$5,000+50 - 249 employeesLondon, EnglandN.Progression is a midsize ERP consulting and SI company. The London, United Kingdom-based company was established in 2021. Their team focuses on ERP consulting and SI, CRM consulting and SI, IT managed services, IT staff augmentation, and more.Read More
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37$5,000+2 - 9 employeesHarrow, EnglandRead More
Testdel UK Ltd. Is a small application testing company. Launched in 2015, the team provides application testing, IT managed services, IT strategy consulting, and other IT consulting and SI. The firm is located in Harrow, United Kingdom and Chandigarh, India.
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38$75,000+250 - 999 employeesIstanbul, TürkiyeTestinium is an Application Testing company. Their midsize team is in Istanbul, Türkiye; Den Haag, Netherlands; San Francisco, California and London, England and specializes in Application Testing, IT managed services, Application Management & Support, IT strategy consulting, and more. The firm was launched in 2009.Read More
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INGIndustries
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39Undisclosed1,000 - 9,999 employeesLondon, EnglandRead More
Headquartered in New York, New York; Paris, France; Toronto, Canada and London, United Kingdom, Customertimes Corp is a CRM consulting and SI company. They focus on CRM consulting and SI, custom software development, other application development, IT managed services, and more and were founded in 2007.
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40$1,000+10 - 49 employeesLondon, EnglandRead More
Helpdesk Heroes is an IT managed services company. The small London, United Kingdom-based agency was launched in 2016. Their team focuses on IT managed services, cybersecurity, other IT consulting and SI, and IT staff augmentation.
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41$1,000+10 - 49 employeesLondon, EnglandRead More
Teceze Ltd is a London-based IT company founded in 2012 with more than 10 employees. They are experts in IT strategy consulting, cybersecurity, and IT managed services for clients that work in the industries of business services, consumer products, and more.
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Outsell, Inc.Industries
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42$5,000+10 - 49 employeesHarrow, EnglandFounded in 2018, Renav Technologies is an e-commerce development company. Their team offers E-Commerce Development and IT managed services.Read More
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43Undisclosed250 - 999 employeesLondon, EnglandLittlefish Managed IT Services is an IT managed services company. Their midsize team is located in Nottingham, United Kingdom; Sheffield, United Kingdom and London, United Kingdom. The firm specializes in IT managed services, cybersecurity, cloud consulting & SI, and IT strategy consulting. The firm was established in 2003.Read More
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44Undisclosed10 - 49 employeesLondon, EnglandRead More
Go Live Test is a small IT managed services and application testing company headquartered in London, United Kingdom. They focus on IT managed services and application testing and were founded in 2015.
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45$10,000+10 - 49 employeesStaines-upon-Thames, EnglandIntelance – Enterprise Architecture & Cybersecurity Consultancy is an IT strategy consulting company launched in 2017. The agency provides IT strategy consulting, Cybersecurity, IT managed services, Custom Software Development, and more and has a small team. The agency is located in Staines-upon-Thames, England.Read More
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46$1,000+10 - 49 employeesGreenford, EnglandIT managed services company Toshost Ltd was launched in 2012. The agency specializes in IT managed services.Read More
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47$5,000+250 - 999 employeesPraha 5, Czech RepublicSoitron is a Bratislava 25, Slovakia-based IT managed services company. The team provides IT managed services and IT staff augmentation.Read More
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HPEIndustries
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48$25,000+10 - 49 employeesLondon, EnglandRead More
AK Full Auto is a software company based in London with more than 10 employees. They have offered web development, mobile app development, and web design solutions since their founding in 2018. They mainly work with small and mid-market firms.
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AppeaserIndustries
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49Undisclosed2 - 9 employeesLondon, EnglandEstablished in 2024, Amelio Cloud is a CRM consulting and SI company. The agency specializes in CRM consulting and SI, cloud consulting & SI, and IT managed services and has a small team.Read More
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50$1,000+10 - 49 employeesPurfleet, EnglandIT managed services company Euro Systems offers IT managed services and cloud consulting & SI. They were founded in 2009.Read More
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51$5,000+50 - 249 employeesWeybridge, EnglandRead More
BlueBridge One is a small IT managed services company. Founded in 2003, the team focuses on IT managed services, IT strategy consulting, and cloud consulting & SI. The firm is headquartered in Weybridge, United Kingdom; Johannesburg , South Africa and Cape Town Area, South Africa.
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52$50,000+50 - 249 employeesLondon, EnglandCore Technology Systems Ltd is an IT managed services company. They provide IT managed services and IT strategy consulting and were established in 1990. The firm is headquartered in London, England.Read More
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53Undisclosed1,000 - 9,999 employeesSurrey , EnglandNavisite is a cloud consulting & SI company headquartered in Andover, Massachusetts and Surrey , England. The team offers cloud consulting & SI and IT managed services.Read More
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54Undisclosed1,000 - 9,999 employeesKuala Lumpur, MalaysiaEstablished in 2014, Cloud4C is an IT managed services company. The agency offers IT managed services and cloud consulting & SI, and is large.Read More
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55Undisclosed250 - 999 employeesLondon, EnglandProfessional Advantage is a midsize ERP consulting and SI company in North Sydney, Australia and Melbourne, Australia. Their services include ERP consulting and SI and cloud consulting & SI.Read More
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56Undisclosed250 - 999 employeesKent, EnglandAir IT is an IT strategy consulting company established in 2005. Based in Sandiacre, England and Birmingham, England, the team specializes in IT strategy consulting and cloud consulting & SI.Read More
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57Undisclosed250 - 999 employeesLondon, EnglandMasergy is an IT managed services company established in 2000. Headquartered in Plano, Texas and London, England, the team specializes in IT managed services and Custom Software Development.Read More
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Profit Enhancement Systems -
58$5,000+50 - 249 employeesLondon, EnglandNetstar is an IT managed services company. The London, England-based firm was launched in 2002. Their team specializes in IT managed services and other IT consulting and SI.Read More
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59$5,000+50 - 249 employeesLondon, EnglandLaunched in 2000, hSo is a midsize IT managed services company based in London, England. Their team offers IT managed services and IT strategy consulting.Read More
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60$1,000+50 - 249 employeesLondon, EnglandOnApp, a cloud consulting & SI and IT managed services company, was launched in 2010. The midsize team focuses on cloud consulting & SI and IT managed services.Read More
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