Top 100 Systems Integrator Companies in the United Kingdom
The Best of February 2026List of the Best United Kingdom System Integrators
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241$5,000+250 - 999 employeesGateshead, 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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242$50,000+10 - 49 employeesLondon, EnglandFounded in 2023, Opstergo is a cloud consulting & SI company. The small Zagreb, Croatia-based team specializes in cloud consulting & SI, devops managed services, and cybersecurity.Read More
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243$10,000+10 - 49 employeesLondon, EnglandProlaxies is a London, England-based mobile application development company. The small team provides Mobile App Development, Artificial Intelligence, UX/UI Design, BI & big data consulting & SI, and more and was launched in 2023.Read More
Clients
Precision Evolution GlobalIndustries
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244$10,000+250 - 999 employeesLondon, EnglandExponential-e, a Cybersecurity company, specializes in Cybersecurity and cloud consulting & SI. The firm is based in London, England.Read More
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245Undisclosed2 - 9 employeesSheffield, EnglandHyperscale Consulting is a Cybersecurity company. Established in 2025, the team offers Cybersecurity, cloud consulting & SI, and DevOps Managed Services. Their small agency is Sheffield, England-based.Read More
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246$5,000+Freelancer employeesManchester, EnglandRead More
Ortom is a freelance AI consultancy based in Manchester, England. Since 2019, they have offered big data consulting and AI solutions to small and medium-sized agencies alike.
Clients
WeFix -
247$5,000+10 - 49 employeesNewcastle upon Tyne, EnglandRead More
Leaf, a social media marketing agency, is located in Newcastle upon Tyne, United Kingdom. The small team provides social media marketing, marketing strategy, and pay per click. The company was founded in 2018.
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248$1,000+10 - 49 employeesLondon, EnglandRead More
SonicFast is a hosting solutions provider founded in 2015 in London and with about 5 employees on board. Their main services include cybersecurity, cloud consulting and systems integration, IT managed services, and business intelligence. They mostly cater to small businesses in telecommunications, IT, and gaming industries.
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249$50,000+250 - 999 employeesLondon, EnglandData Annotation Services company DataEntryIndia.in was established in 1999. The firm provides Data Annotation Services, Market Research, BI & big data consulting & SI, Back Office Outsourcing, and more and has a midsize team.Read More
Industries
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250$1,000+10 - 49 employeesAldridge, EnglandRead More
Commerce9 FZCO is an e-commerce development firm. They are in دبي, United Arab Emirates and Kochi, India and have a small team. Their services include e-commerce development, cloud consulting & SI, and mobile app development. The company was established in 2019.
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251$10,000+50 - 249 employeesLondon, EnglandTejas Software, Inc. Is a midsize Greenwood Village, Colorado-based cloud consulting & SI and CRM consulting and SI company. The team provides cloud consulting & SI and CRM consulting and SI.Read More
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252Undisclosed1,000 - 9,999 employeesHyderabad, IndiaRead More
ValueLabs is a global business technology services and solutions provider based in Hyderabad, India with over 25 offices worldwide in the US, Europe, and Asia. Founded in 1997, ValueLabs' team of over 5,000 employees provides non-voice BPO/back office services and voice/call center capabilities.
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253Undisclosed250 - 999 employeesLondon, EnglandServiceRocket is an IT managed services company founded in 2001. The midsize team provides IT managed services and IT strategy consulting.Read More
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254$1,000+2 - 9 employeesWembley, EnglandVUPAX Solutions Limited, an user experience design company, was founded in 2025. Their small team is based in Wembley, England. Their services include UX/UI Design, cloud consulting & SI, Cybersecurity, Custom Software Development, and more.Read More
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255$25,000+50 - 249 employeesRedruth, EnglandHeadforwards, a midsize IT strategy consulting company, is located in Redruth, England. Their services include IT strategy consulting and BI & big data consulting & SI.Read More
Clients
John Lewis Partnership Cornwall Council Softcat BluecrestIndustries
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256$10,000+10 - 49 employeesLondon, EnglandRead More
Zapro Digital was founded in 2015 and is located in London. Their team of nearly ten employees provides SEO, web design, and ERP consulting and SI services.
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257$10,000+2 - 9 employeesOxford, EnglandRead More
Unit Circle is a web and mobile agency based in Oxford, England with more than two experts. Founded in 2017, they offer IT managed services, IT consulting, and web development solutions to small and mid-market firms.
Clients
CUE Audio -
258$25,000+250 - 999 employeesLondon, EnglandPythian is a business intelligence company in Ottawa, Canada and San Francisco, California. They specialize in BI & big data consulting & SI and cloud consulting & SI and were launched in 1997.Read More
Clients
Fox SportsIndustries
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259UndisclosedFreelancer employeesLondon, EnglandRead More
Saines Business Consulting is the solo enterprise of David Saines, an independent consultant based in London. Saines provides business consulting and productivity, collaboration & UC consulting and SI services to enterprise and smaller-sized companies in the financial services, transportation, utilities, and other industries.
Clients
Virgin Atlantic AirwaysIndustries
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260$5,000+10 - 49 employeesEdinburgh, ScotlandAI firm AISTREAMING is based in Forres, United Kingdom. The small team focuses on Artificial Intelligence, IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, and more. The agency was established in 2022.Read More
Industries
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261$5,000+2 - 9 employeesTwickenham, EnglandAllfutures is a Performance Marketing company based in Twickenham, England. The small team provides Performance Marketing, CRM consulting and SI, and Marketing Strategy and was launched in 2025.Read More
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262$10,000+250 - 999 employeesEdinburgh, ScotlandException is a midsize AI Consulting company. The Edinburgh, Scotland-based agency was founded in 2002. Their team focuses on AI Consulting, Artificial Intelligence, cloud consulting & SI, and Generative AI.Read More
Industries
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263$1,000+10 - 49 employeesManchester, EnglandRead More
Apex Computing Services Ltd is an IT managed services company. Their small team is headquartered in Manchester, United Kingdom and Salford, United Kingdom. The company offers IT managed services, IT strategy consulting, cloud consulting & SI, and cybersecurity. The company was launched in 2003.
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264$1,000+2 - 9 employeesLondon, EnglandRead More
In Brighton and Hove, United Kingdom, Tickbox Data Systems is a big data analytics company. Founded in 1998, the small team specializes in BI & big data consulting & SI.
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265Undisclosed250 - 999 employeesLondon, EnglandRoyal Cyber is an UX design agency. Launched in 2002, their team specializes in UX/UI Design and cloud consulting & SI.Read More
Industries
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266$50,000+50 - 249 employeesManchester, EnglandRead More
Based in Navi Mumbai, India and Orpington, United Kingdom, Arrk Group is a cloud consulting & SI company. The midsize agency was founded in 1998. Their services include cloud consulting & SI, IT managed services, custom software development, mobile app development, and more.
Industries
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267$25,000+50 - 249 employeesHorbury, EnglandApplication Management & Support company Propel Tech Ltd was launched in 2007. The agency offers Application Management & Support and Custom Software Development.Read More
Clients
Quickline Communications Limited J.C.B - J.C. Bamford Excavators Limited Allsop Property Auction Mi Hub LTDIndustries
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268$1,000+2 - 9 employeesLondon, EnglandRead More
Cloudavity Consulting LTD is a consultancy founded in 2018. Their team of fewer than 10 provides cloud consulting and web development solutions from their office in London. They work with clients in industries such as business services, financial services, and IT solutions.
Clients
KenoIndustries
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269Undisclosed10 - 49 employeesReading, EnglandUser experience design agency souqbox was founded in 2017. They are headquartered in Reading, United Kingdom and have a small team. Their services include ux/ui design, architectural design, product design, IT strategy consulting, and more.Read More
Industries
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270Undisclosed10 - 49 employeesLondon, EnglandTurba Media R&D PTY LTD, a media planning and buying company, was founded in 2023. Their small team is located in Collingwood, Australia; London, England and Los Angeles, California. The firm offers Media Planning & Buying, Digital Strategy, BI & big data consulting & SI, and Generative AI.Read More
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