Top 100 Systems Integrator Companies in the United Kingdom

ClearPeople is a midsize software development firm. They specialize in custom software development, unified communications consulting & SI, and cloud consulting & SI and were founded in 2003. The agency is based in London, United Kingdom.

Peak Indicators is a midsize IT managed services company based in Chesterfield, United Kingdom. They provide IT managed services, BI & big data consulting & SI, and cloud consulting & SI and were founded in 2008.

Omnicom is a large branding company. Established in 1986, the team provides branding, CRM consulting and SI, digital strategy, public relations, and more. The firm is located in New York, New York; London, United Kingdom and Chicago, Illinois.

Nolan Business Solutions is a CRM consulting and SI company. Their midsize team is based in Fleet, United Kingdom and Fleet, United Kingdom. Their services include CRM consulting and SI, BI & big data consulting & SI, and ERP consulting and SI.

Based in Maidenhead, United Kingdom, Preact Ltd is a midsize CRM consulting and SI company. They provide CRM consulting and SI, ERP consulting and SI, cloud consulting & SI, and unified communications consulting & SI and were launched in 1993.

Headquartered in Boston, Massachusetts and Leicester, United Kingdom, CloudCall is a HR agency. The midsize team specializes in HR services, voice services, cloud consulting & SI, and CRM consulting and SI and was founded in 1999.

Codification, a midsize cloud consulting & SI company, is located in Newcastle upon Tyne, United Kingdom and Colombo, Sri Lanka. Launched in 2017, the team specializes in cloud consulting & SI, ERP consulting and SI, enterprise app modernization, IT strategy consulting, and more.

BrightGen is a midsize CRM consulting and SI company. The London, United Kingdom-based agency was launched in 2006. Their services include CRM consulting and SI and cloud consulting & SI.

Intellectsoft is a boutique digital transformation consultancy headquartered in Palo Alto, California. The Company provides cutting edge engineering solutions for global and Fortune 500 companies with the mission to help enterprises accelerate adoption of new technologies, untangle complex issues that always emerge during digital evolution, and orchestrate ongoing innovation.

Intellectsoft maintains its advanced domain expertise through five dedicated labs:  Cognitive Computing, Decentralized Applications (i.e. Blockchain), Internet-of-Things (IOT), Premier Customer Experience (CX), and Mixed Reality (AR, VR).

Established in 2007, Intellectsoft operates across multiple offices with the engineering centers in the U.S., the U.K., the Nordic region and Eastern Europe.

BSBI Consultancy Solutions is a business intelligence company. Founded in 2014, the team offers BI & big data consulting & SI, Artificial Intelligence, and business consulting. Their small agency is headquartered in Watford, United Kingdom.

Located in Sheffield , United Kingdom, Business Data Prospects is a business intelligence company. The small team provides BI & big data consulting & SI and was founded in 2009.

Content marketing company BBD Boom was established in 2017. The small Bournemouth, United Kingdom-based team specializes in content marketing, conversion optimization, digital strategy, email marketing, and more.

Launched in 2015, Transparity is a IT managed services company. Their midsize team is headquartered in Winnersh, United Kingdom and Wimborne, United Kingdom. Their services include IT managed services, other IT consulting and SI, IT strategy consulting, cloud consulting & SI, and more.

Cloudflex, a custom software development firm, is in Kyiv, Ukraine. The small team specializes in custom software development, mobile app development, web development, Artificial Intelligence, and more. The firm was founded in 2018.

Allsop Intelligent Software, a big data company, was established in 1996. Their small team is headquartered in Belfast, United Kingdom. The company offers BI & big data consulting & SI, cloud consulting & SI, and custom software development.

SalesSource, a sales outsourcing company, is headquartered in Amsterdam, Netherlands and Utrecht, Netherlands. The small team offers sales outsourcing, digital strategy, content marketing, and business consulting and was founded in 2021.

Custom software development firm Kainos was launched in 1986. Their midsize team is located in London, United Kingdom; Belfast, United Kingdom; Dublin , Ireland and Boston, Massachusetts. Kainos focuses on custom software development, web development, BI & big data consulting & SI, cloud consulting & SI, and more.

Cloud consulting & SI company Cloudreach was founded in 2009. The company specializes in cloud consulting & SI, IT managed services, and IT strategy consulting and has a midsize team. The company is located in London, United Kingdom and Edinburgh, United Kingdom.

Human resources company and business intelligence company SHL is headquartered in Kingston upon Thames, . The midsize company was launched in 1977. Their services include HR services and BI & big data consulting & SI.

Human resources company and cloud consulting & SI company AdviserPlus is based in Chester, United Kingdom. Established in 2001, the midsize team provides HR services and cloud consulting & SI.

The Real PBX Private Limited is a cloud consulting & SI company. They are headquartered in Maidstone, United Kingdom and have a midsize team. Their services include cloud consulting & SI.

AquaQ Analytics is a big data company and IT managed services company. Founded in 2011, the team specializes in BI & big data consulting & SI and IT managed services. Their midsize firm is in Belfast, United Kingdom.

Akarigoo is a CRM consulting and SI company located in London, United Kingdom. The midsize firm was launched in 1991. Their services include CRM consulting and SI.

Contino is a cloud consulting & SI and cybersecurity company established in 2014. The midsize City of London, United Kingdom-based team specializes in cloud consulting & SI and cybersecurity.

Data analytics company Mixpanel is in London, United Kingdom. The midsize firm was founded in 2009. Their team specializes in BI & big data consulting & SI and Artificial Intelligence.

Helastel is a midsize software development company. They provide custom software development, BI & big data consulting & SI, e-commerce development, unified communications consulting & SI, and more and were launched in 2004. The firm is located in Bristol, United Kingdom.

Kalinax is a big data agency based in Lisbon, Portugal with more than two experts. Founded in 2016, they specialize in big data and business consulting services for clients ranging from startups to enterprises in the industries of telecommunications, transportation, and more.

IT managed services company Grey Matter Ltd was founded in 1983. They are located in Ashburton, United Kingdom and Torquay, United Kingdom and have a midsize team. Grey Matter Ltd provides IT managed services, unified communications consulting & SI, and cloud consulting & SI.

MTC GS Limited , a IT strategy consulting company, is headquartered in London, United Kingdom. The small firm was founded in 2012. Their team offers IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, CRM consulting and SI, and more.

VeriPark is a CRM consulting and SI company established in 2011. The agency offers CRM consulting and SI, ERP consulting and SI, and other IT consulting and SI and has a small team. The agency is in London, United Kingdom and Istanbul, Turkey.