Top 100 IT Services Companies in the United Kingdom

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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. 
Jump to Most Reviewed Companies

List of the Best United Kingdom IT Companies

  • 1
    (51 Reviews) 4.7

    Timeliness

    4.6

    Service Excellence

    4.7

    Value

    4.4

    Would Recommend

    4.9
    $25,000+
    250 - 999 employees
    London, England
    Established in 2000, Future Processing is a custom software development company. The midsize team provides Custom Software Development, cloud consulting & SI, AI Consulting, Artificial Intelligence, and more. The agency is based in Gliwice, Poland; Ternopil, Ukraine; London, England and Düsseldorf, Germany.
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    Clients

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    Industries

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  • 2
    (20 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    4.8
    $5,000+
    50 - 249 employees
    London, England
    Located in London, England and Düsseldorf, Germany, Transputec Ltd is a Cybersecurity company. The midsize agency was launched in 1986. Their services include Cybersecurity, IT managed services, Artificial Intelligence, cloud consulting & SI, and more.
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    Industries

  • 3
    (31 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.9
    $25,000+
    1,000 - 9,999 employees
    London, England

    ELEKS is a custom software development firm established in 1991. Their large team is in Tallinn, Estonia; L'viv, Ukraine; Berlin, Germany and Rzeszów, Poland. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, and more.

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    Clients

    BNY Mellon DPD Acino DRAX

    Industries

  • 4
    (30 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    Undisclosed
    50 - 249 employees
    Farnborough, England
    Foresite Cybersecurity is a Cybersecurity company. Their midsize team is based in Overland Park, Kansas and Farnborough, England and specializes in Cybersecurity, Compliance Consulting, cloud consulting & SI, and IT managed services. The agency was launched in 2013.
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    Industries

  • 5
    (60 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $5,000+
    50 - 249 employees
    London, England
    DigitalSuits, an e-commerce development company, was launched in 2016. They are in Miami, Florida; L'viv, Ukraine; Kraków, Poland and Tallinn, Estonia and have a midsize team. DigitalSuits offers E-Commerce Development, IT strategy consulting, and BI & big data consulting & SI.
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    Clients

    Koio Scentbird Luma Nutrition Yepoda

    Industries

  • 6
    (14 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $50,000+
    1,000 - 9,999 employees
    London, England
    AI firm ZONE3000 was launched in 1998. They are in London, England; Dubai, United Arab Emirates and L'viv, Ukraine and have a large team. ZONE3000 provides Artificial Intelligence, BI & big data consulting & SI, and IT staff augmentation.
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    Clients

    Dynamiq xFusion CX Design Civitta

    Industries

  • 7
    (20 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $10,000+
    1,000 - 9,999 employees
    Coventry, England
    SDLC Corp is an AI company. The large Dubai, United Arab Emirates-based agency was launched in 2015. Their team focuses on Artificial Intelligence, Custom Software Development, ERP consulting and SI, Web Development, and more.
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    Industries

  • 8
    (129 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.9
    $50,000+
    1,000 - 9,999 employees
    London, England
    Located in Warszawa, Poland; Kraków, Poland; Dallas, Texas and London, England, Andersen Inc. Is a software development company. The large company was launched in 2007. Their team specializes in Custom Software Development, IT strategy consulting, IT managed services, Artificial Intelligence, and more.
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    Clients

    Samsung

    Industries

  • 9
    (35 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.3

    Would Recommend

    4.9
    $100,000+
    1,000 - 9,999 employees
    London, England
    N-iX is a business intelligence company. The large North Miami Beach, Florida-based team offers BI & big data consulting & SI, Artificial Intelligence, Custom Software Development, cloud consulting & SI, and more. The agency was founded in 2002.
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    Clients

    Bosch Siemens eBay Total Energies

    Industries

  • 10
    (22 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.9
    $25,000+
    250 - 999 employees
    London, England
    Transparity, an AI Agents company, is in London, England. The midsize team specializes in AI Agents, AI Consulting, Custom Software Development, Enterprise App Modernization, and more and was established in 2015.
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    Clients

    Alzheimer’s Society NSPCC NHS Lush

    Industries

  • 11
    (12 Reviews) 4.7

    Timeliness

    4.5

    Service Excellence

    4.6

    Value

    4.7

    Would Recommend

    4.8
    $75,000+
    1,000 - 9,999 employees
    London, England
    Launched in 2000, NashTech is a custom software development firm. They are headquartered in London, England; Palatine, Illinois; North Balgowlah, Australia and Thành phố Hồ Chí Minh, Vietnam and have a large team. The firm provides Custom Software Development, cloud consulting & SI, Generative AI, Digital Engineering, and more.
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    Industries

  • 12
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Coventry , England
    In Saint Helier, Jersey; St Peter Port, Guernsey; Coventry , United Kingdom and Leicester , United Kingdom, Calligo is a cloud consulting & SI company. They offer cloud consulting & SI, Artificial Intelligence, and BI & big data consulting & SI and were established in 2010.
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    Clients

    Microsoft

    Industries

  • 13
    (14 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $5,000+
    10 - 49 employees
    Edinburgh, Scotland
    Established in 2012, Texaport is an IT managed services company. The small team focuses on IT managed services, cloud consulting & SI, Cybersecurity, IT strategy consulting, and more. The firm is in Edinburgh, Scotland; Glasgow, Scotland; London, England and Manchester, England.
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    Industries

  • 14
    (5 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.7
    $25,000+
    1,000 - 9,999 employees
    St Albans, England
    FCamara is an user experience agency. Their large team is in São Paulo, Brazil; Leiria, Portugal; St Albans, England and Dubai, United Arab Emirates. Their services include UX/UI Design, IT strategy consulting, cloud consulting & SI, IT staff augmentation, and more. The firm was founded in 2006.
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    Clients

    Farfetch IPSOS Elfa Group BTG Pactual

    Industries

  • 15
    (1 Reviews) 4.5

    Timeliness

    4.5

    Service Excellence

    4.5

    Value

    4.0

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    Reigate, England
    Opus Technology is a midsize Reigate, England-based IT managed services company. They specialize in IT managed services, Call Center Services, and Cybersecurity and were established in 1992.
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    Clients

    Which? The consumer champion All Saints Fred Olsen Dignity Funerals PLC

    Industries

  • 16
    (42 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    5.0
    $25,000+
    1,000 - 9,999 employees
    London, England
    Itransition is a large ERP consulting and SI company established in 1998. Their services include ERP consulting and SI, Custom Software Development, CRM consulting and SI, Artificial Intelligence, and more. The agency is based in Decatur, Georgia; London, England; Vilnius, Lithuania and Warszawa, Poland.
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    Clients

    Expedia

    Industries

  • 17
    (7 Reviews) 4.7

    Timeliness

    4.3

    Service Excellence

    4.6

    Value

    4.3

    Would Recommend

    5.0
    $100,000+
    1,000 - 9,999 employees
    London, England

    CI&T (formerly CINQ Technologies) is software development company based in Curitiba, Brazil with additional offices in Brazil and Miami. Founded in 1992, the team of 271 specializes in custom software development, IT staff augmentation, and UX/UI design. They work primarily with enterprise clients in the transportation and financial services industries.

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    Clients

    SITA

    Industries

  • 18
    (15 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    50 - 249 employees
    London, England
    CloudMasonry is a CRM consulting and SI company. They are based in Indianapolis, Indiana; Chicago, Illinois and London, England and have a midsize team. Their services include CRM consulting and SI. The firm was founded in 2018.
    Read More

    Industries

  • 19
    (15 Reviews) 4.7

    Timeliness

    4.5

    Service Excellence

    4.6

    Value

    4.3

    Would Recommend

    4.9
    $50,000+
    10,000+ employees
    London, England
    Virtusa, an AI Consulting company, is headquartered in Southborough, Massachusetts; New York, New York; London, England and Hyderabad, India. The large agency was founded in 1993. Their services include AI Consulting, Artificial Intelligence, AI Agents, Custom Software Development, and more.
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    Clients

    Pegasystems

    Industries

  • 20
    (21 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.4

    Would Recommend

    4.7
    $5,000+
    10 - 49 employees
    Clayton-le-Woods, England
    Headquartered in Clayton-le-Woods, England, FluidOne - Chorley is an IT managed services company. Founded in 2001, the small team offers IT managed services, IT strategy consulting, and Cybersecurity.
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    Industries

  • 21
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Bradford on Avon, England
    Systemagic Ltd is an IT managed services company. Founded in 1999, the team provides IT managed services, cloud consulting & SI, Cybersecurity, and IT strategy consulting. Their small company is Bradford on Avon, England-based.
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    Industries

  • 22
    (6 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.8
    $5,000+
    50 - 249 employees
    London, England
    MagicFuse is a London, England-based CRM consulting and SI company. The firm provides CRM consulting and SI and Custom Software Development and is midsize.The firm was launched in 2019.
    Read More

    Industries

  • 23
    (103 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.9
    $50,000+
    1,000 - 9,999 employees
    London, England
    Vention is an artificial intelligence firm. Founded in 2002, the company is based in New York, New York; London, England; Marietta, Georgia and San Francisco, California. The large team focuses on Artificial Intelligence, Custom Software Development, Enterprise App Modernization, cloud consulting & SI, and more.
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    Clients

    IBM PayPal pwc IC Markets

    Industries

  • 24
    (11 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.0

    Would Recommend

    4.5
    $5,000+
    250 - 999 employees
    London, England

    A Salesforce Partner Innovation Award winner 2020. A full-service Salesforce Platinum consulting, development & outsourcing partner delivering across the entire Salesforce platform. 500+ people, 16 offices in 12 countries, we think globally and delivery locally.

     

    We have been 100% focused on helping transform businesses within the Salesforce ecosystem over the last 10 years. Clients love our flexible, nimble, and cost-effective approach. It's why we receive an average customer satisfaction rating of 4.8 out of 5.

     

    As PDO Experts, Salesforce.org Impact Partners, and Tableau Partners, we are one of a few Salesforce partners to have the technical scale, expertise, and experience to design & deliver core Salesforce implementations & AppExchange apps.

     

    You benefit from our industry knowledge and experience by implementing a best practice solution within your business. Quickly & efficiently. Our specialist certified consultants & developers have delivered over 1000 projects to more than 350 clients.

     

    We work hand-in-hand with stakeholders to create achievable roadmaps, deliver benefits quickly & maximize Salesforce investments. We have the technical expertise & experience to deliver solutions across all Salesforce clouds, for all sizes of companies, in many industries.

     

    With 500+ Salesforce professionals located in our regional offices and central delivery hubs, we utilize best practice Salesforce technology and dev ops, enabling our customers to realize the benefits quickly.

     

    We have the scale to provide dedicated teams of developers and consultants to our GSI and ISV partners. Since 2013, Salesforce Services has used VRP’s development expertise on over 20 of their most strategic, enterprise accounts. As one of the few PDO experts, we have helped ISVs with ideation, design, development, and support with AppExchange apps.

     

    Our dedicated Managed Service team provides support, admin & small enhancements to clients via flexible, responsive & cost-effective monthly packages of hours.

     

    Key clients:  Rolls Royce, Welk Resorts, BVT Sweden, Felm, Beyond Better Foods, Digital Genius

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    Clients

    Rolls Royce

    Industries

  • 25
    (5 Reviews) 4.7

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.9
    $5,000+
    50 - 249 employees
    Scunthorpe, England
    The HBP Group is an IT managed services company. They focus on IT managed services, IT strategy consulting, and Cybersecurity and were founded in 1991. Their midsize team is Scunthorpe, England-based.
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    Clients

    R&G Fluid Power Group BetterYou Black Onyx Concepts GCH Corporation

    Industries

  • 26
    (19 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.9
    $25,000+
    1,000 - 9,999 employees
    London, England

    Keyrus is a digital consulting agency that has been offering BI and Big Data consulting, IT strategy consulting, Cloud consulting, and SI services to their clients in the retail, business services, and financial services industries since 1996. Their 10,000 employees are based out of their offices in London, NYC, LA, D.C., France, and Toronto. 

     

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    Clients

    Dannon

    Industries

  • 27
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    London, England
    Cybersecurity company REDSECLABS was established in 2023. Based in London, England, their small team specializes in Cybersecurity.
    Read More

    Industries

  • 28
    (26 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.5

    Would Recommend

    4.9
    $100,000+
    1,000 - 9,999 employees
    London , England
    Software development firm DataArt is located in New York, New York; Zug, Switzerland; London , England and München, Germany. Established in 1997, the large team provides Custom Software Development, IoT development, Artificial Intelligence, BI & big data consulting & SI, and more.
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    Clients

    Ocado Technology Metro Markets Nasdaq Invesco

    Industries

  • 29
    (5 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    250 - 999 employees
    London, England

    Link Group Global, inc. Is an Austin, Texas-based human resources agency. The midsize company was established in 2015. Their services include HR services, IT managed services, and IT staff augmentation.

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    Clients

    Danone

    Industries

  • 30
    (11 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.5

    Would Recommend

    4.9
    $50,000+
    50 - 249 employees
    Belfast, Northern Ireland

    Instil Software is a software engineering firm based in Belfast, Northern Ireland. Founded in 2005, Instil has about 30 employees that work across a variety of industries. They offer custom software development, mobile app development, cloud consulting and software integration, IoT, and web development.

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    Industries

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