Top 100 IT Services Companies in London

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Top 100 IT Services Companies in London

The Best of December 2025

Looking for a top IT services company in London?

IT Services are the means to ensure all your hardware continues to function. There are essential to any business and we've compiled a list of the best teams in London for you to review. 

Jump to Most Reviewed Companies

List of the Best London IT Companies

  • 1
    (49 Reviews) 4.7

    Timeliness

    4.6

    Service Excellence

    4.7

    Value

    4.4

    Would Recommend

    4.9
    $25,000+
    250 - 999 employees
    London, England

    Future Processing, a software development firm, was founded in 2000. They are based in Gliwice, Poland; Ternopil, Ukraine; London, England and Düsseldorf, Germany and have a midsize team. Future Processing provides Custom Software Development, cloud consulting & SI, BI & big data consulting & SI, Web Development, and more.

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    Clients

    Allocate

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  • 2
    (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

    Andersen Inc. Is a software development company based in Warszawa, Poland; Kraków, Poland; Dallas, Texas and London, England. The large team provides Custom Software Development, IT managed services, Mobile App Development, IT strategy consulting, and more. The agency was established in 2007.

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    Clients

    Samsung

    Industries

  • 3
    (93 Reviews) 4.7

    Timeliness

    4.6

    Service Excellence

    4.6

    Value

    4.6

    Would Recommend

    4.7
    $1,000+
    1,000 - 9,999 employees
    London, England

    Dotsquares is an IT managed services company in London, England; Mount Waverley, Australia; Albourne, England and Jaipur, India. The firm specializes in IT managed services, Web Development, Custom Software Development, Mobile App Development, and more and has a large team.The firm was founded in 2002.

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    Clients

    Ericsson

    Industries

  • 4
    (22 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.9
    $10,000+
    250 - 999 employees
    London, England

    Founded in 2015, Transparity is a cloud consulting & SI company. The midsize London, England-based team offers cloud consulting & SI, IT managed services, Custom Software Development, Artificial Intelligence, and more.

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    Clients

    Apex NSPCC NHS Lush

    Industries

  • 5
    (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
    Wrocław, Poland
    N-iX, a big data analytics company, was founded in 2002. In North Miami Beach, Florida; Malmö, Sweden; North Miami Beach, Florida and Kraków, Poland, their large team provides BI & big data consulting & SI, Artificial Intelligence, Custom Software Development, cloud consulting & SI, and more.
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    Clients

    Bosch Siemens eBay Total Energies

    Industries

  • 6
    (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

  • 7
    (21 Reviews) 4.8

    Timeliness

    4.5

    Service Excellence

    4.6

    Value

    4.4

    Would Recommend

    4.9
    $50,000+
    250 - 999 employees
    London, England

    Opinov8 Digital and Engineering Solutions is a cloud consulting & SI company launched in 2017. The firm provides cloud consulting & SI, IT staff augmentation, BI & big data consulting & SI, Custom Software Development, and more and has a midsize team. The firm is located in London, England; Kyiv, Ukraine; Cairo, Egypt and Weybridge, England.

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    Clients

    Fortune 500 Companies

    Industries

  • 8
    (39 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, a software development company, was founded in 1998. They are headquartered in Denver, Colorado; London, England; Vilnius, Lithuania and Warszawa, Poland and have a large team. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, ERP consulting and SI, and more.
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    Clients

    Expedia

    Industries

  • 9
    (14 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

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

  • 10
    (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
    NashTech is a large software development company. The London, England-based company was established in 2000. Their services include Custom Software Development, cloud consulting & SI, Generative AI, Digital Engineering, and more.
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    Industries

  • 11
    (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

  • 12
    (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
    Lisboa, Portugal

    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

  • 13
    (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

    Founded in 2019, MagicFuse is a midsize CRM consulting and SI company. Their services include CRM consulting and SI and Custom Software Development. The agency is headquartered in London, England and L'viv, Ukraine.

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    Industries

  • 14
    (5 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.7
    $5,000+
    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
    (99 Reviews) 4.7

    Timeliness

    4.5

    Service Excellence

    4.7

    Value

    4.4

    Would Recommend

    4.8
    $25,000+
    250 - 999 employees
    London, England
    STX Next is an AI firm established in 2005. The company focuses on Artificial Intelligence, BI & big data consulting & SI, Custom Software Development, Web Development, and more and has a midsize team.
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    Clients

    Mastercard Canon Hogarth Man

    Industries

  • 16
    (16 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.6

    Would Recommend

    4.9
    $50,000+
    250 - 999 employees
    London, England
    Launched in 2006, SPD Technology is a software development company. Their midsize team is located in London, England; Kyiv, Ukraine; București, Romania and Aradippou, Cyprus. Their team offers Custom Software Development, Artificial Intelligence, and IT managed services.
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    Clients

    PitchBook GoDaddy Roche Morningstar

    Industries

  • 17
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    London, England

    Established in 1999, Systemagic Ltd is an IT managed services company. The firm offers IT managed services, cloud consulting & SI, cybersecurity, and IT strategy consulting and has a small team. The firm is located in Bradford on Avon, United Kingdom and London, United Kingdom.

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    Industries

  • 18
    (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

  • 19
    (11 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    250 - 999 employees
    London, England

    Coders Dev is a web design and mobile app development company based in London with offices in Singapore and Abu Dhabi, U.A.E. The company, founded in 2010, has more than 500 employees and provides web development and AI services. Coders Dev serves small and larger-sized companies in the health care & medical, hospitality & leisure, consumer products & services, financial services, gaming, telecommunications, automotive, manufacturing, and e-commerce industries. 

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    Clients

    British Telecom

    Industries

  • 20
    (6 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    1,000 - 9,999 employees
    London, England
    Headquartered in Dubai, United Arab Emirates; L'viv, Ukraine and London, England, ZONE3000 is an AI company. Founded in 1998, the large team provides Artificial Intelligence, BI & big data consulting & SI, and IT staff augmentation.
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    Industries

  • 21
    (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
    New York, NY
    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

  • 22
    (4 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.6

    Value

    4.4

    Would Recommend

    5.0
    Undisclosed
    50 - 249 employees
    London, England
    Abacus Cambridge Partners, an ERP consulting and SI company, is based in London, England; Dubai, United Arab Emirates; Riyadh, Saudi Arabia and New York, New York. They focus on ERP consulting and SI, BI & big data consulting & SI, Custom Software Development, Call Center Services, and more and were founded in 2017.
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    Clients

    Hafilat Industry LLC

    Industries

  • 23
    (77 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    4.9
    $25,000+
    250 - 999 employees
    London, England
    Software development company Computools is in New York, New York; London, England; Oslo, Norway and Linz, Austria. The midsize team focuses on Custom Software Development, IT managed services, Mobile App Development, IT strategy consulting, and more. The firm was established in 2013.
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    Clients

    Visa Epson IBM Dior

    Industries

  • 24
    (4 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.6
    $25,000+
    10 - 49 employees
    London, England

    Silicon Reef are a SharePoint development & Microsoft 365 solutions agency. Founded in 2016, they are located in the United Kingdom with offices in London, Chester, and Bournemouth. They offer a range of services from consultancy, campaign-based web or app development, and front-end creative. They also offer full-blown migration, strategic road-mapping, and full-service development partnerships and partner with medium-sized to enterprise clients. 

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    Clients

    Unilever
  • 25
    (10 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    3.9

    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

  • 26
    (13 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    London, England
    Stingrai Inc. Is a Toronto, Canada-based Cybersecurity company. The small firm was founded in 2021. Their team offers Cybersecurity.
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    Clients

    Clicktrans

    Industries

  • 27
    (111 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.9
    $10,000+
    250 - 999 employees
    London, England
    GeekyAnts is a Bengaluru, India-based custom software development firm. The midsize team provides Custom Software Development, Mobile App Development, Web Development, Artificial Intelligence, and more. The firm was launched in 2006.
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    Clients

    Siveco Romania Olive Garden Darden KhataBook

    Industries

  • 28
    (36 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
    10Pearls is a custom software development company located in Vienna, Virginia; Medellín, Colombia; New York, New York and San Rafael de Escazú, Costa Rica. The large firm was established in 2004. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, cloud consulting & SI, and more.
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    Clients

    HughesNet

    Industries

  • 29
    (46 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.9

    Would Recommend

    4.9
    $25,000+
    1,000 - 9,999 employees
    London, England
    TatvaSoft is a custom software development company headquartered in Ahmedabad, India; Murphy, Texas; Melbourne, Australia and London, England. Established in 2001, the large team focuses on Custom Software Development, Web Development, Mobile App Development, cloud consulting & SI, and more.
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    Clients

    Anglo American

    Industries

  • 30
    (54 Reviews) 4.7

    Timeliness

    4.6

    Service Excellence

    4.6

    Value

    4.4

    Would Recommend

    4.8
    $50,000+
    1,000 - 9,999 employees
    London, England
    Custom software development firm Kellton is in Reston, Virginia; PERYDOT, Poland; Gurugram, India and Plano, Texas. The large agency was launched in 2009. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, BI & big data consulting & SI, and more.
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    Industries

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