Top 100 IT Services Companies in London

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Top 100 IT Services Companies in London

The Best of July 2026

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

  • 31
    (48 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

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  • 32
    (18 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $50,000+
    50 - 249 employees
    London, England
    Mad Devs, a cloud consulting & SI company, is headquartered in London, England and Bishkek, Kyrgyzstan. The midsize company was launched in 2016. Their services include cloud consulting & SI, IT staff augmentation, Blockchain, Cybersecurity, and more.
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    Clients

    Clutch

    Industries

  • 33
    (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

  • 34
    (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

  • 35
    (9 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    4.9
    $10,000+
    2 - 9 employees
    London, England

    Founded in 2017, Lambert Labs is a software development agency that specializes in Python. Their team of fewer than 10 employees is based in London. They also provide web development services and application testing. 

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    Clients

    Accenture

    Industries

  • 36
    (37 Reviews) 4.6

    Timeliness

    4.6

    Service Excellence

    4.5

    Value

    4.6

    Would Recommend

    4.7
    $50,000+
    250 - 999 employees
    London, England
    Vega IT is a Novi Sad, Serbia-based custom software development company. Established in 2008, the midsize team offers Custom Software Development, CRM consulting and SI, Mobile App Development, E-Commerce Development, and more.
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    Clients

    Howden Group Arthur D. Little Costa Coffee UniCredit bank

    Industries

  • 37
    (3 Reviews) 4.8

    Timeliness

    4.2

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    4.7
    $25,000+
    50 - 249 employees
    London, England

    Esynergy is a big data analytics company. They are headquartered in London, United Kingdom and have a midsize team. Their services include BI & big data consulting & SI, cloud consulting & SI, custom software development, mobile app development, and more.

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    Industries

  • 38
    (43 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.8

    Would Recommend

    4.8
    $10,000+
    250 - 999 employees
    London, England
    SoftProdigy is a Sahibzada Ajit Singh Nagar, India-based software development firm. The agency specializes in Custom Software Development, Mobile App Development, Artificial Intelligence, cloud consulting & SI, and more and is midsize.The agency was launched in 2006.
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    Clients

    Deloitte

    Industries

  • 39
    (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

  • 40
    (5 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    250 - 999 employees
    London, England
    E-commerce development company BSS Commerce is headquartered in Hanoi, Vietnam; Santa Monica, California; London, England and Singapore, Singapore. They focus on E-Commerce Development, IT strategy consulting, Web Development, Custom Software Development, and more and were established in 2012.
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    Industries

  • 41
    (51 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    London, England
    Located in Woodstock, England and London, England, Vidi Corp LTD is a small business intelligence company. Established in 2021, the team specializes in BI & big data consulting & SI, Robotics Process Automation, other IT consulting and SI, Other Application Development, and more.
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    Industries

  • 42
    (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 is a small ECM consulting and SI company established in 2016. Their team focuses on ECM consulting and SI, Web Design, unified communications consulting & SI, Low/No Code Development, and more. The firm is headquartered in London, England.
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    Clients

    Warner Bros. Discovery British Red Cross University of Leeds Bauer Media Group

    Industries

  • 43
    (4 Reviews) 5.0

    Timeliness

    4.6

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

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

    impakt Advisors is a big data company based in New York. Founded in 2016, this company has 10 employees. Services provided by impakt Advisors include IT strategy consulting, big data consulting, and cloud consulting for businesses of all sizes.

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    Clients

    TD Ameritrade

    Industries

  • 44
    (5 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    London, England
    Pixcell.io | HubSpot RevOps & AI Consultancy UK 🇬🇧 is a small CRM consulting and SI company. The London, England-based firm was established in 2022. Their services include CRM consulting and SI.
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    Clients

    Bioniq - Health - www.bioniq.com Xapien - SaaS - www.xapien.com Intruder - SaaS - www.intruder.io GrainPro - Food Production - www.grainpro.com

    Industries

  • 45
    (19 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    London, England
    Stingrai Inc., a small Cybersecurity company, is in Toronto, Canada and London, England. Founded in 2021, the team provides Cybersecurity and Application Testing.
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    Clients

    Clicktrans

    Industries

  • 46
    (3 Reviews) 4.3

    Timeliness

    4.3

    Service Excellence

    4.3

    Value

    4.3

    Would Recommend

    4.5
    Undisclosed
    50 - 249 employees
    London, England
    BreachLock Inc is an Application Testing company. Launched in 2019, the midsize agency is based in New York, New York; Amsterdam, Netherlands and London, England. Their team offers Application Testing, Cybersecurity, and DevOps Managed Services.
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    Industries

  • 47
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    London, England
    Telescopic is a CRM consulting and SI company. The small team is located in London, England. Their services include CRM consulting and SI, IT strategy consulting, ECM consulting and SI, Mobile App Development, and more.
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    Industries

  • 48
    (5 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    London, England
    Digitalis.io is a cloud consulting & SI company established in 2015. They are in London, England and have a small team. Their services include cloud consulting & SI, IT managed services, DevOps Managed Services, IT staff augmentation, and more.
    Read More

    Industries

  • 49
    (20 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    London, England
    Valor Software is a Lakewood, Colorado-based web design company. The midsize company was established in 2013. Their services include Web Design, UX/UI Design, IT strategy consulting, IT staff augmentation, and more.
    Read More

    Clients

    Breethe

    Industries

  • 50
    (3 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    London, England
    Influential Software is a London, England-based software development firm. The midsize team focuses on Custom Software Development, Web Development, BI & big data consulting & SI, IT managed services, and more and was founded in 1993.
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    Clients

    Deloitte

    Industries

  • 51
    (28 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.8
    $25,000+
    250 - 999 employees
    London, England
    Altkom Software is a Warszawa, Poland-based custom software development firm. They specialize in Custom Software Development, Mobile App Development, Enterprise App Modernization, and cloud consulting & SI and were launched in 2000.
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    Clients

    BNP Paribas

    Industries

  • 52
    (11 Reviews) 4.8

    Timeliness

    4.6

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    4.8
    $25,000+
    50 - 249 employees
    London, England

    Beyond Analysis is a marketing and advertising firm that has offices in Wimbledon, United Kingdom and Sydney, Australia. Founded in 2007, Beyond Analysis's team of just over 20 employees has over a decade of experience specializing in big data consulting/SI. The firm also offers artificial intelligence and marketing research services to its clients.   

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    Clients

    DFS

    Industries

  • 53
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

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

    Smartdesc is a London-based IT company with a team of fewer than 50 people. Founded in 2011, they offer IT strategy consulting, cloud consulting, and cybersecurity solutions for small and mid-market businesses, primarily non-profit organizations.

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    Clients

    Mind

    Industries

  • 54
    (13 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.8

    Would Recommend

    5.0
    $5,000+
    250 - 999 employees
    London, England
    Polestar Analytics, a cloud consulting & SI company, was founded in 2012. Their midsize team is based in Noida, India; Mumbai, India; Dover, Delaware and Kolkata, India. The agency focuses on cloud consulting & SI, AI Agents, Generative AI, Artificial Intelligence, and more.
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    Clients

    Havells

    Industries

  • 55
    (19 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    4.9
    $10,000+
    250 - 999 employees
    London, England
    SENLA is a midsize software development company. Located in Warszawa, Poland; London, England and Zagreb, Croatia, the agency was established in 2012. Their team focuses on Custom Software Development, Web Development, Mobile App Development, Blockchain, and more.
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    Clients

    Abbott BOSCH KPMG Western Union

    Industries

  • 56
    (30 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Kingston upon Thames, England

    Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.

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    Clients

    OnlyFans

    Industries

  • 57
    (31 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    London, England
    Midsize software development firm GoodCore Software, is headquartered in London, England; Karachi, Pakistan and Cyberjaya, Malaysia. Founded in 2005, the team specializes in Custom Software Development, Artificial Intelligence, Web Development, IT strategy consulting, and more.
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    Clients

    PMLL GCBF Hirevine London Women's Clinic

    Industries

  • 58
    (7 Reviews) 4.7

    Timeliness

    4.4

    Service Excellence

    4.5

    Value

    4.1

    Would Recommend

    5.0
    $10,000+
    1,000 - 9,999 employees
    London, England
    Xebia is a large cloud consulting & SI company launched in 2001. Their team provides cloud consulting & SI, IT strategy consulting, Custom Software Development, BI & big data consulting & SI, and more. The agency is in Wrocław, Poland; Rzeszów, Poland; Gdańsk, Poland and Atlanta, Georgia.
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    Clients

    Yell

    Industries

  • 59
    (6 Reviews) 4.6

    Timeliness

    4.5

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.5
    $25,000+
    250 - 999 employees
    London, England
    Web design agency IT Labs is headquartered in Palm Beach Gardens, Florida; London, England; Noordwijk, Netherlands and Skopje, North Macedonia. The midsize team focuses on Web Design, BI & big data consulting & SI, UX/UI Design, IT strategy consulting, and more and was launched in 2005.
    Read More

    Industries

  • 60
    (35 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $25,000+
    50 - 249 employees
    Cobham, England
    Mobcoder, an IT staff augmentation company, is located in Seattle, Washington; Cobham, England; Ghaziabad, India and Burnaby, Canada. The midsize company was launched in 2014. Their services include IT staff augmentation, Artificial Intelligence, UX/UI Design, BI & big data consulting & SI, and more.
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    Clients

    General mills

    Industries

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