Top Software Companies in the United Kingdom

Last updated: August 15, 2025 Country: United Kingdom Industry: Technology & Telecom Companies listed: 20

This B2B directory page highlights 20 companies in United Kingdom within the Technology & Telecom sector, helping you identify relevant suppliers, partners, and service providers faster.

Top Software Companies in the United Kingdom

Software solutions are essential for businesses across the United Kingdom, driving innovation and efficiency. Discover trusted local providers offering everything from enterprise systems to bespoke development.

The UK’s thriving tech sector demands reliable software services, whether for fintech in London, AI in Cambridge, or e-commerce in Manchester. Companies here handle custom development, cloud migration, cybersecurity, and SaaS solutions tailored to diverse industries.

When choosing a provider, consider their industry expertise, scalability, and compliance with UK data regulations. Look for firms with strong client portfolios, transparent pricing, and responsive support—key for navigating the fast-paced digital landscape.

  • Sage – A leader in accounting and enterprise software since 1981, Sage serves over 3 million UK businesses with cloud-based solutions. Known for seamless integrations and 24/7 support.
    Website: www.sage.com
    Contact: 0800 33 66 33, support@sage.com
    Address: North Park, Newcastle upon Tyne, NE13 9AA
  • Micro Focus – Serving the UK since 1976, Micro Focus specializes in enterprise DevOps and cybersecurity software, helping firms like HSBC and BT streamline operations.
    Website: www.microfocus.com
    Contact: +44 1635 565 000, enquiries@microfocus.com
    Address: The Lawn, Newbury, RG14 1SX
  • Darktrace – A Cambridge-based AI cybersecurity pioneer, Darktrace protects NHS and FTSE 100 clients with self-learning threat detection. Winner of multiple Queen’s Awards for Innovation.
    Website: www.darktrace.com
    Contact: +44 1223 394 100, info@darktrace.com
    Address: St John’s Innovation Park, Cambridge, CB4 0WS
  • ARM Holdings – Globally renowned for semiconductor IP designs, ARM powers 95% of UK smartphones. Their Cambridge HQ drives IoT and 5G innovation.
    Website: www.arm.com
    Contact: +44 1223 400 400, support@arm.com
    Address: 110 Fulbourn Road, Cambridge, CB1 9NJ
  • Sophos – Oxford’s cybersecurity giant offers endpoint and network protection for UK schools and SMEs. Trusted for real-time threat response since 1985.
    Website: www.sophos.com
    Contact: +44 1235 559 933, sales@sophos.com
    Address: The Pentagon, Abingdon, OX14 3YP
  • Autonomy (HP Enterprise) – A legacy UK software firm specializing in big data analytics, now part of HPE. Their Cambridge team aids financial and healthcare sectors.
    Website: www.hpe.com
    Contact: +44 207 730 1000, uk_info@hpe.com
    Address: 1 Forbury Place, Reading, RG1 3JH
  • Skyscanner – Edinburgh’s travel tech success story provides API solutions for airlines and booking platforms. Acquired by Ctrip for £1.4 billion in 2016.
    Website: www.skyscanner.net
    Contact: +44 131 252 5353, press@skyscanner.net
    Address: Quartermile One, Edinburgh, EH3 9PE
  • Improbable – A London-based metaverse pioneer creating virtual worlds for gaming and defense. Backed by SoftBank, they employ 400+ UK engineers.
    Website: www.improbable.io
    Contact: +44 203 908 7660, info@improbable.io
    Address: 6-8 Boundary Row, London, SE1 8HP
  • Monzo – This digital bank’s open API platform enables fintech partnerships across the UK. Their London team focuses on scalable cloud infrastructure.
    Website: www.monzo.com
    Contact: +44 808 169 7307, help@monzo.com
    Address: Finsbury Square, London, EC2A 1PL
  • Graphcore – Bristol’s AI hardware/software innovator designs IPUs for machine learning. Partnered with Dell and Microsoft on UK supercomputing projects.
    Website: www.graphcore.ai
    Contact: +44 117 369 2300, info@graphcore.ai
    Address: 5 Temple Quay, Bristol, BS1 6DZ
  • BGL Group – The Peterborough-based insurance software firm powers Comparethemarket.com’s platforms. Processes 20 million UK customer quotes annually.
    Website: www.bglgroup.co.uk
    Contact: 0344 571 2712, enquiries@bglgroup.co.uk
    Address: Pegasus House, Bakewell Road, Peterborough, PE2 6YS
  • FanDuel – Edinburgh’s sports betting app leader provides white-label solutions for UK bookmakers. Known for real-time odds algorithms.
    Website: www.fanduel.com
    Contact: +44 131 202 5100, support@fanduel.com
    Address: Quartermile Two, Edinburgh, EH3 9GL
  • Featurespace – Cambridge fraud detection software used by UK banks like HSBC. Their ARIC platform analyzes 10 billion transactions monthly.
    Website: www.featurespace.com
    Contact: +44 1223 345 900, info@featurespace.com
    Address: 20 Cambridge Science Park, Cambridge, CB4 0FP
  • NewVoiceMedia – Now part of Vonage, this Basingstoke firm provides cloud contact center software to UK retailers like Specsavers.
    Website: www.vonage.com
    Contact: +44 1256 394 500, sales@vonage.com
    Address: 300 Pavilion Drive, Basingstoke, RG21 4EE
  • OVO Energy – Bristol’s green energy supplier develops smart grid software for UK households. Their Kaluza platform optimizes EV charging.
    Website: www.ovoenergy.com
    Contact: 0330 303 5063, hello@ovoenergy.com
    Address: 1 Rivergate, Bristol, BS1 6ED
  • Starling Bank – London’s API-first digital bank offers B2B software for UK financial institutions. Won Best British Bank three years running.
    Website: www.starlingbank.com
    Contact: +44 207 930 4450, help@starlingbank.com
    Address: 2 Finsbury Avenue, London, EC2M 2PP
  • BenevolentAI – This London biotech firm uses AI to accelerate drug discovery, partnering with AstraZeneca on UK research.
    Website: www.benevolent.com
    Contact: +44 203 781 8300, info@benevolent.com
    Address: 4-8 Maple Street, London, W1T 5HD
  • Thought Machine – A London fintech building cloud-native core banking software. Clients include Lloyds Banking Group and SEB.
    Website: www.thoughtmachine.net
    Contact: +44 203 908 1380, info@thoughtmachine.net
    Address: 10 York Road, London, SE1 7ND
  • Onfido – London-based identity verification software trusted by UK gig economy platforms. Uses AI to process 2,000 document types.
    Website: www.onfido.com
    Contact: +44 203 882 1000, sales@onfido.com
    Address: 4 Finsbury Circus, London, EC2M 7DT
  • OakNorth – This London fintech’s credit analysis software helps UK lenders assess SME loans. Valued at $2.8 billion in 2023.
    Website: www.oaknorth.com
    Contact: +44 203 713 1100, contact@oaknorth.com
    Address: 12-18 Grosvenor Gardens, London, SW1W 0DH

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