Top Data infrastructure companies in London
Databases, warehouses, lakes, pipelines, and observability for production data. Filtered to companies headquartered in London.
- IndustryData infrastructure
- HQLondon
- Matches5,963
Built from a search like: “Top Data infrastructure companies in London”
Ranked by current headcount across Data infrastructure companies headquartered in London. Refreshed daily.
- 1DXC Technology· Ashburn, Virginia, United States
- Post-IPO debt
- 90.1k employees
- Founded 2017
- 2ANY Company· London Colney, England, United Kingdom
- 88.8k employees
- Founded 2018
- 3Capita· London, England, United Kingdom
- Seed
- 25.5k employees
- Founded 1984
- 4Edutech· Greater London, England, United Kingdom
- 25.2k employees
- 5VOIS· London, England, United Kingdom
- 20.8k employees
- 6Tight and Muslim· London, England, United Kingdom
- 15.5k employees
- 7Cloud Consulting· London, England, United Kingdom
- Seed
- 14.9k employees
- Founded 2018
- 8Canon EMEA· London, England, United Kingdom
- 11.8k employees
- Founded 1937
- 9Independent Consultant· London, England, United Kingdom
- 11.7k employees
- 10Deliveroo· London, England, United Kingdom
- Post-IPO equity
- 10.4k employees
- Founded 2013
- 11Endava· London, England, United Kingdom
- Post-IPO debt
- 9.6k employees
- Founded 2000
- 12Cloud Services· London, England, United Kingdom
- 9.4k employees
- 13Game Developer· London, England, United Kingdom
- 8.8k employees
- Founded 2015
- 14Dentist AI· London, England, United Kingdom
- 6.8k employees
- 15Travel AI· London, England, United Kingdom
- 6.3k employees
- Founded 2022
- 16FinTech Foundry· London, England, United Kingdom
- 6.1k employees
- 17Qualitest· London, England, United Kingdom
- 6k employees
- Founded 1997
- 18Photon· London, England, United Kingdom
- 5.8k employees
- Founded 2007
- 19ION· London, England, United Kingdom
- 5.7k employees
- Founded 1998
- 20Shopify Developer· London, England, United Kingdom
- 5.5k employees
- 21Private Company· London Colney, England, United Kingdom
- 5.4k employees
- Founded 2017
- 22Computer Futures· London, England, United Kingdom
- 5.1k employees
- Founded 1986
- 23HealthTech· London, England, United Kingdom
- 4.5k employees
- 24Simulation AI· London, England, United Kingdom
- 4k employees
- 25StartUP· London, England, United Kingdom
- 4k employees
Find engineers at Data infrastructure companies in London
London has long been a hub for Data infrastructure, and the list above ranks the largest Data infrastructure companies headquartered there by current headcount, drawn from public LinkedIn and Crunchbase records. With 5,963 matching companies in our index, this is a good map of where the Data infrastructure talent in Londonlives — useful whether you’re recruiting, partnering, or sizing a market.
The biggest Data infrastructure companies in London tend to be the gravitational centres for specialised talent — senior engineers, ML researchers, applied scientists, designers — while the smaller ones compete on speed, equity, and proximity to founders.
Refolk converts this list into a live search. Ask for “Data infrastructure engineers in Londonhiring senior staff” or “founders of Data infrastructure companies in Londonwho left in the last 12 months” and Refolk returns a ranked shortlist with the evidence that earned each person a spot.
How this list is built
Last refreshed: Thu, 07 May 2026 08:45:55 GMT
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