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Top Healthtech companies in London

Companies building software and devices for clinicians, patients, and payers. Filtered to companies headquartered in London.

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Built from a search like: “Top Healthtech companies in London”

Ranked by current headcount across Healthtech companies headquartered in London. Refreshed daily.

  1. 1
    NHS England· London Colney, England, United Kingdom
    • 58.8k employees
    • Founded 2012
  2. 2
    Bupa UK· London Area, United Kingdom
    • Debt
    • 20.5k employees
    • Founded 1947
  3. 3
    Guy's and St Thomas' NHS Foundation Trust· London, England, United Kingdom
    • Grant
    • 11.5k employees
    • Founded 1993
  4. 4
    Barts Health NHS Trust· London, England, United Kingdom
    • 10.1k employees
    • Founded 2012
  5. 5
    Nuffield Health· London, England, United Kingdom
    • Debt
    • 9.1k employees
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Find engineers at Healthtech companies in London

London has long been a hub for Healthtech, and the list above ranks the largest Healthtech companies headquartered there by current headcount, drawn from public LinkedIn and Crunchbase records. With 4,213 matching companies in our index, this is a good map of where the Healthtech talent in Londonlives - useful whether you’re recruiting, partnering, or sizing a market.

The biggest Healthtech 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 “Healthtech engineers in Londonhiring senior staff” or “founders of Healthtech 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

Refolk pulled Healthtech companies headquartered in London from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 10 employees. The list refreshes once a day.

Last refreshed: Sun, 21 Jun 2026 08:23:42 GMT

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