# Patients Know Best funding: rounds and investors > Patients Know Best has raised $19M across 8 rounds since 2009. Investors include Maxfield Capital, Seedcamp and Balderton Capital. Every round with its source. Source: https://millionrounds.com/company/patients-know-best (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Venture startup](https://millionrounds.com/companies) # Who invested in *Patients Know Best* 8 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. Healthcare Funding summary Updated 26 Oct 2026 **$19M** raised across 8 rounds since 2009, from 8 sources **$1.1M** Seed **$40K** Grant **$1.7M** Venture **$3.7M** Venture **$4.6M** Round **$1.8M** Round **$6.1M** Round - **Latest round:** Round, $6.1M Aug 2025 - **Step-up i:** 3.3× - **Investors:** 5 See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2009 2012 2015 2018 2021 2024 **?** Seed **$1.1M** Seed **$40K** Grant **$1.7M** Venture **$3.7M** Venture **$4.6M** Round **$1.8M** Round **$6.1M** Round - **First round:** Seed - **Biggest round:** $6.1M - **Usual gap between rounds:** 21 months ## The rounds - **Aug 2025** Round **$6.1M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Nov 2023** Round **$1.8M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Oct 2021** Round **$4.6M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Dec 2015** Venture **$3.7M** *1 new* *1 returning* [Balderton Capital](https://millionrounds.com/fund/balderton-capital) [Maxfield Capital](https://millionrounds.com/fund/maxfield-capital) From a historical funding record - **Nov 2014** Venture **$1.7M** *1 new* [Maxfield Capital](https://millionrounds.com/fund/maxfield-capital) From a historical funding record - **Oct 2011** Grant **$40K** *1 new* [UnLtd](https://millionrounds.com/fund/unltd) Reported by guardian.co.uk - **Jul 2010** Seed **$1.1M** *1 new* [Keith Willey](https://millionrounds.com/fund/keith-willey) From a historical funding record - **Apr 2009** Seed **Amount undisclosed** *1 new* [Seedcamp](https://millionrounds.com/fund/seedcamp) From a historical funding record ## Funding filed with regulators Patients Know Best filed 3 raises, $13M in all. Filings say how much was sold and to how many investors; they never name the investors. - Aug 2025 **$6.1M** UK share allotment - Nov 2023 **$1.8M** UK share allotment - Oct 2021 **$4.6M** UK share allotment ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Seed** 2009 **Seed** 2010 **Grant** 2011 **Venture** 2014 **Venture** 2015 **Round** 2021 **Round** 2023 **Round** 2025 [Maxfield Capital](https://millionrounds.com/fund/maxfield-capital) [Seedcamp](https://millionrounds.com/fund/seedcamp) [Balderton Capital](https://millionrounds.com/fund/balderton-capital) [Keith Willey](https://millionrounds.com/fund/keith-willey) [UnLtd](https://millionrounds.com/fund/unltd) ## Everyone who backed them [Maxfield Capital](https://millionrounds.com/fund/maxfield-capital) VC firm **2** rounds [Seedcamp](https://millionrounds.com/fund/seedcamp) VC firm **1** round [Balderton Capital](https://millionrounds.com/fund/balderton-capital) VC firm **1** round [Keith Willey](https://millionrounds.com/fund/keith-willey) Angel **1** round [UnLtd](https://millionrounds.com/fund/unltd) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=patients-know-best). ## Quick answers about Patients Know Best ### Who invested in Patients Know Best? Patients Know Best's investors include Maxfield Capital, Seedcamp, Balderton Capital, Keith Willey and UnLtd. ### How much has Patients Know Best raised? Patients Know Best has raised $19M across 8 rounds since 2009. One round did not disclose an amount, so the total is a floor. ### When did Patients Know Best last raise? Patients Know Best's most recent round, $6.1M, was in Aug 2025. ### What was Patients Know Best's biggest round? Its most recent round, $6.1M in Aug 2025, is also its largest on record. ### Who backed Patients Know Best first? Patients Know Best's first round on record, in Apr 2009, was backed by Seedcamp. ### What stage is Patients Know Best at? Patients Know Best's latest named round is a Venture, in Dec 2015. ### Where is Patients Know Best based? Patients Know Best is based in the United Kingdom. ## Companies like Patients Know Best In the same sector, and raised in the last eighteen months. [**Coherence Neuro** $55M · Oct 2026](https://millionrounds.com/company/coherence-neuro)[**XRlabs** $8.4M · Oct 2026](https://millionrounds.com/company/xrlabs)[**CMR Surgical** $1.1B · Oct 2026](https://millionrounds.com/company/cmr-surgical)[**MintNeuro** $26M · Oct 2026](https://millionrounds.com/company/mintneuro)[**52North** $4.3M · Sept 2026](https://millionrounds.com/company/52north)[**RHYTHM AI** $23M · Sept 2026](https://millionrounds.com/company/rhythm-ai) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app