# Brill Power funding: rounds and investors > Brill Power has raised $19M across 4 rounds since 2022. Investors include Oxford Science Enterprises. Every round with its source. Source: https://millionrounds.com/company/brill-power (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Series A startup](https://millionrounds.com/companies) # Who invested in *Brill Power* 4 rounds we have observed, with the one investor 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. Energy Raised 12 months ago Funding summary Updated 26 Oct 2026 **$19M** raised across 4 rounds since 2022, from 4 sources **$11M** Series A **$3.6M** Round **$3.9M** Round **$655K** Round - **Latest round:** Round, $655K Oct 2025 - **Biggest round:** $11M Series A · Jul 2022 - **Investors:** 1 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. 2023 2024 2025 **$11M** Series A **$3.6M** Round **$3.9M** Round **$655K** Round - **First round:** Series A, $11M - **Biggest round:** $11M - **Usual gap between rounds:** 12 months ## The rounds - **Oct 2025** Round **$655K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Aug 2025** Round **$3.9M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Jul 2023** Round **$3.6M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Jul 2022** Series A **$11M** *1 new* [Oxford Science Enterprises](https://millionrounds.com/fund/oxford-science-enterprises) Source recorded ## Funding filed with regulators Brill Power filed 3 raises, $8.1M in all. Filings say how much was sold and to how many investors; they never name the investors. - Oct 2025 **$655K** UK share allotment - Aug 2025 **$3.9M** UK share allotment - Jul 2023 **$3.6M** UK share allotment ## Founders and team From Brill Power's own website: 2 founders, 1 on the team. **Christoph Birkl PhD** CEO and Co-Founder **Damien Frost PhD** CTO and Co-Founder - **Peter Freedman** Chief Commercial Officer Advisers *Professor David Howey* ## Everyone who backed them [Oxford Science Enterprises](https://millionrounds.com/fund/oxford-science-enterprises) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=brill-power). ## Quick answers about Brill Power ### Who invested in Brill Power? Brill Power's investors include Oxford Science Enterprises. ### How much has Brill Power raised? Brill Power has raised $19M across 4 rounds since 2022. ### When did Brill Power last raise? Brill Power's most recent round, $655K, was in Oct 2025. ### What was Brill Power's biggest round? Brill Power's largest round on record is $11M (Series A), in Jul 2022. ### Who backed Brill Power first? Brill Power's first round on record, in Jul 2022, was backed by Oxford Science Enterprises. ### What stage is Brill Power at? Brill Power's latest named round is a Series A, in Jul 2022. ### Where is Brill Power based? Brill Power is based in the United Kingdom. ## Companies like Brill Power In the same sector, and raised in the last eighteen months. [**novosound** $8.7M · Sept 2026](https://millionrounds.com/company/novosound)[**Metris Energy** $7.5M · Sept 2026](https://millionrounds.com/company/metris-energy)[**AcouBatt** $3.0M · Sept 2026](https://millionrounds.com/company/acoubatt)[**SolarSub** $1.8M · Sept 2026](https://millionrounds.com/company/solarsub)[**Nyobolt** $155M · Aug 2026](https://millionrounds.com/company/nyobolt)[**Breathe Battery Technologies** $132M · Aug 2026](https://millionrounds.com/company/breathe-battery-technologies) ## 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