13304359 · Active · incorporated 5 years, 6 months ago · Guildford
Biotech AI Biotech & Life Sciences Deep Tech Series B+
Portal Biotech develops single-molecule proteomics technology, including a full-length single-molecule protein sequencer.
https://www.portalbiotech.com/
Portal Biotech Limited is a private limited company registered at Companies House under number 13304359, incorporated on 30 March 2021, with a registered office in Guildford, Surrey. Its current status on the register is active. Its filed nature of business is research and experimental development on biotechnology (SIC 72110). Sonde has indexed 49 filings for this company, including 3 funding rounds. Its most recent round closed in April 2025, raising £17.9m.
| Round | Closed | Raised | Price per share |
|---|---|---|---|
| Round 3 | Apr 2025 | £17.9m | £133.20 |
| Round 2 | Jul 2022 | £8.2m | £121.00 |
| Round 1 | Jul 2021 | £500k | £33.33 |
Showing the 10 most recent of 49 filings.
See the complete cap table with every shareholder, founder tags, dilution across 6 share allotments, round-by-round fundraising history, and the full filing timeline — parsed from official Companies House documents.
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