08983823 · Active · incorporated 12 years, 6 months ago · London
Medtech Biotech & Life Sciences Deep Tech Healthcare Medical Devices Series A
MediSieve develops a blood filtration system using nanoengineered magnetic particles to remove magnetic targets from a patient's blood.
Medisieve Ltd is a private limited company registered at Companies House under number 08983823, incorporated on 8 April 2014, with a registered office in London. Its current status on the register is active. Its filed nature of business is other research and experimental development on natural sciences and engineering (SIC 72190). Sonde has indexed 72 filings for this company, including 4 funding rounds. Its most recent round closed in June 2025, raising £2.3m.
| Round | Closed | Raised | Price per share |
|---|---|---|---|
| Round 4 | Jun 2025 | £2.3m | £2.63 |
| Round 3 | May 2021 | £1.8m | £19.62 |
| Round 2 | Dec 2017 | £2m | £13.40 |
| Round 1 | Aug 2015 | £351k | £10.00 |
Showing the 11 most recent of 72 filings.
See the complete cap table with every shareholder, founder tags, dilution across 20 share allotments, round-by-round fundraising history, and the full filing timeline — parsed from official Companies House documents.
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