PERSONALIS (UK) LIMITED
Company details
- Registered name
- PERSONALIS (UK) LIMITED
- Company number
- 08643733
- Registered office
- 4TH FLOOR, ST. JAMES HOUSE, ST. JAMES SQUARE, CHELTENHAM, GL50 3PR, ENGLAND · 306 other companies at this postcode
- Company type
- Private Limited Company
- Incorporated on
- 8 August 2013
- Status
- Active
- Age
- 13 years
- Nature of business (SIC)
- 72110 — Research and experimental development on biotechnology
- Accounts — next due
- 30 Sept 2026
- Accounts — last made up to
- 31 Dec 2024
- Confirmation statement — next due
- 22 Aug 2026
- Confirmation statement — last
- 08 Aug 2025
What the register says
Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.
- The confirmation statement was due on 22 August 2026 (22 days overdue).
- 120 companies are registered at this address — commonly a formation agent or an accountant rather than an office.
Companies House register snapshot, read 02/09/2026.
People with significant control
Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors
Corporate structure
Who controls this company, and who they control in turn
Connections
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 31/12/2022 | Person with significant control ceased | Mr John West | — |
| 31/12/2022 | Person with significant control added | — | Personalis Inc |
| 03/10/2022 | Person with significant control ceased | Carol Tillis | — |
| 06/04/2016 | Person with significant control added | — | Mr John West |
| 06/04/2016 | Person with significant control added | — | Carol Tillis |
Documents for PERSONALIS (UK) LIMITED
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The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.
Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Data protection register
No entry found on the ICO register of fee payers under this name.
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About PERSONALIS (UK) LIMITED (08643733)
PERSONALIS (UK) LIMITED is a private limited company incorporated on 8 August 2013 and registered in the United Kingdom under company number 08643733. Its registered office is at 4TH FLOOR, ST. JAMES HOUSE, ST. JAMES SQUARE, CHELTENHAM, GL50 3PR, ENGLAND. The recorded nature of business is research and experimental development on biotechnology (SIC 72110). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Carol Tillis. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
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