# Caristo Diagnostics Limited

## Details

- **Company number:** [11429590](https://find-and-update.company-information.service.gov.uk/company/11429590)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 22 Jun 2018
- **Registered office:** NEW BARCLAY HOUSE, 234 BOTLEY ROAD, OXFORD, OX2 0HP
- **Nature of business:** [86220](/sic/86220) Specialists medical practice activities
- **Corporate group:** [GMV Nominees Ltd](/group/4) (48432 companies)


## Previous names

- Caristo Technologies Limited (until 9 Jul 2018)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| DEITSCH, Stephen Matthew | director | 1 Apr 2026 |  |
| MIDDLETON, William James | director | 19 Dec 2025 |  |
| SAINZ, Maria | director | 24 Jun 2025 |  |
| REA, Timothy Shan | director | 2 Apr 2025 |  |
| CHAMAS, Liliane, Doctor | director | 17 Jan 2025 |  |
| ANTONIADES, Charalambos | director | 26 Jul 2018 |  |
| FROHN, Matthew Gerard Winston | director | 22 Jun 2018 |  |
| LUSSIER, Michel Joseph | director | 19 Dec 2025 | 30 Jun 2026 |
| CHENG, Frank Jun | director | 6 Feb 2023 | 1 Apr 2026 |
| NEUBAUER, Stefan | director | 26 Jul 2018 | 19 Dec 2025 |
| CHANNON, Keith Michael, Professor | director | 26 Jul 2018 | 19 Dec 2025 |
| DOWNING, Ian | director | 19 Jan 2022 | 2 Apr 2025 |
| MUDUROGLU, Oran Efruz | director | 29 Jun 2021 | 1 Apr 2025 |
| ROXBOROUGH, Heather Elaine | director | 28 Feb 2023 | 17 Jan 2025 |
| ZERVOGLOS, Charalambos Alexis | director | 26 Nov 2020 | 28 Feb 2023 |
| SHIRODARIA, Cheerag Champak, Dr | director | 26 Jul 2018 | 31 Dec 2022 |
| REA, Timothy Shan | director | 26 Nov 2020 | 19 Jan 2022 |
| MIDDLETON, William James | director | 26 Jul 2018 | 26 Nov 2020 |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Oxford Science Enterprises Holdings Limited | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 31 Mar 2025 |  |
| Oxford Science Enterprises Plc | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 5 Apr 2023 | 31 Mar 2025 |
| Mr Charalambos Antoniades | ownership-of-shares-25-to-50-percent | 20 Jul 2018 | 26 Jul 2018 |
| Athanasia Karydi | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 22 Jun 2018 | 20 Jul 2018 |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 31 Dec 2025 | £2,386,795 | £3,111,351 | 42 |
| 31 Dec 2022 | £2,637,242 | £2,216,527 | 21 |
| 30 Jun 2021 | £6,530,414 | £6,545,403 | 14 |
| 30 Jun 2020 | £375,941 | £290,803 | 8 |
| 30 Jun 2019 | £1,174,653 | £1,174,705 | 8 |



## Owned by

Caristo Diagnostics Limited → [Oxford Science Enterprises Holdings Limited](/company/13564426) → [Oxford Science Enterprises PLC](/company/09093331)




## Directors' other companies

- [FROHN, Matthew Gerard Winston](/person/5654044) - director at [Oxsonics Limited](/company/08595647)
- [FROHN, Matthew Gerard Winston](/person/5654044) - director at [Longwall Ventures 4 Ecf (Gp) Member Limited](/company/17032832)
- [FROHN, Matthew Gerard Winston](/person/5654044) - director at [Longwall Ventures 3 Ecf (Gp) Member Limited](/company/10950274)
- [FROHN, Matthew Gerard Winston](/person/5654044) - llp-designated-member at [Longwall Ventures 3 Ecf (Gp) LLP](/company/OC418894)
- [FROHN, Matthew Gerard Winston](/person/5654044) - director at [Longwall Ventures 3 Ecf (Nominee) Limited](/company/10959504)
- [FROHN, Matthew Gerard Winston](/person/5654044) - llp-designated-member at [Longwall Ventures 3 Ecf (Fp) LLP](/company/OC418871)
- [REA, Timothy Shan](/person/6693519) - director at [Cyted Ltd](/company/11478299)



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