# Alpha Laboratories Limited

## Details

- **Company number:** [01215816](https://find-and-update.company-information.service.gov.uk/company/01215816)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 12 Jun 1975
- **Registered office:** 10-11 CHARTERHOUSE SQUARE, LONDON, EC1M 6EE
- **Nature of business:** [46180](/sic/46180) Agents specialised in the sale of other particular products
- **Corporate group:** [Diploma PLC](/group/11838) (73 companies)




## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Mrs Anne Marie Giles | ownership-of-shares-50-to-75-percent | 6 Apr 2016 | 16 Jan 2018 |
| Mrs Anne Marie Giles | ownership-of-shares-50-to-75-percent | 16 Jan 2019 | 18 Dec 2024 |
| Ms Talia Louise Giles | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 18 Dec 2024 | 7 Jul 2025 |
| Nathan Scott Giles | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 18 Dec 2024 | 7 Jul 2025 |
| Diploma Uk Holding Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 7 Jul 2025 |  |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 30 Sep 2025 | £29,775,820 | £5,025,815 | 1 |
| 31 Dec 2024 | £28,887,514 | £24,053,063 | 71 |



## Owned by

Alpha Laboratories Limited → [Diploma UK Holdings Limited](/company/02050821) → [Diploma Holdings PLC](/company/00256111) → [Diploma PLC](/company/03899848)





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