# Security Design & Development Limited

## Details

- **Company number:** [02515202](https://find-and-update.company-information.service.gov.uk/company/02515202)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 25 Jun 1990
- **Registered office:** RADIUS HOUSE FIRST FLOOR, 51 CLARENDON ROAD, WATFORD, WD17 1HP
- **Nature of business:** [82990](/sic/82990) Other business support service activities n.e.c.


## Previous names

- Defence Research & Developments Limited (until 19 Sep 1990)




## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Mr John Ingledow | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 6 Apr 2016 | 6 Dec 2017 |
| Donald James Syme | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 6 Apr 2016 | 13 Aug 2026 |
| Matthew Charles Dean | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 6 Apr 2016 |  |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 31 Dec 2025 | £16,745 | - | 4 |
| 31 Dec 2024 | £13,605 | - | 4 |
| 31 Dec 2023 | £30,825 | - | 4 |
| 31 Dec 2022 | £37,458 | - | 3 |
| 31 Dec 2021 | £31,364 | - | 3 |
| 31 Dec 2020 | £23,647 | - | 3 |
| 31 Dec 2019 | £48,180 | - | - |
| 31 Dec 2018 | £56,846 | - | - |
| 31 Dec 2017 | £55,794 | - | - |
| 31 Dec 2016 | £51,780 | - | - |
| 31 Dec 2015 | - | £34,946 | - |
| 31 Dec 2014 | - | £34,270 | - |






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