# Cornerstone Fire Systems Limited

## Details

- **Company number:** [03293140](https://find-and-update.company-information.service.gov.uk/company/03293140)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 17 Dec 1996
- **Registered office:** BUILDING 16, GATEWAY 1000 WHITTLE WAY, ARLINGTON BUSINESS PARK, STEVENAGE, SG1 2FP
- **Nature of business:** [43210](/sic/43210) Electrical installation
- **Corporate group:** [Cornerstone Security Group (UK) Ltd](/group/59204) (5 companies)


## Previous names

- Triangle Integrated Services Limited (until 1 Aug 2017)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| LANGSHAW, Richard | director | 5 Mar 2015 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Mr Richard Langshaw | significant-influence-or-control | 30 Jun 2016 | 23 Dec 2021 |
| Cornerstone Security Group (Uk) Ltd | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent | 23 Dec 2021 |  |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 31 Aug 2025 | £237,290 | £57,568 | 19 |
| 31 Aug 2024 | £226,672 | £206,784 | 16 |
| 31 Aug 2023 | £215,433 | £40,830 | 18 |
| 31 Aug 2022 | £175,921 | £51,621 | 12 |
| 31 Aug 2021 | £172,272 | £75,578 | 13 |
| 31 Aug 2020 | £155,842 | £44,677 | 9 |
| 31 Aug 2019 | £129,894 | £264,120 | 5 |
| 31 Aug 2018 | £95,758 | £80,774 | 7 |
| 31 Aug 2016 | £56,556 | £44,547 | - |
| 31 Aug 2015 | - | £26,208 | - |
| 31 Dec 2014 | - | £27,892 | - |
| 31 Dec 2013 | - | £29,893 | - |



## Owned by

Cornerstone Fire Systems Limited → [Cornerstone Security Group (UK) Ltd](/company/09262097)




## Directors' other companies

- [LANGSHAW, Richard](/person/6893711) - director at [Cornerstone Investment Group Ltd](/company/14270877)
- [LANGSHAW, Richard](/person/6893711) - director at [Cornerstone Security Group (UK) Ltd](/company/09262097)
- [LANGSHAW, Richard](/person/6893711) - director at [Cornerstone Asset Protection Limited](/company/13558030)



## Companies at the same address

- [Cloud Security Storage Ltd](/company/06606121) (06606121)
- [Cornerstone Security Group (UK) Ltd](/company/09262097) (09262097)
- [Elite Integrated Security Ltd](/company/06571261) (06571261)
- [Triangle Integrated Services Limited](/company/10346484) (10346484)