Company · Stevenage
Cornerstone Fire Systems Limited
Electrical installation
Official record Companies House · updated 27th September 2026 · Sources
Network
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Who leads it
Previous officers 5
- Stephen Christopher Neville 2015-2020 View profile
- Terence James Hailes 1997-2026 View profile
- John William Butt 1997-1999 View profile
- Peter Arthur Boorman 1999-2015 View profile
- Jeffrey Steven Neil 1997-2004 View profile
Directors and secretaries as filed at Companies House.
Do you help lead this organisation? Set up its network · How it works
About
- What it does
- Electrical installation
- Incorporated
- 17/12/1996
- Registered office
- Stevenage
- Previous names
- Triangle Integrated Services Limited (until 01/08/2017)
Ownership
Owned by (2) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.
- Richard Langshaw ceased 2021-12-23
significant influence · notified 2016-06-30 - Cornerstone Security Group (UK) LTD
75-100% shares, 75-100% voting · notified 2021-12-23
Group
- Cornerstone Fire Systems Limited
is controlled by Richard Langshaw
Evidence
ceased significant influence · notified 2016-06-30, ceased 2021-12-23 · source: Companies House PSC register
Ultimately controlled by Richard Langshaw.
8 other companies in this group
Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.
Financials
- Net assets
- £237,290
- Total assets
- £237,290
- Cash
- £57,568
- Employees
- 18
- Turnover
- Not reported (small or micro-entity accounts)
Figures from accounts filed at Companies House (iXBRL), period ending 2025-08-31. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.
Board analysis
Board DNA
How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.
2 directors on the board
- Justin Paul Cooper Director · appointed 2019
- Richard Langshaw Director · appointed 2015
Directors past 6 years
- Justin Paul Cooper Director · appointed 2019
- Richard Langshaw Director · appointed 2015
First-time vs portfolio directors
Portfolio (2)
- Justin Paul Cooper Director · appointed 2019
- Richard Langshaw Director · appointed 2015
Left in the last 12 months
- Terence James Hailes Director · appointed 1997 · resigned 2026
Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.
The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.
Gaps to watch
- Several long-serving directors could step down together
Where to look Suggested search: succession planning for long-tenured seats.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 03293140
- Status
- Active
- Type
- Private Limited Company
- Accounts next due
- 31/05/2027
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
Contains public sector information licensed under the Open Government Licence v3.0. Report an issue · How we handle data