Company
SY4Security Limited
SY4Security Limited is an active UK company (number 12360785), incorporated 2019, with 2 current directors, Keven Knight and Michael Brown. Source: Companies House, updated 4th October 2026.
Official record Companies House · updated 4th October 2026 · Sources
Network
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Who leads it
Previous officers 7
- Mercia Fund Management (Nominees) Limited 2025-2026 View profile
- Mercia Fund Management Limited 2025-2025 View profile
- Professor Madeline Carr 2022-2024 View profile
- Andrew Mark Bull Anderson 2021-2025 View profile
- William Schaffer 2021-2025 View profile
- Chris Schueler 2021-2025 View profile
- Richard John Haycocks 2021-2024 View profile
Directors and secretaries as filed at Companies House.
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About
- Incorporated
- 12/12/2019
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.
- Keven Knight
25-50% shares, 25-50% voting · notified 2019-12-12 - Michael Brown
25-50% shares, 25-50% voting · notified 2019-12-12 - confirmed: also a director of this company
Group
- SY4Security Limited
is controlled by Keven Knight
Evidence
active 25-50% shares, 25-50% voting · notified 2019-12-12 · source: Companies House PSC register
Ultimately controlled by Keven Knight.
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
- -£4,533,042
- Total assets
- £749,401
- Cash
- £710,427
- Employees
- 54
- Turnover
- Not reported (small or micro-entity accounts)
Filed as Abridged accounts (unaudited).
Figures from accounts filed at Companies House (iXBRL), period ending 2025-03-31. 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
- Keven Knight Director · appointed 2019
- Michael Brown Director · appointed 2019
Directors past 6 years
- Keven Knight Director · appointed 2019
- Michael Brown Director · appointed 2019
First-time vs portfolio directors
First-time (2)
- Keven Knight Director · appointed 2019
- Michael Brown Director · appointed 2019
Left in the last 12 months
- Andrew Mark Bull Anderson Director · appointed 2021 · resigned 2025
- Mercia Fund Management (Nominees) Limited Director · appointed 2025 · resigned 2026
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
- 12360785
- Status
- Active
- Type
- Private Limited Company
- Edition
- Register edition compiled 4th October 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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