£2.90m
+3%vs Dec 2024Active07367704Private limited companyDoncaster
BLACK DIAMOND SECURITY LTD
Significant control: Black Diamond Group Limited (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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Registered activity: Private security activities (SIC 80100). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
BLACK DIAMOND SECURITY LTD is an active private limited company (company number 07367704) incorporated on 7 September 2010, registered in Doncaster. Its registered activity is private security activities (SIC 80100). Latest small accounts cover the period ending 31 December 2025, showing net assets of £2.90m and cash of £1.20m, with 87 employees on average. Net assets rose 3% on the prior period (£2.81m). Across the last 3 periods on record the net-asset trend is rising.
Peer position · net assets
By net assets it sits in the top quarter of 141 comparable companies in Sheffield (median £1,996, upper quartile £18k).
02
Ownership and control
- Black Diamond Group Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr Ian John Williamson Logie Raeburn
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Martin William Hawley
- owns 25–50% of shares
- holds 25–50% of voting rights
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 7 September 201016 yrs ago
- Next accounts due
- 30 September 2027in 342 days
- Confirmation statement due
- 21 September 2027in 333 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 80100
- Private security activities
- Accounts type
- Total Exemption Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£1.20m
−14%vs Dec 2024Not reported
87
+5%vs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £2.90m | £1.20m | £1.45m | — | — | — | 87 |
| 31 December 2024 | £2.81m | £1.40m | £1.75m | — | — | — | 83 |
| 31 December 2023 | £2.38m | £1.12m | £1.41m | — | — | — | 68 |
Cash per employee£14kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £2,898,396 at 31 December 2025
- Cash at bank of £50,000 or moreCash £1,204,944
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 7 September 2010
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Next accounts duein 342 days
- Confirmation statement duein 333 days
- Accounts period endNet assets £2.90m · small accounts
- Accounts period endNet assets £2.81m · small accounts
- Accounts period endNet assets £2.38m · small accounts
- Incorporated
08
Similar companies in Sheffield
- G8 SECURITY LTDSheffield · inc. Aug 2010
- SIS-7 LTDChesterfield · inc. Jun 2010
- FRONTIER SECURITY (UK) LIMITEDScunthorpe · inc. Jun 2009
- SCAFF SECURITY ALARMS LIMITEDSheffield · inc. Apr 2009
- SUNWIN SERVICES GROUP (2010) LIMITEDRotherham · inc. Feb 2012
- CORPORATE SERVICES GROUP LTDDoncaster · inc. Apr 2009
All companies incorporated on 7 September 2010 · in Sept 2010.
09
Reminders for BLACK DIAMOND SECURITY LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.