CONSTANT SECURITY SERVICES LIMITED
Company number 01933481 · Active · Mexborough S64 9HU
CONSTANT SECURITY SERVICES LIMITED is an active private limited company (company number 01933481) incorporated on 25 July 1985, registered in Mexborough. Its registered activity is private security activities (SIC 80100). Latest full accounts cover the period ending 31 December 2025, showing net assets of £2.36m and cash of £1.92m, with 881 employees on average. Net assets rose 10% on the prior period (£2.14m). Across the last 3 periods on record the net-asset trend is rising.
By net assets it sits in the top quarter of 141 comparable companies in Sheffield (median £1,996, upper quartile £18k).
Key dates
- Incorporated
- 25 July 1985
- Next accounts due
- 30 September 2027 — in 345 days
- Confirmation statement due
- 8 August 2027 — in 292 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 80100
- Private security activities
- Accounts type
- Full
- Size band
- Small (Companies Act thresholds)
Financials — 4 periods on record, latest ending 31 December 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £2.36m | £1.92m | £4.49m | £4.16m | — | £421k | 881 |
| 31 December 2024 | £2.14m | £1.51m | £4.38m | £3.77m | — | £417k | 810 |
| 31 July 2023 | £2.01m | £1.12m | £4.24m | £3.41m | — | £273k | 808 |
| 31 July 2022 | — | — | — | — | — | — | — |
- Current ratio
- 1.54 — comfortable
- Cash per employee
- £2,176
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 93/100 (grade A)
- +10 Positive net assets — Net assets £2,363,528 at 2025-12-31
- +8 Net assets growing — +10.3% vs prior period
- +8 Comfortable liquidity — Current ratio 1.54
- +4 Cash reserves — Cash £1,916,812
- +5 Multi-year filing history — 4 periods on record
- +8 Established — Incorporated 1985-07-25 (41 years)
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
- Mr Michael Lee — owns 25–50% of shares; holds 25–50% of voting rights; can appoint or remove directors; has significant influence or control · since 6 April 2016
- Mrs Christine Joan Lee — owns 25–50% of shares; holds 25–50% of voting rights; can appoint or remove directors; has significant influence or control · since 6 April 2016
- Mr Adam Lee — has significant influence or control · since 28 October 2020
- Mrs Sarah Hill — has significant influence or control · since 28 October 2020
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in Sheffield
Same activity (private security activities), closest in incorporation date.
- MICRO ALARMS LIMITED — Doncaster, inc. Oct 1995
- RIBER SECURITY AND INVESTIGATIONS LIMITED — Chesterfield, inc. Mar 1973
- SOUTH BANK ALARMS LTD — Grimsby, inc. Mar 1999
- GENIAL LIMITED — Sheffield, inc. Aug 2001
- MINSHALL SECURITY LTD — Brigg, inc. Sept 2002
- 1ST SECURITY SOLUTIONS LIMITED — Doncaster, inc. Oct 2004
Reminders for CONSTANT SECURITY SERVICES LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.