CONSTANT SECURITY SERVICES LIMITED
Company number 01933481 · Monitor this company
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Shareholders' funds
£2,363,528
Balance sheet as at 2025-12-31
What it does
The principal activity of the company continued to be that of security services.
The company's own description, from its latest filed accounts.
Overview
- Company type
- Private Limited Company
- Incorporated
- 1985-07-25
- Employees
- 881 (2025 accounts · was 810 in 2024)
- Registered office
- Constant House, Cliff Street, Mexborough, South Yorkshire, S64 9HU
- Postcode
- S64 9HU
- Capital
- 25,110 GBP
- Accounts category
- Full
- Charges
- 3 outstanding
Accounts
- Last made up to
- 2025-12-31
- Next due by
- 2027-09-30
- Financial year end
- 31 December
Confirmation statement
- Last statement dated
- 2026-07-31
- Next due by
- 2027-08-14
Nature of business (SIC)
- 80100 Private security activities
Officers 7 current
Public contracts won 8
£11,789,733 total awarded value where published.
Showing the 5 most recent of 8.
Contains public sector information licensed under the Open Government Licence v3.0 (Contracts Finder).
Data protection registration
Registered with the ICO as a data protection fee payer — Z9176225 (Tier 2), registered since 2005.
Information Commissioner's Office register of fee payers, licensed under the Open Government Licence.
Gender pay gap
1.69%
Women's median hourly pay above men's, 2025/26 · in the top quarter for parity
Previous company names
| Name | Date changed |
|---|---|
| C.S.S. (NORTH) LIMITED | 1992-03-23 |
Previous registered addresses 1
| Address | Changed on |
|---|---|
| 1 CLIFF STREET, MEXBOROUGH, SOUTH YORKSHIRE, S64 9HU | 2010-09-10 |
Among its peers
Top 5%
by shareholders' funds, of 90 similar companies in S
The largest employer among its local peers (881 staff).
2nd oldest of its local peers, trading since 1985.
No.1 of the largest private security activities companies in Sheffield →
Competitors Sheffield
This company ranks 1 among private security activities in Sheffield.
The class of 1985
49%
of the 15,386 companies incorporated in 1985 are still active today; 42% have since been dissolved.
A fact about the year, not a forecast for this company.