At a glance · for buyers and watchdogs
Constant Security Services has won £3.0bn across 23 public-sector buyers, with 14 live contracts. No active Companies House risk flags.
Why: top buyer Trafford College at 100% · 100% in Business services · 0 active risk flags · 0 modifications.
ESG & policies vault · 0/5
Key governance & sustainability policies. Published documents link out; missing ones are greyed.
Capabilities
What this supplier does, where they sit, who they sell to.
Extracted automatically from constant-services.com on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.
Case studies
Delivery stories the supplier has published, with sector and outcome.
No case studies yet
Once a claimed supplier publishes delivery stories — the buyer, the sector, what was delivered and the outcome — they appear here.
Buyer references
Named public-sector contacts who have agreed to act as a reference.
No buyer references yet
Public-sector buyers can confirm they'll act as a reference for this supplier. Confirmed references — with the contract they relate to — show here.
Accreditations & memberships · 4
Credentials listed on the supplier’s website. Not yet checked against issuer registers.
Extracted automatically from constant-services.com on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.
KPI performance
Delivery, budget and satisfaction scores reported quarterly by buyers.
No verified KPI scores yet
Once buyers report contract KPIs — delivery on time, on budget, satisfaction, adoption and accessibility — a weighted grade and breakdown appear here.
Contracts · 14 live · 17 historic
Pulled from Contracts Finder & Find a Tender. Most recent first.
| Title | Buyer | CPV | Awarded | Value | Term | Status |
|---|---|---|---|---|---|---|
| University of Chester | 79710000 | 01 Apr 2026 | £1.5m | 2 yrs | Live | |
| South Tyneside Borough Council | — | 01 Apr 2026 | £123k | 3 yrs | pending | |
| TEC Partnership | 75241000 | 01 Mar 2026 | — | 2 yrs | Live | |
| TEC Partnership | — | 16 May 2026 | £588k | 2 yrs | pending | |
| Royal Northern College of Music | 79710000 | 01 Dec 2025 | £73k | 2 yrs | Live | |
| Sheffield Hallam University | 79710000 | 01 Apr 2025 | £5.2m | 4 yrs | Live | |
| Southport College | 79710000 | 25 Oct 2024 | £495k | 3 yrs | Live | |
| Sheffield City Council | 79710000 | 01 Feb 2024 | — | 4 yrs | Live | |
| City of Doncaster Council | 79710000 | 01 Sept 2023 | £91k | 7 mo | Closed | |
| Rotherham Metropolitan Borough Council | 75241000 | 21 Aug 2023 | £78k | 4.1 yrs | Live |
Top buyers · 23 buyers · top 3 = 100%
Share of awarded value. Concentration fires above 40% for any single buyer.
Category mix
CPV-division share of last-12m awarded value. Single-category exposure: 100%.
Geography
Distribution of awarded value by buyer region.
Peers
Suppliers with overlapping CPVs & buyers (last 24m). Constant Security Services highlighted.
| Supplier | SME? | Awarded · 24m | Contracts |
|---|---|---|---|
| No | £119.1m | 1 | |
| No | £6.9m | 1 | |
| Yes | £5.1m | 1 | |
| No | £4.4m | 1 | |
| No | £3.2m | 4 | |
CS Constant Security Services | No | £2.3m | — |
Red flags · 0 active
Automated scan of Companies House status, charges and insolvency records.
Compliance scorecard
Derived from Companies House filings — not a full supplier-assurance check.
Modifications
Variations to awarded contracts logged under Procurement Act 2023 s.74.
No modifications recorded
No published contract variations for this supplier. Modification notices appear here as they are issued under the Procurement Act 2023.
News mentions
UK trade press & nationals, matched to this supplier.
No news mentions found
We haven't matched any recent UK press coverage to this supplier. Mentions appear here automatically as they're published.
Companies House
Live sync — registered details, directors, PSC and SIC codes.
Registered details
- Company no.
- 01933481
- Status
- Active
- Type
- Private limited
- Incorporated
- 25 Jul 1985
- Reg. office
- Constant House, Cliff Street, Mexborough, South Yorkshire, S64 9HU
- SIC codes
- 80100
- Last accounts
- 31 Dec 2025
- Next accounts due
- 30 Sept 2027
Directors & PSC
- LEE, Christine Joan — secretary
- LEE, Christine Joan — director
- LEE, Michael — director
- HILL, Sarah — directorAppointed 28 Oct 2020
- LEE, Adam Michael — directorAppointed 28 Oct 2020
- Mrs Sarah Hill — person with significant controlsignificant influence or control
- Mr Adam Lee — person with significant controlsignificant influence or control
- Mr Michael Lee — person with significant controlownership of shares 25 to 50 percent · voting rights 25 to 50 percent · right to appoint and remove directors · significant influence or control
- Mrs Christine Joan Lee — person with significant controlownership of shares 25 to 50 percent · voting rights 25 to 50 percent · right to appoint and remove directors · significant influence or control
Financial
Filed accounts from Companies House.
No financial filings on record
Turnover, profit and headcount appear here once audited or micro-entity accounts are filed at Companies House.
Org tree
Group structure and ownership.
Independent. No parent company or subsidiaries recorded at Companies House for this entity.
Social value
Commitments mapped to the Government Social Value Model themes.
No social-value commitments yet
Jobs, skills, environmental, inequality and community commitments appear here once a claimed supplier attributes them to awarded contracts, or once we detect them on the supplier’s website.