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  4. STM GROUP (UK) LIMITED
SG

STM GROUP (UK) LIMITED

Business services · London
Large
stmsecurity.com ↗
Compare peers
Awarded
£25.2m
Live
11
Buyers
13
12m
£15.3m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities4
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts11 / 18
  • Top buyers13
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — STM GROUP (UK) LIMITEDUpdated 06 Jul 2026

At a glance · for buyers and watchdogs

STM GROUP (UK) LIMITED has won £25.2m across 13 public-sector buyers, with 11 live contracts. No active Companies House risk flags.

Why: top buyer Tyne and Wear Passenger Transport Executive T/A Nexus at 58% · 50% in Business services · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
11 of 18Live contracts
58%Top-buyer concentration
50%Category exposure
0Contract modifications
If you're a buyer:CapabilitiesReferencesKPIComplianceWatchdog?FlagsModificationsConcentrationNews

Social value

Commitments mapped to the Government Social Value Model themes.

⚑ Self-reported
—

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.

ESG & policies vault · 0/5

Key governance & sustainability policies. Published documents link out; missing ones are greyed.

↔ Cross-checked
Net-zero planNot provided✓
Modern slavery statementNot provided✓
EDI policyNot provided✓
Anti-briberyNot provided✓
Data protectionNot provided✓

Capabilities

What this supplier does, where they sit, who they sell to.

⚑ Self-reported & from notices

Service tags, sectors served and target geographies appear here once a supplier verifies ownership of this profile.

Frameworks & DPS · 4 from notices
  • NHS SBS SECURITY SERVICES, CCTV, AND VSS FRAMEWORKN H S Shared Business Services · £2.1m
  • Wareham Level Crossing - Provision of crossing attendantsDorset Council · £360k
  • EHRC 2122-05 Office Cleaning (Manchester)Equality and Human Rights Commission · £48k
  • Security at Elm HouseNorth West Ambulance Service N H S Trust · £0.01

Case studies

Delivery stories the supplier has published, with sector and outcome.

⚑ Self-reported
—

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.

✓ Confirmed by buyer
—

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

Independently issued. Verification dates cross-checked against issuer registers.

↔ Cross-checked
—

No accreditations recorded

B-Corp, ISO, Cyber Essentials, Living Wage and similar credentials appear here once added by a claimed supplier and cross-checked against the issuing register.

KPI performance

Delivery, budget and satisfaction scores reported quarterly by buyers.

✓ Verified
84

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 · 11 live · 7 historic

Pulled from Contracts Finder & Find a Tender. Most recent first.

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Security Services
Tyne and Wear Passenger Transport Executive T/A Nexus—01 Dec 2025£14.7m3 yrspending
Wareham Level Crossing - Provision of Crossing Attendants
Dorset Council7971000001 Oct 2025£659k5 yrsLive
NHS SBS SECURITY SERVICES, CCTV, AND VSS FRAMEWORK
N H S Shared Business Services7971000014 Oct 2024£2.1m4 yrsLive
002098 SECURITY GUARDING (SECURITY AND SAFETY OPERATIONS)
British Library Board7971000001 Jul 2023£7.0m7 yrsLive
North - West Cleaning Services
ACCENT HOUSING LIMITED9091000027 Jun 2022£24k4 yrsClosed
EHRC 2122-05 Office Cleaning (Manchester)
Equality and Human Rights Commission9091920011 Oct 2021£48k1.5 yrsClosed
Wareham Level Crossing - Provision of crossing attendants
Dorset Council6000000001 Aug 2021£360k3 yrsClosed
Security at Elm House
North West Ambulance Service N H S Trust7971000003 Aug 2020£0.016 moClosed
London and Quadrant Housing Trust - Manned Site Security Framework 2019 - 2023 - AWARD
L&Q Construction7971000014 Sept 2019£18k4 yrsClosed
Neighbourhood Wardens 2017
Barnet Homes Ltd7971000019 Sept 2017£300k4 yrsClosed
Total live value £9.7m · mean award £1.4m1–10 of 18

Top buyers · 13 buyers · top 3 = 94%

Share of awarded value. Concentration fires above 40% for any single buyer.

✓ From notices
1
Tyne and Wear Passenger Transport Executive T/A Nexus
1 contract
58%
since 2025
2
British Library Board
2 contracts
28%
since 2023
3
N H S Shared Business Services
1 contract
8%
since 2024
4
Dorset Council
3 contracts
4%
since 2021
5
Barnet Homes Ltd
1 contract
1%
since 2017
6
Equality and Human Rights Commission
1 contract
0%
since 2021
7
ACCENT HOUSING LIMITED
2 contracts
0%
since 2022
8
L&Q Construction
1 contract
0%
since 2019
9
North West Ambulance Service N H S Trust
1 contract
0%
since 2020
10
GOVIA THAMELINK RAILWAY LIMITED
1 contract
0%

Category mix

CPV-division share of last-12m awarded value. Single-category exposure: 50%.

✓ From notices
Business services79
50%
Administration services75
50%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
North East1 contract
64%
London7 contracts
32%
South West3 contracts
4%
North West2 contracts
0%
Yorkshire2 contracts
0%
Eastern1 contract
0%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). STM GROUP (UK) LIMITED highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
AM
Alexander Mann Solutions
No£19.0m3
SG
STM GROUP (UK) LIMITED
No£15.3m—
OG
OCS Group UK Limited
No£13.0m2
CC
CHURCHILL CONTRACT SERVICES LIMITED
No£4.1m1
TS
THE SUPPLY REGISTER LIMITED
No£3.5m1
2T
247 TRANSPORT SOLUTIONS LTD
Yes£3.0m3
Compare peers →

Red flags · 0 active

Automated scan of Companies House status, charges and insolvency records.

✓ Verified
✓ Clean. No active risk signals from Companies House status, charges or insolvency records.

Compliance scorecard

Derived from Companies House filings — not a full supplier-assurance check.

↔ Cross-checked
Trading status
Active
Live at Companies House
Annual accounts
Up to date
Last made up to 31 Aug 2025
Confirmation statement
Up to date
Next due 27 Feb 2027
Outstanding charges
0
No charges registered
Insolvency history
None
No insolvency cases registered
Certifications (ISO, Cyber Essentials, Living Wage, B-Corp, modern-slavery) are supplier self-reported and appear once a claimed profile adds them.

Modifications

Variations to awarded contracts logged under Procurement Act 2023 s.74.

✓ From notices
±

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.

✓ Live sync

Registered details

Company no.
05466873
Status
Active
Type
Private limited
Incorporated
28 May 2005
Reg. office
Solar House 1st Floor, Romford Road, London, E15 4LJ
SIC codes
80100
Last accounts
31 Aug 2025
Next accounts due
31 May 2027

Directors & PSC

  • SIMPSON, Perry Bernard — director
    Appointed 01 Nov 2008
  • Mr Perry Bernard Simpson — person with significant control
    ownership of shares 25 to 50 percent

Financial

Filed accounts from Companies House.

↔ From Cos 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.

↔ From Cos House
STM GROUP (UK) LIMITED
05466873 · this company

Independent. No parent company or subsidiaries recorded at Companies House for this entity.