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SG

Sentinel Gas Systems Ltd

UK public-sector supplier
SME

Sentinel Gas Systems Ltd specializes in compressed gas systems solutions, including design, manufacturing, installation, and maintenance services. They have over 30 years of experience in the industry and operate from Coventry, serving clients across the UK and EU.

sentinel-gas.com ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£353k
Live
3
Buyers
3
12m
—
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities1
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts3 / 4
  • Top buyers3
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Sentinel Gas Systems LtdUpdated 20 Jul 2026

At a glance · for buyers and watchdogs

Sentinel Gas Systems Ltd has won £353k across 3 public-sector buyers, with 3 live contracts.

Why: top buyer Devon County Council at 91% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
No CH recordCompany status
3 of 4Live contracts
91%Top-buyer concentration
—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.

◐ From website & notices
Sectors served · 1/8
Central government✓
Local government✓
NHS & health✓
Housing✓
Utilities & energy✓
Financial services✓
Education✓
Defence✓
Services · 6
Written Scheme Of ExaminationEnsure equipment longevity and safety with our meticulously developed Written Scheme of Examination. ↗Mass Spectrometer TestingExperience cutting-edge precision and use state-of-the-art technology with our Mass Spectrometer Helium Leak Detector Testing. ↗Orbital WeldingEnhance welded joint precision and integrity with our advanced Orbital Welding services. ↗Ultra-High Purity SystemsSpecializes in ultra-high purity systems for critical applications, ensuring minimal contaminants. ↗Inhouse Fabrication CleanroomExperience precision within our ISO 6 Cleanroom tailored for the Semiconductor, Pharmaceutical and Research Sectors. ↗Emergency Response ServiceOur experienced team ensures rapid and effective solutions, prioritizing safety and minimizing downtime in critical situations. ↗
Frameworks & DPS · 1 from notices
  • CP2549-24: Devon and Somerset Standing List of Approved Contractors (SLoAC) 2025Devon County Council · £323k

Extracted automatically from sentinel-gas.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.

⚑ 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 · 1

Credentials listed on the supplier’s website. Not yet checked against issuer registers.

◐ From supplier website
Core credentials · 0/6
Cyber EssentialsNot evidenced✓
Cyber Essentials PlusNot evidenced✓
ISO 27001 — Information securityNot evidenced✓
ISO 9001 — QualityNot evidenced✓
ISO 14001 — EnvironmentalNot evidenced✓
ISO 45001 — Health & safetyNot evidenced✓
Other credentials & memberships · 1
British Compressed Gases Associationmembership ↗

Extracted automatically from sentinel-gas.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.

✓ 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 · 3 live · 1 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
CP2549-24: Devon and Somerset Standing List of Approved Contractors (SLoAC) 2025
Devon County Council4500000014 Apr 2025£323k4 yrsLive
Supply and Installation of Ammonia G90 Asecos Gas Cabinet
THE UNIVERSITY OF BIRMINGHAM3800000025 Oct 2023£30k1 moClosed
CP2549-24: Devon and Somerset Standing List of Approved Contractors (SLoAC) 2025
Devon County Council50000000———Live
UOECS0562272026
UNIVERSITY OF EXETER————Live
Total live value £323k · mean award £88k

Top buyers · 3 buyers · top 3 = 100%

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

✓ From notices
1
Devon County Council
2 contracts
91%
since 2025
2
THE UNIVERSITY OF BIRMINGHAM
1 contract
9%
since 2023
3
UNIVERSITY OF EXETER
1 contract
0%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
South West3 contracts
91%
West Midlands1 contract
9%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Sentinel Gas Systems Ltd highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
TC
Topcoat Construction Limited / TCL Group
Yes£67.6m2
IW
Ian Williams
No£67.6m2
WH
Westone Housing
Yes£67.6m2
ER
EQUANS Regeneration Limited
No£67.6m2
CH
C Hanlon Facilities Management Ltd
Yes£67.6m2
SG
Sentinel Gas Systems Ltd
Yes——
Compare peers →

Red flags · 0 active

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

✓ Verified
No Companies House record linked — automated risk checks unavailable.

Compliance scorecard

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

↔ Cross-checked
No Companies House record linked — statutory compliance checks unavailable.

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

Registered details, directors and PSC.

✓ Live sync
🏛

No Companies House record linked

A Companies House number is on file but the record has not been synced yet.

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
—
09152415 · this company

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