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OV

Overclean Ltd

UK public-sector supplier
SME

Overclean Ltd specializes in ductwork cleaning and kitchen extract cleaning, providing services to maintain air quality and hygiene in ventilation systems. Established in 1984, they also offer risk assessments and disinfection services.

overclean.co.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£748k
Live
2
Buyers
6
12m
—
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities2
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts2 / 6
  • Top buyers6
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Overclean LtdUpdated 10 Aug 2026

At a glance · for buyers and watchdogs

Overclean Ltd has won £748k across 6 public-sector buyers, with 2 live contracts.

Why: top buyer UNIVERSITY OF WOLVERHAMPTON ENTERPRISE LIMITED at 80% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
No CH recordCompany status
2 of 6Live contracts
80%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
Services · 7
Ductwork CleaningCleaning of ventilation systems to maintain air quality and hygiene. ↗Kitchen Extract CleaningSpecialist cleaning of kitchen extract systems to prevent fire and hygiene risks. ↗Ventilation Risk AssessmentAssessing risks associated with ventilation systems. ↗Free Internal Surveys of Ventilation SystemsVisual inspections of ductwork using CCTV technology. ↗Air Hygiene Logs (AHL)Maintaining records of air hygiene requirements. ↗DisinfectionBiociding and disinfection services for ventilation systems. ↗Fire Smoke Damper Testing and InspectionTesting and inspecting fire smoke dampers for compliance and safety. ↗
Frameworks & DPS · 2 from notices
  • Duct Cleaning & Fire Damper TestingUNIVERSITY OF WOLVERHAMPTON ENTERPRISE LIMITED · £600k
  • HVAC Fire Damper Surveying & Maintenance Management ServicesFalmouth Exeter Plus · £51k

Extracted automatically from overclean.co.uk 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 · 8

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

◐ From supplier website
Core credentials · 1/6
Cyber EssentialsNot evidenced✓
Cyber Essentials PlusNot evidenced✓
ISO 27001 — Information securityNot evidenced✓
ISO 9001 — QualityISO✓
ISO 14001 — EnvironmentalNot evidenced✓
ISO 45001 — Health & safetyNot evidenced✓
Other credentials & memberships · 7
LPCB LPS 2084LPCB · Certification
SEDEX Ethical Auditsother
SSIP (Site Safety In Procurement)SMAS · membership
ConstructionlineConstructionline · membership
Safe ContractorSafeContractor · membership
CHASCHAS · membership
Avettamembership

Extracted automatically from overclean.co.uk 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 · 2 live · 4 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Fire Dampers Maintenance - Central Sector of CNTW Group
NTW Solutions Limited5071000001 Jun 2024£37k5 yrsLive
GB-Shrewsbury: ROCB 019 - Inspection and Testing of Fire and Smoke Damper
Shropshire Council3162510001 Dec 2020£46k5 yrsClosed
RBGKEW673 - Fire Prevention Systems and Smoke Vents
Board of Trustees of the Royal Botanic Gardens Kew3843120008 Jul 2019£14k3 yrsClosed
HVAC Fire Damper Surveying & Maintenance Management Services
Falmouth Exeter Plus7151000001 Apr 2019£51k2 yrsClosed
Duct Cleaning & Fire Damper Testing
UNIVERSITY OF WOLVERHAMPTON ENTERPRISE LIMITED5022210001 Dec 2018£600k3 yrsClosed
Fire Dampers Maintenance - Central Sector of CNTW Group
Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust————Live
Total live value £37k · mean award £125k

Top buyers · 6 buyers · top 3 = 93%

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

✓ From notices
1
UNIVERSITY OF WOLVERHAMPTON ENTERPRISE LIMITED
1 contract
80%
since 2018
2
Falmouth Exeter Plus
1 contract
7%
since 2019
3
Shropshire Council
1 contract
6%
since 2020
4
NTW Solutions Limited
1 contract
5%
since 2024
5
Board of Trustees of the Royal Botanic Gardens Kew
1 contract
2%
since 2019
6
Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust
1 contract
0%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
West Midlands2 contracts
86%
South West1 contract
7%
North East2 contracts
5%
South East1 contract
2%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Overclean Ltd highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
RI
Ringway Infrastructure Services Limited
No£350.0m2
KH
K&T Heating Services Ltd
No£140.0m2
LS
LORNE STEWART PLC
Yes£13.2m2
OS
OPENVIEW SECURITY SOLUTIONS LIMITED
Yes£11.6m5
SE
Secom PLC
Yes£10.6m2
OV
Overclean 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
—
01792622 · this company

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