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WINN & COALES (DENSO) LIMITED

London
Large

Winn & Coales (Denso) Ltd specializes in corrosion prevention and sealing technology, offering solutions for buried, submerged, or exposed steel and concrete structures. They have been in operation for over 90 years, providing bespoke and off-the-shelf products.

denso.net ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
—
Live
1
Buyers
1
12m
—
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts1 / 1
  • Top buyers1
  • Category mix
  • Geography
  • Peers
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — WINN & COALES (DENSO) LIMITEDUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

WINN & COALES (DENSO) LIMITED has won — across 1 public-sector buyer, with 1 live contract. No active Companies House risk flags.

Why: top buyer NORTHUMBRIAN WATER LIMITED at 0% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
1 of 1Live contracts
0%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 · 2
Corrosion Prevention SolutionsEffective solutions for corrosion prevention, sealing, and waterproofing for various applications. ↗Product Application TrainingBespoke in-person or virtual product training sessions. ↗

Extracted automatically from denso.net on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Case studies · 1

Delivery stories from the supplier’s website. Clients are not yet cross-checked against award records.

◐ From supplier website
Groundbreaking Advances in Offshore Pipelay with ViscotaqUtilizing Denso's Viscotaq Offshore Field Joint Coating System for an ambitious offshore pipelay campaign. ↗

Extracted automatically from denso.net on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

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 · 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✓

Extracted automatically from denso.net 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 · 1 live · 0 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
UVDB Powered by Achilles QUDM for Goods, Works and Services
NORTHUMBRIAN WATER LIMITED————Live
Total live value — · mean award —

Top buyers · 1 buyers · top 3 = 0%

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

✓ From notices
1
NORTHUMBRIAN WATER LIMITED
1 contract
0%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
North East1 contract
0%
Region resolved for 0% of awarded value (by buyer postcode); the remainder lacks a usable address.

Peers

Suppliers with overlapping CPVs and buyers.

✓ From notices
≈

No close peers found

Not enough categorised awards yet to compute a comparable peer set.

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 30 Jun 2025
Confirmation statement
Up to date
Next due 14 Nov 2026
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.
01372246
Status
Active
Type
Private limited
Incorporated
07 Jun 1978
Reg. office
Denso House, Chapel Road, London, SE27 0TR
SIC codes
13990 · 22210 · 32990
Last accounts
30 Jun 2025
Next accounts due
31 Mar 2027

Directors & PSC

  • ERSKINE, Keith Francis, Dr — director
  • SORRENTINO, Chiara — director
    Appointed 02 May 2025
  • STEWART, Anthony Fraser — director
    Appointed 12 Jan 2022
  • DARLOW, Ryan Leader — director
    Appointed 01 Jan 2021
  • WINN, James — director
    Appointed 01 Nov 2020
  • STUART, Andrew Prescott — director
    Appointed 01 Jul 2015
  • Winn & Coales International Limited — person with significant control
    ownership of shares 75 to 100 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
WINN & COALES (DENSO) LIMITED
01372246 · this company

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