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Q(

Quinn (London) Limited

Construction work · London
SME

Quinn London is a leading main contractor in London, specializing in construction projects across various sectors including healthcare, education, and residential. They focus on delivering excellence through a client-centered approach and have a strong commitment to social responsibility.

quinnlondon.co.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£594.7m
Live
32
Buyers
42
12m
£458.1m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities3
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts32 / 72
  • Top buyers42
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Quinn (London) LimitedUpdated 06 Jul 2026

At a glance · for buyers and watchdogs

Quinn (London) Limited has won £594.7m across 42 public-sector buyers, with 32 live contracts. No active Companies House risk flags.

Why: top buyer THE GUINNESS PARTNERSHIP LIMITED at 42% · 100% in Construction work · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
32 of 72Live contracts
42%Top-buyer concentration
100%Category exposure
0Contract modifications
If you're a buyer:CapabilitiesReferencesKPIComplianceWatchdog?FlagsModificationsConcentrationNews

Social value · 1/5

Commitments mapped to the Government Social Value Model themes. Each is tagged self-reported or from the website.

◐ From supplier website
JobsNo commitment stated✓
SkillsNo commitment stated✓
EnvironmentNo commitment stated✓
Tackling inequalityNo commitment stated✓
Community2 commitments✓
Community · 2
  • WebsiteCommunity EngagementThe company has provided meals to school-age children and donated to community projects, demonstrating their commitment to social responsibility.
  • WebsiteLocal Community SupportQuinn London focuses on hiring local talent and sourcing from local businesses to strengthen the local economy.

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

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 · 2/8
Central government✓
Local government✓
NHS & health✓
Housing✓
Utilities & energy✓
Financial services✓
Education✓
Defence✓
Services · 10
HealthcareHeritagePlanned refurbishment worksEducationFirestopping and CladdingResidentialPublic BuildingsCyclicalCommercialRetrofit
Frameworks & DPS · 3 from notices
  • Restoration of Cranford ParkLondon Borough of Hillingdon · £2.8m
  • Golden Lane Community Centre Refurbishment CFACity of London Corporation · £1.3m
  • Guinness Property Contractor Frameworks 1 - Responsive Repairs 2 - Empty HomesTHE GUINNESS PARTNERSHIP LIMITED · £439k

Extracted automatically from quinnlondon.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

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 · 32 live · 40 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
The Mill Arts & Events Centre Compliance and Upgrade Works
Rochford Districtg Council—22 Jun 2026£1.3m5 moLive
Fire Remedial Actions
Royal Borough of Kingston Upon Thames4500000028 May 2026£2.2m11 moLive
CHIC Decoration Works Framework 2025-29
Communities & Housing Investment Consortium Ltd (CHIC)—08 Dec 2025—4 yrspending
Greenwich Small Construction Project Framework
Royal Borough of Greenwich—05 Jan 2026£200.0m4 yrspending
Buildings Remediation Framework
THE GUINNESS PARTNERSHIP LIMITED—13 Oct 2025£250.0m4 yrspending
Eldon IT Suite PRoject
University of Portsmouth4545310011 Aug 2025£271k1 moClosed
Wiltshire Building Works Tender
University of Portsmouth Higher Education Corporation—28 Jul 2025£4.3m8 moClosed
Wolfson House Replacement Lighting Project
East London NHS Foundation Trust3100000027 Jan 2025£551k1 moClosed
BBKP 23 33 Framework Agreement for Minor, intermediate and Maintenance Work Construction Contracts
BIRKBECK COLLEGE4500000001 Nov 2024£0.54 yrsLive
CA14083 - Refurbishment of the Existing Mortuary at the Whittington Hospital
Partners Procurement Service4545310002 Sept 2024£997k3 moClosed
Total live value £77.3m · mean award £8.3m1–10 of 72

Top buyers · 42 buyers · top 3 = 83%

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

✓ From notices
1
THE GUINNESS PARTNERSHIP LIMITED
3 contracts
42%
since 2021
2
Royal Borough of Greenwich
1 contract
34%
since 2025
3
Catalyst Housing Limited
2 contracts
7%
since 2022
4
The Barnet Group
3 contracts
5%
since 2024
5
Barnet Homes Ltd
2 contracts
3%
since 2020
6
Homerton Healthcare
1 contract
3%
since 2023
7
The Hillingdon Hospitals NHS Foundation Trust
6 contracts
1%
since 2021
8
London Borough of Hackney
2 contracts
1%
since 2021
9
University of Portsmouth Higher Education Corporation
2 contracts
1%
since 2025
10
Islington Council
1 contract
1%
since 2024

Category mix

CPV-division share of last-12m awarded value. Single-category exposure: 100%.

✓ From notices
Construction work45
100%
⚠ Concentration: 100% of recent awarded value sits in a single CPV division. A category-specific downturn would materially affect revenue.

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
London44 contracts
97%
South East12 contracts
3%
North West5 contracts
1%
West Midlands2 contracts
0%
Yorkshire1 contract
0%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Quinn (London) Limited highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
Q(
Quinn (London) Limited
Yes£458.1m—
CA
Capital and Centric (developments) Ltd
Yes£155.0m1
PL
PfP-igloo Limited Partnership
Yes£155.0m1
LP
LOVELL PARTNERSHIPS LIMITED
No£140.0m1
JS
John Sisk and Son Ltd
No£67.8m1
KC
Kier Construction
Yes£35.4m2
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 May 2025
Confirmation statement
Up to date
Next due 22 Oct 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.
04005400
Status
Active
Type
Private limited
Incorporated
01 Jun 2000
Reg. office
Dome House, 8 Hartley Avenue Mill Hill, London, NW7 2HX
SIC codes
41100 · 41201 · 41202
Last accounts
31 May 2025
Next accounts due
28 Feb 2027

Directors & PSC

  • BUTCHART, Jack — director
    Appointed 01 Dec 2025
  • O'CONNOR, Gerald — director
    Appointed 21 Mar 2024
  • MCCONVILLE, Eamon Patrick — director
    Appointed 07 Jun 2022
  • KARIM, Imran — director
    Appointed 01 Jun 2017
  • DEVON, Mark — director
    Appointed 24 Jul 2012
  • CLEMENT, Paul Wayne — director
    Appointed 24 Jul 2012
  • Quinn Investment Holdings (London) Ltd — person with significant control
    ownership of shares 75 to 100 percent · voting rights 75 to 100 percent · right to appoint and remove directors

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
QUINN (LONDON) LIMITED
04005400 · this company

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