PS.
PublicSupply
account_balanceBuyersbusinessSuppliersdescriptionNoticescategoryCategories
BuyersSuppliersNoticesCategories
verified_userData sourced from Contracts Finder, Find a Tender, and Companies House.
Contracts Finder ↗Find a Tender ↗Procurement Act 2023 ↗
  1. Home›
  2. Suppliers›
  3. Diamond Build Group PLC
DB

Diamond Build Group PLC

London
SMEliquidation
diamondbuildgroup.com ↗
Compare peers
Awarded
£36.6m
Live
18
Buyers
5
12m
—
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities6
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts18 / 40
  • Top buyers5
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags4
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Diamond Build Group PLCUpdated 20 Jul 2026

At a glance · for buyers and watchdogs

Diamond Build Group PLC has won £36.6m across 5 public-sector buyers, with 18 live contracts.

Why: top buyer Echelon Consultancy Ltd at 86% · 4 active risk flags · 0 modifications.

Decision signals
4Active red flags
liquidationCompany status
18 of 40Live contracts
86%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.

⚑ Self-reported & from notices

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

Frameworks & DPS · 6 from notices
  • General Construction Multi Trade - GCMT - Education (20% VAT)London Borough of Haringey · £1.0m
  • Principal Contractor - Principal contractor - Commercial (20% VAT)London Borough of Haringey · £994k
  • Principal Contractor - Principal contractor - Education (20% VAT)London Borough of Haringey · £394k
  • Adaptations - Miscellaneous adaptationsLondon Borough of Haringey · £94k
  • General Construction Multi Trade - GCMT - Commercial (20% VAT)London Borough of Bromley · £53k
  • Principal Contractor - Principal contractor - Capital projects (20% VAT)London Borough of Bromley · £47k

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 · 18 live · 22 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Adaptations Building Works to Domestic Property 1 Nuns Lane
St Albans City & District4521000018 Jul 2023£70k3 moClosed
Principal Contractor - Principal contractor - Education (20% VAT)
London Borough of Haringey4500000024 Jul 2023£394k2 moClosed
Building and Fire Safety Framework
Echelon Consultancy Ltd4534300024 Apr 2023£31.5m4 yrsLive
General Construction Multi Trade - GCMT - Commercial (20% VAT)
London Borough of Bromley4500000027 Feb 2023£53k1 moClosed
General Construction Multi Trade - GCMT - Commercial (20% VAT)
London Borough of Bromley4500000027 Feb 2023£62k1 moClosed
Adaptations Building Works to Domestic Property 11 Howland Garth
St Albans City & District4521000018 Jul 2023£98k3 moClosed
General Construction Multi Trade - GCMT - Education (20% VAT)
London Borough of Haringey4500000022 Jul 2022£1.0m4 moClosed
General Construction Multi Trade - GCMT - Education (20% VAT)
London Borough of Haringey4500000022 Jul 2022£603k4 moClosed
Adaptations - Miscellaneous adaptations
London Borough of Haringey4500000022 Nov 2021£15k2 moClosed
Principal Contractor - Principal contractor - Capital projects (20% VAT)
London Borough of Bromley4500000008 Aug 2022£47k1 moClosed
Total live value £31.5m · mean award £914k1–10 of 40

Top buyers · 5 buyers · top 3 = 100%

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

✓ From notices
1
Echelon Consultancy Ltd
1 contract
86%
since 2023
2
London Borough of Haringey
30 contracts
13%
since 2021
3
St Albans City & District
2 contracts
0%
since 2022
4
London Borough of Bromley
6 contracts
0%
since 2022
5
The Hyde Group
1 contract
0%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
Eastern1 contract
86%
London30 contracts
13%
South East6 contracts
0%
North West1 contract
0%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Diamond Build Group PLC highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
JS
John Sisk and Son Ltd
No£67.8m1
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
DB
Diamond Build Group PLC
Yes——
Compare peers →

Red flags · 4 active

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

✓ Verified
Company status: Liquidation. Companies House does not currently list this company as actively trading.
Insolvency case on record (1). Most recent: creditors voluntary liquidation appointed 13 Feb 2024.
Annual accounts overdue. Filing was due 30 Jun 2024.
Confirmation statement overdue. Statement was due 04 Jan 2025.

Compliance scorecard

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

↔ Cross-checked
Trading status
Liquidation
Not currently active
Annual accounts
Overdue
Due 30 Jun 2024
Confirmation statement
Overdue
Due 04 Jan 2025
Outstanding charges
0
All historic charges satisfied
Insolvency history
1 case
Most recent: creditors voluntary liquidation · 13 Feb 2024
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.
05660708
Status
Liquidation
Type
Public limited
Incorporated
21 Dec 2005
Reg. office
6th Floor 9 Appold Street, London, EC2A 2AP
SIC codes
43999
Last accounts
31 Dec 2022
Next accounts due
30 Jun 2024

Directors & PSC

  • BROOKS, Paul Andrew — director
    Appointed 22 May 2015
  • GRAY, John Arthur — director
    Appointed 21 Dec 2005
  • Mr John Arthur Gray — 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
DIAMOND BUILD GROUP PLC
05660708 · this company

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