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DA

D and B Mechanical Ltd

Weymouth
Large
Not Provided ↗
Compare peers
Awarded
£2.2bn
Live
0
Buyers
3
12m
—
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts0 / 8
  • Top buyers3
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — D and B Mechanical LtdUpdated 20 Jul 2026

At a glance · for buyers and watchdogs

D and B Mechanical Ltd has won £2.2bn across 3 public-sector buyers, with 0 live contracts. No active Companies House risk flags.

Why: top buyer Poole Hospital NHS Foundation Trust at 100% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
0 of 8Live contracts
100%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.

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 · 0 live · 8 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
GB-Bournemouth: Shelley Road LPHW Boiler Plant Replacement
Dorset HeathCare University NHS Foundation Trust4533111012 Jun 2023£228k3 moClosed
GB-Bournemouth: Replacement Boiler Plant at Hengistbury Ward, Kings Park Hospital
Dorset HeathCare University NHS Foundation Trust4525930025 Jul 2022£80k1 moClosed
GB-Dorchester: Replacement Boiler Plant The Conifers Poundbury Dorchester
Dorset HeathCare University NHS Foundation Trust4533111001 Jul 2020£70k3 moClosed
GB-BRIDPORT: DH806 BRIDPORT COMMUNITY HOSPITAL, MAIN PLANTROOM, Replacement of Gas Supply Equipment and Pipework
Dorset HeathCare University NHS Foundation Trust4525120012 Aug 2019£34k4 moClosed
GB-Poole: DH769 Swanage Fuel Storage Tank to Generator
Dorset HeathCare University NHS Foundation Trust4535000011 Mar 2019£48k1 moClosed
GB-Weymouth: Replacement of Chilled Water System at Weymouth Hospital
Dorset HeathCare University NHS Foundation Trust4525990002 Jan 2019£519k4 moClosed
APPROVED CONTRACTORS FRAMEWORK LIST FOR WORKS
University Hospitals Dorset NHS Foundation Trust4500000001 Jan 2019£358k5 yrsClosed
Approved Contractor Framework List for Works
Poole Hospital NHS Foundation Trust4500000001 Jan 2019£2.2bn5 yrsClosed
Total live value — · mean award £279.3m

Top buyers · 3 buyers · top 3 = 100%

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

✓ From notices
1
Poole Hospital NHS Foundation Trust
1 contract
100%
since 2018
2
Dorset HeathCare University NHS Foundation Trust
6 contracts
0%
since 2018
3
University Hospitals Dorset NHS Foundation Trust
1 contract
0%
since 2018

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
South West1 contract
100%
Region resolved for 0% of awarded value (by buyer postcode); the remainder lacks a usable address.

Peers

Suppliers with overlapping CPVs & buyers (last 24m). D and B Mechanical Ltd highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
WD
Willmott Dixon Construction Limited
No£77.1m4
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
DA
D and B Mechanical Ltd
No——
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 Mar 2025
Confirmation statement
Due in -9d
Next due 18 Jul 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.
07985072
Status
Active
Type
Private limited
Incorporated
12 Mar 2012
Reg. office
Lynch Lane Offices, 79 Lynch Lane, Weymouth, Dorset, DT4 9DW
SIC codes
43220
Last accounts
31 Mar 2025
Next accounts due
31 Dec 2026

Directors & PSC

  • BUTLER, Sean — director
    Appointed 12 Mar 2012
  • DUNFORD, Shaun — director
    Appointed 12 Mar 2012
  • Mr Sean Butler — person with significant control
    voting rights 25 to 50 percent
  • Mr Shaun Dunford — person with significant control
    voting rights 25 to 50 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
D AND B MECHANICAL LIMITED
07985072 · this company

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