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JM

J Murphy and Sons Limited

London
Large

J Murphy and Sons Limited is an infrastructure engineering company that specializes in energy transition and various sectors including transportation, natural resources, and water. They offer a wide range of services such as design, construction, and commissioning.

murphygroup.com ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£43.7m
Live
3
Buyers
5
12m
—
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts3 / 5
  • Top buyers5
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — J Murphy and Sons LimitedUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

J Murphy and Sons Limited has won £43.7m across 5 public-sector buyers, with 3 live contracts. No active Companies House risk flags.

Why: top buyer Ministry of Defence, DIO, Defence Infrastructure Organisation (DIO) at 100% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
3 of 5Live 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.

◐ From website & notices
Sectors served · 1/8
Central government✓
Local government✓
NHS & health✓
Housing✓
Utilities & energy✓
Financial services✓
Education✓
Defence✓
Services · 7
BuildingEngineering and Design ServicesUtilities and Electrical ServicesOil and Gas ServicesFabrication & WeldingGround EngineeringTunnelling

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

Case studies · 2

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

◐ From supplier website
Lower Thames CrossingNational Highways ↗Sunray Solar ProjectArava Power ↗

Extracted automatically from murphygroup.com 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

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 · 3 live · 2 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Oil Fuel Depot Gosport, Tank Farm Project
Ministry of Defence, DIO, Defence Infrastructure Organisation (DIO)4523121029 Mar 2018£43.6m2.9 yrsClosed
Crook, C Durham - Fissure Repairs
The Coal Authority4500000007 Apr 2016£10k1 moClosed
London Construction Programme General Works Framework MW25-GW
London Borough of Haringey45000000———Live
Great Grid Partnership
NATIONAL GRID ELECTRICITY TRANSMISSION PLC71000000———Live
Contract Award for the design and build of new gas-compression asset project(s) at National Gas Transmission site (ST Fergus Terminal station).
NATIONAL GAS TRANSMISSION PLC————Live
Total live value — · mean award £8.7m

Top buyers · 5 buyers · top 3 = 100%

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

✓ From notices
1
Ministry of Defence, DIO, Defence Infrastructure Organisation (DIO)
1 contract
100%
since 2018
2
The Coal Authority
1 contract
0%
since 2016
3
London Borough of Haringey
1 contract
0%
4
NATIONAL GRID ELECTRICITY TRANSMISSION PLC
1 contract
0%
5
NATIONAL GAS TRANSMISSION PLC
1 contract
0%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
Scotland1 contract
100%
East Midlands1 contract
0%
London2 contracts
0%
West Midlands1 contract
0%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). J Murphy and Sons Limited highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
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
CH
C Hanlon Facilities Management Ltd
Yes£67.6m2
JM
J Murphy and Sons Limited
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 Dec 2024
Confirmation statement
Up to date
Next due 14 Jan 2027
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.
00492042
Status
Active
Type
Private limited
Incorporated
28 Feb 1951
Reg. office
Hiview House, Highgate Road, London, NW5 1TN
SIC codes
42990
Last accounts
31 Dec 2024
Next accounts due
30 Sept 2026

Directors & PSC

  • KING, Russell John — director
    Appointed 01 Mar 2024
  • WALKER, Adam Christopher — director
    Appointed 01 Oct 2023
  • GRAMMER, Paul Clive — director
    Appointed 01 Oct 2022
  • CRESSWELL, John Harold — director
    Appointed 01 Sept 2022
  • LEDWIDGE, Joseph John — director
    Appointed 01 Feb 2021
  • MURPHY, John Patrick — director
    Appointed 03 Sept 2020
  • Drilton Limited — 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
J. MURPHY & SONS LIMITED
00492042 · this company

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