# Laing O’Rourke — Engineering and construction for complex infrastructure and buildings

> Laing O’Rourke is a privately owned international engineering and construction group formed in 2001 from the R O’Rourke business and the construction arm of John Laing. It uses engineering, digital methods and offsite manufacturing to deliver major buildings and infrastructure. Contract announcements can describe a direct award, a joint venture or a strategic partnership; the delivery party and scope matter.

- **Legal name:** Laing O’Rourke Corporation Limited
- **Headquarters:** Dartford, England, United Kingdom
- **Founded:** 2001
- **Official website:** [Laing O’Rourke](https://www.laingorourke.com/)
- **URL:** https://voltformer.com/epc-contractors/laing-orourke
- **Markdown:** https://voltformer.com/epc-contractors/laing-orourke.md
- **JSON:** https://voltformer.com/epc-contractors/laing-orourke.json

## CEO and leadership profile

### Cathal O’Rourke

Chief Executive Officer

Cathal O’Rourke leads Laing O’Rourke, the privately owned international engineering and construction group. The company’s official newsroom identifies him as chief executive in its current leadership announcements.

- **Sources checked:** 2026-10-11
- **Profile:** [Cathal O’Rourke](https://voltformer.com/ceo/cathal-o-rourke)

[Laing O’Rourke · company news](https://www.laingorourke.com/company/news/)

## How to select an EPC contractor

EPC means engineering, procurement and construction. Compare contractors by project technology, country, voltage level and contractual delivery scope.

## Directory methodology

This directory presents company profiles, not a scored ranking or certification. Company-wide experience may include engineering, EPCM, equipment supply and consortium roles. Confirm the exact role, current qualifications and project references with the official company before shortlisting.

## What should an EPC enquiry include?

Specify the project country, capacity, grid voltage, single-line diagram, site conditions, scope boundaries, target schedule and acceptance tests. Clarify who owns permitting, civil works, grid studies, commissioning and performance guarantees.

## Equipment enquiries submitted here go to Voltformer. Contact the listed company directly for its EPC services.

## Engineering specializations

- Major buildings and hospitals
- Energy networks and nuclear infrastructure
- Modern methods of construction
- Project delivery and programme integration

## Declared capabilities

- **Basic and detailed engineering:** Listed capability; confirm project-specific scope
- **Procurement and supply:** Listed capability; confirm project-specific scope
- **Civil and structural construction:** Listed capability; confirm project-specific scope
- **Testing and commissioning:** Listed capability; confirm project-specific scope
- **High-voltage substation EPC:** Not listed
- **Transmission lines:** Listed capability; confirm project-specific scope
- **Turnkey power plant EPC:** Not listed
- **Grid interconnection:** Not listed

## Representative projects

### Hillingdon Hospital redevelopment
- **Capacity / scope:** Contract signed July 2026 to deliver the hospital redevelopment; total programme cost is not presented as Laing O’Rourke revenue
- **Country:** United Kingdom | **Client:** Hillingdon Hospitals NHS Foundation Trust
- **Description:** Laing O’Rourke announced a signed contract to deliver the redevelopment. The project is a hospital construction appointment, not a power-plant EPC contract.
- **Technologies:** Healthcare construction
- **Original source:** [https://www.laingorourke.com/company/news/2026/laing-o-rourke-signs-contract-to-deliver-hillingdon-hospital-redevelopment/](https://www.laingorourke.com/company/news/2026/laing-o-rourke-signs-contract-to-deliver-hillingdon-hospital-redevelopment/)

### National Grid contract
- **Capacity / scope:** 400 kV equipment modifications and asset installation or relocation across North West London substations
- **Country:** United Kingdom | **Client:** National Grid
- **Description:** The August 2026 award covers upgrades at Letchmore Heath, Elstree and St Johns Wood, coordinated with the existing Letchmore Heath project. No contract value is disclosed.
- **Technologies:** Electricity network infrastructure
- **Original source:** [https://www.laingorourke.com/company/news/2026/laing-o-rourke-signs-new-contract-with-national-grid/](https://www.laingorourke.com/company/news/2026/laing-o-rourke-signs-new-contract-with-national-grid/)

### Australian AUKUS submarine infrastructure
- **Capacity / scope:** Major AUKUS infrastructure contract announced 29 July 2026; scope and contract value should be taken from the detailed award notice
- **Country:** Australia | **Client:** Australian Government
- **Description:** Laing O’Rourke reported an award for submarine-related infrastructure under AUKUS. It is an Australian project and should not be described as a UK nuclear power station.
- **Technologies:** Defence infrastructure construction
- **Original source:** [https://www.laingorourke.com/company/news/2026/laing-orourke-awarded-major-aukus-contract-for-nuclear-powered-submarine-infrastructure/](https://www.laingorourke.com/company/news/2026/laing-orourke-awarded-major-aukus-contract-for-nuclear-powered-submarine-infrastructure/)

## Technical services

- **Engineering and construction:** Design coordination, manufacturing and construction for complex projects, often delivered through integrated teams and project partnerships.
- **Engineering and design coordination:** Technical development, design management and coordination of multidisciplinary infrastructure packages.
- **Construction and installation delivery:** Construction, systems installation and interface management within contracted packages, alliances or joint ventures.
- **Asset maintenance and lifecycle support:** Inspection, maintenance, renewals and operational support for infrastructure and building assets where included in the appointed scope.

## Standards and certifications



## Official contacts

- **Address:** Dartford, England, United Kingdom
- **Official website:** https://www.laingorourke.com/contact-us/

## Reference statistics

- **Formed:** 2001
- **Ownership:** Privately owned
- **Ownership:** Privately owned group

## Company and energy news

- [National Grid North West London substation upgrades](https://voltformer.com/news/laing-orourke-2026-08-20-national-grid-north-west-london-substation-upgrades) — 2026-08-20 · [Markdown](https://voltformer.com/news/laing-orourke-2026-08-20-national-grid-north-west-london-substation-upgrades.md)
- [Hillingdon Hospital redevelopment contract signed](https://voltformer.com/news/laing-orourke-2026-07-30-hillingdon-hospital-redevelopment-contract-signed) — 2026-07-30 · [Markdown](https://voltformer.com/news/laing-orourke-2026-07-30-hillingdon-hospital-redevelopment-contract-signed.md)
- [AUKUS submarine yard capability-partner contract](https://voltformer.com/news/laing-orourke-2026-07-29-aukus-submarine-yard-capability-partner-contract) — 2026-07-29 · [Markdown](https://voltformer.com/news/laing-orourke-2026-07-29-aukus-submarine-yard-capability-partner-contract.md)
- [Investment in offsite manufacturing capacity](https://voltformer.com/news/laing-orourke-2026-07-16-investment-in-offsite-manufacturing-capacity) — 2026-07-16 · [Markdown](https://voltformer.com/news/laing-orourke-2026-07-16-investment-in-offsite-manufacturing-capacity.md)
- [WorldCC award for contract innovation](https://voltformer.com/news/laing-orourke-2026-06-17-worldcc-award-for-contract-innovation) — 2026-06-17 · [Markdown](https://voltformer.com/news/laing-orourke-2026-06-17-worldcc-award-for-contract-innovation.md)
- [Clients and Markets leadership appointments](https://voltformer.com/news/laing-orourke-2026-06-02-clients-and-markets-leadership-appointments) — 2026-06-02 · [Markdown](https://voltformer.com/news/laing-orourke-2026-06-02-clients-and-markets-leadership-appointments.md)
- [Appointment to the New Hospital Programme alliance](https://voltformer.com/news/laing-orourke-2026-03-02-appointment-to-the-new-hospital-programme-alliance) — 2026-03-02 · [Markdown](https://voltformer.com/news/laing-orourke-2026-03-02-appointment-to-the-new-hospital-programme-alliance.md)

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