
Dover Harbour Board Framework
Costain to deliver utilities infrastructure upgrades to build resilience into UK international trade and drive economic prosperity.
Client · Dover Harbour Board
Costain Group PLC · Company 01393773 · Trading heritage since 1865
Active, accounts up to date·main contractor & developer & consultant & engineer·Head office London
Costain is a prominent UK-based company with a long history of improving lives through infrastructure, dating back over 160 years. They operate across strategic markets including transport, water, energy, and defence, tackling complex national challenges. As engineering, construction, consulting, and digital partners, Costain engineers solutions that connect, protect, and power people's lives, aiming to create a more prosperous, resilient, and decarbonised UK.
Their approach integrates modern construction methods, new technologies, lean techniques, and digital tools to boost productivity and efficiency. Costain emphasizes safe and sustainable delivery throughout project lifecycles, from procurement to decommissioning. They pride themselves on deep, long-term customer relationships and operate through two divisions: natural resources and transportation, focusing on Tier 1 customers with strategic investment plans.
Costain is committed to delivering breakthrough performance not only for shareholders and customers but also by enhancing environmental and social value. They work with clients to decarbonise projects, improve resilience, and offer solutions that deliver biodiversity net gain, aiming to leave a lasting legacy for communities and safeguard the planet's future.

Costain to deliver utilities infrastructure upgrades to build resilience into UK international trade and drive economic prosperity.
Client · Dover Harbour Board

near King's Lynn
Costain to design and build a transport link which will serve up to 4,000 new homes.
Client · Norfolk County Council

Manchester Airport and East Midlands Airport
Costain selected to conduct two biodiversity studies to support the development of a comprehensive, qualitative biodiversity baseline at each location, helping to deliver MAG's nature targets.
Client · Manchester Airports Group (MAG)

Devonport in Plymouth
Costain and Mott MacDonald secured a long-term contract with Babcock to act as delivery partner for a programme of design and construction projects, setting the blueprint for how the site will be developed to meet the future needs of the UK's Royal Navy.
Client · Babcock

Costain will design the onshore CO2 gathering pipeline and the new grid connection for the gas power-station on behalf of bp, the operator of the Northern Endurance Partnership (NEP).
Client · bp (Northern Endurance Partnership)

Costain announces strong interim results for the half year 2026, on track to deliver step change in performance in 2027 and beyond.

Costain welcomes a record number of 50 apprentices beginning careers across its infrastructure projects.
Manchester Airports Group (MAG), Babcock, bp, Norfolk County Council, Dover Harbour Board.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Costain is a leading infrastructure solutions company in the UK, focused on transport, water, energy, and defence sectors. They engineer, construct, consult, and provide digital solutions to improve people's lives and create sustainable infrastructure. Their listed services include Civil engineering, Rail infrastructure, Utilities, Road surfacing and Design & build.
Costain Group PLC is registered at Seventh Floor, 70 St Mary Axe, London, EC3A 8BE, in London.
Costain Group PLC states that it works across Nationwide.
Companies House lists Costain Group PLC as active.
Costain Group PLC works in Infrastructure, Energy, Public, Residential, Commercial, Industrial, Healthcare, Education, Retail, Leisure and Agricultural.
Costain Group PLC was incorporated on 1978-10-12, though the company says it has traded since 1865.
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