Insights

Sustainability Leadership Costain's ambitious goal to become a net zero business by 2035 and its recent launch of a proprietary Carbon Design Tool highlight a strong commitment to low-carbon infrastructure and environmental sustainability. This focus suggests opportunities for solutions providers specializing in green technology, carbon footprint reduction, and sustainability consulting.

Expanding Infrastructure Projects The company has recently secured major projects with clients like Sellafield Ltd, Nuclear Restoration Services, and Urenco, along with expanding facilities in Cheshire and Connecticut. These projects demonstrate ongoing demand for complex engineering, nuclear, and infrastructure development services, presenting potential sales opportunities in advanced construction, nuclear engineering, and specialized project management solutions.

Technological Innovation Costain’s integration of digital tools and platforms like Microsoft Project and innovative design solutions indicates a forward-looking approach to digital transformation in civil engineering. Companies offering digital project management, BIM, or digital twin technologies could find engaging opportunities with Costain’s ongoing modernization efforts.

Industry Collaboration Recent partnerships and project wins, including working with industry leaders and participating in safety summits, demonstrate Costain’s proactive engagement with the industry ecosystem. There is potential to provide safety, compliance, and asset management solutions aligned with their collaborative project environment.

Human Capital Growth With a workforce of around 3,500 and recent key hires such as a new road sector director, Costain is investing in talent and leadership to expand its operational capabilities. This presents opportunities for HR tech, training, and talent management solutions to support their employee development and leadership initiatives.

Costain Tech Stack

Costain uses 8 technology products and services including Google Fonts API, SD Worx, Element UI, and more. Explore Costain's tech stack below.

  • Google Fonts API
    Font Scripts
  • SD Worx
    Human Resource Management System
  • Element UI
    Javascript Frameworks
  • C#
    Programming Languages
  • PHP
    Programming Languages
  • Microsoft Project
    Project Management
  • X-XSS-Protection
    Security
  • Facebook
    Widgets

Media & News

Costain's Email Address Formats

Costain uses at least 1 format(s):
Costain Email FormatsExamplePercentage
First.Last@costain.comJohn.Doe@costain.com
64%
FLast@costain.comJDoe@costain.com
28%
FirstLast@costain.comJohnDoe@costain.com
6%
First@costain.comJohn@costain.com
2%

Frequently Asked Questions

Where is Costain's headquarters located?

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Costain's main headquarters is located at 70 Street Mary Axe, Seventh Floor. The company has employees across 5 continents, including EuropeNorth AmericaAfrica.

What is Costain's phone number?

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You can contact Costain's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Costain's stock symbol?

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Costain is a publicly traded company; the company's stock symbol is COST.L.

What is Costain's official website and social media links?

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Costain's official website is costain.com and has social profiles on LinkedInCrunchbase.

How much revenue does Costain generate?

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As of December 2025, Costain's annual revenue is estimated to be $1.7B.

What is Costain's NAICS code?

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Costain's NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does Costain have currently?

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As of December 2025, Costain has approximately 3.9K employees across 5 continents, including EuropeNorth AmericaAfrica. Key team members include Chief Executive Officer: A. V.Chief Executive Officer: A. V.Ceo: A. W.. Explore Costain's employee directory with LeadIQ.

What industry does Costain belong to?

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Costain operates in the Civil Engineering industry.

What technology does Costain use?

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Costain's tech stack includes Google Fonts APISD WorxElement UIC#PHPMicrosoft ProjectX-XSS-ProtectionFacebook.

What is Costain's email format?

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Costain's email format typically follows the pattern of First.Last@costain.com. Find more Costain email formats with LeadIQ.

How much funding has Costain raised to date?

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As of December 2025, Costain has raised $135M in funding. The last funding round occurred on Jun 02, 2025 for $135M.

When was Costain founded?

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Costain was founded in 1865.

Costain

Civil EngineeringEngland, United Kingdom1001-5000 Employees

Costain helps to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet thrive. We shape, create and deliver pioneering solutions that transform the performance of the infrastructure ecosystem across the UK’s energy, water, transportation and defence markets. 

We are organised around our customers anticipating and solving their challenges and helping to improve performance. By bringing together our unique mix of construction, consulting and digital experts we engineer and deliver sustainable, efficient and practical solutions. 

Our ambition is to become a net zero business by 2035, while enhancing biodiversity and natural capital, and we have plans in place to deliver this. We are committed to procure responsibly and to be an inclusive and accessible business for all, enabling us to be our best while focusing on the outcomes that we deliver for people and planet. 

At Costain, we have a vibrant, challenging and growing business – an environment that provides tremendous opportunities for everybody. We're looking for curious, collaborative and courageous people who'll help transform the performance of the infrastructure ecosystem across the UK. For more information about our careers go to www.costain.com/careers

Today, we employ around 3,500 people and have been named in the Times Top 50 Employers for Gender Equality 2023.

Section iconCompany Overview

Headquarters
70 Street Mary Axe, Seventh Floor
Phone number
Stock Symbol
COST.L
NAICS Code
237 - Heavy and Civil Engineering Construction
Founded
1865
Employees
1001-5000

Section iconFunding & Financials

  • $135M

    Costain has raised a total of $135M of funding over 2 rounds. Their latest funding round was raised on Jun 02, 2025 in the amount of $135M.

  • $100M$250M

    Costain's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $135M

    Costain has raised a total of $135M of funding over 2 rounds. Their latest funding round was raised on Jun 02, 2025 in the amount of $135M.

  • $100M$250M

    Costain's revenue is estimated to be in the range of $100M$250M

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