Insights

Sustainable Infrastructure Focus Costain’s commitment to creating connected, sustainable infrastructure positions it as an ideal partner for clients seeking environmentally responsible solutions, especially within the UK’s energy, water, transportation, and defence sectors. Their ambitious goal to achieve net zero by 2035 further underscores their dedication to sustainability, opening opportunities with organizations looking to enhance their environmental credentials.

Recent Client Expansions The company’s recent engagements with high-profile clients like Sellafield Ltd, Nuclear Restoration Services, and Urenco highlight its growing footprint in nuclear decommissioning, advanced fuel facilities, and infrastructure delivery partnership projects. This demonstrates a strong pipeline for project-based sales and collaborations in the energy and nuclear sectors.

Innovation and Digital Tools Costain’s development of proprietary tools like the Carbon Design Tool exemplifies its innovative approach to infrastructure challenges, which could appeal to clients interested in cutting-edge, data-driven, and sustainable engineering solutions. Leveraging their digital expertise with technology stacks such as Power BI, Python, and cloud services offers opportunities for tailored tech partnerships.

Global Expansion and Capabilities Expansion to facilities in the United States and infrastructure projects like Sizewell C signal Costain's growth beyond the UK, providing a foothold to collaborate with multinational organizations or enterprises seeking international infrastructure development expertise.

Financial and Market Position With a revenue range of $100 million to $250 million and a strong reputation as a Top 50 Employer for Gender Equality, Costain presents potential for partnerships with organizations prioritizing diversity, sustainability, and innovative infrastructure solutions, especially those looking to work with mid-sized, reputable firms with a strategic growth trajectory.

Costain Group PLC Tech Stack

Costain Group PLC uses 8 technology products and services including Alteryx, Microsoft Power Automate, Power BI, and more. Explore Costain Group PLC's tech stack below.

  • Alteryx
    Advanced Analytics And Data Science
  • Microsoft Power Automate
    Build Automation
  • Power BI
    Business Intelligence
  • Ansible
    Configuration Management
  • Cloudflare CDN
    Content Delivery Network
  • Linux
    Programming Languages
  • Python
    Programming Languages
  • Java
    Programming Languages

Media & News

Costain Group PLC's Email Address Formats

Costain Group PLC uses at least 1 format(s):
Costain Group PLC 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 Group PLC's headquarters located?

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

What is Costain Group PLC's phone number?

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You can contact Costain Group PLC'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 Group PLC's stock symbol?

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

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

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

How much revenue does Costain Group PLC generate?

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As of February 2026, Costain Group PLC's annual revenue is estimated to be $1.7B.

What is Costain Group PLC's NAICS code?

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

How many employees does Costain Group PLC have currently?

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As of February 2026, Costain Group PLC has approximately 4K 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 Group PLC's employee directory with LeadIQ.

What industry does Costain Group PLC belong to?

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Costain Group PLC operates in the Civil Engineering industry.

What technology does Costain Group PLC use?

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Costain Group PLC's tech stack includes AlteryxMicrosoft Power AutomatePower BIAnsibleCloudflare CDNLinuxPythonJava.

What is Costain Group PLC's email format?

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

How much funding has Costain Group PLC raised to date?

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As of February 2026, Costain Group PLC has raised $135M in funding. The last funding round occurred on Jun 02, 2025 for $135M.

When was Costain Group PLC founded?

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Costain Group PLC was founded in 1865.

Costain Group PLC

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 London, England United Kingdom
Phone number
Stock Symbol
COST.L
NAICS Code
237 - Heavy and Civil Engineering Construction
Founded
1865
Employees
1001-5000

Section iconFunding & Financials

  • $135M

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

Section iconFunding & Financials

  • $135M

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

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