Costain Group

Costain Group Costain Group's official page. Improving people’s lives Interested in working for Costain? Please visit www.costain.com/careers for more information.

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 hel

ping 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. Today, we employ around 3,500 people and are one of the nation’s Top 100 Most Admired companies and have been named in the Times Top Employers for Women 2021. To find out more about our people, projects and solutions, please visit www.costain.com and follow us on Twitter at for live updates.

20/04/2026

We’ve published our latest Sustainability Report!

At Costain, we’re creating a sustainable future for a more prosperous, resilient and decarbonised UK. Our new report sets out our three core ambitions:

✅ Being a responsible business – we’re committed to high standards for corporate governance, business ethics, responsible procurement and a relentless focus on safety and wellbeing.
✅ A trusted employer and community partner – we’re considering the social impact of how we operate and the impact on our stakeholders.
✅ Safeguarding our planet's future – we’re delivering sustainable infrastructure through low carbon engineering, efficient use of resources, circular economy principles and building resilience to climate change.

View the report here: https://bit.ly/4vKv6ik

We’ve published our 2025 Annual Report, following our successful Full Year Results which highlighted a record £7bn forwa...
02/04/2026

We’ve published our 2025 Annual Report, following our successful Full Year Results which highlighted a record £7bn forward work, improved quality of earnings and the strength of our markets.

The report celebrates our continued excellent financial and operational performance, and how we’re working to create a more prosperous, resilient, decarbonised UK.

It details how we’re a trusted partner to our customers, delivering predictably across the sectors we operate in, and where long-term investment is being made to meet critical national needs.

Take a look at some of our highlights from 2025: https://bit.ly/3Ogtb3Z

To celebrate International Women’s Day and this year’s theme, , we’re highlighting how mentoring forms an integral part...
08/03/2026

To celebrate International Women’s Day and this year’s theme, , we’re highlighting how mentoring forms an integral part of our Empower Programme, a career development programme designed to support our women talent in reaching their career goals.

The programme includes holding mentoring circles to provide space for learners to come together in small groups, explore ideas and gain different perspectives. By giving their time, our mentors support women to overcome personal and professional barriers to progression and inspire gender equality.

Asha Mistry, a Principal Environmental Consultant who recently completed Empower, explains the importance of mentors on the programme:

“Being on Costain’s Empower Programme has helped me learn what my strengths are and to embrace them. It was inspirational hearing from my fellow cohort and senior leaders on how they overcame challenges both professionally and personally.

“Mentoring circles were small groups which made it easier to have more in-depth conversations where we would focus on topics that were specific to us. I’ve gained the confidence to say “yes” to more opportunities that come my way.”

Read more about Empower https://bit.ly/4kohXWl, and find out more about our culture and available roles https://bit.ly/2HVf1ic

📢Our apprentice roles are live!If you’re looking to kick-start your career, our apprentice programme offers a supportive...
13/02/2026

📢Our apprentice roles are live!

If you’re looking to kick-start your career, our apprentice programme offers a supportive and exciting place to meet new people, grow your skills, and work on projects that truly matter. Whether it’s enhancing the , , or networks, or safeguarding the UK’s security, you’ll help improve the lives of people and their communities.

Meet Kian Smith, an Apprentice Quantity Surveyor helping deliver sustainable water solutions to communities in need. As part of the team at CMDP+ delivering for Southern Water, Kian is part of a collaborative team from Costain and supply chain partners, helping to solve some of the biggest challenges facing the water industry.

Ready to join us? Your adventure starts here! https://bit.ly/3XBvyzs

12/02/2026

Celebrating T Level Thursday!

Anya and Anas are currently T Level students at the London Design and Engineering UTC. On their visit to our High Speed Two Limited (HS2 Ltd) site, we asked them to interview our apprentices to understand what it’s like balancing study with work. Here’s what they had to say.

From confidence building to making connections across industry, there are clear advantages of transitioning from a T level to an apprenticeship.

Find out more about the early career programmes at Costain and apply now https://bit.ly/3ZqwetG

👋 We have opportunities available across the UK for those starting out in their careers. Take a look on our dedicated ...
11/02/2026

👋 We have opportunities available across the UK for those starting out in their careers. Take a look on our dedicated early careers portal https://bit.ly/3Z0QeCu

Meet Ella Williams, an Apprentice Project Controls Engineer in our and sector. Ella is in the process of working towards a degree in Project Controls and is an active member of our Graduate and Apprentice Network.

Ella said “When researching my career options, Costain’s strong early careers programme stood out to me, offering clear development opportunities and support for growth within the industry by working alongside experienced colleagues and peers.”

"What I enjoy most about working at Costain is the team and the strong support system that surrounds me. Since I joined Costain I have felt encouraged to ask questions, share ideas and learn from peers or senior members who have more experience. Costain’s culture of mentorship and teamwork makes it easy to develop both professionally and personally."

Find out more about what Ella enjoys about working at Costain: https://bit.ly/4afYItV

Ready to join us? Your adventure starts here! https://bit.ly/3XBvyzs

At Costain, we have a clear purpose: to improve people’s lives. And our people do that every day across the UK. Our earl...
10/02/2026

At Costain, we have a clear purpose: to improve people’s lives. And our people do that every day across the UK.

Our early careers programmes provide apprentices with exciting environments to learn and grow as they set out on their career journey.

From upgrading our system, to improving the network, diversifying the mix, and supporting our national security, we design and build critical that creates a sustainable future for a more prosperous, resilient and decarbonised UK.

Are you ready to be part of something bigger? Start your adventure with Costain.

Visit our Life page on LinkedIn https://bit.ly/4tnU0D6 or find out more on our website https://bit.ly/3ZqwetG

We’re celebrating ! We actively recruit and support across our business to support our delivery of critical national ...
10/02/2026

We’re celebrating !

We actively recruit and support across our business to support our delivery of critical national and are proud that more than 5% of our people are currently in earn-and-learn positions.

We want to shine a light on the inspirational apprentices and learners gaining important skills for the future. Meet some of our talented people:

Elise Bundy – with variety a key factor in her career choice, Elise is an Apprentice Project Manager, gaining her qualification alongside real world experience on our water projects

Mathew Lee-Emery – from a T Level in Design, Surveying and Planning, Matthew is a Degree Apprentice Civil Engineer, using his surveying skills to ensure everyone on his site goes home safely.

Find out more about our apprenticeship programmes on the page of our website - https://bit.ly/3CLWuFO and check out our latest roles https://bit.ly/3XBvyzs

16/01/2026

Our Graduate and Apprentices Network (GRaAPS) had a fantastic time at Speedy Hire's centre! From getting hands-on with the latest equipment to connecting with our partners and exploring new ways to innovate together, it was a day full of learning and networking.🤖

📹 A huge thanks to Speedy Hire for capturing all the highlights on video, and to everyone who made the day so inspiring for our and .

Our GRaAPS Network organises site tours throughout the year to visit projects, partners and to network with suppliers - all part of your early careers journey.

Find out more about our graduate and apprenticeship programmes and how you could start your next adventure at Costain 👉 https://bit.ly/3ZqwetG

23/12/2025

Sending our best wishes to you all, for a wonderful festive season and a very happy 2026.

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Costain Group PLC, Seventh Floor, Street Mary's Axe
London
EC3A8BE

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+441628842444

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