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CIRIA Biodiversity Community of Practice Members 2024


Arcadis are delighted to support CIRIA’s BIG Biodiversity Challenge and Awards. Arcadis embrace sustainability in all that we do and are driven by our commitment to maximise our impacts in creating a more sustainable world and improving quality of life for all. Biodiversity is at the very heart of our sustainability vision as driven by our ecology team who are leading our clients through biodiversity and natural capital strategy, design and implementation, funding and maintenance. We are excited to share this journey with CIRIA and the profession, moving towards a greener, more sustainable and equitable future.


Find out more about Arcadis.

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For almost 150 years, BAM has been shaping the UK & Ireland’s vital infrastructure and creating many of the country's most iconic buildings. Today we're part of the Royal BAM Group, one of the largest construction companies in Europe with a turnover of over €7 billion. Our aim is to leave our world a better place than we found it – to build a more sustainable tomorrow. We do this by connecting, building and maintaining places where people and the planet prosper together. This is our lasting legacy. 

Find out more about BAM.



Formed in 2012 as a highways, engineering and construction specialist, Cormac is an arm's length management organisation (almo), part of the Corserv group of companies that is wholly-owned by Cornwall Council. Today, we are one of the most highly-regarded, trusted and well known companies in the South West. We provide highway and environmental design and maintenance services, design and construction of major highway schemes.


Find out more about Cormac.

Galliford Try


Galliford Try are a people-orientated, progressive business, driven by their values to deliver lasting change for their stakeholders and the communities they work in. They are passionate about their role in providing vital buildings and infrastructure across the country, committed to the idea that what they do makes a real difference to people’s lives. Galliford Try's purpose, vision and values shape their culture, proactively guiding their day-to-day activities and keeping us focused on what's important to us. 

Find out more about Galliford Try.


Heathrow Airport looks after more than just planes and runways – we have a huge interest in ecology and green spaces, we manage 170 hectares of land across 13 sites, and in finding ways to preserve them for future generations to enjoy. Heathrow’s biodiversity sites support thousands of species of flora and fauna which thrive around the airport. We’re delighted to have been recognised for our continued commitment by winning the Wildlife Trusts’ Biodiversity Benchmark Award for over ten years. We’re committed to operating Heathrow sustainably, now and in the future, and continually building on our success.

Find out more about Heathrow.



Kier is a leading UK infrastructure services, construction and property group. Our purpose is to sustainably deliver infrastructure which is vital to the UK, and we are committed to leaving lasting legacies through our work. Having a positive impact on the environment around and on the communities we serve. We provide specialist design and build capabilities and the knowledge, skills and intellectual capital of our people to ensure we are able to project manage and integrate all aspects of a project.


Find out more about Kier.

National Highways

We manage and improve the strategic road network to make journeys safer, smoother and more reliable.

Our priorities are safety, customers and delivery.

Find out more about National Highways



Formerly Trustmgt, Trustgreen are a leading Open Space Management Company based in Cheshire. We provide an unrivalled specialist service for developers, private asset owners and landlords, encompassing all aspects of open space management and development. With an ever-growing portfolio of sites under our management, our customer service led approach is what sets us apart. Our aim is to continually review, monitor and improve the way we care for the open spaces we manage.


Trustgreen work closely with our clients and residents across the UK, to build communities and environments that thrive. We pride ourselves on going above and beyond, exceeding our customers’ expectations every time to deliver a safe, reliable and professional service. We care about the environment in which we work, that is why we strive to achieve biodiversity net gains on all our managed sites, creating welcoming habitats that support local wildlife and encourage nature back into areas impacted by construction.

Find out more about Trustgreen

Vertical Meadow


Vertical Meadow specialises in patented, living wall systems createing thriving vertical wildflower meadows from seed. They can be used for both temporary and permanent facade applications. They have been specifically designed to boost biodiversity, for low maintenance and ease of construction. They also happen to look awesome, we think.

Find out more about Vertical Meadow

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Wildflower Turf

Founded in 2003, Wildflower Turf has pioneered and developed a soil less growing system which has transformed the concept of turf growing. Wildflower Turf is currently working with a number of organisations to help create wildlife friendly environments for species such as bees, butterflies, voles and slow worms, to name a few. These organisations include The Natural History Museum, Sainsbury’s, The Environment Agency and Natural England. A number of councils throughout the country have used the turf to improve parks and open spaces in their areas, and many more have made enquiries for future projects. In addition the turf is specified by many architects for both green roofs and landscaping projects as a simple way of guaranteeing a wild flower meadow and the ecological benefits this brings.

Find out more about
Wildflower Turf.


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