With over 90 years of experience in manufacturing within the bitumen and emulsion market, we are able to draw on a vast level of experience and knowledge that is complemented by a strong focus on research and development.

475 quarries make the Colas Group a top 10 producer of aggregates globally.

#1 in the world

Colas is the #1 buyer of bitumen in the world. Bitumen is the starting point of the groups history, with Colas being created to operate the Cold Asphalt bitumen emulsion patent for road surfacing in the 1920's. Since then Colas has invented and patented many more bituminous products.

In the UK, our quarries and emulsion plants vertically integrate into our business, suppling projects throughout the UK. They also supply our customers with a high quality range of bitumen products and aggregates. Our UK based research and development teams monitor and develop products for our customers.

This manufacturing capability gives us the expertise to deliver a full end-to-end solution for our customers, our R&D knowledge enables us to develop bespoke bitumen products when required and we are at the forefront of innovation in our manufacturing capability.

Continental Bitumen is coming to the UK. With a brand new bitumen terminal under construction in Avonmouth. Find out more here.

We are committed to performing our manufacturing activities responsibly, particularly in terms of safety and environmental protection - saving resources, limiting nuisances and maintaining biodiversity, in fact 70 protected species are hosted in our quarries around the world. We are certified ISO 14001 for our sites and use our Environmental Management System (EMS) to support and develop this.

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