Isle of Man

Colas IOM has been operating on the Isle of Man since 1974. Our activities include quarrying and coated stone production, road surfacing solutions, bulk bitumen supply, concrete blocks, building products and waste disposal services.

About Colas Isle of Man

Colas Holdings (IOM) Ltd is a wholly owned subsidiary of the French company Colas SA. As the local shareholder, we give a group structure to our Isle of Man companies. From our head office at Broom House, Foxdale Road, Malew, we provide general management, administration and engineering services to our trading companies. Advice on quality, health, safety and the environment is also provided through local personnel supported by specialist staff employed by Colas Ltd, a related UK company.

We have unrivalled expertise based not only on our long history, but also on the strength we derive from being part of the world-leading International Colas Group. The Group has excellent R&D facilities, giving us access to innovative new products, processes and ideas.

We are very clear about our Vision, Mission and Values. We're growing our operations through intelligent solutions, excellent service and inspired people. We're working responsibly to provide sustainable solutions for our customers and our communities. And we possess the qualities in our people - their talent, passion and vision - to deliver excellence in everything we do.

Our Services


Please find our core locations below. Our main contact details are shown to the right. 

Colas Holdings Ltd

Broom House, Foxdale Road, Malew, IM9 3DW

Colas (IOM) Ltd

Balthane Industrial Estate, Ballasalla, IM9 2AQ

Billown Quarry

Billown Quarry, Foxdale Road, Malew, IM9 3DW

C.Kniveton Ltd

Turkeyland Quarry, Ballasalla, IM9 2AR

Recycling & Waste Management

Turkeyland Quarry, Ballasalla, IM9 2AR