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About Us


A-one+ is the super group of integrated highway engineering providers, having been established by industry leaders Jacobs, Colas and Costain.

WHAT WE DO

A-one+  is a highway engineering provider with the expertise and resources to maintain, design and construct motorways and trunk roads. In addition to the day job we are industry leaders for innovation.

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A-one+ is a joint venture owned equally by Jacobs, Colas and Costain. To become the highway specialist it is today, A-one+ draws upon the knowledge from the parent companies, collaborates with supply chain and partners with clients, continually improving service standards and offering.

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PARENT COMPANIES

Three parent companies have an equal share in the A-one+ joint venture. Each parent brings an invaluable set of capabilities to the venture.

By coming together as one, A-one+ has been a resounding success. Just below is a brief introduction for each parent company.

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Meet the Board


A-one+ emerged as a UK leader in highway engineering inside its first 10 years.

Parent Companies


Three parent companies have an equal share in the joint venture that is A-one+. Each parent brings an invaluable set of capabilities to the venture.

Client


True partnering has made A-one+ the all-encompassing highway engineering company of today.

Our Latest Tweet

RT @TarmacLtd: We delivered higher productivity and improved site safety with @Aone_uk on a resurfacing project in the Peak District using…

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