Oat Construction is a Lagos based building and civil engineering company working on commercial, residential and infrastructure projects.

Oat Construction Nigeria Limited is a Lagos based building and civil engineering company established in 2000. Its current website lists building construction, civil engineering works, development consultancy and project management among its services. The company’s project pages include commercial facilities, filling stations, high rise construction, residential development and road construction. In 2025, the Guardian reported that its chief executive, Soji Adeniji, was involved in a community healthcare construction project in Oyo State.