Allen & Overy (A&O) and Clifford Chance (CC) are among seven firms to have won roles on Chilean conglomerate Sigdo Koppers’ $790m (£500m) acquisition of Belgian cement and mining services company Magotteaux, reports The Am Law Daily.

A&O took the lead advising Santiago-based Sigdo, a holding company for more than 40 industrial businesses in the heavy construction, engineering, manufacturing, and mining sectors.