Stirling Square Capital Partners and Diamond Castle have bought global highway safety solutions business Public Safety Equipment from Seton House for an undisclosed sum.
The deal is expected to be completed in April.
Public Safety Equipment employs nearly 800 people and operates from four locations in the UK and the US. David Smith leads the management team.
Founded in 2002, London-based Stirling Square manages $280 million (€213 million), with a cornerstone investment from Citigroup. Diamond Castle is a New York-based private equity firm with $1.85 billion (€1.4 billion) under management.