STP Group, a manufacturer and distributor of timber doors and stairs to the building and joinery trades, has been bought by its management and private equity firm Endless LLP.

STP Group, a manufacturer and distributor of timber doors and stairs to the building and joinery trades, has been bought by its management and private equity firm Endless LLP.

Endless’ £6.4 million investment was supported by working capital provided by the Manchester office of Five Arrows Commercial Finance.

This is Endless’ third investment in the building products sector after it backed buy-outs at Neville Johnson Furniture and Speed Frame. This latest deal was led by Warwick Ley, Neil Baishnab and Ian Plumb.

STP generates an annual turnover of £23 million and has more than 200 employees at its manufacturing sites in Derbyshire and West Yorkshire. It also has depots in Manchester, Leeds and Bristol.