The firm has a long tradition of conservation works to historic buildings and scheduled ancient monuments. A R P Lorimer is currently handling a wide variety of projects throughout Scotland, from Orkney to Galloway and throughout the Western Isles involving structures which date from the 12th to 19th centuries.

Clients include the Church of Scotland, NTS, BPTs, local and national authorities along with private individuals. The firm has in-house quantity surveyors and planning supervisors, and maintains close working relationships with specialist engineers, archaeologists and other conservators.

Patrick Lorimer has attained RIAS conservation accreditation.