Donaldson Group (formerly James Donaldson & Sons) is a British family-owned timber merchant.
The firm was founded in 1860.
In 2020, the sixth generation of the Donaldson family took over operation of the firm. In January 2021, the firm launched Buzz Home Office, a business providing made-to-measure home office furniture. In June 2021, the firm acquired Kitchens International. In December 2021, the firm acquired Stewart Milne Timber Systems, a subsidiary of the Stewart Milne Group.
The business was rebranded to Donaldson Group in 2022.
The firm is based in Glenrothes, Fife. It currently has 31 locations around the UK. Former locations include a sawmill in Wemyss, the land for which was sold to Sainsbury's in the late 1990s.