Hudson Hirsel is a partnership between Jamie Hudson of Hudson Homes Ltd and the Hirsel Estate. Currently working on the Leet Haugh development, Hudson Hirsel are proud of perpetuating the historic legacy of The Hirsel.

Douglas and Angus Estates is the Douglas-Home Family estate company. The Family, an amalgam of the great Border Families (Home and Douglas) own the Hirsel Estate in Berwickshire and also the Douglas Estate in South Lanarkshire. Unbroken stewardship of the estates goes back nearly 1,000 years.

Ristol Hirsel is a partnership between Mark Richardson of Ristol Ltd and the Hirsel Estate. Currently working on the Birgham Haugh development, Ristol Hirsel specialise in creating contemporary country homes with traditional materials.