The firm was founded in 1953 by Sidney Bregman and George Hamann.

Founders Bregman (Born in Warsaw, Poland, died February 9, 2014, Toronto)[4] and Hamann (Born in Toronto, June 14, 1928, died February 9, 2013, in Newmarket, Ontario) had both studied at the University of Toronto.

[5] In October 2019, B+H signed a lease for an office space in a heritage building in Toronto.

Patrick Fejer is a senior design principal for this renovation for B+H's future office.

The existing building, the Permanent (Canada Permanent Trust Building), is located at 320 Bay Street and was originally designed by Henry Sproatt, in 1931.