[1] It was floated on the stock market during 1989;[2] one of the results of which being that the German civil engineering company Bilfinger Berger acquired a 15% shareholding in the firm.

[3] Peter Birse also held a considerable personal stake (at one point amounting to 14.1%) in the business, which he largely retained through to the 21st century.

[19] During February 2002, following a dispute over payment, rival construction company Bovis took over a £21 million contract for Citibank that had previously been awarded to Birse Group.

[21] Birse announced that it planned to reduce the size of building division due to persistent losses totaling £30m over the previous five year period.

[2] Initially operated as a subsidiary, Birse Group was fully integrated into Balfour Beatty and all use of the brand ceased in January 2014.