2014 Acquired Investec Bank (Australia) Limited (now BOQ Specialist Bank Limited), including the Professional Finance business (now BOQ Specialist) and the Asset Finance & Leasing business (now part of BOQ Finance)
2013 Acquired Virgin Money Australia, the Australian retail financial services arm of the Virgin Group, for approximately $40 million (including approximately $30 million in BOQ shares)
2010  Acquired Australian and New Zealand divisions of CIT Group Inc, a leading supplier of vendor finance to small business and middle market companies 
2010  Purchased St Andrew's Insurance, a leading Australian manufacturer of consumer credit insurance products
2007  Members of Home Building Society in Western Australia endorsed $592 million merger proposal, increasing BOQ's national footprint
2007  Made a successful bid for Mackay-based Pioneer Permanent Building Society
2005  Acquired $78 million debtor finance division of ORIX Australia
2003  Purchased equipment finance company UFJ Finance Australia giving BOQ its first significant interstate presence
2001-2004  Accelerated branch opening program, opening 55 new branches throughout Queensland
1985  Opened its first regional branches in Cairns and Townsville
1982  Incorporated Bank of Queensland Savings Bank Ltd as a wholly owned subsidiary
1971  Became a publicly traded company listed on ASX
1970  Adopted the name Bank of Queensland and computerised operations 
1942  Following mergers with other Queensland-based financial institutions, became a trading bank 
1887  Converted from a building society to a bank
1874  Established as The Brisbane Permanent Benefit Building and Investment Society, the first permanent building society formed in Queensland