| Jan 1975 | Salisbury Insurance Brokers (SIB) starts operations in Caringbah, Sutherland Shire, south of Sydney |
| 1977 | Joins Insurance Brokers Association (IBA) which later becomes NIBA. |
| 1982 | National Insurance Brokers Association of Australia (NIBA) formed. Brian Salisbury becomes QPIB and Foundation Member of NIBA (FNIBA) |
| 1989 | Moves to new offices in Gibbs Street, Miranda, Sutherland Shire, south of Sydney where it remains today. |
| 1992 | Tom Payne joins to form Salisbury Payne Insurance Brokers. |
| 1997 | Salisbury Payne Tinslay formed through acquisition/merger of Tinslay and Hollyman Insurance Brokers. |
| 1997 | Joins Broking Cluster Group IBNA. |
| 2000 | Acquires Heppell & Young Insurance Brokers |
| 2002 | Becomes member of International Broking Group (IBA - later UNIBA) and forms Australian and New Zealand membership. |
| 2004 | Acquires IBS Broking Services (Dee Why) |
| 2005 | Public Company, Austbrokers Holdings Ltd becomes equity partner and Salisbury Payne Tinslay Pty Ltd commences trading as Austbrokers SPT. |
| 2008 | Tom Payne (Director) retires. |
| 2011 | Phil Tinslay (Director) retires. |
| 2011 | Brian Salisbury awarded UNIBA Alan Sutton Award for Service Excellence. |
| 2013 | Arthur Kinnas takes up partnership after progressing through SPT for 10 years. |
| 2013 | Brian Salisbury appointed Director of UNIBA, responsible for ASIA Pacific region. |
| Jan 2015 | SPT recognises 40 years in business. |

