Australian Coopers & Lybrand milestones
| 1866 | Andrew Lyell starts an accountancy practice with John Gowan in Melbourne. |
| 1888 | Horace Bately Allard is invited to enter the partnership of Lyell & Butler. |
| 1893 | Separate firms Lyell & Butler in Melbourne and Lyell & Allard in Sydney are established. |
| 1913 | H.B. Allard, Way & Hardie is formed in Sydney. |
| 1926 | Allard, Way & Hardie commence interstate arrangement with Adelaide firm Wilson, Danby and Ferres. |
| 1928 | Allard, Way & Hardie secures representation in Perth with Smith & Goyder. |
| 1933 | First agreement with Cooper Bros for Allard, Way & Hardie to act as agents in Australia, is negotiated by 77 year old Horace Allard during a trip to London. |
| 1940 | Official practice opens in Canberra with the acquisition of Chaplin and Holgate. |
| 1946 | Allard, Way & Hardie establishes closer relations established with Savage & Co in Brisbane. |
| 1948 | Three of the five associated firms agree to associate with Coopers Bros and are known as Coopers Bros, Way & Hardie (Sydney), Cooper Bros, Savage & Co (Brisbane) and Cooper Bros, Goyder & Co (Perth). |
| 1958 | Melbourne based Buckly & Hughes joins the Coopers Bros network. |
| 1961 | Ferres' practice in Adelaide joins Coopers Bros & Co, completing the Australian network. |
| 1962 | Partnership agrees to adopt the name Cooper Bros & Co. |
| 1976 | Australia officially adopts the name Coopers & Lybrand and a nationally integrated firm is formed. |
Australian Price Waterhouse milestones
| 1874 | Former Price, Holyland & Waterhouse employee Joseph Flack arrives in Australia and opens an accounting practice in Melbourne, occasionally taking on work for his old firm. |
| 1885 | Davey Flack & Co is formed. |
| 1896 | Davey Flack & Co is appointed as official agents of Price Waterhouse & Co. |
| 1896 | Future senior partner and son of Joseph Flack, Edwin Flack, wins Australia's first gold medals at the first modern Olympic Games in Athens while working with Price Waterhouse & Co in London. |
| 1904 | Flack & Flack is formed when Joseph Flack partners with his son Edwin. Younger son Henry Flack later joins the practice. |
| 1905 | Flack & Flack officially opens offices in Perth after conducting audits in Western Australia since 1898. |
| 1908 | Flack & Flack Sydney offices are established. |
| 1911 | A Brisbane office for Flack & Flack opens. |
| 1922 | The chain of mainland capital city offices is complete with the opening of the Adelaide office. |
| 1946 | Price Waterhouse & Co extends Flack & Flack the invitation to join the international firm. Flack & Flack accepts. |
| 1958 | Price Waterhouse & Co opens its Canberra office. |
| 1984 | Price Waterhouse & Co's management consulting practice merges with Urwick International to form Price Waterhouse Urwick. |
Australian PricewaterhouseCoopers milestones
| 1998 | Worldwide merger of Price Waterhouse and Coopers & Lybrand to create PricewaterhouseCoopers. |
| 2002 | IBM acquires PwC Consulting, the global management consulting and technology services unit of PricewaterhouseCoopers. |
