| Year | Detail |
| 1997 |
Centrica plc was formed following the demerger of British Gas plc, which was renamed BG plc. |
| 2000 |
Centrica acquired Direct Energy, a major step in the company's international expansion strategy. This move provided Centrica with a strong base for future growth in North America and an opportunity to apply its expertise gained from the deregulation of the UK energy markets. |
| 2002 |
Centrica acquires the Rough offshore gas storage facility and Easington's associated pipeline and onshore processing facility. |
| 2004 |
Centrica acquires Dyno-Rod, the UK's leading on-demand drain maintenance specialist, bolstering its home services offering. |
| 2009 |
The company acquired Venture Production plc, making it a leading operator of mature and orphaned gas assets in the UK continental shelf. |
| 2016 |
Centrica acquires NEAS Energy, which becomes Centrica Energy, and ENER-G Cogen International Limited, which becomes part of Centrica Business Solutions. |