 He was the first chairman of the West India Dock Company, which promoted the construction of the West India Docks from 1800 to 1802.He was Member of Parliament (MP) for Seaford from 31 October 1806 until 5 October 1812.In 1812 George Hibbert was appointed agent-general for Jamaica at an annual salary of £1,500, a position he held until retiring in 1831.