Her owners then sold her and she continued to sail between Britain and India under a license issued by the EIC.

Ocean first appears in Lloyd's Register for 1804 with J. Walker, owner, M'Taggart, master, and trade London—India.

[1] Because this voyage took place after the commencement of the Napoleonic Wars, Ocean sailed under a letter of marque that was issued to McTaggart on 30 June 1804.

[1] The officers and men of the EIC's ships Lord Keith and Dover Castle received salvage money in October 1810 for the recapture of Admiral Rainier on 31 December 1806,[8] as did those of Ocean.

Homeward bound, she was at Saugor on 24 December, reached St Helena on 12 May 1812, and arrived at the Downs on 22 July.

[1] Her owners sold her on 30 July 1814 at Lloyd's Coffee House for the West Indies trade.

[10] Ocean's owners applied for a licence to trade with the East Indies on 10 November 1814, and were issue one that same day.

[11] Then under the command of Alexander Johnson, she sailed from England in August 1815 and arrived at Port Jackson on 20 January 1816.

[11] She was listed in Lloyd's Register in 1825 with A. Johnson, master, Rait & Co., owner, and trade London-India.