She was initially a London-based transport, but from 1816 became an East Indiaman, sailing between Britain and India.
[4] In 1816 Joseph Somes purchased Ajax and started sailing to India under a license from the EIC.
[6] Ajax, Clarke, master, arrived at Bengal on 2 November 1821 from London and Madras.
[8] On 23 August 1822 Lloyd's List reported that Ajax, Scott, master, bound for the Cape and Gibraltar had had to put back to Calcutta, leaky.
[10] Ajax, Scott, master, originally bound from Calcutta to Malta, was condemned.