3.1 million enslaved people trafficked to the British colonies

Co-owner in two voyages in 1805 and 1807 to Accra and Gold Coast, both to Kingston, but primarily a slave-captain for Calvert, Camden & King between 1784 and 1807.  Thomas King was his co-owner in the two voyages in which Coley had an ownership interest. It has been inferred that after the end of the slave-trade he became a partner in Longbottom & Co., shipwrights in Ratcliffe Cross.