In 1841 he left Bonomi, worked for George Pickering for a short time, then moved to London, where he lived for the rest of his life.
Pearson's first individual design was for a small, simple church at Ellerker in the East Riding of Yorkshire.
[1] Towards the end of his career he designed two new cathedrals, at Truro in Cornwall, and Brisbane in Australia; the latter was not built until after his death, and the building was supervised by his son, Frank.
Pearson also carried out work in existing churches, making additions and alterations, or undertaking restorations.
[2] He designed Two Temple Place in Westminster, London, as an estate office for William Waldorf Astor.