In 1851 he joined the company Ransomes and May, in which his uncle Charles May was a partner.
Charles left in 1852 and the company became Ransomes and Sims.
[1] William was the son of Dr. John Sims and Lydia Dillwyn, who were Quakers in Westminster, London.
His Aunt, Ann Dillwyn married Richard Dykes Alexander, another prominent Quaker in Ipswich.
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