1812 - Henry Potter sets up as a herbalist

1846 - Henry Potter retires and business taken over by Henry Potter and George Hailey

1873 - Henry Potter partnered by Charles Clarke and busines known as Potter's, Son and Clarke

1907 - becomes Potter & Clarke Ltd.

1952 - company moves to Wigan

2003 - acquired by Galenica AG

Traded at 60–64 Artillery Lane, London E2, England

Dantzic Street, Manchester