Before being the The Mander Brothers of today, the firm traded as Mander, Weaver & Co., while a relatively small name at the time, they developed businesses in different professions such as baking, japanning and tin-plate working.
By 1820, the firm traded as Mander, Weaver & Co., already operating one of the largest chemical manufacturing works in the country, trading from the United States of America to China. 
