[3] Around 1742 he was working as an "enameller" painting china in London, where he remained until 1753; he decorated Chelsea porcelain and perhaps other wares.

[7] In March 1775 Duesbury and John Heath were given a Royal Warrant by George III appointing them "China Manufacturers in Ordinary to His Majesty".

[3] In 1779 Duesbury faced a severe financial crisis because his business partner Heath went bankrupt.

Duesbury managed to survive the crisis and in August 1780 was able to purchase Heath's share of the business from his creditors.

[4] In 1783 his business was helped when George, Prince of Wales chose to use Duesbury's wares furnish Carlton House.