The government of Great Britain was under the joint leadership of William Pitt the Elder and William Cavendish, 4th Duke of Devonshire from November 1756 to 1757. Following Pitt's dismissal, a new ministry was formed in July 1757 under Pitt and Thomas Pelham-Holles, 1st Duke of Newcastle.
The principal ministers of the Crown were as follows:
|First Lord of the Treasury||The Duke of Devonshire||16 November 1756|
|Chancellor of the Exchequer||Henry Bilson Legge||16 November 1756|
|The Lord Mansfield||13 April 1757|
|Lord Privy Seal||The Earl Gower||22 December 1755|
|Chancellor of the Duchy of Lancaster||The Lord Edgcumbe||22 December 1743|
|Secretary of State for the Southern Department||William Pitt||4 December 1756
(dismissed 6 April 1757)
|Secretary of State for the Northern Department||The Earl of Holderness||23 March 1754
(vacated 9 June 1757)
|First Lord of Trade||The Earl of Halifax||1 November 1748|
|First Lord of the Admiralty||The Earl Temple||19 November 1756|
|The Earl of Winchilsea and Nottingham||6 April 1757|
|Treasurer of the Navy||George Grenville||23 November 1756|
|Lord Lieutenant of Ireland||The Duke of Devonshire||2 April 1755|
|The Duke of Bedford||3 January 1757|
- The London Gazette: . 5–9 April 1757.
- Cook, Chris; Stevenson, John (1988). British Historical Facts 1688–1760. Macmillan. pp. 44–5.
First Newcastle ministry
|Government of Great Britain