Category:1801 establishments in the United Kingdom

• 1801 establishments in England‎ (10 P)
• 1801 establishments in Ireland‎ (8 P)
• 1801 establishments in Scotland‎ (4 P)
• 1801 establishments in Wales‎ (1 P)

B

• 1801 establishments in the British Empire‎ (4 C, 1 P)

C

• British companies established in 1801‎ (4 P)

P

• Constituencies of the Parliament of the United Kingdom established in 1801‎ (66 P)

• United Kingdom of Great Britain and Ireland

0–9

• 74 Battery (The Battle Axe Company) Royal Artillery

A

• Baron Abercromby
• Addington ministry

C

• Duke of Cambridge
• Chasseurs Britanniques
• Earl of Chichester
• Earl of Cottenham
• Crofton family
• Baron Culloden

D

• De Saumarez baronets
• Douglas baronets

E

• Earl of Rosslyn

F

• First Parliament of the United Kingdom

G

• G Parachute Battery (Mercer's Troop) Royal Horse Artillery
• Great Seal of the Realm

H

• House of Commons of the United Kingdom

K

• Baron Keith
• Earl of Kenmare

P

• Parliament of the United Kingdom

S

• Secretary of State for War and the Colonies
• Sunday Dispatch

U

• Under-Secretary of State for War and the Colonies
• Union Jack