Category:Lists of organisations based in the United Kingdom

• Lists of organisations based in British Overseas Territories‎ (10 C)
• Lists of organisations based in England‎ (3 C, 5 P)
• Lists of organisations based in Northern Ireland‎ (1 C, 8 P)
• Lists of organisations based in Scotland‎ (2 C, 12 P)
• Lists of organisations based in Wales‎ (1 C, 7 P)

C

• Lists of companies of the United Kingdom‎ (2 C, 26 P)

L

• Lists of libraries in the United Kingdom‎ (5 P)

M

• Lists of museums in the United Kingdom‎ (1 C, 15 P)

P

• Lists of political parties in the United Kingdom‎ (1 C, 9 P)

S

• Lists of schools in the United Kingdom‎ (5 C, 8 P)
• Lists of sports clubs and teams in the United Kingdom‎ (3 C, 7 P)

A

• List of affiliates of the Trades Union Congress
• Association of Translation Companies

B

• List of United Kingdom bird clubs and ornithological societies
• List of business and trade associations of the United Kingdom

E

• List of largest United Kingdom employers

G

• List of guilds in the United Kingdom

H

• Competent harbour authority

I

• List of UK interpreting and translation associations

L

• List of defunct law enforcement agencies in the United Kingdom
• List of learned societies in the United Kingdom
• List of UK literary agencies

M

• List of Conservative Monday Club publications

O

• List of organisations with a British royal charter
• List of organisations in the United Kingdom with a royal charter

P

• Parishes of the Ukrainian Catholic Eparchy of the Holy Family of London
• List of pharmacy organisations in the United Kingdom
• List of police forces of the United Kingdom
• List of pressure groups in the United Kingdom
• List of professional associations in the United Kingdom

R

• List of regulators in the United Kingdom

S

• List of Salvation Army corps in the United Kingdom in 1900
• List of students' unions in the United Kingdom

T

• List of Transport and General Workers' Union amalgamations
• List of think tanks in the United Kingdom
• List of think tanks in Wales
• List of trade unions in the United Kingdom
• List of tribunals in the United Kingdom

U

• List of organisations and institutions associated with the University of Cambridge