• 1990 establishments in England (158 P)
• 1990 establishments in Northern Ireland (8 P)
• 1990 establishments in Scotland (2 C, 41 P)
• 1990 establishments in Wales (15 P)

-

• 1990 establishments in British Overseas Territories (4 C, 1 P)

C

• British companies established in 1990 (33 P)

G

• Green Party of England and Wales (3 C, 13 P, 1 F)

R

• Railway stations in the United Kingdom opened in 1990 (1 C)

S

• Sites of Special Scientific Interest notified in 1990 (38 P)

T

• 1990 British television series debuts (3 C, 106 P)

0–9

• 1805 Club
• The 1990 Trust

A

• Alfa Financial Software
• Altern-8
• Apocalypse Ltd
• Arden University
• Association of Personal Injury Lawyers
• Authorised Conveyancing Practitioners Board

B

• BBC Focus on Africa
• BBC Radio 5 (former)
• Best-one
• British Book Awards
• British Children's Author of the Year
• British Haiku Society
• British Sandwich & Food to Go Association
• British University Gaelic football Championship
• British–Irish Parliamentary Assembly

C

• Centre for Philosophy of Natural and Social Science
• Churches Together in Britain and Ireland
• Classic Car Weekly
• Comics International
• Commodore Format
• Communist League (UK, 1990)
• The Computer Channel (BSB)
• Conservative Christian Fellowship

D

• Dogs Today
• Driving Standards Agency

E

• Electro Assassin
• EMI Classics
• Encore Award
• The European (newspaper)
• Eye (magazine)

F

• Festival of British Archaeology
• Financial Reporting Council

G

• Galaxy (radio network)
• Gay Police Association
• Greens (English restaurant)

H

• History of Modern Biomedicine Research Group
• HTMi
• Hut Records

I

• Ian Charleson Awards
• ICL Fellows
• IMDb
• Independent Foreign Fiction Prize
• The Independent on Sunday
• Institute of Grassland and Environmental Research
• Islamic Society of Britain

J

• Joint Nature Conservation Committee

M

• First Major ministry
• Manor Motorsport
• McDonald Institute for Archaeological Research
• McKitterick Prize
• Met Office Hadley Centre
• Model Engineers' Workshop

N

• National Association for Children of Alcoholics (United Kingdom)
• National Comedy Awards
• National Union of Rail, Maritime and Transport Workers
• Nationwide Group Staff Union
• The Notting Hillbillies

O

• OutRage!

P

• Parcelforce
• Poundland
• Project 2000
• The Property Ombudsman

Q

• Quacquarelli Symonds

R

• Racewood
• Radio Authority
• R&A World Golf Museum
• React Music Limited
• Resurrection (magazine)
• Roy Castle Lung Cancer Foundation

S

• Self-invested personal pension
• Sky Arts
• Sky Sports
• Smooth Radio (2014)
• Social Democratic Party (UK, 1990–present)
• Solicitor advocate
• Splash Entertainment
• Squarial
• Surfers Against Sewage

T

• Take a Break (magazine)
• Tusk Trust
• TV Asia

U

• Unitarian Earth Spirit Network

W

• White Crane Films
• Workers International to Rebuild the Fourth International
• World Cancer Research Fund UK