List of companies based in London
This is a list of companies in London, England. London is the capital city of England and the United Kingdom. With an estimated 8,308,369 residents in 2012, London is the most populous region, urban zone and metropolitan area in the United Kingdom. The city generates approximately 20 per cent of the UK's GDP ; while the economy of the London metropolitan area—the largest in Europe—generates approximately 30 per cent of the UK's GDP.
London is one of the pre-eminent financial centres of the world and vies with New York City as the most important location for international finance. Over half of the UK's top 100 listed companies and over 100 of Europe's 500 largest companies have their headquarters in central London. Over 70 per cent of the FTSE 100 are located within London's metropolitan area, and 75 per cent of Fortune 500 companies have offices in London.
Companies based in London
0–9
- 1E
- 8vo
A
- A & C Black
- Abbey
- Above the Title Productions
- Accident Advice Helpline
- Acrylicize
- Action group
- Adastra Minerals
- Addison Lee
- Adfonic
- Agatha Christie Ltd.
- Agricultural & General Engineers
- Ahrends, Burton and Koralek
- Ainsworths
- Airtime Television
- Alferon Management
- Alfred McAlpine
- All3Media
- Andrew Melrose
- Angel Trains
- Anglo American plc
- Anglo Pacific Group
- The Antique Wine Company
- Antony Gibbs & Sons
- AnyJunk
- Aon
- ApplianSys
- Arcadia Group
- ArenaPAL
- Aricom
- Armajaro
- Art Loss Register
- Artech House
- Artists' Collecting Society
- Ascential
- Ashmore Group
- Ashtead Group
- AstraZeneca
- Atelier One
- Atlantic Books
- Atomic Antelope
- Augere
- Aviva
- Avocet Mining
- Avolites
- Argos
B
- Bad Press
- Bakkavör
- Balderton Capital
- Balfour Beatty
- Balkan Dream Properties
- Barclays
- BBA Aviation
- BBC
- BBC Records
- The Bedford Estate
- Bedlam Productions
- Bejam
- Belen Echandia
- Bell Pottinger
- Belle & Bunty
- Bentley & Skinner
- Berendsen
- Berry Brothers & Rudd
- Berwin Leighton Paisner
- Bestinvest
- Bestway
- Beta 2 Limited
- Beyond Retro
- BioMed Central
- Black Swan Data
- Bleep.com
- Blue Inc
- Blue Rubicon
- Blue Whale Systems
- Bluebay Asset Management
- BMCE Bank International
- BMJ Group
- Boden
- Bodyamr
- Boosey & Hawkes
- Bow & Arrow
- BP
- The Brand Union
- Brewin Dolphin
- Bridgeman Art Library
- Bridgepoint Capital
- BrightTALK
- Briglin Pottery
- Brit plc
- British Airways
- British Airways Limited
- British American Tobacco
- British & Commonwealth Holdings
- British Energy
- British Home Stores
- British Land
- British Youth Council
- Brixton plc
- Broadbean
- Brogan Group
- Bromcom
- Brompton Bicycle
- BSkyB
- BT Group
- BTG
- BTR plc
- Bulgarian Dreams
- Bunzl
- Bupa
- Burton
C
- Cad & the Dandy
- Cadbury
- Cake Entertainment
- Camm & Hooper
- Cape plc
- Capita Group
- Capita Symonds
- Capital Economics
- Carlisle Managed Solutions
- Carlton Carriage Co
- Carter Jonas
- Cartoon Network Development Studio Europe
- Cassell
- Centaur Media
- CeX
- Chamberlin, Powell and Bon
- ChangeGroup
- Channel Four Television Corporation
- Charter International
- Cheapflights
- Chesham Amalgamations
- Cheyne Capital Management
- The Children's Investment Fund Management
- Chloride Group
- Churchill Insurance Company
- Cinven
- Clément-Talbot
- CLS Holdings
- CMG
- Coats
- The Cobra Group
- Coin Street Community Builders
- CompAir
- ComRes
- Conville & Walsh
- Coolroom
- Cosmos Holidays
- Cox & King
- Cox & Kings
- Creek Audio
- CronLab
- Current Publishing
D
- DAC Beachcroft
- Dade2
- Daejan Holdings
- Dahabshiil
- Daily Mail & General Trust
- Dalgety plc
- Damnably
- Darty plc
- DataCash
- Datacopia
- Datamonitor
- DataWind
- Davenport Lyons
- Davis Langdon
- De Vere Group
- Dealogic
- Deliveroo
- Deloitte
- Derwent Capital Markets
- Dexion
- Diageo
- Diploma plc
- Direct Ferries
- Diversified Global Graphics Group
- DJhistory.com
- DNEG
- Dods Group
- Dopplr
- Dorling Kindersley
- Dot2Dot
- Dr Scholl's
- Dunnhumby
E
- E-Clear
- Eastern Electricity
- Eat
- Ebiquity
- ECA International
- Ecoigo
- Ecourier
- Ede & Ravenscroft
- EDF Energy
- EE
- Electronic Music Studios
- Elementis
- Emerald Energy
- EMI
- EMI Music Publishing
- Empresaria Group
- The Energy Group
- English Eccentrics
- Enodis
- Enso Group
- Entertainment Rights
- eOffice
- Eon Digital Entertainment
- Erased Tapes Records
- Ergo ID
- Ernst & Young
- Eterniti Motors
- ETF Securities
- ETX Capital
- Eurotherm
- Evolution Group
- Evraz
- Exco International
- Expedition Engineering
F
- Family Law in Partnership
- Farmdrop
- Fever Media
- FilmFair
- FilmOn
- First Intuition
- First Solution Money Transfer
- First Student UK
- Firstsource
- Floris of London
- Foster + Partners
- Forte Group
- Frances Lincoln Publishers
- Freddie Grubb
- Freeplay Energy
- Fremantle
- Freestone and Webb
- Fresnillo plc
- Future Shorts
G
- G4S
- Gale
- Galliford Try
- Gapforce
- Gas Light & Coke Company
- GCM Resources
- Gem Diamonds
- General Eyewear
- Generation Investment Management
- George Bell & Sons
- George Wimpey
- Gestetner
- GFMS
- Glaxo Wellcome
- GlaxoSmithKline
- GMW Architects
- The Goldsmiths' Company Assay Office
- Good Relations
- Graff Diamonds
- Greenwich Leisure Limited
- Grosvenor Group
- Gunter's Tea Shop
H
- H.R. Owen
- Hall & Partners
- Hammerson
- Hammonds
- Hand in Hand Fire & Life Insurance Society
- Hanson
- Hardy Amies
- Hardy Oil and Gas
- Hart, Son, Peard and Co.
- Hassle
- Havas Digital
- Hays plc
- Hayes Davidson
- Heathrow Airport Holdings
- Helpling
- Henderson Group
- Henry Poole & Co
- Heron International
- Hetchins
- HHCL
- Hi-Gen Power
- Higgs & Hill
- Hinduja Group
- Hirst Research Centre
- HMV
- Hodge Jones & Allen
- Hogan Lovells
- Holdsworth
- Holland, Hannen & Cubitts
- Holloway Brothers
- Hooper's Telegraph Works
- Horniman's Tea
- Houlihan Lokey
- House of Fraser
- Howden Joinery
- HSBC
- Hungryhouse
- Hunting plc
- Huntsworth
- Hyperoptic
I
- ICM Research
- The Idle Man
- IG Group
- Imagini
- Imperial Chemical Industries
- Imperial Continental Gas Association
- Imperial Innovations
- Ince Gordon Dadds
- Inchcape plc
- Information Security Forum
- Inmarsat
- Intermediate Capital Group
- International Computers Limited
- International Power
- International Tea Co. Stores
- Intertek
- Invensys
- Investis
- Iona Capital
- IP Group
- Ipsos MORI
- Isokon
- ITE Group
- ITV plc
- Iwoca
J
- J & A Beare
- J. and G. Rennie
- J&W Nicholson & Co
- Jardine Lloyd Thompson
- Jean Machine
- Jessica Kingsley Publishers
- Jestico + Whiles
- JKX Oil & Gas
- John Laing Group
- John Murray
- John Penn and Sons
- Johnson Banks
- Johnson Matthey
- Justgiving
K
- Kantar TNS
- Kantar Worldpanel
- Kaplan Financial
- Kaupthing Singer & Friedlander
- Keith Prowse
- Keller Group
- Kennedys Law
- Kesslers International Group
- Keystone Law
- Kind Consumer
- Kingfisher plc
- Knight Frank
- Kold Sweat Records
L
- L.K.Bennett
- Ladbrokes
- Laird plc
- Lamson Engineering
- Language Connect
- Lasmo
- Last.fm
- LatinNews
- Lattice Group
- Law Debenture
- Leading Edge Forum
- Lebrecht Photo Library
- Legal & General
- Levitt Bernstein
- Lewis & Co
- Lewis Leathers
- Lewis Recordings
- Limmer Holdings
- Linklaters
- Lledo
- LLM Communications
- Lloyd Johnson
- Lloyds Banking Group
- London Capital Credit Union
- London Climate Change Agency
- The London Distillery Company
- London Necropolis Company
- London Stock Exchange Group
- LondonMetric Property
- Long Tall Sally Clothing
- Lonmin
- Loose Music
- Lucas Brothers
- Luther Pendragon
M
- Mace
- Macintyre Art Advisory
- Man Group
- Marex Spectron
- Marjan Television Network
- Markit
- Marks & Clerk
- Marks & Spencer
- Masabi
- Mathmos
- Maxwell Communications Corporation
- McBride plc
- Mecom Group
- Medical Research Council Technology
- Melrose Industries
- MEPC plc
- Mercury Asset Management
- Metaswitch
- Methuen Publishing
- Metropolis International
- MFI Group
- MHP Communications
- Microplas
- Millennium & Copthorne Hotels
- Millhouse Capital
- Minerva
- Mintel
- Misys
- Mitre Sports International
- MJP Architects
- Moley Robotics
- Molton Brown
- Mondi Group
- Monex Europe
- Moneycorp
- Monington & Weston
- Morgan Crucible
- Morgan Sindall Group
- Morrison Facilities Services
- Moss Empires
- Mousebreaker
- Mushroom TV
- MWB Group Holdings
- My Family Care
- My Local Bobby
- MySociety
N
- Nails Inc.
- National Benzole
- National Express
- National Freight Corporation
- National Grid plc
- National Westminster Bank
- NBNK Investments
- Nelsons
- New Moon
- News UK
- NEX Group
- Nimax Theatres
- Nobrow Press
- Norton Rose Fulbright
- Now Play It
- NTT Communications
O
- Oak Futures
- Ocean Group plc
- Odyssey Airlines
- OmniCompete
- Omnifone
- OnePoll
- OpenBet
- Ophir Energy
- Opinium Research
- Optimax
- Outsights
- Ovum Ltd
- Oxbridge Applications
P
- PA Consulting Group
- PACE Sports Management
- Palace Software
- Panmure Gordon & Co.
- Pantheon Ventures
- Park Royal Partnership
- Pearn, Pollinger & Higham
- Pearson plc
- Peek Freans
- Perenco
- Peruvian Corporation
- PH Media Group
- Phaidon Press
- Phillips & Drew
- Pimlico Plumbers
- Pinchin Johnson & Associates
- Playfish
- Plus500
- Portland Communications
- Position Ignition
- Pottermore
- Premier Farnell
- Premier Oil
- Pressparty
- PricewaterhouseCoopers
- Progressive Digital Media
- Proxymity
- Prudential plc
- The Pyrene Company Limited
Q
- Qiqqa
- Qube Software
- Quercus
R
- R. A. Rooney & Sons
- Railtrack
- Rapha
- Rara.com
- Rare Tea Company
- Rathbone Brothers
- Reaktion Books
- Reed
- Reed Elsevier
- Rentokil Initial
- Resolution plc
- The Restaurant Group
- Rexam
- Reynolds Porter Chamberlain
- Rigby & Peller
- Rio Tinto Group
- RjDj
- Roberson Wine
- Robert Fleming & Co
- Robert Walters plc
- Rockstar London
- Rolls-Royce Holdings
- Rothmans International
- Rothschild & Co
- Royal Dutch Shell
- Royal Exchange Assurance Corporation
- Royal London Asset Management
- Royal Mail
- RSA Insurance Group
- RSM International
- Rushes Postproduction
- RusPetro
- Russell & Bromley
S
- S. G. Warburg & Co.
- SABMiller
- Safeway
- Sainsbury's
- Salamander Energy
- Salviati
- Samuel Enderby & Sons
- Samvo Group
- Satellite Information Services
- Savills
- Scarlet Blade Theatre
- Schroders
- Science Photo Library
- Sears plc
- Secret Escapes
- Securicor
- Sedgwick Group
- See Tickets
- Select Model Management
- Sellar Property Group
- Sense Worldwide
- Seraphine
- Service in Informatics and Analysis
- Shaftesbury plc
- Sharps Pixley
- Shed Media
- Shutl
- Siebe Gorman
- Siebe plc
- Siemens Brothers
- Signet Jewelers
- Signwave
- Silence Therapeutics
- Silver Circle
- SilverDoor
- Simmons & Simmons
- Sinclair Research
- Sir Robert McAlpine
- Skinny Candy
- Slater & Gordon
- Slaughter & May
- Smith & Nephew
- Smiths Gore
- Smiths Group
- Sobranie
- SOCO International
- Sony Mobile Communications
- Spire Healthcare
- Splash Damage
- Sporting Index
- Spread Co
- Square Enix Europe
- SSL International
- Stainer & Bell
- Standard Chartered
- Standard Telephones and Cables
- Stanton Williams
- Stemcor
- SThree
- Storehouse plc
- Sun Life & Provincial Holdings
- Survation
- SVG Capital
- Swaine Adeney Brigg
- Swan Song Records
- Swire
- System Simulation
T
- Takeover/Cloud 9
- Takeover Entertainment
- TalkTalk Group
- Tanner Krolle
- Tata Steel Europe
- Tate & Lyle
- Tate Publishing Ltd
- Taxi Media
- Taylor Wimpey
- Taylor Woodrow
- TD Tom Davies
- TelecityGroup
- Telecom Plus
- Telewest
- TestPlant
- Thames
- Thames & Hudson
- Thames Water Authority
- Theodore Goddard
- THG Sports
- Thomas Cook & Son
- Thomsons Online Benefits
- Thorn Electrical Industries
- Thorn EMI
- Thurleigh Investment Managers
- Tilda
- Tinies
- Tomkins plc
- Touch Surgery
- Tower Hamlets Summer University
- TowerBrook Capital Partners
- Tradus
- Trafalgar House
- Transmeridian Air Cargo
- Transmission Recordings
- Travers Smith
- Trinity Mirror
- Trowers & Hamlins
- Trustee Savings Bank
- Tullett Prebon
- Tullow Oil
- TV Pixie
U
- Ubiquity Press
- UBM plc
- UCB Home Loans
- UCL Business
- Ugly Models
- UK Youth Parliament
- UKTV
- Ultramar plc
- Underbelly Limited
- Unilever
- Union Hand-Roasted Coffee
- United Biscuits
- United Kingdom Accreditation Service
V
- Valaris plc
- Vanco
- Varsity Express
- Vedanta Resources
- Venturethree
- Versailles Group
- Very Nearly Almost
- Vesuvius plc
- Viacom International Media Networks
- Viagogo
- Virgin EMI Records
- Virtual Internet
- VMware
W
- Web Technology Group
- Webb Ellis
- WebsEdge
- White Line Hotels
- Whitehead Mann
- Whyte Chemicals
- Wildsmith Shoes
- William Hill
- William Watkins Ltd
- Williams Lea
- Willis Group
- The Woolwich
- Workspace Group
- World Television
- WPP plc
X
- Xchanging
- Yeast Culture
- YossarianLives
Y
Z
- Z/Yen
- Zavvi
Newspapers published in London
- Al-Arab
- Bangla Mirror
- Barking & Dagenham Post
- Bell's Life in London
- Catholic Herald
- Christian Today
- The Guardian
- The Illustrated London News
- The Irish Post
- Lanka Tribune
- Lloyd's List
- The Muslim Weekly
- The Non-League Paper
- Romford Recorder
- South London Press
- The Tablet
- Town and Country Magazine
- The War Cry