See below for the list of those companies currently registered to attend.

@luxurylondonguy
Aberdeen Standard Investments
Accor Hotels
ACE travel Management
Advantage Travel Partnership
Advito
Aer Lingus
AIG
Airbus UK
Air Canada
ALTOUR
ANA – All Nippon Airways
Andaz
Amadeus
Amaris Hospitality
Amazon
American Airlines
American Express Global Business
American Express
Anglo American
Apple
Areka Consulting
Asemblr
AstraZeneca
Avis Budget Group
Avis Rent a Car
Aviva
Axa Partners
AXA XL
Baillie Gifford & Co
Bank of America Merrill Lynch
Barclay Card
BCD Travel
Blue Cube Travel
BridgeStreet Global Hospitality
British American Tobacco
British Airways
British Council
Brunel
BuroHappold Engineering
Business Travel Direct/ ATG UK
Capita Travel and Events
Carey Worldwide Chauffeur Services
Carlson Wagonlit Travel
CDS Groupe
Centrica PLC
CGG Services (UK) Ltd
Cheval Residences
Choice Hotels Europe
Chrome River Technologies
Citrix Systems
Clarity
Clifford Chance
Continental
Control Risks
CTM
CWT
Dalata Hotel Group
Deloitte
DeVere
Deutsche Hospitality
DialAFlight Corporate Travel
DiamondAir International
Direct ATPI Global Travel
DMA Partners
Doyle Collection
Dyson Ltd
easyjet
etc.venues
Edwardian Hotels London
Egencia
Electronic Arts
Eli Lilly and Company
Emirates
Endeavor IMG
Enterprise Holdings
Enterprise Rent-A-Car & National Car Rental
Etihad Airways
Eurostar Intl
EY
Equilibrium Consultancy
FCM Travel Solutions
Fello
Festive Road
Finnair
Flybe
Frasers Hospitality
Four Seasons Hotels & Resorts
Fujitsu
GE
GENPACT
GLH Hotels
GHS Hospitality Services
Global Secure Accreditation LTD
Go Native
Grant Thornton International
Grasp Technologies
Great Western Railways
GTMC
Hotel Football
Hilton
HRG (GBT)
HRS – Hotel Reservation Service
Hyatt Hotels and Resorts
HYRYDE – Reliance Worldwide
IDBS Ltd
iGo
Informa
Ingredion Incorporated
Inmarsat Global
Inntel
Interstate Hotels & Resorts
ITV
Jaguar Land Rover
Japan Airlines
Jet Airways
J.P. Morgan
Jumeirah Hotel and Resorts
Jury’s Inn & Leonardo Hotels
Karhoo
KDS
Kempinski Hotels
Kimberly Clark
KKR & Co Partners LLP
Leonardo MW Ltd
Linklaters LLP
LNER
London City Airport
Louvre Hotels Group
Lufthansa Group
Maiden-Voyage
Marriott Hotels International Ltd
Maritim Hotelgesellschaft mbH
Mazars
MBDA
McKinsey & Company
Melia Hotels International
Meon Valley Travel
Microsoft
Moody’s Corporation
Morgan Stanley
Mott MacDonald
mytaxi
NATM
National Oilwell Varco
NES Global Talent
Netcracker Technology EMEA Ltd
NH Hotel Group
Nicola Lomas Consulting
Npower
NYS
Oakwood worldwide
OCallaghan Collection
Oil Spill Response Limited
Omnicom Group
Parker Hannifin Manufacturing Ltd
Park Plaza Hotels Europe
Paul Keery Associates Limited
Pearson
Pegasus
Peninsula Petroleum
Pilcher Associates Ltd
Preferred Hotels & Resorts
Procorre
PwC
Q Apartments
Quantas Airways
Radisson Hotel Group
Radius Travel
Ramboll
Reed & Mackay
Refinitiv
Regus
RELX Group PLC
RGP
Resident Advisor
Rocco Forte Hotels
Rolls – Royce Plc
Roomex
RoomIt by CWT
Rotork PLC
Royal Bank of Canda
Royal Lancaster London
Royal London
RWE UK(npower)
SABIC
Sage Travel Consulting
Sales Trip
SAP Concur
Sbe Group
SCOR
Sea Containers London
Select Apartments
Shell International
Shangri-La Hotels and Resorts
Shv Energy
SilverDoor Apartments
Sirius Travel Sourcing
Sixt rent a car
Sopra Steria
South Africa Airways
Specsavers Optical Group
Spectris PLC
SPTS Technologies
SSE
St Ermins Hotel
Stanley Black & Decker Inc
Staycity Aparthotels
Stock Exchange Hotel
Strand Palace Hotel
Synamedia
Synergy Global Housing
Tailwind Advisory Ltd
Taj Hotels Palaces Resorts Safaris
Tata Steel
The Apartment Service
The Ascott Hospitality Management
The Business Travel Magazine
The Business Travel Show
The Collection Hotels
The Curtain
The Doyle Collection
The Hoxton
The Kimpton Fitzroy London
The Landmark Hotel
The TAS Alliance
Tokio Marine Kiln
TransPennine Express
Travel Leaders UK
Travel and Transport Statesman
Travelmedia
Travelodge Hotels
Travelperk
Travelport
TRIPBAM
Tristar Worldwide Chauffeur Service
UATP
UBS
United Airlines
Viceroy Hotel Group
Virgin Atlantic Airways
Virgin Trains West Coast
Vodafone
Walmart
Warwick Hotels and Resorts
Wharf Hotels -Axis Travel Marketing
Willis Towers Watson
Wood Group UK
World Aware
World Hotels
WPP
Wyndham Hotels & Resorts
Yapta