< PrevNext > 4. EY London Share 2017 U.S.-Booked Air Volume: $280.7 million2017 Global Air Volume: $520.5 million2017 U.S. T&E: $807 million2017 Global T&E: $1.7 billionPrincipal Air Suppliers: Delta, United & AmericanPrincipal Hotel Suppliers: Marriott, Hilton & AccorHotelsPrincipal Car Rental Suppliers: National & HertzPrincipal Global Booking Tool: GetTherePrincipal Expense Supplier: Proprietary systemPrincipal Payment Supplier: American ExpressConsolidated U.S. TMC: Amex GBTPrimary Non-U.S. TMCs: CWT & HRGEY's U.S.-booked air volume for the 2017 fiscal year, which ended June 30, increased 8.5 percent. Its 2017 global air volume dipped 1.6 percent.The professional services and Big Four accounting firm in 2017 launched a modified fully dynamic hotel program that dramatically reduced the time span of its RFP process and enabled EY's travel team to tackle new initiatives; BTN named EY global head of meetings, travel and events Karen Hutchings the 2018 Travel Manager of the Year for that work. The firm also launched mobile booking platforms and an internal hotel advisory platform, EY Lobby, and built an internal approval platform. The firm maintained its existing travel policy.The tools developed by EY's travel team have been turned into a client offering, the EY Travel Innovation Portfolio, that will be available to EY clients this year.EY employs approximately 260,000 people in more than 150 countries. Eighty-seven percent of 2017 U.S.-air bookings were made using approved online tools; 83 percent of those were booked without an agent. Domestic travel accounted for 73 percent of EY's U.S.-booked air volume.