The corporate travel booking sector has been transformed by fragmented content, generative AI and intensifying competition. Booking tools now span technology providers, TMC-built platforms, OTA offerings and end-to-end corporate travel and expense management platforms; plus, some established names face uncertain futures. BTN's guide examines the offerings of 13 leading and emerging platforms. The survey shows how providers are adapting and, maybe more importantly, how travel managers will need to adapt their procurement scope and strategies to understand the implications AI brings to personalization opportunities and awesome tech integrations, but also to data security, auditability and accountability.