Trainline plc is a United Kingdom-based holding company. The Company, through its subsidiaries, provides rail tickets online, and journey planning and booking solutions for rail travel. It operates through four businesses: Trainline Consumer, Trainline B2B, TOC Solutions and International. The Trainline Consumer business sells rail tickets to individuals on behalf of train operating companies (TOCs) in the United Kingdom (excluding Northern Ireland). Through its Website, mobile apps and contact center, the Company provides customers with rail service information. The Trainline B2B business provides and supports rail booking solutions for small and medium enterprises, corporate entities and travel management companies. The TOC Solutions business builds, supports and manages TOC-branded online sales platforms for TOCs in the United Kingdom and provides related back office, contact center and marketing services. The International business is focused on the sale of European rail tickets.