Mobico Group, formerly National Express Group, is a British multinational public transport company with headquarters in Birmingham, England. Domestically it currently operates bus and coach services under brands including National Express. The company also operates transport services including trains abroad: in the Republic of Ireland, United States, Canada, Spain, Portugal, Malta, Germany, Bahrain, and Morocco, and long-distance coach services across Europe.

National Express, also abbreviated NX, is an intercity and inter-regional coach operator providing services throughout Great Britain. It is a subsidiary of the British multinational public transport company Mobico Group. Most services are subcontracted to local coach companies. The company's head office is in offices above Birmingham Coach Station.