Six Nations Rugby is the official organising body, responsible for rugby's greatest annual international Championships and competitions, working in collaboration with its member Unions and Federations; England, France, Ireland, Italy, Scotland & Wales.

Primary responsibilities of Six Nations Rugby include the negotiation and management of centralised commercial rights on behalf of its unions, as well as the promotion and operation of its annual Championships and competitions. These include, the Guinness Men's Six Nations, Guinness Women's Six Nations, U20 Six Nations, U18 Six Nations Festivals, Women's Summer Series, Summer and Autumn Nations Series, and the newly launched Nations Championhip.

Six Nations Rugby is proud to work with the following partners: Guinness, Capgemini, Breitling, BKT, and IHG Hotels & Resorts.