The four top-ranking teams in both groups proceed to the knockout phase that culminates with the final match at Kenny Park in October.

Mullagh, Pádraig Pearses and Killimordaly are the most successful teams in the tournament's history, having won it 4 times each.

Killimor are the reigning champions, having beaten Meelick-Eyrecourt by 0-13 to 0-09 in the 2022 final in Duggan Park, Ballinasloe, on 15 October 2022.

The Galway IHC winners enter the Connacht Intermediate Club Hurling Championship at the __ stage.

For example, 2018 Galway IHC winner Oranmore-Maree (featuring Galway All-Ireland Senior Hurling Championship winners Gearóid McInerney (All Star) and Niall Burke) won the All-Ireland Championship title at Croke Park.