Significant damage was done to Cahir Mart in June when a fire broke out at the property.
The canteen, offices and other parts of the premises were destroyed leading to a reduced service for farmers.
Following significant rebuilding the mart will fully reopen later today – the mart was founded in 1958
The last surviving member of the founding committee of Cahir Mart, 89 year old Eddie O'Donnell from New Inn will perform the official opening.