The Revenue Commissioners recovered over €113 million from audits and investigations between April and June, according to the Revenue Defaulters List.
Some €26.25m was secured from 114 tax settlements with the Revenue.
Three of the revenue settlements exceeded €1m, 11 exceeded €500,000, and 68 were for amounts in excess of €100,000.
Those figures included interest and penalties.
The largest individual settlement involved property development company Eassda Ireland of Antrim Road, Templepatrick, Co Antrim, which paid the taxman over €3.6m for under-declaration of relevant contracts tax.
Another large settlement involved horse breeding company Whisperview Trading Limited of Carriganog, Owning Hill, Pilltown, Co Kilkenny.
Owned by race horse trainer Aidan O'Brien and Anne Marie O'Brien, it paid up over €525,000 for under-declaration of corporation tax, PAYE and PRSI.
Whisperview was also part of the Revenue's Offshore Assets Investigation.
Apart from settlements, the Revenue took in over €1.3m in fines from 410 convictions for tax offences.
The 11 people fined for failing to hold a current liquor licence included entrepreneur Niall Mellon, trading as Taylors Three Rock, Grange Road Rathfarnham, who was fined €700.