Cork accountancy and taxation firm O'Connor Pyne has been acquired by the UK professional services firm AAB as it continues its expansion across Ireland with plans for a significant presence across Munster. Based in Ballincollig, O'Connor Pyne employs 65 people, led by senior partners Conor Pyne, Tomas O’Connor and Oriel Lawton. The addition of O’Connor Pyne will boost AAB’s business in Ireland to €20m, with the company employing more than 200 people here. “Bringing O’Connor Pyne into AAB is an important milestone in the continued development of our business in Ireland," Emma Lancaster, Chief Executive of AAB, said. "O’Connor Pyne is a highly respected firm with a strong client focus and a culture that closely aligns with our own.

Source: Irish Examiner January 21, 2026 18:58 UTC