The covered banks have provided me with the following information
Bank of Ireland
Circa 650 individual staff members dealing with customers in mortgage arrears have completed intensive training programmes across the Bank of Ireland Group. Over 2,000 further staff members across the Group have completed mortgage arrears related training.
AIB
AIB can confirm that it has c. 300 staff in its dedicated Arrears Support Unit trained to deal with customers in mortgage arrears. In addition there is c. 540 staff in the branch network who have received specialist training in relation to the Mortgage Arrears Resolution Process (MARP). All staff in the branch network have received arrears management training which covers all aspects of MARP, Code of Conduct on Mortgage Arrears and Consumer Protection Code.
PTSB
The number staff trained to deal with customers in mortgage arrears in ptsb is c450.