| 1979 |
Bloor Street branch opens in Toronto. |
| 1984 |
Guelph branch opens and a new Mississauga branch at St. Maximilian Kolbe Parish. |
| 1984 |
A collection point was established at "Copernicus Lodge" Senior Citizens' Home in Toronto. |
| 1986 |
Merger with Polish Veterans Credit Union in Toronto. |
| 1987 |
Merger with Sacred Heart Credit Union in Kitchener; and new branch in Guelph. |
| 1988 |
Merger with St. Aloysius Credit Union in Kitchener and the opening of St. Hedwig branch in Oshawa. |
| 1989 |
St. Maximilian Kolbe branch moved to a new location at Dixie Road in Mississauga. |
| 1990 |
Merger with Polish Alliance Credit Union in Windsor and Polish Combatants' Credit Union in Toronto, and the opening of new branch on Lakeshore Boulevard in Toronto. |
| 1991 |
Merger with Polish Alliance Credit Union in Hamilton. |
| 1992 |
Purchase of Polish National Credit Union in Toronto. |
| 1992 |
St. Stanislaus Polish-Canadian Bank S.A. in Warsaw opened on June 15. |
| 1993 |
Purchase of Polish Alliance Credit Union in Toronto. |
| 1995 |
"Tatry" and "Summerville" branches in Mississauga are opened and a merger occurs with St. John's Parish Credit Union in Toronto. |
| 1996 |
Oakville branch opens and a merger occurs with St. Leo's Parish Credit Union in Toronto and the Records Employees Credit Union in Kitchener. |
| 1997 |
Scarborough branch opens. |
| 2002 |
Merger with the Polish Credit Unions in Ottawa and St. Catharines. |
| 2003 |
Merger with Polish Credit Union in London. |
| 2005 |
St. Eugene de Mazenod branch opens in Brampton. |
| 2006 |
Karpaty Markets branch opens in Brampton. |