Our Locations





Please take note of our changes of address:


Effective October 25, 2013 you'll find DioGuardi Tax Law/Mississauga in our new location, one short block to the west of our previous offices.

5045 Orbitor Drive, Bldg 7, Suite 300
Mississauga ON L4W 4Y4


Telephone and fax numbers are unchanged.
Tel: 905-212-9733 Toll-free: 1-877-434-6829
Fax: 905-629-4949


Effective October 2, 2013 you'll find DioGuardi Tax Law/Ottawa in new offices, in the same building, but one floor down.

100 Gloucester Street, Suite 501
Ottawa ON K2P 0A9


Telephone and fax numbers are unchanged.
Tel: 613-237-2222 Toll-free: 1-877-434-6829
Fax: 613-237-9463


Our Toronto address remains unchanged.

375 University Avenue, Suite 701
Toronto ON M5G 2S5

By appointment only. Tel: 1-877-434-6829