| Business | Phone |
| H & R Block Canada Inc 150 Christina St N, Sarnia N7T 5T9 | (519) 332-8122 |
| H & R Block Canada Inc 1362 Lambton Mall Rd #19, Sarnia N7S 5A1 | (519) 542-1444 |
| H & R Block Canada Inc 516 Exmouth St, Sarnia N7T 7X7 | (519) 542-2121 |
| Income Tax Ctr 112 Mitton St N, Sarnia N7T 6G4 | (519) 339-1010 |
| Liberty Tax Svc 375 Exmouth St, Sarnia N7T 5N8 | (519) 332-8007 |
| Tax Tyme Accounting Svc 1149 Confederation St, Sarnia N7S 3Y5 | (519) 332-3555 |