| Business | Phone |
| Acc-Tax Svc 88 Church St #A, St Catharines L2R 3C8 | (905) 687-8141 |
| Add It Up Accounting Svc 75 Woodland Ave, St Catharines L2R 5A4 | (905) 687-8193 |
| L A Sawyer Bookkeeping & Tax 688 Vine St, St Catharines L2M 7L7 | (905) 646-9494 |
| Caplan, Paul 4 Centre St, St Catharines L2R 3A7 | (905) 688-8811 |
| Sandra Siemens Bookkeeping 145 Welland Ave, St Catharines L2R 2N7 | (905) 688-3328 |
| Computerized Accounting Svc 235 Martindale Rd, St Catharines L2W 1A5 | (905) 988-5343 |