3K Shami Accounting & Tax Services
- Tax Preparation
- Environment
- Receptionist
24 firms listed · 18 in Markham · 10 open weekends · 23 rated 4.5+
Data verified October 16, 2026
The 24 firms listed for Markham, ON handle year-end statements, corporate filings and personal returns. Details about sectors and software come from each firm's own website; ratings and quotes come from public reviews.

18 of the 24 firms we list are based in Markham; the other 6 serve Markham from Scarborough (15 km). The firms on this page are rated from 4.2 to 5.0 across 786 reviews; 5 have 50 or more reviews and 23 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise professionalism (100%), responsiveness (94%) and quality (79%). The topics that come up most in reviews of the firms on this page are "efficient", "patient" and "communication". 10 are open on Saturdays and 5 on Sundays. The services the firms on this page list most often on their websites are payroll services (3), personal tax (3), advisory services (2), bookkeeping services (2) and business services (2). 4 have ten or more years of experience, the longest 17 years. 1 offers remote or virtual consultations; 3 offer payment plans; 6 offer a free initial consultation; 3 are family- or locally-owned and 1 lists coupons or special offers. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.
23 of the 24 firms listed here have a website on file. Most set out the sectors they work in and the software they support. Read that first, and remember it is the firm's own account rather than anything checked by someone else.