Best Accountants in Waterloo, ON
24 firms listed · 10 in Waterloo · 2 open 24/7 · 5 open weekends · all 24 rated 4.5+
Data verified October 18, 2026
Accrubooks
Jonathan Moraitis CPA and Associates | Professional Corporation
- Question
- Team
MAC
Fritsch & Laitar
Clarke Starke & Diegel
- Money
The 24 firms listed for Waterloo, 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.

Area overview: Waterloo, ON
10 of the 24 firms we list are based in Waterloo; the other 14 serve Waterloo from Kitchener (6 km), Cambridge (18 km) and Guelph (23 km). The firms on this page are rated from 4.5 to 5.0 across 649 reviews; 6 have 50 or more reviews. When clients rate these firms on specific qualities, they most often praise professionalism (98%), responsiveness (80%) and quality (76%). The topics that come up most in reviews of the firms on this page are "knowledge", "patient" and "understanding". 2 are open around the clock; 5 are open on Saturdays and 3 on Sundays. Domain records put 7 websites of the firms on this page at ten or more years old; the oldest dates from 1997. 2 offer urgent consultations; 5 offer a free initial consultation; 2 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 23 of the firms on this page; 21 publish a contact page; 20 list a public email and 6 take bookings online. 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.
Why are accounting firms outside Waterloo listed on this page?
10 of the 24 firms are in Waterloo itself, and the rest come from other towns within 25 km. What matters more than the drive is whether the firm knows your province and your sector. Distances are straight-line.
The Tax Mates
McKerlie Accounting Services
Amsun Financial Services
Ironbooks
Accotax CPA Professional Corporation
- Family
- Questions
- Paying
Irvin Accounting & Tax Services
- Knowledge
- Prices
- Team
Accountingkw
- Understanding
- Small Business
- Questions
Racolta Jensen
- Decision
- Job
- Advice
ND Professional Corporation CPA
- Phone
- Communication
- Happy
Ivalue Accounting
- Needs
- Questions
- Patient
Shefali Jariwala CPA
- Cooperative
- Corporate Taxes
- 2021
Garcia Financial
- Family
- Prices
- Questions
Kanac
- Doubts
- Tax Advice
- File
LNM Accounting Solutions
- Patient
- Book Keeping
- Small Business
Ledgers
- Financial
Cornerstone CPA Professional Corporation
- Understanding
- Information
- Family
Sousa Bookkeeping & Taxes
- Phone
- Books
- Couple