Jonathan Moraitis CPA and Associates | Professional Corporation
“I have to say great attitude, very knowledgeable, a person I feel I could count on for financial business advice.”
Best Accountants in Waterloo, ON
15 firms listed · 10 in Waterloo · 3 open weekends · 14 rated 4.5+
Data verified October 21, 2026
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Profithop Accounting Services
“I will definitely be using her again for my 2021 taxes 👍”
The Tax Mates
“Had the pleasure of working with Yazan to finish my taxes and other tax questions.”
MAC
Amsun Financial Services
“Anu is a gem to work with, we were starting a new business and she has been helping a lot with the initial steps.”
Clarke Starke & Diegel
“Magda and Wayne have provided us and the many condominium corporations we manage with professional, reliable and prompt accounting services.”
The 15 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 15 firms we list are based in Waterloo; the other 5 serve Waterloo from Kitchener (6 km). The firms on this page are rated from 4.3 to 5.0 across 349 reviews; 2 have 50 or more reviews and 14 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "knowledge" and "understanding". 3 are open on Saturdays and 1 on Sundays. Domain records put 6 websites of the firms on this page at ten or more years old; the oldest dates from 1997. 2 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for 14 of the firms on this page; 13 publish a contact page; 11 list a public email and 5 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 15 firms are in Waterloo itself, and the rest come from other towns within 10 km. What matters more than the drive is whether the firm knows your province and your sector. Distances are straight-line.
McKerlie Accounting Services
“Reliable and efficient with fair prices!”
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Accrubooks
“He is very responsive, flexible, and goes above and beyond even contacting our new payroll provider directly to make sure things were set-up correctly when we made a switch.”
Pollard Gagliardi Navickas
“25 plus years Would not go anywhere else.”
Ironbooks
Accountingkw
“Always experienced great service from AccountingKW.”
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Irvin Accounting & Tax Services
“! these guys are very professional & it's 5 Stars”
LNM Accounting Solutions
“He is also very patient and you never feel like you are on the clock when discussing issues”
Dedicated Bookkeeping Solutions
“Dedicated Bookkeeping Solutions has provided us with fantastic accounting services for over 2 years.”
Ledgers
“We began using him for all of our corporate accounting needs and we are never going back to doing it in house!”
Why these companies made our list
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