Jonathan Moraitis CPA and Associates | Professional Corporation
“Jonathan and his team have always provided top notch customer service to us.”
Best Chartered Professional Accountants in Waterloo, ON
15 firms listed · 4 in Waterloo · 1 open weekends · 12 rated 4.5+
Data verified October 21, 2026
MAC
Clarke Starke & Diegel
“Everyone I have interacted with has been knowledgeable and polite, but I do want to give a special shout-out to Scott Craig and Carolina Turner who have been absolutely amazing through all these years”
Pollard Gagliardi Navickas
“We have always have been treated with professionalism, respect and Customer Service that goes beyond my expectations.”
ND Professional Corporation CPA
“Great customer service and they will respond to our queries in no time.”
Shefali Jariwala CPA Professional Corporation
“Awesome service great work , explains everything so well and in detail we are here since long and nobody has give such details and explanations in tax returns and she is very reasonable and very knowledgeable person .”
The 15 firms listed for Waterloo, ON provide designated accounting and assurance services. What each says about its designation and engagement types comes from its own website; ratings and quotes come from public reviews.
Area overview: Waterloo, ON
4 of the 15 firms we list are based in Waterloo; the other 11 serve Waterloo from Kitchener (6 km), Cambridge (18 km) and Elmira (15 km). The firms on this page are rated from 4.3 to 5.0 across 332 reviews; 2 have 50 or more reviews and 12 are rated 4.5 or higher. 1 is open on Saturdays. Domain records put 5 websites of the firms on this page at ten or more years old; the oldest dates from 1998. 1 offers payment plans; 1 offers a free initial consultation and 2 are family- or locally-owned. We have a website on file for all 15 of the firms on this page; 13 publish a contact page; 9 list a public email and 2 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 practices outside Waterloo shown here?
4 of the 15 firms sit in Waterloo itself. The others come from other towns within 20 km. For assurance engagements the relevant questions are licensing and industry rather than distance. Distances are straight-line.
Caissa
“They do an excellent job and have helped me manage my company and personal affairs as it relates to tax planning.”
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Across Taxes
“Anna is very diligent, hardworking, always punctual, and takes great care in everything she does.”
NHT Associates
“Have been using Nader for 6 years now, for personal and self employed business tax prep.”
Element CPA Professional Corporation
“Andrejus and his team are amazing in terms of their problem solving approach, working directly as part of the team and bringing amazing best practices and knowledge to help our business.”
BRI Accounting and Tax Services, Cpa.
“Ben was extremely helpful and great to work with!”
YNC
“They've done my business taxes since 2013 and I've only had positive experiences.”
Own Innovation
“In addition to excellent efficiency in responding to the Patent Examiner's objections, I could not have been more pleased with the way that I was dealt with in terms of having communications responded to promptly, getting fulsome answers to my questions, being presented with various options, being reminded of upcoming deadlines, and their fair and transparent billing practices”
Graham Mathew Chartered Professional Accountants
“I learned how easy doing my business' taxes after working with Graham Mathew Chartered Accountants.”
Meerstra & Co
“The staff here is very efficient and helpful for all your accounting needs.”
Why these companies made our list
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