DDL & Co. Chartered Professional Accountants
“Great accounting firm just started using James Little for my corporate and personal taxes and everything has gone smooth with great communication.”
Best Accountants in St. Catharines, ON
22 firms listed · all 22 in St. Catharines · 3 open weekends · 16 rated 4.5+
Data verified October 18, 2026
Darren Bruce, Cpa, Professional Corporation
“Darren Bruce provided exceptional guidance for the current tax season and for navigating future tax strategy; all of which was tailored to my specific situation.”
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Kingsman Associates
“I am really very thankful to kingsman associate team members and really appreciate the services provided by them.”
Integrated Bookkeeping, Accounting & Tax Services
“Went above and beyond to ensure my matter was handled with the utmost urgency.”
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Derry Accounting & Taxation
“Thank you, Paula, for your guidance and patience with us as we navigate through this learning curve of starting a small business!”
SMR CPA
“Shahzad and his team are very knowledgeable and efficent.”
The 22 firms listed for St. Catharines, 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: St. Catharines, ON
All 22 firms we list here are in St. Catharines itself. We have 25 firms in St. Catharines on file; this page shows the highest-rated 22. 19 of the firms on this page have a rating, from 4.2 to 5.0 across 400 reviews; 2 have 50 or more reviews and 16 are rated 4.5 or higher. 3 are open on Saturdays and 1 on Sundays. The services the firms on this page list most often on their websites are accounting services (3), accounting (2), bookkeeping services (2) and tax (2). Domain records put 7 websites of the firms on this page at ten or more years old; the oldest dates from 2001. 1 offers remote or virtual consultations; 3 offer a free initial consultation and 1 lists coupons or special offers. We have a website on file for 20 of the firms on this page; 15 publish a contact page; 16 list a public email and 1 takes bookings online. We count these figures across the firms on this page; hours and prices change, so confirm the details with the firm before you book a consultation.
Which accounting firms listed for St. Catharines describe their services online?
20 of the 22 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.
Jones & O'Connell
“If you are looking for great service and peace of mind, look no further.”
Richard Williamson
“Very nice guy pleasent to talk to.”
LB Accountants
“They are a first class operation.”
Padgett Saint Catharines
“Great experience and wonderful guidance on the business side of taxes.”
Dominic V. Fruci, CPA
Taxintaxout.com
“Sayad helped us with our taxes, he explained everything to us in a simple way.”
AI Professional Accountant Corporation
“Ibrar has always provided exceptional support with all my tax matters and has always been available when required.”
Wormald Masse Keen Lopinski
“Steve Sakes is a great choice at WMKL.”
Global Financial Partners of Niagara Region
Schoenhals Mike
“Would highly endorse his services to any person”
A Cabansay CPA Professional Corporation
“Very happy with her services for personal and business.”
Garden City Accounting
“Wouldn't hesitate to recommend him, in fact we have, to lots of people in our community.”
Mabon Accounting Services
McFarland Associates
Gary van Eyk Cma
Broad Accounting
Why these companies made our list
What clients say about firms in St. Catharines
- “From the very first consultation, their team has been extremely professional, knowledgeable, and responsive to all of my accounting needs.” — client of Integrated Bookkeeping, Accounting & Tax Services
- “Having DDL looking after our accounting needs is always seamless and they’re always there to answer any concerns .” — client of DDL & Co. Chartered Professional Accountants
- “From start to finish, Paula and the team at Derry Accounting were incredibly professional and knowledgeable.” — client of Derry Accounting & Taxation
- “Tony excels in customer service with prompt responses to all accounting questions and requirements.” — client of DDL & Co. Chartered Professional Accountants
Excerpts from public reviews of the firms listed on this page.
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