Easy Taxes & Accounting
“He made multiple adjustments to his busy schedule to accommodate me and gave great advice on a few things I was grossly misinformed about.”
Best Bookkeeping Services in Oshawa, ON
15 companies listed · 12 in Oshawa · 5 open weekends · 14 rated 4.5+
Data verified October 18, 2026
YBL Accounting Services
“I liked the regular communication which made me feel like they had my best interest at heart.”
Books In Line
“I highly recommend books inline to anyone who is looking to get their personal or business income tax done”
Kiessling & Associates
“Denise & the team are very professional, absolutely excellent service, highly recommend this business”
Black & White Accounting Services
“Very fast and so nice people thank you so much for your help ☺️ my son gave his sister chocolate ❤️ thank you again”
Anna's Bookkeeping and Tax Service
“Anna offers great advice and is very quick to respond to questions.”
The 15 companies listed for Oshawa, ON handle day-to-day bookkeeping and sales tax filings for businesses. Details about packages and software come from each company's own website; ratings and quotes come from public reviews.
Area overview: Oshawa, ON
12 of the 15 companies we list are based in Oshawa; the other 3 serve Oshawa from Whitby (8 km). 14 of the companies on this page have a rating, from 4.7 to 5.0 across 1,104 reviews; 5 have 50 or more reviews. The topics that come up most in reviews of the companies on this page are "communication", "efficient" and "understanding". 4 are open on Saturdays and 3 on Sundays. 3 have ten or more years of experience, the longest 21 years. 5 offer a free initial consultation and 2 are family- or locally-owned. We have a website on file for 13 of the companies on this page; 10 publish a contact page; 9 list a public email and 3 take bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book a consultation.
Do any bookkeeping companies listed for Oshawa offer a free assessment?
5 of the 15 companies listed here offer a free initial meeting. Expect a quick look at the file, a count of monthly transactions and a quote. Bring access to the software, because a price given without seeing the books rarely survives contact with them.
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Unique Accounting Services
“So respectful, and just give so much time and attention to their clients”
Neahr Accounting Firm
“I called Rob for the first time earlier in 2023 for my small business and personal taxes and he was very professional, helpful and informative!”
Accounting by Lisa Sutton
“I've done my taxes there the last few years & the service was excellent.”
Mark Robbins CPA Professional Corporation
“His Staff especially Anita who has been with mark for many years, provide exceptional service and support.”
GRH Accounting and Tax Service
R.J Baker Financial and Consulting
Right Way Taxes
“He was courteous, professional and had them finished very quickly at an affordable price.”
Azon Bookkeeping Services
“We came to her to do our taxes after having spent way too much money being treated far too poorly.”
Whitby Tax
Why these companies made our list
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