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Wefinx
“Sameer was very informative and gave me great advice for my business book keeping”
Best Tax Preparation Services in Oakville, ON
23 companies listed · all 23 in Oakville · 1 open 24/7 · 5 open weekends · 22 rated 4.5+
Data verified October 18, 2026
Acctshare Professional Corporation
“I've had the pleasure of working with Sundeep Shah at Acctshare Professional Corp for my PREC accounting and tax filing needs, and I couldn't be happier with the service provided.”
Positive Accounting
“A responsive and proactive company using modern technology to simplify accounting, I love their paperless accounting systems.”
Klca Chartered Professional Accountants
“Ken is very professional and knowledgeable and takes the time to talk directly with his clients to provide sound advice and support.”
AK Consultancy Services
“I appreciate his quick turnaround time and friendly nature in dealing with me.”
Mybookly
“Danny is super easy to work with & communicates efficiently every tax season.”
The 23 companies listed for Oakville, ON prepare personal and business tax returns for clients. Details about services and credentials come from each company's own website; ratings and quotes come from public reviews.
Area overview: Oakville, ON
All 23 companies we list here are in Oakville itself. We have 30 companies in Oakville on file; this page shows the highest-rated 23. The companies on this page are rated from 4.2 to 5.0 across 1,349 reviews; 7 have 50 or more reviews and 22 are rated 4.5 or higher. The topics that come up most in reviews of the companies on this page are "expertise", "knowledge" and "efficient". 1 is open around the clock; 5 are open on Saturdays and 2 on Sundays. Domain records put 8 websites of the companies on this page at ten or more years old; the oldest dates from 2000. 1 offers urgent consultations; 1 offers payment plans; 7 offer a free initial consultation and 2 are family- or locally-owned. We have a website on file for all 23 of the companies on this page; 22 publish a contact page; 19 list a public email and 6 take bookings online. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book a consultation.
Are any tax preparers listed for Oakville open on Saturdays or Sundays?
5 of the 23 companies show weekend hours. Many preparers extend their opening through the filing season and cut back once it ends, so treat weekend availability as seasonal rather than permanent. A quick call saves a wasted trip.
Real Estate Tax Tips
“They provide us with semi-annual strategic consulting, and are always available to help guide our bookkeeper and answer our questions when we're considering acquiring or disposing of properties/assets.”
Kapadia CPA Professional Corporation
“He guided us through the right way to handle our business and personal taxes and also gave great suggestions to ensure proper EI benefits and is always available to clear our juvenile doubts :)”
Medtax.ca
“They respond quickly, always takes time to answer all my questions, and are extremely knowledgeable about the tax specifics and implications for medical professionals.”
Reach Accounting & Tax Professional
“From the moment i reached out for assistance to the final filing of my personal and corporate taxes, the experience was seamless and strss free.”
Rotaru CPA
“We have used Anca's help for our family income tax filing since 2017, and are gladly recommending her to anyone who wants the peace of mind of a thorough and professional service.”
International Professional Group CPA Inc.
“Amazing service and best accounting firm I've been too”
IDM Professional Corporation CPA
“She is very knowledgeable & professional always provided me with best advice regarding taxes.”
Bazar McBean
“I met with David Bazar and it was clear he knew exactly what I needed and completed my returns accordingly.”
Ontrack Accounting & Bookkeeping
“OnTrack avvounting are very professional and experienced .”
Scan Global Holdings
“I would 1000% recommend Scan Consulting Group to any organization that is committed to offering the best in compliance and core business development for; themselves, their workforce and clientele.”
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Mississauga Bookkeeping & Tax Services
“Jin explain all topics of importance and concern before proceeding with the paperwork”
Buttar Accounting & Taxation Services
“Natacha was eager to explain clearly how she was applying our deductions to maximize our returns.”
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LG Britton, CPA Prof Corp
“I would highly recommend her and will continue using her services for years to come.”
Alshaar Accounting & TAX Services
“As a newcomer to Canada taxes here can be very confusing, he has been amazing and answers all my questions.”
U.S. Tax Law
“He understood my situation, got to the core issues quickly, and helped me understand my options so that I could proceed.”
Glenn Graydon Wright
“Firm has a long history and service has been great for us.”
Elite Corporate Accountants Corp.
“Zeeshan is very professional and efficient.”
Why these companies made our list
What clients say about companies in Oakville
- “Good service, reasonable rates & good communication. Jin filed my taxes online & I got my refund within 5 business days.” — client of Mississauga Bookkeeping & Tax Services
- “Great service! Easy to communicate with and helped me a lot in timely tax return filing.” — client of AK Consultancy Services
- “This was my first time working with them to file my personal tax return and I will definitely be returning for future business.” — client of Klca Chartered Professional Accountants
- “Same level of professionalism and commitment was demonstrated in filing the personal returns as was observed in filing my corporation tax returns.” — client of Kapadia CPA Professional Corporation
Excerpts from public reviews of the companies listed on this page.
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