Accounting Plus Financial Services
“I even inquired about another service that he could have charged me for, and he recommended I go elsewhere as it is a better fit.”
Best Payroll Services in Thornhill, ON
24 companies listed · 6 in Thornhill · 1 open 24/7 · 9 open weekends · 23 rated 4.5+
Data verified October 16, 2026
Harmonic Accounting
“Their attention to detail, professionalism, and expertise have truly made a difference in my finances.”
Parsian Accounting, Payroll, and E-File Tax Services.
“Shahpazir)has consistently provided exceptional accounting services, demonstrating a keen attention to detail and a deep understanding of financial principles.”
Nannytax
“They handled everything, providing updates and were top notch when it came to communication.”
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Fiscal Expert
“I am also amazed at the tax strategy they have implemented over the last year that saved me money and significantly reduced my tax bill.”
KPC CPA
The 24 companies listed for Thornhill, ON handle pay runs, source deductions and timekeeping for employers. Details about services and software come from each company's own website; ratings and quotes come from public reviews.
Area overview: Thornhill, ON
6 of the 24 companies we list are based in Thornhill; the other 18 serve Thornhill from towns including North York, Scarborough and Toronto. 23 of the companies on this page have a rating, from 4.7 to 5.0 across 2,875 reviews; 21 have 50 or more reviews. The topics that come up most in reviews of the companies on this page are "patient", "knowledge" and "price". 1 is open around the clock; 8 are open on Saturdays and 7 on Sundays. The services the companies on this page list most often on their websites are payroll services (8), business registration (4), accounting & bookkeeping (3), accounting services (3) and bookkeeping services (3). 10 have ten or more years of experience, the longest 24 years. 1 offers urgent consultations; 1 offers payment plans; 11 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for all 24 of the companies on this page; 23 publish a contact page; all 24 list a public email and 7 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.
Which payroll companies listed for Thornhill publish service details?
All 24 companies listed here have a website on file. Most say which provinces they file in and which software they run, and that is the detail worth checking if your staff are spread across the country.
BBS Accounting CPA
“Competent, kind and individualized service that relieves tax preparation stress So thoroughly thankful to Lira tax & Accounting.”
Instaccountant
“The work done by this company worths more than they asking for.”
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Sdg, Chartered Professional Accountant
“Now my go to accountant Sam and team thank you for amazing work !”
SAL Accounting
“From the get-go, they were approachable, detail-oriented, and committed to making sure I felt confident at every step.”
Filing Taxes | Accountant Toronto
“Great consulting session, all my questions related to my taxes had been answered”
Magic Accounting & Tax Services
“Officially my 4th year doing my taxes with Behdad.”
Accountor CPA Accounting Bookkeeping and Tax Experts
“The consultation was super informative, and I felt totally at ease.”
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MZA CPA Professional Corporation
“Efficient, kind ,knowledgeable, MZA CPA has it all.”
Diamond Chartered Professional Accountants
“They are really helpful and know what to do in term of Taxes”
Taxory Accounting & Bookkeeping
“And when there was a problem with my CRA information, Anna immediately got involved, always answered all my questions and gave me clear advice on what I needed to do.”
Budget Accounting
“My wife and I both utilized the services of Budget Accounting for our income tax filing this year, and we were thoroughly impressed.”
Noor Accounting & Tax Services
“I've been filing my taxes for my family and I for years and Syed's support has been invaluable.”
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HK Accounting
“Efficient, knowledgeable, and friendly , all the team members go out of their way to help out!”
Sawaya CPA
“He filed the taxes for our corporations and did go through our questions very patiently.”
Global Taxation & Accounting Service
“I've been working with Luigi and he's always been very responsive, knowledgeable and timely.”
Aspire Business Solutions
“Mr Muhammad is a very nice hardworking professional accountant for whenever you need your taxes done whenever you need your taxes or cheques in a day or two your job will be done by Aspire.”
Source Accounting Professional Corporation, CPA
“They were very informative, professional and helped us through the whole tax process!”
Alpha Oasis
“I have been using Alpha Oasis accounting for over 10 years now and I wouldn't trade them for any other accountant.”
Why these companies made our list
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