Trusted by 500+ Businesses Across Southern Ontario

Expert Bookkeeping, Tax & Accounting Services

From monthly bookkeeping to corporate tax returns, Ontario Tax Team helps small businesses and individuals across Oakville, Mississauga, Burlington, and Milton keep their finances in order — so you can focus on what matters.

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CPA Ontario
QuickBooks ProAdvisor
Xero Certified
BBB Accredited
500+Clients Served
15+Years Experience
CPACertified
QuickBooksProAdvisor
4.9★Google Rating

How We Help You

Whether you're a sole proprietor, small business owner, or individual taxpayer — we've got you covered.

Bookkeeping Services
Stay on top of your day-to-day finances with accurate, reliable bookkeeping. We handle everything from bank reconciliations to accounts payable so you don't have to.
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Tax Preparation
Personal T1 returns, self-employed filing, rental income — we ensure every deduction is claimed and every return is filed accurately and on time.
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Accounting & CPA Services
Comprehensive accounting from a Chartered Professional Accountant. Corporate T2 returns, financial statements, notice to reader engagements, and more.
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Payroll Services
Accurate, on-time payroll processing for your team. We handle CRA remittances, T4 preparation, and ROE filings so you stay compliant.
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HST Filing & Remittance
Never miss an HST deadline. We prepare and file your HST returns, handle input tax credits, and ensure your remittances are accurate.
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Tax Planning
Proactive tax strategies that minimize your tax burden legally. From incorporation advice to income splitting, we plan ahead so you keep more of what you earn.
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Why Businesses Choose Ontario Tax Team

Local Expertise

We know Southern Ontario inside and out. From Oakville to Milton, we understand the unique needs of businesses in our communities.

Year-Round Support

We're not just here during tax season. Our team provides consistent, proactive support 12 months a year.

Technology-Forward

We use QuickBooks, Xero, and cloud-based tools to give you real-time visibility into your finances from anywhere.

Fixed, Transparent Pricing

No surprises. We provide clear quotes upfront so you always know what you're paying.

“Ontario Tax Team completely transformed how we handle our books. What used to take me an entire weekend now gets done seamlessly. I can't imagine running my business without them.”

Sarah M.

Restaurant Owner, Oakville

Serving Southern Ontario's Growing Communities

With clients across the GTA, we provide in-person and virtual bookkeeping, tax, and accounting services wherever you are.

Mississauga
Ontario's third-largest city and home to a thriving small business community. We serve hundreds of Mississauga businesses with bookkeeping, tax, and accounting services.
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Oakville
From Lakeshore Road boutiques to Midtown professionals, Oakville businesses trust Ontario Tax Team to keep their finances running smoothly.
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Burlington
Burlington's growing entrepreneurial scene needs reliable bookkeeping and tax support. We're here to help Burlington businesses succeed.
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Milton
One of Canada's fastest-growing towns deserves a tax team that grows with it. We help Milton's small businesses stay organized and compliant.
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Specialized Expertise for Your Industry

We understand the unique financial needs of different industries and tailor our services accordingly.

ContractorsRestaurantsReal Estate InvestorsDental PracticesSelf-Employed

Helpful Resources for Business Owners

Practical guides and insights to help you manage your finances better.

Guide
Bookkeeping vs Accounting: What's the Difference?
Learn the key differences between bookkeeping and accounting, and which professional your business needs.
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Pricing
How Much Does a Bookkeeper Cost in Canada?
Complete 2026 pricing guide for bookkeeping services, including what to expect and what's included.
Read More
Tax Tips
Small Business Tax Deductions in Canada (2026)
Comprehensive list of tax deductions Canadian small businesses can claim. Maximize your deductions and save.
Read More
View All Resources

Ready to Take Control of Your Finances?

Book a free 15-minute consultation and let's talk about how we can help your business thrive.

Book Free ConsultationCall (905) 555-0123