Trusted GTA Business Accounting Firm

More Than Business Accounting. A Financial Partner Built for Business Growth.

Most business accounting conversations look backward. Ours start with where you want to go. MiAccounting is a strategic financial partner for growing businesses and corporations, handling your tax and finances so you can focus on what matters and helping you think bigger about where your business is headed.

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20+
Years of Experience
GTA+
Serving All Ontario
CPA
Certified Leadership
1000+
Satisfied Clients

Trusted by corporations across the GTA — from startups to established businesses ready to scale

Medical Professionals Construction Companies E-Commerce Businesses Law Firms Engineering Firms Consultants Marketing Agencies Health & Wellness Solopreneurs Corporations Holding Companies Professional Services Medical Professionals Construction Companies E-Commerce Businesses Law Firms Engineering Firms Consultants Marketing Agencies Health & Wellness Solopreneurs Corporations Holding Companies Professional Services
About MiAccounting

We're Not Just Accountants.
We're Your Financial Team for Every Stage of Growth.

For 20+ years, the MiAccounting team has worked alongside business owners across Ontario for their business accounting, not just filing returns, but helping them understand their numbers, make smarter decisions, and build businesses that last.

We work with business owners at every stage, from solopreneurs and sole proprietors just getting started to incorporated businesses ready to scale. Our corporate clients include medical and health professionals, construction companies, e-commerce and online businesses, lawyers, engineers, consultants, marketing agencies, and other professional service businesses.

Whether you need airtight compliance, proactive tax strategy, or a financial partner who can sit at the table with you and think through the big decisions, we are built for that.

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Why Clients Trust Us

20+

Years of accounting expertise across Ontario

GTA+

Serving businesses across the Greater Toronto Area and all of Ontario

CPA

Chartered Professional Accountant led firm

CEPA

Certified Exit Planning Advisor on your team
What We Do

Everything Your Corporation Needs to Stay Clean, Stay Compliant, and Grow.

📈
Strategic Advisory & Fractional CFO
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Strategic Advisory & Fractional CFO
For businesses that need financial leadership without the full-time cost. We help you plan, forecast, and scale.
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📄
Corporate Tax Preparation & Planning
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Corporate Tax Preparation & Planning
We handle your T2 filings with precision and look for every CRA-compliant opportunity to reduce what you owe.
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👥
Personal Tax Preparation and Filing
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Personal Tax Preparation and Filing
We prepare and file your personal tax return accurately and on time, making sure nothing is missed and you stay fully compliant with CRA requirements.
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📚
Bookkeeping & Financial Records
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Bookkeeping & Financial Records
Clean books and records with MiAccounting's comprehensive cloud-based real-time bookkeeping services so you always know where your business stands.
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💳
HST Returns
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HST Returns
We prepare and file your HST returns on time, every period, making sure you stay on top of your taxes.
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💰
Payroll & WSIB
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Payroll & WSIB
We manage your payroll processing, source deduction remittances, T4 preparation, and WSIB filings so your employees are paid correctly and your compliance is locked in.
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🔮
SR&ED Application Assistance
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SR&ED Application Assistance
If your business invests in research, development, or process improvement, you may qualify for significant federal and provincial tax credits.
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🎯
Exit Planning & Business Transition
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Exit Planning & Business Transition
Whether you are planning to sell, transition ownership, or simply build a business worth more, we help you get there with a clear, strategic plan.
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Client Reviews

What Our Clients Are Saying

Why MiAccounting

What Sets Us Apart

01

With 20+ Years of Experience, we think ahead, not just backward.
Most accountants report on what already happened. We help you make better decisions about what comes next.

02

Built for growth, not just compliance.
We're the financial partner you bring in when you're ready to build something bigger.

03

Specialists in Businesses of Every Size and Structure.
From sole proprietors and small businesses to corporations and holding companies, we understand the financial complexity at every stage.

04

Responsive when it matters.
You won't wait weeks for a callback. Our clients get direct access and real answers.
Where We Serve

Serving Businesses Across Ontario

Toronto GTA Mississauga Brampton Vaughan Markham Richmond Hill Durham Region Peel Region York Region Halton Region Hamilton Burlington Oakville Kitchener Waterloo Cambridge Guelph London Barrie Orillia Simcoe County Kingston Ottawa Cornwall Sudbury North Bay Thunder Bay Sault Ste. Marie All of Northern Ontario

Ready to Work With a Financial Partner, Not Just a Tax Preparer?

Book a free, no-obligation consultation. We'll review your current situation, identify gaps, and show you what's possible.

(647) 727-9684 Book Online

Let's get started

Get in touch for a free, no-obligation consultation to find out how MiAccounting can help you achieve your financial goals.

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