Chartered accountant meeting with clients in Toronto office
22+ Years Serving Toronto

Toronto's Trusted Chartered Professional Accountants

No firm in midtown Toronto combines the depth of expertise, personalized client care, and proven results that Zaionz & Adelstein delivers. From tax planning to corporate advisory, we help you build lasting financial success.

22
Years in Business
2,500+
Clients Served
4.8
Star Rating
4
GTA Locations Served

Comprehensive Accounting & Advisory Services

From personal tax returns to complex corporate restructuring, our Chartered Professional Accountants provide strategic guidance tailored to your unique financial goals.

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Tax Planning & Preparation

Personal and corporate tax returns, tax minimization strategies, CRA compliance, and year-round tax advisory to keep more of what you earn.

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Corporate Accounting

Full-cycle bookkeeping, financial statement preparation, payroll services, and management reporting for businesses across the GTA.

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Audit & Assurance

Independent audits, review engagements, and assurance services that build credibility with stakeholders, lenders, and regulators.

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Business Advisory

Strategic business planning, cash flow forecasting, mergers & acquisitions support, and growth consulting for ambitious companies.

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Estate & Trust Planning

Comprehensive estate planning, trust administration, and succession strategies to protect your wealth for future generations.

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CRA Representation

Expert handling of CRA audits, objections, and negotiations. We stand between you and the tax authorities so you can focus on business.

A Legacy of Trust & Financial Excellence in Toronto

For over 22 years, Zaionz & Adelstein Chartered Accountants has been the firm Toronto individuals and businesses turn to for reliable, strategic financial guidance. Founded on the principles of integrity, expertise, and personalized service, we've built lasting relationships across the Greater Toronto Area.

Our team of Chartered Professional Accountants brings deep expertise across tax law, corporate finance, and business strategy. Whether you're a growing startup in North York, an established family business in Vaughan, or planning your retirement in Richmond Hill — we're here to help you navigate every financial milestone with confidence.

CPA Ontario Registered 22 Years Experience 2,500+ Clients CRA Audit Experts
Chartered Professional Accountant advising a client

What Our Clients Say

Trusted by individuals, families, and businesses across the Greater Toronto Area for over two decades.

★★★★★

"Zaionz & Adelstein has handled our corporate taxes and bookkeeping for 8 years. Their strategic advice saved us over $40,000 last year alone. Truly exceptional CPAs who genuinely care about your success."

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David Rosenberg
North York, ON
★★★★★

"After a stressful CRA audit, Zaionz & Adelstein stepped in and handled everything professionally. They negotiated on our behalf and the outcome was far better than expected. I recommend them to everyone I know."

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Sarah Mitchell
Richmond Hill, ON
★★★★★

"We've been clients for 15 years. From personal tax planning to setting up our family trust, their expertise has been invaluable. Professional, responsive, and always available when you need them."

JL
James & Linda Chen
Vaughan, ON

Serving the Greater Toronto Area

Conveniently located in midtown Toronto, we proudly serve clients across the GTA with in-person consultations and comprehensive remote services.

Toronto North York Vaughan Richmond Hill

Ready to Take Control of Your Finances?

Contact Zaionz & Adelstein today for a free initial consultation. Discover why Toronto trusts us with their most important financial decisions.

Contact Us

Reach out today — we typically respond within 24 hours.

Contact Information

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AddressToronto, ON
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HoursMon-Fri 9:00 AM - 5:30 PM

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