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WHO WE ARE

Independent Advice. Enduring Relationships.

For more than 40 years, McLaren Trefanenko Inc. has helped individuals, families, and business owners navigate financial complexity with clarity and confidence.

We are more than accountants. We are long-term advisors — providing thoughtful, forward-looking guidance designed to protect what matters and prepare you for what’s next.

More About Our Firm

Tax Season - 2025 Tax Filings

It’s tax season!

We look forward to working with you again this year. We encourage clients to submit their documents to us online and securely through their client portal.

Submit Electronic Documents

If you wish to schedule a personal tax virtual (Zoom) or phone meeting with one of our accountants, click the link below:

Book a Meeting

Meet Our Team

Jason Trefanenko

Managing Partner

Jade Tien

Partner

Heather MacLean

Partner

Peter Baetsen

Accountant

Jane Andreev

Senior Accountant

Peter McLaren

Founder

Meet Our Team

Our Skills & Works

Content Marketing

Clients Reviews

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Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley.