Trusted Canadian & U.S. Tax Preparation Since 1981.
At CIS, we take the stress out of filing taxes. With over 45 years of experience, we provide professional & dependable Canadian and U.S. income tax preparation year-round.
Every tax return prepared at our office undergoes a thorough review process by staff with decades of experience to ensure accuracy and compliance. Year-round CRA or IRS correspondence support is always included in our fees to provide our clients greater confidence with their tax affairs.
We offer flexible filing options to suit your needs. Simply visit us in person or submit your documents virtually and let us take care of the rest!
New client? Please use our Contact Form to get started.
Canadian Tax Preparation
We provide Canadian tax return preparation for individuals, trusts, and corporations, while always ensuring your tax return is accurate, compliant with tax legislation, and optimized for all eligible deductions and credits.
Check out our Canadian Tax Return Page for more information.
U.S. Tax Preparation
We provide U.S. tax return preparation for U.S. citizens and Canadian residents with U.S. income tax obligations, ensuring that you stay compliant with IRS requirements and avoid costly penalties. CIS is a Certified Acceptance Agent.
Check out our US Tax Return Page for more information
U.S. Gambling Tax Recovery
We specialize in U.S. gambling tax recovery and are proud to offer Certified Acceptance Agent (CAA) services for ITIN applications. We believe in transparent and flat-fee pricing to help you keep more of your winnings.
Check out our US Gambling Tax Recovery Page for more information.