Cross-Border US Tax &
Compliance Specialists
Taxonomics Advisors specializes in complex US tax architecture for American and Canadian citizens operating in a cross-border environment. For over 18 years, we have provided elite fiscal oversight for expatriates, high-net-worth investors, and multinational executives. Whether you are based in Canada or abroad, our team ensures your US filing obligations are met with absolute technical precision.
ITIN AcquisitionAs a designated IRS Certified Acceptance Agent, we expedite the procurement and renewal of Individual Taxpayer Identification Numbers. We manage the verification process directly, eliminating the need to mail your original passport to the IRS.
Specialized Personal TaxWe transform a high-friction filing process into a seamless strategic advantage. Our Enrolled Agents specialize in cross-border income, ensuring you achieve the minimum legally available tax liability while staying fully compliant with IRS mandates.
IRS Streamlined FilingFallen behind on US filings? We utilize the IRS Streamlined Foreign Offshore Procedures to bring you back into full compliance without the burden of heavy penalties. Our experts protect your wealth while normalizing your status with the Treasury.
LLC Structural AdvisoryNavigating how a state-registered LLC impacts your Canadian and US tax profile is critical. We provide structural guidance on flow-through taxation to ensure your US entity remains tax-efficient and legally sound on both sides of the border.
S-Corp RequirementsSubchapter S Corporations carry rigid eligibility rules regarding residency and shareholder status. We manage the complex oversight required to maintain S-Corp standing and avoid the pitfalls of unintended corporate taxation.
Windfall & Gaming TaxUS windfall taxes on lottery and gambling winnings can be aggressively withheld. We navigate the recovery process, managing the forensic documentation needed to reclaim over-withheld funds from the IRS.
US Citizenship Renunciation Advisory
Exiting the US tax system with legal and financial integrity.
Navigating the Burden of Citizenship-Based Taxation
The United States is unique in its global tax reach, mandating IRS filings for all citizens regardless of where they live. For many expats, this creates an expensive, perpetual administrative cycle and the persistent risk of double taxation. Strategic renunciation is a permanent solution—but only if executed with surgical precision.
Is a Strategic Exit Right for Your Legacy?
Renouncing US citizenship is a high-stakes decision. Without professional legal and tax oversight, the consequences are severe: the US Exit Tax, a permanent entry ban under the Reed Amendment, and ongoing US inheritance tax liabilities. Our priority is to provide the intelligence you need to decide if an exit aligns with your long-term family wealth and mobility goals.
Consult with our cross-border specialists at 306-291-8954 or via email at info@taxonomic.ca