W.L. Dueck & Co.’s practice is limited to US and cross-border tax matters working principally with Canadian business and investment in the US and US citizens resident in Canada.

Learn more about W.L. Dueck & Co.


We offer a range of US and Cross-Border Tax Services

Tax Strategies

  • Canadians with US Business Activities and Investments
  • US Citizens Resident in Canada
  • Cross-Border Ownership Strategies
  • Canadian Investment in US Real Estate
  • US Investment and Operations in Canada
  • Cross-Border Acquisitions and Mergers
  • Investment in Canadian Real Property by US persons
  • State and Local Tax Planning
  • Representation before Canada Revenue Agency and Internal Revenue Service

Tax Return Preparation

  • IRS Acceptance Agent to obtain US Individual Taxpayer Identification Number ("ITIN")
  • US Federal, State and Canadian Individual Income Tax Returns
  • US Federal and State Corporation Income Tax Returns
  • Canadian Corporation Income Tax Returns and Disclosures (for Canadian entities owned by US persons)
  • Canadian Clearance Certificate Applications (for the sale of Canadian real property by non-residents of Canada)