Fuller Landau has one of the deepest US cross border tax groups in Toronto. Our clients demand significant expertise and come to us for our wide scope of technical and practical experience.

Who we work with

Our clients are referred to us by lawyers, other accountants, financial advisors, and existing clients. Some clients come to us to repair inexpert work done by previous return preparers.

Our clients include:

  • Canadian companies with US business activities
  • Canadian companies employing Americans assigned to Canada
  • US companies with Canadian business activities
  • US companies employing Canadians assigned to the US
  • High net worth US expats and others with complex tax scenarios resident in Canada
  • High net worth Canadians with US tax filing responsibilities

Fuller Landau and The Leading Edge Alliance

Fuller Landau is a member of The Leading Edge Alliance (LEA), the second largest international association of independently owned accounting and consulting firms with firms in 90 countries and approximately 15,000 professional staff members.

We regularly work with LEA member firms and other firms with whom we have a global relationship to assist our clients. Even US based firms reach out to us for US tax advice!

Our services

Our services include:

  • US and state income tax compliance services for businesses and individuals
  • State and local sales tax advisory services
  • Treaty and state nexus jurisdictional reviews
  • Cross border tax business entity structuring
  • Payroll and employment tax optimization
  • Estate tax planning
  • Taxpayer advocacy and representation before IRS, CRA and the states

For more information, contact us or meet our team.

US and Cross-Border Tax insights

COVID-19: Temporary Wage Subsidy for Employers – Further Information

Gordon Jessup • March 22, 2020

The Temporary Wage Subsidy for Employers was announced by the Government of Canada on March 18, 2020.  It is a three-month measure to assist eligible employers by reducing the amount of payroll deductions required to be remitted to the Canada Revenue Agency (CRA). An eligible employer is a Canadian-controlled private corporation (CCPC), a non-profit organization

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IRS: Notice 2020-18: Federal income tax deadline extension for filing and payment

Jeffrey Brown • March 22, 2020

On Friday evening, March 20, 2020, Internal Revenue Service (IRS) released an advance copy of Notice 2020-18 (superseding Notice 2020-17) automatically extending the federal income tax filing and payment due dates for certain federal income taxes from April 15, 2020 until July 15, 2020. Notice 2020-18 applies to individuals, trusts, estates, partnerships and corporations. Taxpayers

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IRS: Notice 2020-17, Relief for Federal Taxpayers in response to COVID-19 – March 18, 2020

Jeffrey Brown • March 19, 2020

On Wednesday, March 18, 2020, the Internal Revenue Service (IRS) released an advance copy of Notice 2020-17 setting forth broad relief for certain taxpayers to defer payment of federal income taxes coming due. Notice 2020-17 is in response to President Trump’s March 13 emergency declaration regarding COVID-19 (coronavirus). IMPORTANT: Notice 2020-17 does not extend the

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Talk to us.

Our team of advisors supports our clients with the knowledge and expertise you need to reach your business objectives.

It starts with a conversation. Let us know how we can help.







“Fuller Landau has a deep knowledge of our various businesses, international dealings, and personal finances. I have total comfort knowing that they’ve got everything under control.”

– Costa K., Owner of food & beverage manufacturing business

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