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What these engagements turn on
Three Countries in One File and Two Treaties That Disagree
Income sourced in one country, paid to a resident of a second, held through an entity in a third: three bilateral treaties, no three-way rule. The analysis works out which pair governs each flow, and whether the middle entity is entitled to anything at all.
Read how this one runsAn Assignee Paid at Home and Taxable Away
Where pay stays on the home payroll but the tax arises elsewhere, a shadow run reports the second country's liability without duplicating the payment. Setting it up correctly is what keeps both sides reconcilable.
Read how this one runsOne Salary, Two Countries Claiming It
A US citizen resident in Canada, taxed in full on both sides because each return was prepared without the other in view. Deciding which country has the first right to the income, then claiming relief on the second return in the right order, is what stops the same dollar being taxed twice.
Read how this one runsTreaty Rate Refused Because the Paperwork Was Missing
A reduced rate under a treaty is available only where the payer is satisfied the recipient is resident in the treaty country. The certificate and the withholding form are what make the rate available at source instead of recoverable a year later.
Read how this one runsA US Filer Married to Someone Outside the System
Electing to treat a non-resident spouse as a US filer buys joint rates and brings that spouse's worldwide income and foreign accounts into the return. The election is easy to make and hard to revoke, so both positions are modelled first.
Read how this one runsThe Deemed Sale That Happens on Death
Canada treats most capital property as sold at fair market value on death, so a terminal return can carry tax on gains nobody realised. Valuations and the order of the returns are what decide the figure.
Read how this one runsComing Back to Canada After Years Abroad
Returning restarts Canadian residence and re-values what you own on the day you arrive. Foreign pensions, employer plans and accounts opened abroad each land differently, and the reporting thresholds are tested against the whole portfolio rather than each account.
Read how this one runsUS Estate Tax on Assets a Canadian Did Not Know Were Exposed
US shares and US real estate sit inside the US estate tax net regardless of where the owner lives. The treaty provides relief that is proportionate rather than automatic, and the calculation depends on the worldwide estate.
Read how this one runsAll case studies — every published engagement in one place.
Core International & Cross-Border Tax Services
International Tax Planning & Advisory
Strategy and compliance for income, assets and families spread across borders.
U.S. & Cross-Border Tax Returns
Expat & Emigration Tax
Non-Resident Canadian Tax
Transfer Pricing & BEPS
Tax Treaties & Withholding
Cross-Border Estates & Trusts
Global Investments & Reporting
Cross-Border Corporate Tax
India Tax for NRIs & Returning Residents
Canadian Tax with a Foreign Element
UAE Tax for Expats & Their Home Country
Industries & Client Types We Serve Worldwide
Global E-commerce & Marketplaces
- Foreign VAT / GST / sales tax registrations
- Marketplace withholding reviews
- Inventory nexus & PE analysis
- Multi-currency books reconciled
Technology & SaaS
Software revenue crosses borders by default — sourcing rules, withholding on licence-like payments and IP location decide the effective rate.
Software revenue is rarely taxed where the team sits. Licence, subscription and service income are characterised differently by each side, and the answer decides withholding at source, treaty relief and whether a foreign customer creates a taxable presence at all — questions that are cheap to settle before the contract and expensive afterwards.
- Cross-border revenue sourcing & withholding
- IP structuring with real substance
- Equity for cross-border teams
- U.S. expansion: entity & PE setup
Professional Services Firms
- Reg 105 / 102 waivers
- Permanent establishment risk
- Partner mobility planning
- Cross-border withholding recovery
Cross-Border Real Estate
- Section 216 rental returns
- FIRPTA withholding recovery
- Section 116 clearance
- Treaty credit optimization
Importers, Exporters & Manufacturers
- Transfer pricing documentation (s.247)
- Customs value vs transfer price
- Foreign affiliate reporting (T1134)
- Country-by-country reporting
Athletes, Artists & Entertainers
- Reg 105 & U.S. CWA agreements
- Multi-state & country calendars
- Touring income allocation
- Royalty & image-rights withholding
Remote Workers & Digital Nomads
- Residency analysis before moving
- Employer payroll exposure
- Totalization & social security
- Foreign tax credits
Investment Funds & Holding Companies
- Treaty access & PPT reviews
- FAPI & surplus computations
- Withholding-efficient routing
- Governance & substance



