Services
Cross-Border Business & Tax
One coordinated operating picture across Canada, the United States and the jurisdictions that touch your
business — including tax, sales tax, multi-currency and inventory accounting, warehouse or 3PL exposure,
imports and advisor coordination.
Cross-border problems rarely sit inside one tax return.
Residency, nexus, sales tax, corporate structure, inventory, imports, currency, compensation and owner-level tax
can interact. A decision that appears reasonable in one jurisdiction can create an unexpected obligation in
another.
Our first job is to identify the complete fact pattern and determine what actually needs attention
Common situations
- A Canadian company is directed by an owner living outside Canada.
- A United States warehouse or third-party logistics provider creates state exposure.
- A Canadian business begins selling throughout the United States.
- Shopify or another platform flags Canadian or United States sales-tax obligations.
- Goods are manufactured abroad and imported into Canada or the United States.
- A company needs multi-currency, inventory and landed-cost accounting.
- An owner moves, works or invests across the border.
- Canadian and United States filings need to be coordinated.
- Multiple advisors are involved, but no one is organizing the whole picture.
Our approach
Phase 1: Cross-Border Diagnostic & Risk Map
We gather the relevant facts, identify potential obligations, establish immediate priorities and define which specialists may be required.
Phase 2: Buildout and Coordination
We assist with the agreed registrations, filings, accounting setup, reporting and coordination.
Phase 3: Ongoing Finance and Compliance Support
Where appropriate, we provide recurring reporting, compliance-calendar oversight and strategic finance support.
Professional Coordination
Where legal, customs or local-jurisdiction advice is required, we coordinate with the appropriate lawyer, customs broker or local tax specialist. We define responsibilities so that important work does not fall between advisors.
How Engagement Starts
Cross-border matters are fact-dependent, so we normally begin with a paid diagnostic rather than quote the entire assignment from a brief inquiry.
The resulting risk map identifies immediate actions, specialist needs, responsibilities, timing and a proposed implementation scope.
Good Fit
- A business or owner has an actual cross-border trigger, obligation or operating decision.
- The client is prepared to provide complete facts across the relevant jurisdictions.
- The matter benefits from coordinated tax, finance, reporting or operational advice.
- There is reasonable lead time to investigate and implement the work properly.
FAQ
What is cross-border tax?
Cross-border tax covers the obligations that arise when a business or its owners operate in both Canada and the United States. It applies to Canadian businesses expanding into the U.S. and to foreign businesses establishing operations in Canada. It includes corporate tax, sales tax, residency, structure and the reporting that supports all of it.
Do I need cross-border tax help?
You may, if you sell into the United States, store inventory in a U.S. warehouse or 3PL, import goods, have an owner living across the border, or have received a state notice or a sales tax alert from your platform. If you are a foreign business setting up in Canada, it is worth reviewing your registrations and filing obligations here early.
What is nexus?
Nexus is the connection between a business and a U.S. state that allows the state to impose income tax or sales tax obligations. It can arise from a physical presence, such as inventory or staff, or from sales volume alone.
How can Business360.CPA help with U.S. expansion or setting up in Canada?
By confirming where you have obligations, handling the registrations and filings that follow, setting up accounting that works across currencies and jurisdictions, and coordinating any U.S. or Canadian specialists the matter requires.
Why choose Business360.CPA for cross-border work?
Because cross-border issues rarely involve tax alone. Structure, inventory, currency, reporting and owner compensation all interact, and problems often arise when several advisors each see only part of the picture. We bring those pieces together and coordinate the whole.
Do you handle U.S. sales tax registrations?
Yes, once the analysis shows where registration is required. Registering in every state as a precaution can create ongoing filing obligations you may not need, so we review your exposure first.
Can you help implement the recommendations?
Once you have approved the priorities, Business 360.CPA team can carry the agreed work through implementation, including registrations, filings, accounting setup and coordination with other specialists. Responsibilities, timing and fees are confirmed before each piece of work begins, so you know what to expect.
How does a cross-border engagement start?
With a short Fit & Scope call to understand your business, where you operate and what has prompted the question. If cross-border support is the right fit, the next step is a fixed-fee Cross-Border Diagnostic and Risk Map. It gathers the facts across jurisdictions, identifies potential obligations and deadlines, sets immediate priorities and defines the scope of the work that follows.
What does cross-border support cost?
The diagnostic is a fixed fee. Registrations, filings and setup are scoped from what it finds, because the work depends on which jurisdictions are involved, and an accurate quote needs those facts first.
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