Home / Cross-Border M&A / Tax and Structuring in a Cross-Border Sa
Updated August 2026
Windsor Drake advises founders on the deal structure behind a cross-border sale to a U.S. buyer, working alongside tax counsel. Structure can change net proceeds more than a turn of multiple, so it belongs at the start of a process, not the end. This page is advisory perspective, not tax or legal advice.
Buyers often prefer asset purchases for the step-up and liability protection; sellers usually prefer share sales for treatment and simplicity. Across borders the trade-offs sharpen, because the choice interacts with treaty treatment, withholding, and local rules. The right structure is negotiated, and it should be modeled before going to market so you know your net at each option.
Cross-border proceeds can be subject to withholding, often reduced or eliminated under the relevant tax treaty (for example, the Canada-U.S. treaty). Eligibility depends on entity type, holding structure, and documentation.
Getting treaty treatment right, and filing for it correctly, is a planning exercise with real dollars attached. It is the kind of thing that is cheap to plan early and expensive to fix late.
For many founders the rollover and the second bite are where the largest after-tax value sits; structuring them well across borders is worth real attention.
The exchange rate at close, how escrow and earnout amounts are denominated, and the timing of payments all affect what a founder actually keeps. Currency should be considered alongside tax structure, not as an afterthought. Modeling net proceeds under realistic scenarios before launch keeps surprises out of the closing.
Buyers often want assets, sellers often want shares; across borders the choice interacts with treaty treatment and withholding. Model net proceeds under each before going to market.
Possibly, though treaties such as the Canada-U.S. treaty often reduce or eliminate it depending on structure and documentation. Plan it early with counsel.
It depends on the vehicle and jurisdictions involved and is a key planning item, since rollover and the eventual second bite often hold a founder’s largest after-tax value.
Yes. The exchange rate at close and how escrow and earnouts are denominated affect what you keep, so currency belongs in the structuring conversation.
Before the process launches. Structure can shift net proceeds more than a turn of multiple, and it is far cheaper to plan early than to fix late.
No. This is advisory perspective on how structure affects outcomes; Windsor Drake works alongside your tax and legal counsel, who provide the formal advice.
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