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Guides

Straight answers, written by the people who’d file it.

1,407 plain-English guides on cross-border moves, US and Canadian returns, and small-business money. Each one ends in what to do next, and says when a written Position Check is the smarter first step.

CROSS-BORDER A Canadian Corporation With a U.S. Shareholder
  • What applies to you
  • What it costs if you wait
  • What to do next
1,407 guides
Cross-Border Tax (U.S.–Canada)

Canadian Contractor Working U.S. Job Sites: The Construction Permanent Establishment, State Contractor Licensing, and Withholding on U.S. Work

October 1, 2026

A Canadian contractor taking a U.S. job — an installation, a construction project, a specialty trade subcontract — performs its work on U.S. soil, and the treaty has a specific rule for construction sites: a site that lasts more than twelve months is a permanent establishment. Shorter projects are protected from federal tax, but the states, the contractor licensing boards, the workers' U.S. tax and immigration, and the client's withholding all still apply. Here is each.

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Cross-Border Tax (U.S.–Canada)

Canadian Corporation With U.S. Investment Income: The W-8BEN-E, the Limitation on Benefits, and the Portfolio That Makes a CCPC Pay More

October 1, 2026

Canadian private corporations often invest their retained earnings in U.S. stocks — and the U.S. dividends arrive with withholding, the corporation's W-8BEN-E decides whether it's 15 percent or 30 percent, and the treaty's limitation-on-benefits test decides whether the corporation can claim the treaty at all. On the Canadian side, the U.S. dividends are foreign investment income taxed at the high refundable rate, with the foreign tax credit rules for a corporation. Here is each layer, and the U.S. estate tax question the corporation helps answer.

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