Canadian contractors are not subject to US tax reporting requirements like Form 1099 because they are not US residents or citizens. Instead, Canadian contractors may receive their own country's equivalent tax forms or documentation from their clients or employers in Canada, depending on local tax regulations.
A US citizen can work as either an employee or contractor for a Canadian company. This will depend on the preferences of the company, and ease of hiring. As an employee they would sponsor your work permit, but as a contractor you would have to do this on your own.
Canadian contractors are not subject to US tax reporting requirements like Form 1099 because they are not US residents or citizens. Instead, Canadian contractors may receive their own country's equivalent tax forms or documentation from their clients or employers in Canada, depending on local tax regulations.
The IRS requires a flat 30% withholding on ALL types of payments to foreign national individuals UNLESS: The individual has a U.S. tax identification number (SSN or ITIN) and qualifies for a tax reduction under the tax treaty between the U.S. and their country of tax residency.
All persons ('withholding agents') making US-source fixed, determinable, annual, or periodical (FDAP) payments to foreign persons generally must report and withhold 30% of the gross US-source FDAP payments, such as dividends, interest, royalties, etc.
Payments to a foreign corporation in exchange for personal services performed in the US by either a US citizen or alien is considered to be US-sourced income and is usually subject to withholding. (Can be wages or self-employment income.)
Exemption from withholding To qualify for this exempt status, the employee must have had no tax liability for the previous year and must expect to have no tax liability for the current year. A Form W-4 claiming exemption from withholding is valid for only the calendar year in which it's furnished to the employer.