State licensure or comity applications carry their own fees and requirements set by the licensing board, entirely separate from immigration costs. On the immigration side, expect legal review, possible credential evaluation and translation, and route-dependent government fees to confirm against current published amounts.
Budget the two tracks separately
Licensure and TN eligibility are decided by different bodies on different timelines, so a single combined estimate obscures both. Ask the licensing board what it requires for someone credentialed in Canada, and ask counsel what the immigration route costs. Where a client expects the professional to be licensed before work begins, clarify in the contract who bears those costs and when they fall due.
Hypothetical example: a land surveyor holding a Québec commission finds the destination state requires its own examination on local practice before any comity licence issues. That examination has a sitting calendar, and it is the calendar rather than the fee that usually moves the start date. Put three questions to the state board in writing: what it accepts from a candidate credentialed in Canada, what it examines separately, and what turnaround it has actually seen recently.
On the immigration side, ask counsel for a written scope stating what is included and what would be billed on top, such as a reply to a request for further evidence. Set both answers in one table so the client can see which track governs the date.