The I-129 filing fee, the fraud prevention fee, any asylum program fee applicable to the employer's size, optional premium processing, and professional fees for preparing the petition. Amounts are on the USCIS fee schedule and should be confirmed at filing.
Separate petition costs from the cost of running a U.S. plant
The government side of an L-1A petition is a set of charges listed on USCIS Form G-1055: the Form I-129 fee, a fraud prevention and detection fee, and an asylum program fee whose amount depends on the petitioner's size and status. Premium processing is optional and buys a decision within a defined window for an additional fee. If the manager needs an L-1 visa stamp, the consular fee is separate; a Canadian citizen usually applies for admission at the border with the approved petition instead.
Professional fees vary with complexity, and a Boischatel employer should ask whether the quote includes responding to a request for evidence. None of these costs relates to the larger commitments the transfer brings: relocation, housing, the spouse's licensing, and the payroll and tax arrangements for a person now working in Maine. Those belong in the business plan, not in the immigration budget, but they should be decided at the same time.