One must pay a charge in order for us to process your request for a federal tax ID number. Most firms can anticipate spending between $149 and $250 depending on the service they choose, while the precise cost will vary depending on the application’s processing time and a few other variables. The quicker you receive your tax ID, the more money you may anticipate paying for the service. The expense of a service that can acquire a business owner a tax ID number quickly shouldn’t be an issue for business owners who need to start making money as soon as possible.