Hm, that does seem a bit excessive. What type of worker are you set up as? A 1099 or are you running through a business (i.e. an LLC)? There's nothing wrong wi

Hm, that does seem a bit excessive. What type of worker are you set up as? A 1099 or are you running through a business (i.e. an LLC)? There's nothing wrong with asking why they need all of that information. If they're just looking for references, get their clarification and provide as necessary. Beyond that, they should only need a W-9 for tax info (this would have either your SSN or Employer's Identification Number). Don't give away anything you're not comfortable with.