Currently, Winden is only available to US companies. If you own 25 % or more of a US company, you can apply for a Winden account.

To apply for a Winden account, you must provide a driver's license or other accepted Government ID and your Social Security Number.

If you're applying as a sole proprietor, you must provide proof of identity using your Social Security Number.

If you're applying as a U.S. C-Corp or LLC, you must provide a federal EIN, company formation documents, proof of identity, and your Social Security Number.