Reply To: Amex Platinum for existing BA Amex PP holder. (sign up bonus question)

[marshy11]

My understanding is you can refer from any Amex to any Amex.

https://www.americanexpress.com/en-gb/referral

The T&C show:

Yes, your friend will be able to see the different Card options available once they click on the unique link. You will then be eligible to receive bonus rewards for referring, depending on the Card they choose.