Amex Referral Link (UK)
Use a referral link to get boosted Amex points.
***Click "View all cards with a referral offer" to see all options.***
OFFERS:
Gold card: 35,000 points (+£100 Selfridges gift card) sign up bonus (free for first year)
Platinum card: 85000 points (+£150 Selfridges gift card) sign up bonus (£650/year, but pro rata refunds available)
British Airways Premium Plus card (black): 31,000 points
British Airways card (blue): 10,000 points (free)
N.B. the link defaults to the Gold card (as that's my card) but if you click "View all cards" you can get an enhanced welcome bonus on *any* Amex card.