Amex

Step 1: Follow this link: http://amex.co.uk/refer/mATTBBIvD?XL=MIMNS

Step 2: Check your eligibility

Step 3: Sign up and activate your card when it arrives

Step 4: Link your amex to your BA Executive Club so your avios are automatically transferred

Step 5: Spend to start earning 1 avios per £1 spent (tip: go via the BA exec club app to potentially earn more than 1/£1 spent!)

Bonus: Spend more than £1000 in your first 3 months to earn additional avios