NEW: Get 6,000 points when you add a free Amex Gold supplementary card

American Express has launched a special offer for anyone who holds the American Express Preferred Rewards Gold Credit Card and who has never added a free supplementary cardholder.

Until 21st May, the bonus for adding your first supplementary card is doubled to 6,000 Membership Rewards points.

There is no spend target to hit on the supplementary card.

The only bit of small print to note is that “bonus points will appear in at least two instalments of 3,000 and 3,000” points.

Your first supplementary card is free so this is a very easy pile of points.

This offer is only available on the FIRST supplementary card added to your American Express account. If you already have a supplementary card in issue, you will not get the bonus if you add another one to the same account.

You MUST use this page of the American Express website to apply.

Other cards also have supplementary card bonuses

Whilst no other card is running a special offer at the moment, the usual bonuses – as long as you apply via the link above – are available on other key American Express cards when you add your FIRST supplementary card:

• The Platinum Card – 5,000 Membership Rewards points
• The American Express Rewards Credit Card – 2,000 Membership Rewards points
• British Airways American Express – 1,000 Avios
• British Airways American Express Premium Plus – 3,000 Avios
• Marriott Bonvoy American Express – 3,000 Marriott Bonvoy points
• Nectar Credit Card – 3,000 Nectar points
• The Harrods American Express Card – 1,000 Harrods Rewards points
• Platinum Cashback / Platinum Cashback Everyday – £5

How long does the offer run?

The special offer on American Express Preferred Rewards Gold runs to 21st May.

If you have never issued a supplementary card in the past on your current Amex Gold card, now is as good a time as you will get.

You must use this special page of the American Express website to add your supplementary card. If you use any other page of the Amex website, your bonus will not track.

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Want to earn more points from credit cards? – May 2025 update

If you are looking to apply for a new credit card, here are our top recommendations based on the current sign-up bonuses.

In 2022, Barclaycard launched two exciting new Barclaycard Avios Mastercard cards with a bonus of up to 25,000 Avios. You can apply here.

You qualify for the bonus on these cards even if you have a British Airways American Express card:

Barclaycard Avios Plus Mastercard

Get 25,000 Avios for signing up and an upgrade voucher at £10,000 Read our full review

Barclaycard Avios Mastercard

Get 5,000 Avios for signing up and an upgrade voucher at £20,000 Read our full review

You can see our full directory of all UK cards which earn airline or hotel points here. Here are the best of the other deals currently available.

SPECIAL OFFER: Until 27th May 2025, the sign-up bonus on the ‘free for a year’ American Express Preferred Rewards Gold card is increased from 20,000 Membership Rewards points to 30,000 points. Points convert 1:1 into Avios (30,000 Avios!) and many other programmes. Some people may see even higher personalised offers. Click here to apply.

SPECIAL OFFER: Until 27th May 2025, the sign-up bonus on American Express Platinum is increased from 50,000 Membership Rewards points to a huge 80,000 points. Points convert 1:1 into Avios (80,000 Avios!) and many other programmes. Some people may see even higher personalised offers. Click here to apply.

American Express Preferred Rewards Gold Credit Card

Your best beginner’s card – 30,000 points, FREE for a year & four airport lounge passes Read our full review

British Airways American Express Premium Plus Card

30,000 Avios and the famous annual Companion Voucher voucher Read our full review

The Platinum Card from American Express

80,000 bonus points and great travel benefits – for a large fee Read our full review

Virgin Atlantic Reward+ Mastercard

18,000 bonus points and 1.5 points for every £1 you spend Read our full review

Earning miles and points from small business cards

If you are a sole trader or run a small company, you may also want to check out these offers:

The American Express Business Platinum Card

50,000 points when you sign-up and an annual £200 Amex Travel credit Read our full review

The American Express Business Gold Card

20,000 points sign-up bonus and FREE for a year Read our full review

Capital on Tap Pro Visa

10,500 points (=10,500 Avios) plus good benefits Read our full review

Capital on Tap Visa

NO annual fee, NO FX fees and points worth 1 Avios per £1 Read our full review

British Airways American Express Accelerating Business Card

30,000 Avios sign-up bonus – plus annual bonuses of up to 30,000 Avios Read our full review