NEW: Earn bonus points adding someone to your Marriott, Nectar or ARCC Amex card

Adding a supplementary cardholder to your American Express card has two key benefits:

• you earn points, and trigger sign-up bonuses, more quickly when two people are carrying a card

• you receive a second batch of cardholder cashback offers, as long as the supplementary card is registered online

On most of the American Express cards, you would also receive bonus points for adding a supplementary cardholder.

This is NOT usually a benefit for holders of the Marriott, Nectar, Amex Rewards Credit Card or Harrods American Express card. However, for a limited period, it is – see the Amex website here.

Until 31st July, you will receive:

• 3,000 Marriott Bonvoy points when you add your first supplementary card to your Marriott Bonvoy American Express

• 3,000 Nectar points when you add your first supplementary card to your Nectar American Express

• 2,000 Membership Rewards points when you add your first supplementary card to your American Express Rewards Card or Amex Green card

• 1,000 Harrods Rewards points when you add your first supplementary card to your Harrods American Express card

This are valuable incentives, given that the supplementary card is free:

• 3,000 Marriott Bonvoy points are worth £15 using HfP valuations

• 3,000 Nectar points are worth 1,875 Avios, which are worth £18.75 using HfP valuations (or use them for £15 of Sainsbury’s shopping)

• 2,000 Membership Rewards points are worth 2,000 Avios (£20 on our valuations) if you choose to use them for that

• 1,000 Harrods Rewards points are worth £10

The points will post very quickly. You should see them within 3-4 days of applying for the supplementary card. There is no requirement to spend a particular amount on the supplementary card.

How to apply

American Express has a special website for adding supplementary cards which you can find here.

This page also contains the standard supplementary card offers for the core Amex cards.

You cannot apply for a supplementary American Express Rewards Credit Card via that page. You need to log into your online Amex account and follow the link on your statement page, which may be under the ‘Offers’ section.

These special offers for adding supplementary American Express cards will run until 31st July.

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Want to earn more points from credit cards? – April 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

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

30,000 Avios and the famous annual 2-4-1 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:

American Express Business Platinum

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

American Express Business Gold

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

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