Up to 50,000 – yes 50,000 – free Membership Rewards points for Amex Platinum holders
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If you have an American Express Platinum card, this is a fantastic deal.
If you don’t have an American Express Platinum card, this deal may well persuade you to get one – especially as it runs until the end of February.
American Express is offering 10,000 Membership Rewards points for every supplementary card you add to your Platinum charge card account.
This is a phenomenal deal. 10,000 Membership Rewards points gets you 10,000 Avios amongst many other things. More importantly, supplementary cards are FREE.
You can take a look at the Membership Rewards catalogue here. The airline redemption partners are here.
If you don’t currently have any supplementary cardholders on your Platinum charge card, you could earn 50,000 bonus Membership Rewards points by adding the maximum five people.
As an Amex Platinum charge card holder, you are allowed to issue FIVE supplementary cards. The first one will come as a Platinum card and will receive ALL of the Platinum card benefits. They will receive their own Priority Pass for airport lounge access and can claim their own Starwood Gold, Club Carlson Gold and Le Club Accorhotels Platinum status cards. They also receive Eurostar lounge access.
The other four supplementary cards will be Gold or Green. These cards will benefit from the Platinum travel insurance coverage but do not qualify for any hotel status cards or a Priority Pass. You also do not receive the Lounge Club airport lounge access card that comes with a standalone Amex Gold.
Here are a few other points to remember:
All of the charges on the supplementary cards appear on YOUR statement as the main cardholder.
You, as the main cardholder, are legally liable for ensuring they are paid.
Supplementary cardholders must be over 18.
A supplementary cardholder is not treated as being an American Express cardholder in their own right. This means that, if they later choose to apply for their own Gold or Platinum card in their own name, they will be treated as a new customer and will receive a sign-up bonus.
Whilst you are liable for any spending by supplementary cardholders, American Express will still do ID checks on your applications. If the applicant does not have a UK bank account and/or does not appear on the electoral roll, on the council tax register and/or does not have other credit cards in their own name, they are likely to be refused. I tried and failed to get a supplementary Amex card for our nanny a couple of years ago.
As you can see from the application page, this offer runs until February 28th 2015.
If you do not already have a Platinum charge card but had been thinking about it, this may swing it for you. As well as the 30,000 Membership Rewards points you receive for signing up, you could also receive a further 50,000 points for issuing five supplementary cards. My full review of Amex Platinum can be found here. The application page for new cardholders is here.
Note that you MUST use this link to apply for your supplementary cards in order to receive the 10,000 bonus points. Any other link, including adding supplementary cards during the application process for a primary card, will not work.
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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
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