500 Avios for adding a supplementary cardholder to your BA Amex account
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This was first mentioned in the Comments to another article a few days ago. (This is why I recommend that email and RSS subscribers to Head for Points should also check out the site itself occasionally, and why people who read the site early in the morning should check back later in the day to read the comments!)
American Express is offering British Airways American Express cardholders 500 bonus Avios points when they add a supplementary cardholder to their account.
Supplementary cards are free. There is no stated limit about how many you can give out – the terms and conditions of the card only say “We may limit the number of Supplementary Cardmembers allowed on your Account”. Applicants must be over 18, however.
You obviously shouldn’t be giving out cards to all and sundry, but if your partner or over-18 children don’t have one, it may be worth filling in the form. You don’t actually have to give them the card when it arrives.
Want to earn more points from credit cards? – January 2023 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 February 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
25,000 Avios for signing up and an upgrade voucher for spending £10,000 Read our full review

Barclaycard Avios Mastercard
5,000 Avios for signing up and an upgrade voucher for spending £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 21st February 2023, the sign-up bonus on the British Airways Premium Plus American Express card is increased to 35,000 Avios from 25,000 Avios. You can apply here.

British Airways American Express Premium Plus
35,000 Avios (ONLY to 21st February) and the famous annual 2-4-1 voucher Read our full review

American Express Preferred Rewards Gold
Your best beginner’s card – 20,000 points, FREE for a year & four airport lounge passes Read our full review

The Platinum Card from American Express
30,000 points and unbeatable travel benefits – for a fee Read our full review

Virgin Atlantic Reward+ Mastercard
15,000 points bonus 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:
SPECIAL OFFER: Capital On Tap has increased its sign-up bonus to points worth 30,000 Avios if you apply by 4th February. This is exclusive to Head for Points readers. Click here to apply.

American Express Business Platinum
40,000 points sign-up bonus and a £200 Amex Travel credit every year Read our full review

American Express Business Gold
20,000 points sign-up bonus and free for a year Read our full review

British Airways Accelerating Business American Express
30,000 Avios sign-up bonus – plus annual bonuses of up to 30,000 Avios Read our full review

Capital On Tap Business Rewards Visa
Get a 30,000 points bonus, worth 30,000 Avios, until 4th February 2023 Read our full review
For a non-American Express option, we also recommend the Barclaycard Select Cashback card for sole traders and small businesses. It is FREE and you receive 1% cashback on your spending.

Barclaycard Select Cashback credit card
1% cashback (3% for 3 months if you apply by 31st March) and no annual fee Read our full review
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