American Express - Spend £30 or More at Addison Lee and Get £10 Back

I've never used Addison Lee though this could come handy for someone who needs to make a trip worth of £30 so it'd be only £20 afterwards.

OFFER DETAILS

Save to Card to get a £10 statement credit on an eligible app or web booking of £30+ by 31 January 2018. Valid once per Card for the first 30,000 Cardmembers to save. Terms and payment restrictions apply.

OFFER TERMS

• Only one £10 statement credit per UK Card for the first 30,000 Cardmembers to save.
• Available online only at addisonlee.com or via the Addison Lee mobile app.
• Offer is only intended for the targeted recipient of this offer.
• Offer only valid on journeys within the UK.
• Offer excludes Barclaycard.
• Only valid on journeys within the UK and excludes Courier Service, Executive Service and airport transfers.
• Offer only applies to spend made in Great British Pound (GBP) on the Card to which the offer is saved, including an American Express Card loaded into a mobile payment wallet.
• Offer does not apply to spend on other Cards you might hold and is not valid for transactions made using third party Payment Aggregators.
• An awarded credit may be reversed if qualifying transaction is refunded or cancelled.
• Credit should appear on your billing statement within 5 days from qualifying spend but may take up to 90 days from 31 January 2018.
• For full offer terms and more details about statement credits click here. By saving the offer to your Card, you agree to the offer terms.