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Live chat: Live chat
Email: hello@tandem.co.uk
Call: 020 3370 0970
If you suspect your details have been compromised or you've lost your phone, a block can be placed on your savings account to stop funds from being transferred out.
To place a block on your account, please call our dedicated support line at any time on 020 3937 8730 and we'll action it right away.
Open times
Mon - Fri: 9.00 -17.00
(excluding bank holidays)