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Tandem: Cash ISA reviews

Name: Cash ISA
Rating: 4.69 (74 reviews)

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4.69

Based on 74 reviews, last reviewed 13th Oct 2026

100% increase in 5 star reviews

in the past 90 days

No new 1 star reviews

in the past 90 days

92%

3 star

2 star

1 star

Latest highest rating:

5

Easy to open and maintain accounts. Easy to open and maintain accounts. Reviewed on: 13th October 2026

Latest lowest rating:

N/A

This product has not received a review of either 1 or 2 stars.

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About this product

Tandem offer fixed rate cash ISAs and easy access cash ISAs.

Tandem cash ISAs can be opened online. If you withdraw money from a fixed rate cash ISA, you’ll pay a penalty. You get unlimited withdrawals and deposits with an easy access cash ISA.

Tandem cash ISA reviews help you find out what it’s really like to be a customer. If you’ve used Tandem before, you can also leave a review and share your experience.

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Tandem Cash ISA reviews (74)

Easy to open and maintain accounts.

Easy to open and maintain accounts. Reviewed on: 13th October 2026

Tandem's interest rates are consistently higher than...

Tandem's interest rates are consistently higher than their competitors. The app is great too. Reviewed on: 13th October 2026

Tandem makes saving essy

Smooth easy process with super easy to use app. Reviewed on: 13th October 2026

Because nice bank tandem .

Because nice bank tandem . Nice communication I like is bank . Reviewed on: 14th August 2026

Excellent cash isa rates.

Excellent cash isa rates. Quick and easy to open an account Reviewed on: 12th June 2026

Tandem are great to deal with, interest rates are up...

Tandem are great to deal with, interest rates are up with the best and the app is fantastic. Happy customer here! Reviewed on: 16th April 2026

Great Cash ISA, easy and simple to transfer money

I've had a Tandem savings account for a few years and so when they launched the Cash ISA it was great news. I can now save Tax Free! Great App and easy to use and transfer money. Reviewed on: 14th April 2026

Excellent servive and great savings rates

Excellent servive and great savings rates Reviewed on: 3rd April 2026

ISA transfer in.

Verbal help provided by Heather during ISA fixed term transfer. Features and time frames clearly explained. Assistance given over the telephone to open new fixed ISA. Reviewed on: 31st March 2026

Easy access to all our accounts app is easy to...

Easy access to all our accounts app is easy to use Reviewed on: 30th March 2026

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