Write a review

Newsletter

Go to business site

Tandem: Cash ISA reviews

Name: Cash ISA
Rating: 4.73 (71 reviews)

View other Tandem products

4.73

Based on 71 reviews, last reviewed 14th Aug 2026

97% decrease 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

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

Latest lowest rating:

N/A

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

Read all reviews Write a review

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.

Review Tandem: Cash ISA now

Help others make smarter decisions by sharing your own experience.

Write a review

Tandem Cash ISA reviews (71)

Great product and service, love the app layout easy...

Great product and service, love the app layout easy to use Reviewed on: 29th March 2026

Simple and Refreshingly Hassle-Free Savings

I’ve had a really positive experience with the Tandem Cash ISA so far. The whole process—from opening the account to managing it day-to-day—has been straightforward and intuitive. What stands out most is the competitive interest rate, especially compared to some of the more traditional banks. It feels like my savings are actually working for me without needing to constantly switch accounts or chase better deals. The app experience is also a big plus—clean, easy to navigate, and quick to check balances or manage deposits. Everything feels transparent, with no hidden complications. Overall, it’s a great option if you’re looking for a simple, flexible, and rewarding way to save tax-free without the usual friction. Reviewed on: 28th March 2026

Easy and simple to navigate equals Customer friendly

So Easy to use and the rate was better than some others. I have had no need to contact the bank for help so in my mind that's an excellent reference Reviewed on: 28th March 2026

It is quite easy to use with clear instructions to f...

It is quite easy to use with clear instructions to follow the account in the mobile app. Reviewed on: 28th March 2026

its been ok.

its been ok. at the time it was the best out there Reviewed on: 28th March 2026

Nice experience, keep customer updated.

Nice experience, keep customer updated. Reviewed on: 28th March 2026

Convoluted ISA Switch

Attempted to switch a digital bank ISA to Tandem, no manual process for non-BACS ISA, so had to switch it to a high street bank and then switch to Tandem! Reviewed on: 28th March 2026

Good isa with a good interest rate.

Good isa with a good interest rate. Easy to add and withdraw money Reviewed on: 27th March 2026

Super easy especially if you already are a Tandem ac...

Super easy especially if you already are a Tandem account holder Reviewed on: 27th March 2026

Great app. Easy ISA Transfer.

Great app. Simple to use. Easy ISA transfer feature. Reviewed on: 27th March 2026

Review Tandem: Cash ISA now

Help others make smarter decisions by sharing your own experience.

Write a review

Alternative products

Cash ISA
from Ford Money 4.18 from 4 reviews
Junior ISA
from AJ Bell 3.97 from 2 reviews
Junior ISA
from Halifax 4.09 from 18 reviews

Join Smart Money People

Keep up to date on ratings of your favourite businesses. Find out about our awards and write new reviews with ease

Create an account

News, guides and insight from our team

View resource hub

Tandem: Cash ISA reviews

97% decrease in 5 star reviews

No new 1 star reviews

Latest highest rating:

5

Latest lowest rating:

N/A

About this product

Review Tandem: Cash ISA now

Tandem Cash ISA reviews (71)

Great product and service, love the app layout easy...

Simple and Refreshingly Hassle-Free Savings

Easy and simple to navigate equals Customer friendly

It is quite easy to use with clear instructions to f...

its been ok.

Nice experience, keep customer updated.

Convoluted ISA Switch

Good isa with a good interest rate.

Super easy especially if you already are a Tandem ac...

Great app. Easy ISA Transfer.

Review Tandem: Cash ISA now

Join Smart Money People

News, guides and insight from our team

UK money news stories - 24 July 2024

Your Money, Your Voice: Have your say

Our latest research - customers see little impact of FCA's Consumer Duty one year on

Consumer credit awards winners 2024