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4.55% AER Cash ISA from the UK’s Best Mortgage Broker

Earn 4.55% AER (variable) with Tembo’s 12 Month Bonus Cash ISA, plus fee-free mortgage advice from our award-winning mortgage service*, exclusive to Tembo savers.

Transferring from another provider? Start here

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Your Cash ISA, at a glance

Earn 3.3x more interest with our 12 Month Bonus Cash ISA

Save up to £20,000 per tax year with our 4.55% AER (variable) Cash ISA
That's an underlying 2.80% AER (variable) + 1.75% AER (fixed) for the first 12 months
Unlimited easy access withdrawals, with no drop in your interest rate for withdrawing
Key features document

*Withdrawals can take up to 2 working days to be processed.

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Download the Tembo app

An award-winning app trusted by 400,000+ savers

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Watch your interest grow daily

Interest accumulates daily, and is paid into your account every month. Track interest gains in the app, and watch your savings grow over time.

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Save for your home, get fee-free mortgage advice

As a Tembo saver, you’ll get exclusive fee-free mortgage advice* from Tembo Mortgages - voted UK's Best Mortgage Broker four years running by our customers.

We’re so confident in our advice, we back it with our Best Mortgage Deal Guarantee.

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UK-based support

Our friendly support team are UK-based, and available 7-days a week to help when you need that human touch.

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All our savings accounts are covered by FSCS

Your funds are protected up to £120,000 by the Financial Services Compensation Scheme.

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Already saving with another provider?

You can transfer to us easily and securely. Get started today by downloading the Tembo app, and start earning our competitive interest rate on your past contributions and future deposits.

Find out more
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Explore our range of Easy Access Cash ISAs

4 x Winner

UK’s Best Mortgage Broker

The British Bank Awards

2022, 2023, 2024, 2025

Winner

Scale up of the year

The Lloyds British Business Excellence Awards

2025

2023

Best Lifetime ISA

Good Money Guide

2023

Winner

Best Experience Design

11:FS Awards

2023

Save for

4.50% AER

or

Stocks & Shares

Lifetime ISA

Save up to £4,000 per tax year

25% Gov bonus of up to £1,000

Cash (4.50% AER variable) or Stocks & shares

Read more about Lifetime ISA

4.55% AER

Cash ISA - Easy access

Unlimited instant withdrawals

No introductory rates, penalties or fees

Up to 4.55% AER (variable)

Read more about Cash ISA - Easy access

4.16% AER Fixed

Cash ISA - Fixed rate

Fixed interest rate for 12 months

Provided by Investec

Add up to £20,000 each tax year

Read more about Cash ISA - Fixed rate

5.75% AER

HomeSaver®

4.75% AER (variable) + 1.0% 12 month bonus

Bonus unlocked when you take out a mortgage through Tembo

FSCS protection & No withdrawal limits

Read more about HomeSaver®

Got questions? We’ve got answers

See all FAQs

Frequently asked questions

See all FAQs

Learn more

See all guides

*Fee-free mortgage advice is subject to eligibility, terms & conditions can be found here.