
Lock your savings away for 12-months with our Fixed Rate Cash ISA and earn 4.30% AER (fixed). Plus add more funds later on to lock-in for 12-months from the date they are added, at the rate available at the time.
Lock in at 4.30% AER with just £500
Add up to £20,000 each tax year
Provided by Investec









The base rate could be at 3.5% by the middle of 2026, with further cuts predicted. Protect against the unknown with a fixed rate for 12-months.
Source: This is Money

Interest is calculated daily, and is paid into your account after 12-months. Track your interest gains in the app while you wait for the payout.

Add funds to lock-in at 4.30% AER (fixed) today. Want to add more in the future? New funds will instantly lock-in for 12-months from the date they are added, at the rate available at the time



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Average time to mortgage offer is just 10 days
We'll find you the best deal
From 20,000+ products and 100+ lenders
A dedicated case manager & advisor
By your side from hello to getting your keys
Property insights and survey reports
Free home reports with 120+ data points
Advice from UK's Best Mortgage Broker
As voted by our customers four years running in 2022, 2023, 2024 & 2025.
From building your first house deposit to saving for retirement, our award-winning savings and investment app helps you save towards life’s milestones faster.
Black Friday: Up to £300 cashback
SAVING FOR FIRST HOME OR RETIREMENT
Save up to £4,000 per tax year
25% Gov bonus of up to £1,000
Cash (4.1% AER) or Stocks & shares

4.1% AER
Save up to £20,000 a year tax free
Unlimited easy access withdrawals
Same rate for new and existing customers
4.1% AER (variable)

4.30% AER Fixed
Fixed interest rate
Fixed interest rate for 12 months
Provided by Investec
Add up to £20,000 each tax year

5.5% AER
built for homeowners & buyers
3% AER (variable) + 2.5% 12 month bonus
Bonus unlocked when get a mortgage
FSCS protection & No withdrawal limits

Download the Tembo app and you can have an account open in under 10-minutes.
The same rates for new, returning and transferring customers.
Track your interest gains in the Tembo app, and watch your savings grow over time.

Your money is eligible for protection under the Financial Services Compensation Scheme (FSCS) up to £85,000 per eligible person, per bank.

All money in your Fixed Rate Cash ISA is held securely with our partner and the deposit taker Investec Bank plc.

We’re proud to be rated ‘Excellent’ on Trustpilot, having helped thousands of happy savers and buyers.




