Guaranteed Investment
A return you can rely on
Our Guaranteed Investment account offers attractive fixed rates of interest and a choice of three investment periods.
You will get your initial capital plus interest on your investment at the guaranteed rate and your money will be invested safely.
In addition, you don't have to be an existing Co-operative Bank current account holder to take advantage of the following benefits:
- Attractive rates of interest
- The opportunity to invest between £25,000 and £1 million*
- A choice between 3, 6 and 12 month investment terms
- Tiered interest rates that mean investing more can earn you a higher rate of interest
- The freedom to open as many Guaranteed Investment accounts as you like
Please read the following documentation before applying for a Guaranteed Investment account (This will open in a new window)
- Terms & conditions (opens as PDF 0.5Mb)
Apply for a Guaranteed Investment account today. If you're not an existing account holder, either download an application form or use our Easy to Apply Service by calling 0800 783 4741. If you already have an account with us, simply call 0800 783 4741 to set up an account.
*Once invested no further deposits or withdrawals are allowed for the duration of the investment period chosen.

