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Established in Newport in 1869 to help local people build homes, we now help people across Wales and England buy properties and save for their future.
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General Client Account

Everyday client accounts that are easy to manage

Our general client account is designed to help professional firms and organisations manage their clients’ money securely and efficiently.

It provides a safe and accessible place for your clients’ money, with 24/7 online visibility and with the added bonus of monthly interest payments.

Even though the account is managed online, there is always a designated relationship manager, who is just a phone call away, and on hand to help with any issues.

It’s the general client account that prioritises your clients’ needs, that helps you manage transactions and, should any issues arise, will always offer a human on the end of the phone or in branch to help. It is a strict no bot zone.

Get to know the people behind the account.

Meet Sally Williams
Meet Mathew Llewellyn

Find out more about our rates and key product information below.


Available in England and Wales.

Account Name General Client Account
What is the interest rate?
  • The interest rate is the Bank of England Base Rate minus 0.75%, 1.00%, or 1.25% depending on the balance in the account, as set out below:
  • 3.00% AER/Gross on balances £8,000,000 - £15,000,000.
  • 2.75% AER/ Gross on balances £5,000,000 - £7,999,999.99.
  • 2.50% AER/ Gross on balances £10,000 - £4,999,999.99.
  • Interest is variable and calculated on a daily basis on the balance in the account and paid monthly at the end of each month.
Can Monmouthshire Building Society change the interest rate? 
  • No - but the interest rate will change following a change to the Bank of England Base Rate.
  • If the base rate goes up or down, the new interest rate on your account will apply without notice, no more than 14 business days following a change in the base rate.
  • If the Bank of England base rate has multiple rate decreases, depending on the balance in your account, the interest you receive will not go below a floor rate of;
  • 1.00% AER/Gross on balances £8,000,000 - £15,000,000.
  • 0.75% AER/ Gross on balances £5,000,000 - £7,999,999.99.
  • 0.50% AER/ Gross on balances £10,000 - £4,999,999.99.
What would the estimated
balance be after 12 months based on a £10,000, £5,000,000, or a £8,000,000 deposit?
  • £8,000,000 at 3.00% = £8,240,000.
  • £5,000,000 at 2.75% = £5,137,500.
  • £10,000 at 2.50% = £10,250.
  • We have worked this out assuming the minimum balance at each tier is paid into the account, no further money is paid in or taken out over a 12-month period, the Bank of England Base Rate stays the same and the interest is added to the account.
How do I open and manage my account?
  • You can open your account at any branch or agency office, by post or online (if registered with our ‘My Accounts’ service).
  • Once opened, you can operate this account online via ‘My Accounts’ only.
  • This account is not a passbook account. The professional body will be registered as a user within our ‘My Accounts’ service and this user alone may operate the account.
  • The minimum amount required to open this account is £10,000.
  • The maximum amount you can invest across all accounts held within the Society is £15,000,000.
  • Further deposits are only permitted by electronic transfer from a UK bank account.
Can I withdraw money?
  • Yes, you do not have to give notice to make a withdrawal or close this account.
  • Withdrawals can only be made via electronic transfer to a nominated bank account.
Additional Product Information 
  • AER stands for Annual Equivalent Rate and illustrates what the interest rate would be if interest was paid and compounded each year.
  • The gross rate is the contractual rate of interest payable before the deduction of tax.
  • Interest rate effective from 3 February 2026.

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It is important that you read the Product Terms and Conditions before deciding to open an account.

General Client Account - Specific Terms and Conditions:

  • 1 – Account Opening
    This account can only be opened and operated by professional bodies who manage client funds, not a private individual.
  • 2 – Investment Limits
    The minimum investment is £10,000. The maximum investment is £15,000,000 across all accounts held with the Society.
  • 3 – Account Operation
    This account is not a passbook account.
    Deposits and withdrawals can be made by electronic transfer only.
  • 4 - Further Investment
    Further deposits are only permitted by electronic transfer from a UK bank account.
  • 5 – Withdrawals
    All withdrawals are made by electronic transfer or CHAPS to a nominated bank account.
    Withdrawals by Faster Payment are free of charge up to £100,000. If the total daily withdrawal amount exceeds £100,000, the withdrawal will be made by CHAPS with no charge. There is a limit of one CHAPS per day.
  • 6 – Interest
    Interest is variable and calculated on a daily basis on the balance in the account.
    Interest is paid monthly and must be paid into a nominated bank/building society account.
    If the Bank of England base rate has multiple rate decreases, depending on the balance in your account, the interest you receive will not go below the following floor rates;
    • 1.00% AER/Gross on balances £8,000,000 - £15,000,000
    • 0.75% AER/ Gross on balances £5,000,000 - £7,999,999.99.
    • 0.50% AER/ Gross on balances £10,000 - £4,999,999.99.
  • 7 – Account Closure
    Closure of the account is permitted at any time without notice or penalty.
  • 8 – Membership Rights
    This account is not a share account and therefore you will have no Society membership rights in Monmouthshire Building Society (e.g. the right to vote).
  • 9 – Terms and Conditions
    These Product Terms and Conditions apply to this account in addition to our General Terms and Conditions for Savings Accounts.