About Us
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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Our Story

Founded in 1869, we've been serving our members for over 150 years.
As a mutual building society, our members' needs are at the heart of everything we do.

We are a building society, not a bank

We were founded as a mutual building society over 150 years ago, and we believe that the mutual model is as effective as it has ever been.

When you contact us, be it over the phone or face-to-face in one of our branches or agencies, it’s important to us to make sure you know we are a mutual building society, not a bank.

Unlike banks, we are owned by our members. We don't have shareholders to satisfy, so we are free to re-invest profit back into the Society to benefit current and future members. 

That's what being mutual is all about.

We answer to our members

If you have a savings account or mortgage with us, you are a member of Monmouthshire Building Society.

Whether you’ve just joined us or have been a member for many years, as a member you play a vital role in the Society and its future.

Every decision of ours is made with the interests of our members in mind. With your help, we develop our products and services to meet your needs. 

Have your say

Each Year, we invite members to our Annual General Meeting (AGM), where you’re given the opportunity to pose questions to the Board and vote on various resolutions. 

We also welcome our members to join our Member Matters Community, where you can help us improve by taking part in surveys and research projects.


Coming Soon… The new MBS App

We’ve been listening to our member’s feedback on how important it is to have easy access to your MBS accounts on a platform that enables access wherever you are, and at a time that is convenient for you. We’re working hard to get the app ready to launch, in the meantime, take look at our frequently asked questions below to find out more.

When is the MBS App launching?

Our current ambition is to launch the MBS App by the end of 2023. While we’re fully focused on getting the MBS App live by the end of the year, there may be things outside of our control that mean delivery slips to early 2024. We will keep Members informed on our intended launch dates through our website and on social media.

What features and services will be available on the MBS App?

You will be able to open new accounts and manage your existing accounts via the MBS app. We are currently conducting research to ensure the additional features in our app meet the needs and expectations of our members.

Will the MBS App replace My Accounts?

No, you will still be able to use My Accounts when the MBS App launches.

Will everything be online now that you have an app?

No, whilst we are enhancing our digital experience, we appreciate that some members will still prefer our traditional channels. You can continue to operate your accounts as you do now, whether that be in branch, over the phone or online. We are very much committed to our communities and our branches will remain in the heart of these, continuing to offer the same stand out service as they do now.