The merger of two customer-owned banks has officially concluded, bringing together the two regional member-owned banks.
Summerland Bank and Regional Australia Bank have confirmed that they have now completed their merger, bringing together two like-minded mutual banks.
The two mutuals first announced their intention to merge in October 2024 and - after receiving relevant approvals from their boards, the prudential regulator and their members - officially merged on Wednesday (1 July).
Both Summerland Bank and Regional Australia Bank will continue to operate under their existing brands during the transition period, and there are no immediate changes to customer accounts or products.
The combined entity now manages more than $5 billion in assets, servicing more than 130,000 members across 49 locations in regional NSW and southern Queensland.
David Heine, the CEO of Regional Australia Bank has now become the CEO of the combined organisation, while Summerland Bank’s CEO, John Williams, is now deputy CEO (strategy).
The two organisations have said the merger means they will be able to invest more in services and technology, expand support for regional communities and strengthen their customer-owned model in future.
Overall, the two lenders said that the merger creates “a stronger, more resilient organisation with greater capacity to support members, communities and regional economies”.
Commenting on the milestone, the group CEO said the merger reflects a shared ambition to strengthen regional Australia.
“This is a natural step for two organisations with aligned values and a deep commitment to the communities we serve,” Heine said.
“Together, we can do more — backing regional Australians, investing in our communities and delivering long-term value for our members.”
Meanwhile, Williams said the focus now is to “ensure members feel confident and supported’ as the two organisations come together.
“This is about building a better banking experience for our members,” Williams said.
“We’ve taken a careful and considered approach to make sure the transition on 1 July is steady, with no disruption to members’ day-to-day banking.”
Both lenders have reaffirmed their commitments to no brand closures or staff losses, with accounts, services, and support set to continue as per usual.
They said that any future changes will be “communicated clearly and well in advance” to members.
Speaking to The Adviser in 2024, Williams said that it would be “business as usual” for brokers using the two banks.
Mutuals continue to join forces
The Summerland Bank and Regional Australia Bank merger is the latest in a wave of consolidation across Australia’s mutual banking sector, with more expected to come.
On 1 May, Australian Mutual Bank merged with Teachers Mutual Bank Limited, with the combined organisation commencing operations as a single entity on 24 May. As part of the merger, Australian Mutual Bank members migrated to Teachers Mutual Bank Limited and could use TMB branches from 25 May.
The combined entity brings together around 750 staff and a branch network that will expand to 13 locations across the ACT, NSW, Victoria, and Western Australia – almost doubling the current footprint available to members.
The Australian Mutual Bank retail brand will continue to operate alongside Teachers Mutual Bank’s existing brands: Teachers Mutual Bank, Firefighters Mutual Bank, Health Professionals Bank, and UniBank.
Each will continue targeting its core communities – including teachers, health professionals, firefighters, and university staff and students – while drawing on shared balance-sheet strength and technology platforms.
Together, the merged entity now has $14.2 billion in total assets, around 280,000 members, and more than 750 employees.
The merger comes amid a wave of consolidation across Australia’s customer‑owned sector, as smaller institutions seek greater scale to fund technology investment, absorb rising regulatory and cyber-security costs, and compete on pricing with other banks and non‑bank lenders.
In March, Family First Bank merged with Beyond Bank Australia – a move first proposed in August last year - with Family First transitioning to Beyond Bank’s banking systems on 7 June.
While all former Family First branches and staff have been retained, they now operate under the Beyond Bank brand. From 1 March 2026 all Family First Bank members were transferred to Beyond Bank Australia and became Beyond Bank shareholders.
Other recent mergers include:
[Related: Summerland Bank and Regional Australia Bank members approve merger]
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