Co-op Group and Southern Co-op Propose Merger to Add 300,000 Members

SOSO

Co-op Group and Southern Co-op plan to merge, combining some 300,000 Southern Co-op members with Co-op’s seven million members to create the UK's largest co-operative society. Transaction requires member votes and regulatory clearances, with closure slated for Q3 2026.

1. Merger Proposal Details

Co-op Group and Southern Co-op have announced plans to merge their operations under a single society, aiming to broaden trading scope across food retail, funeral services, and member services.

2. Membership Impact

The proposed transfer would add approximately 300,000 Southern Co-op members to Co-op Group’s existing seven million members, creating the UK’s largest co-operative with over seven million members and expanding reach in southern England.

3. Approvals and Timeline

The transaction is subject to approval by Southern Co-op members and regulatory clearances, with the transfer of engagements expected to complete in the third quarter of 2026 pending Competition and Markets Authority sign-off.

4. Operational Transition

After completion, both societies will continue to operate separately during a transitional period, ensuring continuity of current member benefits while integration plans proceed.

Sources

FN