The Co-operative Group’s proposed acquisition of Southern Co-op is under review by the Competition and Markets Authority (CMA), which has raised concerns that the merger may significantly reduce competition within the mutuals sector. The CMA, which oversees market fairness and competition, indicated that the deal, initially announced in April, could lead to a substantial lessening of competition.

As part of the preliminary investigation, the CMA has set a deadline of September 22 for the Co-operative Group and Southern Co-op to submit proposals aimed at addressing potential competitive concerns. Should these proposals fail to satisfy the regulator, the CMA has stated that it will escalate the case to a more detailed phase two inquiry, which involves a comprehensive assessment of the transaction’s impact on the market.

The review reflects ongoing scrutiny of mergers in sectors where consolidation could affect consumer choice and market dynamics. Both Co-operative Group and Southern Co-op operate as mutual societies, providing retail services and holding significant market shares within their respective regions. The CMA’s intervention underscores the importance regulators place on maintaining competitive balance, particularly in sectors dominated by a few key players.

At this stage, neither party has disclosed the specific measures they intend to propose to mitigate the CMA’s concerns. The outcome of the CMA’s investigation will determine whether the acquisition proceeds as planned, faces additional conditions, or is blocked to preserve competitive integrity.