The UK’s Competition and Markets Authority (CMA) has launched a fresh review into how it assesses mergers, signalling a move aimed at strengthening competition, boosting investment and improving business confidence across the UK economy.
At the centre of the review is how the CMA evaluates what are known as “rivalry-enhancing efficiencies”, merger-driven improvements that can make businesses more competitive. These efficiencies may allow firms to innovate faster, reduce costs or improve product quality, outcomes that can ultimately benefit consumers through better services and lower prices.
For many Nigerian and African diaspora entrepreneurs operating in the UK, merger rules are not just about big corporate deals. They shape the business environment in which smaller firms compete, scale and attract investment. A regulatory system that recognises innovation and efficiency can make it easier for growing businesses to challenge established players, while an unclear or overly rigid process can limit opportunity.
The CMA says the review forms part of its wider commitment to supporting economic growth while maintaining strong competition safeguards. It is now seeking evidence on how it analyses rivalry-enhancing efficiencies and how it engages with companies involved in mergers. This includes examining the type of evidence businesses are expected to provide and how the authority assesses dynamic efficiencies linked to long-term investment and innovation.
Another focus is how the CMA interacts with merging businesses during investigations. The regulator wants to understand whether earlier, clearer and more timely engagement could improve the overall process and reduce uncertainty for firms and investors.
This work aligns with the CMA’s “4Ps” framework, which aims to improve the pace, predictability, proportionality and process of the UK’s merger control regime. For diaspora-owned businesses, predictability is particularly important, as uncertainty around regulatory outcomes can discourage investment or delay expansion plans.
Joel Bamford, Executive Director of Mergers at the CMA, said an effective and targeted merger control system is essential for protecting consumers and keeping UK markets competitive. He noted that after reviewing its approach to remedies last year, the authority is now turning its attention to merger efficiencies to provide greater clarity and transparency.
According to Bamford, the review will help explain how efficiencies that lead to lower prices, better quality products or increased innovation are assessed, giving businesses and investors a clearer understanding of how the CMA reaches its decisions. He also emphasised the importance of open engagement with companies, investors, consumer groups and advisers in shaping a more effective regulatory approach.
The CMA has published an initial call for evidence and is inviting feedback from across the business community. Responses will be reviewed before the authority develops detailed proposals for public consultation in the spring, with the aim of implementing any changes by summer 2026.
For Chijos News readers, particularly those building businesses or investing in the UK from within the diaspora, this review is a development worth watching closely. How merger efficiencies are assessed can influence competition, innovation and market access, especially for ambitious firms seeking to grow in a tightly regulated environment.
As the UK looks to position itself as an attractive destination for global investment, the outcome of this CMA review could play a key role in shaping a regulatory landscape that supports both consumer protection and entrepreneurial growth.
