Competition – guidance

Water and sewerage mergers: CMA49

Guidance on the CMA’s procedure and approach to its assessment when reviewing mergers involving water enterprises.



This guidance provides advice and general information on the Competition and Markets Authority’s (CMA) procedures and assessment in water and sewerage mergers in England and Wales under the Water Industry Act 1991 as amended by the Water Act 2014.

This guidance replaces:

CMA and Ofwat’s statement of intent explains the working relationship between these organisations, for phase 1 merger inquiries, in more detail.