Flash ReportUK Competition Authority Blocks Sainsbury’s-Asda Merger Coresight Research April 26, 2019 Executive SummaryOn April 25, the UK’s Competition and Markets Authority (CMA) blocked the planned merger of Sainsbury’s and Asda. Sainsbury’s is likely to be under pressure to outline a new way forward that includes a plan to improve performance. Sainsbury’s has been the weakest performing of the major grocery retailers. The merger would have created a highly concentrated UK grocery market, with two companies holding an aggregate share of nearly 60%. The CMA concluded that the merger would result in “price rises, reductions in the quality and range of products available, or a poorer overall shopping experience.” Please Login to read the full report. Not a member? To access this content for free, register for a free account. This document was generated for Other research you may be interested in: Tariffs + Consumer Sentiment: A Timeline, 2025—Data GraphicPersonal Financial Sentiment Improves: Weekly US Consumer Sentiment, Week 19, 2025—InfographicRetail Trends and Shopper Traffic Update, Q3: Early Findings & Strategic OutlookAmazon Apparel US Consumer Survey 2025: New Shoppers, Deeper Loyalty—Amazon Converts Browsers into Buyers