KPMG Leads UK Big Four in Losing Audit Clients, Market Share (1)

The UK arms of the Big Four accounting firms have all lost stock-exchange listed clients this year, with smaller firms continuing to increase market share, a new report found.

Adviser Rankings, which tracks the UK audit market, said Monday that the Big Four—Deloitte, Ernst & Young, KPMG and PwC, also known as PricewaterhouseCoopers—lost listed clients over the year up to Nov. 6. That held true for leading mid-size firms like BDO and Grant Thornton, too.

Despite losing clients the Big Four continued to dominate audits of the largest companies on the London stock exchange, vetting the ...