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Who audits the S&P 500?
The Big Four audit 494 of America's 500 leading listed companies. EY leads overall, but Deloitte dominates utilities and PwC leads healthcare.
Oct 30
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Claudine Cassar
1
Who audits the FTSE 100?
Deloitte leads by client numbers, but KPMG tops the recorded audit-fee rankings — revealing a different picture of the Big Four's dominance
Oct 30
•
Claudine Cassar
EY UK Partner Profits Hit £870,000: Up 20% in Two Years, While Revenue Grew Just 4%
As EY’s UK partnership shrinks and consulting revenue falls for a third consecutive year, its latest results reveal how partner rewards can outpace…
Oct 27
•
Claudine Cassar
1
Who Audits the FTSE 250?
Challenger firms now audit 45 FTSE 250 companies. But their growing presence reveals a more complicated picture of competition.
Oct 23
•
Claudine Cassar
Can Britain cut its dependence on the Big Four?
A smaller consultancy bill would not, by itself, show that government has regained the knowledge, skills and freedom to manage its relationships with…
Oct 23
•
Claudine Cassar
4
3
1
Big Four back plan to relax US audit quality-control rules
Deloitte, EY, KPMG and PwC support changes that would remove independent oversight requirements and reduce compliance obligations. Investor groups warn…
Oct 21
•
Claudine Cassar
4
1
1
ASIC finds EY and PwC audit deficiencies in A$80 billion of Australian Super Fund investments
ASIC finds audit deficiencies involving A$80 billion in Australian super fund investments, raising concerns about the scrutiny of asset valuations.
Oct 18
•
Claudine Cassar
Inside EY's $57bn Year: AI Growth, Changing Workforce and the Economics of the Big Four
EY's 2026 results reveal diverging trends in revenue, employment and global delivery operations, as AI services sales rise 49%.
Oct 14
•
Claudine Cassar
3
Goldman Sachs clients among those affected by EY data breach
Clients of Goldman Sachs, Man Group and Tishman Speyer were among those whose personal and financial information was compromised in a cyberattack…
Oct 10
•
Claudine Cassar
Who Audits the FTSE Bursa Malaysia KLCI?
PwC leads Malaysia’s blue-chip audit market, but BDO matches KPMG—and Deloitte has no appointments among the 30 companies.
Oct 7
•
Claudine Cassar
Who Audits the Ibovespa?
PwC leads Brazil’s flagship index, but challenger firms have a larger foothold than in many of the world’s major audit markets.
Oct 7
•
Claudine Cassar
Who Audits the FTSE TWSE Taiwan 50 Index?
Deloitte leads Taiwan's largest listed companies with 38% of audit appointments and more than half of recorded fees. The Big Four control the entire…
Oct 6
•
Claudine Cassar
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