Big 6 Indian audit firms consult 66% of Nifty 500 companies
Data from Primedatabase reveals that the six largest audit firms in India now audit 66% of Nifty 500 companies. The report highlights a growing market concentration and significant increases in auditing fees among these top firms.
Why it matters
Market concentration in the auditing sector raises questions about competition, corporate governance, and the cost of regulatory compliance for listed companies.
The six largest audit firms in India by number of clients, audited 66% of the Nifty 500 companies as of 2025-26 according tot data from Primedatabase .
The article presents factual data and industry trends without editorializing.
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