Despite mandatory auditor rotation, India's largest audit firms are consolidating their dominance, auditing 66% of Nifty 500 companies. Grant Thornton and BDO are gaining ground, fueled by Big Four conflicts. While companies rotate auditors, they largely select from a small pool of established firms. Rising auditor resignations and increasing audit fees are also noted trends.

Despite mandatory auditor rotation, India's largest audit firms are consolidating their dominance, auditing 66% of Nifty 500 companies. Grant Thornton and BDO are gaining ground,…

Indias audit market in FY26 remained dominated by large firms, with EY, KPMG and Deloitte leading by audit volume and market capitalisation exposure. Concentration persists, with…