Big Four Audit Magnificent Seven Tech Companies
The Big Four accounting firms — PwC, Deloitte, EY, and KPMG — audit the Magnificent Seven tech companies (Apple, Microsoft, Alphabet, Amazon, Nvidia, Meta, Tesla), with Deloitte auditing Microsoft, EY auditing Apple, Alphabet, Amazon and Meta, and PwC auditing Nvidia and Tesla as of late 2025. It cites audit fees and tenures, including Microsoft's $78.4 million paid to Deloitte in fiscal 2025, Nvidia's $10 million to PwC for 2025, and Apple's $30 million to EY in 2024.
Key Points
- 1Identify auditors: Deloitte audits Microsoft; EY audits Apple, Alphabet, Amazon, Meta; PwC audits Nvidia, Tesla.
- 2Explain significance: Big Four oversee over $20 trillion combined market cap, ensuring financial reporting oversight.
- 3Implication: Audit relationships and fees signal entrenched advisory ties and potential conflicts for tech practitioners.
Scoring Rationale
Authoritative, sourced audit mapping across major tech firms + limited novelty and minimal technical AI/ML impact.
Sources
Public references used for this report.
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