KPMG

1. 01Is it beneficial for large organizations to outsource their tax compliance to a professional services firm?0/4
2. 02How to resolve communication challenges during large-scale enterprise advisory projects?0/4
3. 03Best audit and tax advisory providers for large corporations in the US4/4
4. 04What are the key factors to consider when choosing a professional services firm for enterprise audit and advisory needs?0/4
5. 05Alternatives to using a global professional services firm for annual financial audits2/4
6. 06Which professional services offerings are most important for multinational organizations operating in regulated industries?1/4
7. 07What is the typical fee structure for audit and advisory services for large US-based enterprises?0/4
8. 08What are some options besides large consultancy firms for tax advisory support for corporations?0/4
9. 09How can professional services firms assist with digital transformation in public sector organizations?1/4
10. 10How do professional services firms determine pricing for risk assurance projects in the public sector?0/4
11. 11Are comprehensive audit and advisory services worth the investment for Fortune 500 companies?0/4
12. 12Benefits of using an external advisory team for mergers and acquisitions in the corporate sector0/4
13. 13What steps to take when encountering issues with external audit reports for multinational corporations?0/4
14. 14How does management consulting compare to risk advisory for enterprise transformation projects?0/4
15. 15Difference between specialized tax advisory services and traditional audit services for public sector organizations0/4

Columns, left to right: OpenAI, Claude, Perplexity, Gemini. Across the study, on 50% of the questions where a company is named, only one AI assistant names it.

“Best audit and tax advisory providers for large corporations in the US”

For large US corporations, the strongest shortlist is the Big Four—Deloitte, PwC, EY, and KPMG—plus Grant Thornton, BDO USA, RSM US, and Baker Tilly. The Big Four generally offer the deepest global reach and specialization; the other firms can provide strong national coverage with more partner access and potentially lower fees.

Provider · Best fit · Key strengths

Deloitte · Complex multinational enterprises · Audit, tax provision, M&A, international tax, technology, risk, and regulatory transformation

PwC · Large public companies and transaction-he …

The AI’s answer as we received it, shortened and not checked for accuracy.

See how every company did, and how this was measured.

These 14 checks ran during the audit and are what the AI readiness part of the overall score counts. The scan above ran later and is stricter on Link headers and Markdown, so a check can pass here and not there.

Read from the website’s own rules file (robots.txt). An asterisk marks a crawler the file names. The rest follow its general rules. “Partly” means only some pages are blocked.

A badge of this result that you can show on your own website. Copy the code below.

<a href="https://aeo-audit.rezolve.com/us/finance/kpmg.com"><img src="https://aeo-audit.rezolve.com/finance/badges/kpmg.com.svg" alt="Overall score 39 of 100, Finance AI Visibility Study 2026" width="280" height="64"></a>