Best Business Advisory Firms in America — 2026 Rankings

Strategic consulting including business valuation, succession planning, mergers & acquisitions support, and growth strategy.

Rankings last updated April 17, 2026

Top Business Advisory Firms

  1. #1 — Farnam Financial Score: 20/100

    Phoenix, AZ — Farnam Financial — Accounting And Tax in Phoenix, AZ

    Services: Tax Preparation, Business Advisory. View full profile →

  2. #2 — Axia Advisory Score: 15/100

    Indianapolis, IN — Axia Advisory — Accounting And Tax in Indianapolis, IN

    Services: Business Advisory. View full profile →

  3. #3 — Lien Phat & Co Tax Advisory Score: 11/100

    Austin, TX — Lien Phat – Tax Plan Advisory

    Services: Tax Preparation, Business Advisory. View full profile →

How We Rank CPAs & Accounting Firms

Our Guide Score (0–100) combines Google reviews (25%), professional credentials like CPA, EA, CMA, CIA, and CFP certifications (20%), press recognition (15%), review volume (15%), web and professional presence (10%), years of experience (10%), and profile completeness (5%). Read our full methodology →

Frequently asked questions

Who is the best business advisory firm in America?
Farnam Financial is currently the #1 ranked business advisory firm nationwide based on our Guide Score. See the full ranked list above.
What is Business Advisory?
Strategic consulting including business valuation, succession planning, mergers & acquisitions support, and growth strategy.
How are business advisory firms ranked?
Our Guide Score (0–100) combines Google reviews (25%), professional credentials (20%), press recognition (15%), review volume (15%), web presence (10%), years of experience (10%), and profile completeness (5%). There is no paid placement.