Chicago & Illinois
Business Valuation,
Forensic Accounting &
Litigation Support
GMC & Company provides objective financial analysis and expert support for attorneys, business owners, CPAs, and financial advisors in Chicago, the surrounding suburbs, and throughout Illinois.
We help clients resolve complex business and financial issues involving value, income, damages, ownership interests, and financial activity so they can make informed decisions.
Financial Expertise for Illinois Matters
Clear, well-documented analysis and expert support for litigation and dispute resolution.
For Attorneys
Objective valuations and financial insight to support transactions, planning, and decision making.
For Business Owners
Reliable financial analysis and collaboration on tax, transaction, and planning matters
For CPAs & Advisors
Our opinions are objective, defensible, and based on facts, data, and sound methodology
Objective & Unbiased
Trusted Experience
Years of experience providing high-quality analysis that stands up to scrutiny
Services Available to Illinois Matters
Business Valuation
Valuations of closely held businesses. professional practices, and ownership interests.
Divorce Valuation
Business valuation and income analysis for marital dissolution involving business owners and professional practices.
Litigation Support & Expert Testimony
Expert reports, deposition support, trial testimony, and consulting for attorneys
Shareholder & Partner Disputes
Valuation and forensic accounting for ownership disputes, buyouts, and partner separations.
Forensic Accounting
Investigations and analysis of financial records, income, transactions, and financial irregularities.
Estate, Gift & Tax Valuation
Valuation analysis for estate planning, gift tax reporting. business transfers, and tax compliance.
Economic Damages & Lost Profits
Analysis of lost profits, business interruption, and other economic damages in commercial disputes
Buy-Sell Agreement Valuation
Valuation support for buy-sell agreements, redemption events, and business succession planning.
Serving Chicago Communities Across Illinois
We serve clients in Chicago and surrounding areas, including:
North Shore: Northbrook, Evanston, Highland Park, Glenview
Northwest Suburbs: Schaumburg, Arlington Heights, Palatine
Western Suburbs: Oak Brook, Naperville, Wheaton
South Suburbs: Orland Park, Tinley Park, Frankfort
Cook County, DuPage County, Lake County, Will County, Kane County, and beyond.
Why Clients Choose GMC & Company
Objective Analysis
Unbiased opinions based on facts, data, and proven methodologies.
Senior-Level Attention
Experienced professionals involved in every engagement.
Clear Communication
Complex issues explained in clear, understandable language.
Built for Scrutiny
Our work is thorough, well-documented, and court-ready.
Longstanding Trust
Decades of trusted service to attorneys, business, and professionals.

