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C
Business broker and M&A advisory firmSell-side
CAPSTONE COMPANIES
Based in Grand Haven, MI
Profile last reviewed
July 2026
Public information can change. Corrections are reviewed before publication.
Overview
Overview of CAPSTONE COMPANIES
CAPSTONE COMPANIES is a business advisory firm based in Grand Haven, MI providing Business Brokerage, Sell-Side Advisory and Commercial Real Estate.
Named principal
John Groothuis
Profile details
Details for CAPSTONE COMPANIES
- Representation
- Sell-side
- Firm type
- Business broker and M&A advisory firm
- Based in
- Grand Haven, MI
- Engagement coverage
- Grand Haven, MI
- Industry focus
- Generalist / multiple sectors
Office locations
Headquarters and public offices
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Headquarters
Grand Haven, MI
Profile sources
This profile was compiled from publicly available firm information. Sources are grouped by website, while the underlying page-level evidence is retained for review.
- Open source
Firm website
capstonecompanies.net · checked August 2026