M&A advisorBuy-side and sell-side
Water Street Advisors
New Berlin, WI
Profile last reviewed
October 2026
Public information can change. Corrections are reviewed before publication.
Overview
Overview of Water Street Advisors
Water Street Advisors advises privately held companies and corporate carve-outs with annual revenues of $1 million to $30 million. It represents owners in business sales and assists clients with strategic acquisitions, using a hands-on process focused on finding the right buyer. Its team includes accounting and corporate development experience, and John Kielich has participated in more than 50 completed transactions.
Named principal
John Kielich
Principal
Profile details
Details for Water Street Advisors
- Representation
- Buy-side and sell-side
- Firm type
- M&A advisor
- Based in
- New Berlin, WI
- Engagement coverage
- New Berlin, WI
- Industry focus
- Manufacturing and industrial · Construction and home services · Technology and software · Distribution and logistics · Consumer, retail, and e-commerce · Healthcare and medical practices
Office locations
Headquarters and public offices
Headquarters
New Berlin, WI
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
waterstreetadvisors.com · checked October 2026