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QSI Consulting - Ownership and Business Overview

Business ServicesCompany

QSI Consulting Ownership

Who owns QSI Consulting?

QSI Consulting is owned by Aperture. It was acquired on March 5, 2025.

QSI Consulting Business Overview

Where is QSI Consulting headquartered?

QSI Consulting is headquartered in O'Fallon, Missouri.

What sector is QSI Consulting in?

QSI Consulting is a business services company.

When was QSI Consulting founded?

QSI Consulting was founded in 1999.

Business Services M&A Summary in 2025

Out of 60 sectors in the Mergr database, business services ranked 1 in number of deals in 2025. The largest business services acquisition in 2025 was Evident - Inspection Technologies Division - which was acquired by Wabtec for $1.8B.

Join Mergr to view all 249 acquisitions of business services companies in 2025, including 18 acquisitions by private equity firms, and 231 by strategics.

QSI Consulting

QSI Consulting, Inc.

2977 Highway K, PMB No. 304,
O'Fallon, Missouri 63368
United States,
(636) 448-4135
www.qsiconsulting.com

QSI Consulting provides forensic economics, financial modeling, and expert witnessing services to a wide array of stakeholders in network-intensive industries, including regulated and non-regulated industry participants, governmental agencies, law firms, and other commercial participants. QSI Consulting was founded in 1999 and is based in O'Fallon, Missouri.


Company Summary

SECTOR

Business Services

Established

1999

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