4M Building Solutions Acquires Eagle Enterprises, Ltd.

O2 Investment Partners Invests in 4M Building Solutions

January 18, 2023

Professional Services

O2 Investment Partners has made a significant growth investment in 4M Building Solutions, a St. Louis-based commercial cleaning, janitorial, and housekeeping services company. The capital will support 4M’s organic growth and acquisition strategy while the company continues to operate under its existing leadership; terms were not disclosed.

4M Building Solutions Acquires SG360

May 3, 2024

Environmental Services

4M Building Solutions has acquired SG360, a commercial cleaning and janitorial services provider based in Overland Park, Kansas. The deal — executed through 4M's PE-backed acquisition platform — adds roughly 1,200 team members, expands 4M's footprint into five new states and broadens its Midwest and Southeast operations.

4M Building Solutions Acquires Miracle Clean Services and FKI Cleaning Services

August 19, 2025

Environmental Services

4M Building Solutions, the St. Louis–based commercial cleaning platform backed by O2 Investment Partners, acquired Akron, Ohio–based Miracle Clean Services and Washington, Missouri–based FKI Cleaning Services. The transactions are add-on acquisitions intended to expand 4M's geographic footprint and bring additional team members, client contracts, and operational capabilities onto the 4M platform; terms were not disclosed.

4M Building Solutions Acquires Brokate Janitorial

May 13, 2025

Environmental Services

4M Building Solutions has acquired Brokate Janitorial, a Springfield, Missouri–based commercial cleaning and janitorial services provider. The acquisition — completed with backing from O2 Investment Partners — adds more than 175 employees and roughly 3 million square feet of serviced space, strengthening 4M's Missouri footprint as an add-on to its platform.

4M Building Solutions Acquires Calvary Building Services

August 1, 2025

Professional Services

4M Building Solutions, a St. Louis–based commercial cleaning platform backed by O2 Investment Partners, has acquired Grand Rapids, Michigan–based Calvary Building Services. The add-on strengthens 4M's presence in West Michigan and brings Calvary's ~79 frontline team members and long‑tenured client contracts onto 4M's platform.

4M Building Solutions Acquires Covenant Building Service

December 1, 2024

Environmental Services

St. Louis-based 4M Building Solutions, backed by O2 Investment Partners, has acquired Hendersonville, Tennessee-based Covenant Building Service, a commercial janitorial provider serving the Nashville area. The add-on strengthens 4M’s presence in the Nashville market and integrates Covenant’s 55-account portfolio and operations into 4M’s platform; financial terms were not disclosed.