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  6. Stonewall Group Acquires AMDG Architects

M&A Deal Summary

Stonewall Group Acquires AMDG Architects

On September 8, 2025, Stonewall Group acquired engineering company AMDG Architects

Acquisition Highlights
  • This is Stonewall Group’s 1st transaction in the Engineering sector.
  • This is Stonewall Group’s 1st transaction in the United States.
  • This is Stonewall Group’s 1st transaction in Michigan.

M&A Deal Summary
Date 2025-09-08
Target AMDG Architects
Sector Engineering
Buyer(s) Stonewall Group
Deal Type Add-on Acquisition

Target

AMDG Architects

Grand Rapids, Michigan, United States
AMDG Architects provides architecture and interior design services to clients across education, workplace, civic, worship, and residential markets. AMDG Architects was formed in 1992 and is based in Grand Rapids, Michigan.

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Buyer(S) 1

Buyer

Stonewall Group

Lafayette, Louisiana, United States
Category Company
Sector Engineering
DESCRIPTION

Stonewall Group is a strategic buyer of lower middle-market architecture and engineering brands across the United States. Stonewall Group is based in Lafayette, Louisiana.

DEAL STATS #
Overall 1 of 2
Sector: Engineering M&A 1 of 2
Type: Add-on Acquisition M&A Deals 1 of 2
State: Michigan M&A 1 of 1
Country: United States M&A 1 of 2
Year: 2025 M&A 1 of 2
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2025-10-31 ADG Architecture

Fort Myers, Florida, United States

ADG Architecture is a full-service architecture and interior design firm offering creative and functional design solutions for commercial, educational, religious, and public-sector projects. ADG Architecture was founded in 1990 and is based in Fort Myers, Florida.

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