The Stonewall Group Acquires ADG Architecture

The Stonewall Group Acquires AMDG Architects

September 8, 2025

Engineering Services

The Stonewall Group, a private investment and management firm focused on architecture and engineering (A&E) companies, has partnered with AMDG Architects, an architecture and interior design firm headquartered in Grand Rapids, Michigan. The transaction represents The Stonewall Group's sixth partnership and aims to support AMDG's growth while preserving the firm's culture and design-focused mission.

The Stonewall Group Acquires Architectural Alliance, Inc.

February 17, 2026

Professional Services

The Stonewall Group, a national architecture platform firm, has acquired Wilmington, Delaware-based Architectural Alliance, Inc., adding the firm to its national architecture platform while allowing Architectural Alliance to continue operating under its existing brand and leadership. The deal establishes a Stonewall foothold in Delaware and expands the platform's capabilities across the Mid-Atlantic in areas including historic restoration, mixed-use, institutional, and residential architecture.

Artisan Design Group (Sterling Group portfolio company) Acquires Builder's Alliance

August 2, 2021

Building Products

Artisan Design Group (ADG), a portfolio company of The Sterling Group, has acquired Builder's Alliance LLC, the largest independent supplier and installer of cabinets in Texas. The deal expands ADG’s cabinets footprint in Texas and enhances its bundled design-to-install service offerings for homebuilders, multi-family developers and institutional property owners.

Artisan Design Group (The Sterling Group) Acquires Just Floors

April 6, 2021

Building Products

Artisan Design Group (ADG), a portfolio company of The Sterling Group, has acquired Just Floors LLC, a Longwood, Florida-based provider of flooring design and installation and window-treatment services. The add-on expands ADG’s footprint in North and Central Florida and broadens its product and service offering while partnering with the Hart family, the sellers and owners of Just Floors.

JS Global (White Wolf Portfolio) Acquires Atlantic Design Group

April 15, 2022

Construction

JS Global, a Maryland-based government services contractor and portfolio company of White Wolf Capital, has acquired Atlantic Design Group (ADG), a metro Washington D.C. architecture, engineering and construction firm focused on Federal government and commercial projects. The deal is an add-on to JS Global’s AT/FP platform intended to expand design capabilities and overseas federal work across the combined client base.

Lowe's Acquires Artisan Design Group for $1.325 Billion

April 14, 2025

Building Products

Lowe's Companies, Inc. has agreed to acquire Artisan Design Group (ADG) for $1.325 billion in cash, expanding Lowe's Pro offering into a new distribution channel for interior surface finishes. ADG, headquartered in Dallas, Texas, operates 132 facilities, coordinates installation through over 3,200 personnel and reported approximately $1.8 billion in fiscal 2024 revenue; the deal was previously owned by The Sterling Group and is expected to close in Q2 2025.