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Business is always changing, and we are dedicated to responding to changes in order to provide you with the best service possible. We want to be a significant resource to you for your business transition – selling or acquiring/merging. In this section you will find resources and tools that are relevant to mergers and acquisitions and our work with you.

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2026 K-12 Architecture Market Report
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2026 K-12 Architecture Market Report
April 16, 2026
2026 K-12 Architecture Market Report Market insights, transaction trends, and strategic positioning across the K-12 sector View Full Report Schedule…
Stacy Neal Sell Side Resources Buy Side Blog Case Studies
VPS Case Study
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VPS Case Study
April 13, 2026
Open Case Study
Stacy Neal Resources Case Studies
The Hidden Traps That Kill AEC Firm Value and How to Avoid Them
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The Hidden Traps That Kill AEC Firm Value and How to Avoid Them
December 18, 2025
You have spent years building your firm. But when it comes time to transition whether to a buyer, your internal…
Adi Butt Blog
The Value of M&A Advisory Firms
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The Value of M&A Advisory Firms
November 18, 2025
This white paper explains how M&A advisory firms like Stonemill Partners help A/E/C business owners maximize value, minimize risk, and…
Stacy Neal Resources Sell Side Buy Side
Internal Succession vs. Selling to a Strategic Buyer: What’s Right for Your AEC Firm?
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Internal Succession vs. Selling to a Strategic Buyer: What’s Right for Your AEC Firm?
November 12, 2025
By: Patrick Neal, Managing Partner, Stonemill Partners The Defining Question for Every AEC Owner At some point in every architecture,…
Patrick Neal Sell Side Blog
Graf and Lewent Case Study
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Graf and Lewent Case Study
November 4, 2025
DIGroup Architecture has acquired Graf & Lewent Architects, expanding its New York City presence and strengthening expertise in higher education,…
Stacy Neal Case Studies
Stevenson Case Study
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Stevenson Case Study
November 3, 2025
Stonemill Partners advised Stevenson Consulting in its strategic acquisition by UES, expanding UES’s Mid-Atlantic footprint and strengthening its geotechnical and…
Stacy Neal Case Studies
Moon Mayoras Case Study
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Moon Mayoras Case Study
October 28, 2025
Stonemill Partners advised Moon Mayoras Architects, a San Diego–based healthcare design firm, in its strategic acquisition by Abramson Architects of…
Stacy Neal Case Studies
RossTarrant Case Study
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RossTarrant Case Study
October 23, 2025
Stonemill Partners advised RossTarrant Architects, a leading educational design firm, in its strategic sale to MoreGroup, aligning culture, values, and…
Stacy Neal Case Studies
MAA Case Study
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MAA Case Study
October 9, 2025
Through Stonemill Partners’ advisory, Macgregor Associates Architects joined Invision Architecture in a transaction that advanced growth, culture alignment, and long-term…
Stacy Neal Case Studies
Montgomery Roth Case Study
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Montgomery Roth Case Study
October 9, 2025
Stonemill Partners advised Montgomery Roth Architecture & Interior Design in its strategic sale to Shive-Hattery, securing a values-aligned succession plan…
Stacy Neal Case Studies
Southport Case Study
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Southport Case Study
October 8, 2025
Stonemill Partners advised Southport Engineering Associates in its acquisition by NV5 Global, guiding a succession plan that preserved culture, empowered…
Stacy Neal Case Studies
Navigating the Next Decade
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Navigating the Next Decade
October 6, 2025
Navigating the Next Decade: Growth, Succession, and M&A Strategies for Architecture, Engineering, and Construction Firms.
Stacy Neal Sell Side Buy Side
90-Day Market Readiness Guide
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90-Day Market Readiness Guide
October 6, 2025
THE A/E/C FIRM OWNER’S 90-DAY READINESS PLAN. 7 Steps to Protect Your Value and Legacy .
Stacy Neal Sell Side
Marino Case Study
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Marino Case Study
September 30, 2025
Case Study: UES Acquires Marino Engineering Associates – A Strategic Growth Move
Stacy Neal Case Studies
Peak Case Study
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Peak Case Study
September 30, 2025
Stonemill Partners advised Peak Systems Engineering on its successful sale to Spiezle Architectural Group, ensuring a seamless transition and strategic…
Stacy Neal Resources Case Studies
BDW Case Study
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BDW Case Study
September 30, 2025
Stonemill Partners Advises BDW Architects in Transformative Sale to Hidden Harbor Capital Partners
Stacy Neal Case Studies
What’s Your AEC Firm Worth? The Factors That Influence Valuation
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What’s Your AEC Firm Worth? The Factors That Influence Valuation
September 23, 2025
If you’re an owner or principal in an architecture, engineering, or construction (AEC) firm, chances are you’ve asked yourself this…
Adi Butt Sell Side Blog
7 Warning Signs It’s Time to Start Your Exit Plan
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7 Warning Signs It’s Time to Start Your Exit Plan
September 23, 2025
For many firm leaders, the decision to exit is less about timing the market perfectly and more about recognizing the…
Adi Butt Sell Side Blog
In The Boardroom, A Stonemill Podcast
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In The Boardroom, A Stonemill Podcast
August 6, 2025
The Boardroom is where firm owners, executives, and acquirers in the AEC industry come for straight talk on succession, strategy,…
Stacy Neal Podcasts
Business of Architecture Podcast
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Business of Architecture Podcast
April 21, 2025
Architecture firm owners are increasingly burdened by succession planning, talent shortages, and the pressure to scale in a competitive market.…
Stacy Neal Podcasts
5 Unique Nuances of Selling an Engineering Firm
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5 Unique Nuances of Selling an Engineering Firm
August 19, 2024
5 Unique Nuances of Selling an Engineering Firm Selling an engineering firm is a complex process that requires careful consideration…
Patrick Neal Sell Side
The Future of AEC: 7 M&A Trends to Watch
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The Future of AEC: 7 M&A Trends to Watch
August 12, 2024
The Architecture, Engineering, and Construction (AEC) industry is experiencing unprecedented change as we move further into the year. Mergers and…
Tanya Gagnon Sell Side Buy Side Architecture Engineering Construction
5 Unique Nuances of Selling Your Architecture Firm
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5 Unique Nuances of Selling Your Architecture Firm
July 23, 2024
The process of selling your architecture firm involves unique considerations beyond the standard A/E/C M&A transaction. Since 2012, we have…
Tanya Gagnon Sell Side Blog Architecture
Selling Your Architecture Firm: A Guide for Architecture Firm Owners
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Selling Your Architecture Firm: A Guide for Architecture Firm Owners
June 21, 2024
The decision to sell your Architecture firm can be a life-changing one. It can bring financial security, allow you to…
Tanya Gagnon Sell Side Architecture
How Much Is Your Company Worth?
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How Much Is Your Company Worth?
June 21, 2023
Whether you’re buying a company in the built environment (architectural, engineering, or construction) or selling, it’s vital to understand how…
Tanya Gagnon Sell Side
Selling Criteria for Your Business [Critical Read]
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Selling Criteria for Your Business [Critical Read]
June 21, 2023
Criteria as we define it in the business selling process is your motivation to sell your business.Stating your criteria first…
Tanya Gagnon Sell Side
Your Transition Plan Might Need to Start Now
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Your Transition Plan Might Need to Start Now
June 21, 2023
Everyone in the built environment wants to know the trick to successfully selling a business or executing well on any…
Tanya Gagnon Sell Side Blog
Am I Ready to Work with an M&A Firm to Sell my Business?
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Am I Ready to Work with an M&A Firm to Sell my Business?
June 21, 2023
You may be more ready to work with an M&A firm than you think, especially in view of increased M&A…
Tanya Gagnon Sell Side
What is Working Capital?
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What is Working Capital?
June 21, 2023
Working Capital in the Sale of a Business in the Built Environment
Tanya Gagnon Sell Side Buy Side
Make no Mistake – Time Kills Deals
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Make no Mistake – Time Kills Deals
June 21, 2023
When it comes to mergers and acquisitions – TIME IS THE ENEMY!  Time allows people to second guess decisions, consider…
Tanya Gagnon Sell Side Buy Side
Selling a Company in the Built Environment: How the Process Works
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Selling a Company in the Built Environment: How the Process Works
June 21, 2023
Congrats on selling your marketing agency. This is a super exciting time for you! If the process seems overwhelming, don’t worry. With…
Tanya Gagnon Sell Side
Is a Promissory Note Common?
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Is a Promissory Note Common?
June 21, 2023
Promissory Notes in Acquisitions in the Built Environment
Tanya Gagnon Sell Side Buy Side
How Long Does It Take to Sell my Company in the Built Environment?
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How Long Does It Take to Sell my Company in the Built Environment?
June 21, 2023
When you finally say to yourself, I want to sell my company in the built environment, you may think that things…
Tanya Gagnon Sell Side
What to Do Before Selling Your Business
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What to Do Before Selling Your Business
June 21, 2023
Continue or Beef Up Business Development You did it! You listed your company for sale. Now what? Do I sit…
Tanya Gagnon Sell Side
Mistakes Made by Companies in the Built Environment Attempting to Sell on Their Own
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Mistakes Made by Companies in the Built Environment Attempting to Sell on Their Own
June 21, 2023
Selling a company in the built environment can be difficult and time consuming. The merger and acquisition (M&A) process is…
Tanya Gagnon Sell Side
12 Tips to Sell Your Company in the Built Environment for The Best Price
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12 Tips to Sell Your Company in the Built Environment for The Best Price
June 21, 2023
As you contemplate the decision to sell your company in the built environment, it’s important to have a thorough understanding…
Tanya Gagnon Sell Side
5 Reasons to Be Acquired in the Built Environment
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5 Reasons to Be Acquired in the Built Environment
June 21, 2023
The built environment is getting more and more competitive. During the pandemic and even now as the economy improves there…
Tanya Gagnon Sell Side
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We are a non-traditional Mergers & Acquisitions firm. We focus on culture and synergy and take a hands-on, solutions-based approach that puts our active engagements in front of more firms than anyone else.

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