Heritage Capital Advises Koogler & Associates on Sale to ALL4

JACKSONVILLE, Fla., Sept. 16, 2026 /PRNewswire/ -- Heritage Capital Group, Inc. (Heritage), an investment banking and financial advisory firm serving middle-market and emerging growth companies in the U.S. and worldwide, is pleased to announce that its client, Koogler & Associates, Inc. (Koogler), has been acquired by ALL4 LLC (ALL4).

Koogler is a specialized environmental engineering and air quality consulting firm located in Gainesville, FL, with more than 52 years of experience primarily serving industrial clients throughout the Southeastern United States. 

ALL4 is a leading global provider of strategic consulting services, helping organizations navigate complex Environmental, Health, and Safety challenges across a broad range of heavily regulated industries. Their areas of expertise encompass air quality, acoustics, chemical reporting and management, digital solutions, environmental planning and permitting, sustainability, investigation and remediation, occupational health and safety, waste management, and water quality, with offices in the U.S. and Spain and other remote experts located in Canada and Latin America.

"For more than five decades, Koogler & Associates has been committed to helping our clients navigate complex environmental and air quality challenges with technical excellence and integrity. As we considered the future of the firm, it was important to find a partner that shared our values, our commitment to client service and our investment in our people. ALL4's reputation, resources and global reach make them an ideal fit to build upon the foundation we have established," said John B. Koogler, Ph.D., P.E., Founder, Koogler and Associates, Inc.

"Joining ALL4 represents an exciting next chapter for our team. The combination expands the depth and breadth of services available to our clients while preserving the technical expertise and personalized approach that have defined Koogler for decades. We look forward to leveraging ALL4's capabilities and international platform to better serve clients throughout the Southeast and beyond," said Max Lee, Ph.D., P.E., President of Koogler and Associates.

"Koogler has earned a strong market position through decades of technical leadership, exceptional client service and deep industry expertise. ALL4's extensive capabilities, geographic reach and shared commitment to technical excellence make this a highly strategic partnership. We were honored to advise John, Max, Veronica and the entire Koogler team on this important transaction and help position the company for continued growth and success," said Dan Edelman, principal at Heritage Capital Group and lead advisor on the deal.

Heritage served as the exclusive advisor to Koogler & Associates, Inc. The deal team was led by Dan Edelman. Transaction support for the deal was provided by Ryan Schwartz and Mike Bouton. The terms of the transaction were not disclosed.

Heritage Capital Group provides advisory services on mergers, acquisitions and capital raising to middle-market and emerging-growth companies. Heritage is a FINRA-registered broker-dealer and a member of Oaklins, a global M&A advisory firm with more than 900 professionals across 40 countries.

Media Contact:
Lauren Steif
Public Relations Manager, Heritage Capital Group
904-354-9600
[email protected] 

SOURCE Heritage Capital Group