AAA Engineering of Chicago, IL Acquired by Strategic Entrepreneurs in Chicago, IL

CHICAGO - June 9, 2025 - PRLog -- Calder Capital is pleased to announce the successful sale of AAA Engineering, a Chicago, Illinois-based engineering firm, to Brian Castro and Shyam Raj of Chicago, Illinois.

AAA Engineering has built a reputation for delivering high-quality mechanical, electrical, plumbing, communications, and traction power engineering services, as well as construction administration, construction management, and inspection services.

With AAA Engineering Owner Rachel Borenstein looking to transition into her next opportunity, she engaged Calder Capital's Sell-Side team.

"As I sought to transition out of AAA Engineering, my greatest priority was finding the right buyers who could maintain the values, relationships, and quality that we have upheld for years," Rachel commented.

Brian Castro and Shyam Raj bring extensive experience and leadership to AAA Engineering as its new owners. Brian Castro, now CEO, is a civil engineer with nearly 15 years of experience. Shyam Raj, now COO, has held executive roles in major Midwest engineering firms.

"We are excited to acquire AAA Engineering and continue its legacy of excellence," stated Castro.

Shane Kissack of Calder Capital served as the Exclusive Mergers & Acquisitions Advisor to AAA Engineering and was aided by his Calder Capital colleague, Jakob Simonds.

Calder's Sell-Side Team generated significant interest resulting in 79 CIMs sent to qualified buyers resulting in 5 Letters of Intent (LOIs) received.

"Through the acquisition process, Calder Capital acted with tact, trust, and professionalism. They supplied the diligence required and their responsiveness helped inform our decision-making," said Shyam Raj.

"The Calder Capital team was pleasant to work with, responsive, and financially organized throughout the entire process. They put together a great presentation of my business that accurately showcased its strengths and attracted multiple strong buyers," stated Borenstein.

Max Friar, Managing Partner of Calder Capital stated, "Rachel built a fantastic company, and we are thrilled that Brian and Shyam will be carrying its legacy forward. This transaction is a testament of how Calder pairs highly qualified buyers with outstanding businesses."

Calder Capital served as the Exclusive Sell-Side Mergers and Acquisitions Advisor to AAA Engineering.

About AAA Engineering:

AAA Engineering is a minority-owned small business serving Illinois, Wisconsin, and Indiana. The firm specializes in Mechanical, Electrical, Plumbing, Communications, and Traction Power Engineering, as well as Construction Administration, Construction Management, and Inspection Services. To learn more, please visit https://aaaengineering.net.

About Calder Capital:

Founded in 2013, Calder Capital, LLC is a lower middle market investment bank providing mergers and acquisitions advisory services to business owners, entrepreneurs, family offices, and investors across the United States. Calder's services include mergers and acquisitions advisory, private funds and capital markets advisory, and business valuations. To learn more, please visit http://caldergr.com