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J.S. Held Expands Environmental Consulting Business in Northeast with Acquisition of Leighton Associates

JERICHO, N.Y. – July 5, 2017 – J.S. Held LLC, a leading, national, multi-disciplinary consulting firm, today announced the acquisition of Leighton Associates, Inc. (“Leighton Associates”).  Robert Leighton, founder, president and technical director of Leighton Associates, joins J.S. Held as Senior Vice President.  Financial terms of the private transaction were not disclosed.

Leighton Associates is an environmental health consulting firm specializing in industrial hygiene, indoor air quality, environmental health and safety investigations and training, as well as mold assessments and mold remediation planning and consulting.  The company will join the Environmental, Health & Safety Services division of J.S. Held, which is led by Executive Vice President, Tracey Dodd. 

“We are excited to welcome Leighton Associates to the J.S. Held team.  Since expanding into the environmental, health and safety arena last year, our clients have expressed a desire for us to extend our offering into the Northeast market,” said Jon Held, President and Chief Executive Officer of J.S. Held. “The proven capabilities of Leighton Associates ensure we can increase our level of service to our clients in the Northeast, and leverage the Leighton brand and existing relationships to provide broader support to their clients.”

Founded in 1992, Leighton Associates has served a wide variety of clients throughout the United States, including state and local municipalities, insurance companies, real estate development and property management firms, contractors, law firms, retail establishments, schools, universities, landlords, and private owners.  Services include air quality testing and consulting, project management and training for mold identification and remediation.

“J.S. Held has a stellar reputation for high quality technical talent and unwavering commitment to clients, so we are very excited to join forces,” said Leighton. “We look forward to working closely with Tracey and the rest of the team as we further expand our environmental, safety, and industrial hygiene consulting footprint throughout the U.S.”

This is the eighth acquisition J.S. Held has made since receiving a controlling investment in 2015 from Lovell Minnick Partners, a private equity firm specializing in investing in financial business services companies. Previous acquisitions include Spex, Meridian Consulting, CEIPS, U.S. HELM, Lovett Silverman Construction Consultants, Inc., the Property Loss Division of Chroma Building Corp., and Wakelee Associates. J.S. Held now has over 35 offices across the U.S. and Canada.

About J.S. Held Established in 1974, J.S. Held is a leading consulting firm specializing in construction consulting, property damage assessment, surety services, project and program management, and environmental, health & safety services.  The organization is committed to three fundamental pillars:  to provide high quality technical expertise; to deliver an unparalleled client experience; and to be a catalyst for change. J.S. Held is a leading global consulting firm, respected for its exceptional success addressing complex construction and environmental matters in the world.  The team is a group of multi-talented professionals, bringing together years of technical field experience among all facets of projects including commercial, industrial, high rise, special structures, governmental, residential, and infrastructure.

About Leighton Associates Leighton Associates, Inc. is an environmental consulting company specializing in indoor air quality, environmental investigations, and mold remediation. Founded in 1992, Leighton Associates serves a wide variety of clients including state and local municipalities, insurance companies, contractors, law firms, retail stores and individuals.  Leighton Associates services include air quality testing and consulting, project management and training for mold identification and remediation.


Monica Christopher

J.S. Held LLC

Chief Marketing Officer


(813) 245-7845