• (860) 243-1757
  • mcasslar@geoquestinc.com
  • Bloomfield, Connecticut

Moving FORWARD Together

GeoQuest is pleased to announce that Mark Gottlieb, Andrew Schott, Peter Prey, and Sarah McKenzie of Catalyst Environmental Consulting have joined the GeoQuest, Inc. Family.


Offers full range of site assessments based on the specific needs of the individual site. Performed in accordance with ASTM standards and local regulatory guidelines.


GeoQuest’s experience and knowledge of remedial alternatives can mean practical solutions which save clients time and money in their efforts to cleanup a site.


With more than 100 years of combined experience, GeoQuest is highly skilled in taking these sites from initial assessment through regulatory closure. 

Choosing an environmental consultant is an important business decision. You want high quality service by professionals who understand your business and can appreciate the unique needs of a project or transaction! GeoQuest is a full service environmental management and consulting firm committed to excellence in serving its clients’ needs.

GeoQuest, Inc. has been committed to excellence since 1993



As a small firm, we pride ourselves on bringing personalized service to our clients.

We are committed to working closely with you to understand and meet your individual needs, and arrive at a practical and cost effective solution to your environmental problems. We make it possible for businesses to concentrate on doing business, while we deal with any environmental problems you may encounter.


Marc Casslar

President & Founder

Projects completed cover a variety of situations including (but not limited to) property transfers; corporate mergers and acquisitions; regulatory compliance; Brownfields development; litigation and arbitration; and industrial, commercial, retail, and residential developments.

Our staff is experienced in developing and implementing solutions to a wide range of environmental problems.