Contact Us

Based in Chicago, GaiaTech has eight offices in the U.S. and one in the U.K. We deliver Service4, a client-centric approach to environmental management. This devotion to client service includes a 24-hour hotline to address off-hours issues that often arise as a closing or deadline is imminent.

Please contact us through our main number or use the directory below to connect with a specific office. Click here to send us an email, request information about GaiaTech’s services, or to sign up for firm updates.


Main Telephone

(877) 599-4597

24-Hour Hotline

(877) 751-5224


Corporate Headquarters

CHICAGO

135 S. LaSalle Street
Suite 3500
Chicago, IL 60603
Tel. (312) 541-4200
Fax (312) 541-0340

International Office

MANCHESTER, UK

Herdslow House
Thorpe Lane
High Moor, Saddleworth
UK OL43SA
Tel. +44 (145) 787-7444
Fax +44 (145) 787-7666


Regional Offices

ATLANTA

3525 Piedmont Rad N.E.
Suite 520 - Bldg. 6
Atlanta, GA 30305
Tel. (404) 812-0001
Fax (404) 812-1992

BOSTON

P.O. Box 301532
Jamaica Plain, MA 02130
Tel. (413) 259-7280
Fax (617) 942-7742

CHATTANOOGA

224 Houser Street
Chattanooga, TN 37405
Tel. (423) 902-5336

DALLAS

122 W. John Carpenter Freeway
Suite 430
Irving, TX 75039
Tel. (469) 385-1600
Fax (469) 385-1599

DENVER

PO Box 22281
Denver, Colorado 80222-0281
Tel. (312) 607-0781
Fax (312) 541-0340

DETROIT

24101 Beech Road
Suite 100
Southfield, MI 48033
Tel. (248) 417-2799

WEST HARTFORD, CT

1245 Farmington Ave.
Suite 229
West Hartford, CT 06107
Tel. (860) 970-7633
Fax (860) 698-9135


Email Form:

To send us a specific question, request information on GaiaTech’s services, or to sign up for firm updates, please use the form below. (Note: Items in bold are required.)