VERTEX uses cookies to make our website work properly and to provide the most relevant content and services to our clients and site visitors.



In 1995, the founders of VERTEX had the vision of creating a new type of company that offered traditional AEC services along with forensic consulting. After recently celebrating 25 years in business, VERTEX is proud to have realized this vision.


VERTEX founded in greater Boston, Massachusetts.


VERTEX opened offices in New York City and San Francisco.


Tetra Tech, Inc. (TTEK: Nasdaq) acquired VERTEX (Management-led buyback in 2005).


VERTEX established an international teaming arrangement with three multinational technical service firms.


Management-led VERTEX buyback. VERTEX established operations in Washington State and northern California.


VERTEX established operations in Florida.


VERTEX established operations in Texas.


VERTEX opened VERTEX Ingenieros Consultores S. de R.L. de C.V. in Mexico. VERTEX established operations in Michigan.


VERTEX acquired McGlamery Engineering Group, LLC. VERTEX opened regional offices in Chicago, Newark, NJ; Raleigh, NC; and Philadelphia area.


VERTEX acquired TCS. VERTEX opened offices in Los Angeles, Boston, and Japan.


VERTEX opened offices in Washington D.C. and subsidiary, VTX Consulting Services Inc., in Toronto, Canada. In December, VERTEX became an ESOP organization, offering ownership stake in the company to the employees.


VERTEX opened an office in Hawaii.


VERTEX celebrated 20 years in business. VERTEX opened offices in St. Louis, Atlanta and Houston.


VERTEX acquired Optistar Technologies. VERTEX eclipsed 450 employees.


Boyle Consulting Group, Inc. joined VERTEX to expand Forensic Accounting services. Koch Environmental (Denver) joined VERTEX to expand Industrial Hygiene & Building Science services.


VERTEX partnered with the University of Colorado, Denver to further our Lifetime of Learning philosophy.


Compass Project Management, Inc. joined VERTEX to expand Owner’s Project Management services. Compliance Environmental International (CEI) joined VERTEX to expand services to the Healthcare industry.


VERTEX celebrates 25 years in business. Xpera Group joined VERTEX to expand our Construction, Forensics, and Quality Assurance services on the West Coast.


Lockwood, Kessler & Bartlett, Inc. (LKB) joins VERTEX to expand our Engineering Design and Construction services on the East Coast.