United Consulting is a multidiscipline engineering consulting firm based in Atlanta, Georgia with extensive experience in geotechnical and environmental consulting, geophysical services, construction materials testing, and inspection services, completing thousands of Geotechnical Explorations throughout the United States. Our 8,000 square foot, a state-of-the-art materials testing laboratory is AASHTO accredited and provides a variety of soil mechanics and materials tests.

For over 25 years, United Consulting has provided expert consulting engineering and geotechnical services for the built environment. We specialize in earth sciences, environmental sciences, site/property evaluations and soil testing services. At United Consulting, we provide more than distinct engineering and environmental services - we approach each assignment with the philosophy that the client's needs and concerns are the reasons we are in business.

Our technical services:

Geotechnical Engineering

United Consulting’s many years of geotechnical engineering experience gives us a solid foundation to offer expert judgment to help our clients avoid cost overruns, claims, failures, safety concerns, and a host of other potential problems that could derail a project. We excel in foundation investigations, deep foundations, roads and bridges, slope stability, soil stabilization, earth dams, tunneling, geosynthetic reinforced retaining walls, dewatering systems and soil mechanics laboratory.


Environmental Services

United Consulting offers comprehensive environmental services, including Phase I Environmental Site Assessments and Phase II Environmental Site Assessments as well as Brownfields, contaminated soil or groundwater testing, asbestos and lead-based paint surveys, and wetland and stream bank delineation and permitting. Additionally, we use Breeze-Pro and ARCHIE software to complete School Risk/Hazard Analysis.


Geophysical Services

United Consulting’s professionally licensed geologists won't let our clients get stuck between a rock and a hard place. Our clients know they can count on us to provide appropriate recommendations concerning the geological condition of their site. Whether you need ground penetrating radar, geological mapping and reconnaissance, probabilistic seismic hazard analysis, vibration monitoring, rock stability analysis, geophysical instrumentation or earth sensitivity and electromagnetic surveys, our impeccable team is here for you.


Subsurface Utility Engineering

Subsurface Utility Engineering (SUE) is a nondestructive method of detecting underground infrastructure. It includes designating the horizontal and vertical location of the utilities, land surveying, locating, data reduction, and presentation of the information utilizing CaiCE software and Microstation. SUE can be Level B, designate technology, or Level A, vacuum excavation (potholing). With more than 10 years experience in the field of subsurface investigations, United Consulting is well trained and supports three state-of-the-art techniques for subsurface investigations.


Construction Material Testing

Our clients are confident of United Consulting’s high standards and excellence in Construction Materials Testing because of our highly and uniquely qualified staff and our participation in and certification by nationally recognized organizations. Our lab meets or exceeds the rigorous standards of such organizations as the US Army Corps of Engineers, the Concrete Advisory Board of Georgia, the Georgia Department of Transportation, and AASHTO.


Inspection Services

Our clients often require existing property site inspections to be prepared by an engineering firm as a condition of financing or re-financing a property. These inspections are a preliminary review to identify problems and general costs. United Consulting is very familiar with the International Building Code (IBC) and Special Inspections as we are an approved agency as defined in Section 1703, and through American Council of Engineering Companies of Georgia (ACEC/GA). United Consulting also helped in the development of the Georgia Amendments to the Code. We have one of the largest staff of ICC Certified Inspectors in the State of Georgia.


United Consulting’s top management has been together for over 25 years, with our Senior Management and Team Leaders averaging over 20 years with our firm. Because of these dedicated individuals, we enjoy an excellent reputation as a technical leader with a client service oriented attitude.

We are especially proud of our people. Everyone in the company, from executives to field staff to project/client administration, are knowledgeable, highly skilled, and motivated to provide the best service to our clients. We invest heavily in our staff by providing mandatory training programs, including in-house seminars and workshops, as well as formal outside-the-office course work. This emphasis on continuing education assures that each individual is informed of the latest methods and state-of-the-art equipment in his/her specialty.

The Executive Management Team at United Consulting has been working together for more than 25 years. With over 100 years of combined "lessons learned," these individuals have the knowledge to help our clients avoid mistakes.  They consistently bring time and money saving ideas to our clients' projects and they can do the same for you.

  • Reza Abree, P.E - Chief Executive Officer/President
  • Chris L. Roberds, P.G - Senior Executive Vice President (Secretary)
  • Scott D. Smelter - Senior Executive Vice President (Treasurer)
  • United Consulting HQ

    625 Holcomb Bridge Road
    Norcross, GA 30071
    Phone: 770-209-0029
    Fax: 770-582-2900


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  • Alabama Office

    7810 Parkway Drive
    Leeds, AL 35094
    Phone: 205-699-4484
    Fax: 205-699-3514


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  • California Office

    10211 Pacific Mesa Boulevard, Suite 40
    San Diego, CA 92121
    Phone: 858-412-4252


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Driving Directions

  • If you are heading north on I-285 on the east side, exit at 31b Peachtree Industrial Blvd. North and 141 North. On the exit ramp stay on the road that has the sign 141 above it. If you are heading east on I-285 exit at 31b exit at 31b Peachtree Industrial Blvd. North and 141 North. Follow this road for approximately 4 miles. Pass Jimmy Carter Blvd and at the split in the road, bear right to stay on Peachtree Industrial Blvd. At the first light, which is Holcomb Bridge Rd., turn right. Our office is 1/2 mile down on the right.
  • Exit at Jimmy Carter Blvd. (heading south on I-85 turn right, heading north on I-85 turn left). Go approximately 3 miles and turn right onto Atlantic Blvd., which is a light. Turn right at the next light, Holcomb Bridge Road. Our office is a ¼ mile down Holcomb Bridge Road on the right.
  • If you are heading north take exit 7a ( Holcomb Bridge Road) and turn right off the exit. If you are heading south take exit 7 ( Holcomb Bridge Road) and turn left off the exit. After going approximately 7 miles, take a left at the light across from Conifer Crossing Apartments to stay on Holcomb Bridge Road. Go through three lights and our office will be ¼ mile on the right, past the 3rd light.
  • If you are south of Atlanta and are heading north on I-75 get on I-85 and follow the directions above for I-85. If you are north of Atlanta and heading south on I-75 exit onto I-285 heading east and follow the above directions for I-285.

United Consulting is licensed and registered in 31 states and continues to grow.

Download United Consulting’s full Statement of Qualifications HERE.