Structural Engineers


“37 Years of Engineering Experience”



Engineering Excellence, Engineered for Success


About SQ Consultants, Inc.

SQ Consultants, Inc. is a minority owned professional engineering consulting firm serving the Washington Metropolitan DMV Area.

Our Vienna, Virginia staff is highly trained and fully skilled to respond to complexities and constraints of all kinds of commercial and residential projects.

Clients recognize us for highly innovative ideas and practical solutions that deliver best project outcomes. Our dedication to quality, out-of-the-box thinking, and commitment to providing exceptional client service for over 37 years has enabled us to become one of the leaders in engineering consulting services.

Get in touch today to discuss your next project!

Call us (703) 759-4901

Our Services

  • Administrative Management and General Consulting Services

  • Structural Assessments and Evaluations

  • Building Inspection Services

  • Design, Drawing and Drafting Services

  • Geotechnical Services

Why Choose Us

Committed to excellence, our engineering solutions are practical and flexible. We use exceptional strategies at highly competitive rates.

SQ Consultants, Inc. is a professional and reputable business serving clients in DMV areas of Northern Virginia and Maryland for over 37 years.

We have an extensively experienced and technically skilled engineering staff. We are licensed professional engineers in Vienna, Virginia and Maryland.

We pride ourselves on our individualized client relationships were we provide customized and tailored engineering solutions. Our projects are expertly managed with high quality control and service levels.

Client Testimonials

“SQ Consultants have done number of jobs with our firm over the years and always provided the highest quality work. From geotechnical and soils engineering to structural design and analysis, all tasks are performed with the highest standards and our clients have been very satisfied.”
“SQ. Consultants have provided structural and geotechnical services on numerous commercial and residential projects for our firm. The response, often on short notice, has always been quick, the cost reasonable and the quality of the design excellent. I highly recommend them.”
“In the many years that we have relied on SQ.Consultants,they have always been a professional service that we could rely on 100% of the time. Sometimes in the construction business problems arise, you can count on SQ Consultants, Inc to be there to assist you on a moment’s notice. Many firms can say that they are as good, but none can say they are better than SQ Consultants Inc.”

“SQ Consultants provided us – first-time home buyers – with remarkable expertise while inspecting a potential home. Structural engineer spent extra time to educate as well as explain critical aspects of the home foundation and how to protect it as a homeowner. SQ Consultants conducted the onsite visit and delivered a detailed report in less than 12 hours. We are thankful for the quick turnaround, professionalism exhibited, and detailed findings and commentary.”

“We have used the services of SQ Consultants in multiple circumstances in our projects. Very responsive and straight forward giving us detailed orientation in structural projects. Since then we have referred them to many friends and customer’s, and they were very satisfied with their services.”
“We have worked with SQ Consultants on our engineering for at least for 10 or 12 years. Always very professional, all work is top notch and all in all, we know when SQ Consultants is involved that we will have great quality and information and will follow up properly.”
“SQ Consultants have been a miracle. We had bad soil and have had they looked over all the aspects of the build. My wife and I feel so confident and comfortable with his knowledge and guidance we had him deal directly with our builder.”
“The easiest way I can summarize my experience with SQ Consultants is Amazing! I have worked with them for over 6 years and every time, I have received excellent service, turnaround times and I will be forever appreciated his amazing delivery. Always on time with exceptional service and always great to deal with!”

Certified by

MBE, DBE, & SBE (Washington Metropolitan Area Transportation Authority)

Washington Metropolitan Area Transportation Authority

VA – DBE & SWaM (Department of Small Business and Supplier Diversity)

Small, Woman and Minority-Owned Businesses

VA – DBE & SWaM (Department of Small Business and Supplier Diversity)

Virginia Department of Small Business & Supplier Diversity

VSBEP (VDOT – Virginia Department of Transportation)

VDOT – Virginia Department of Transportation

Metropolitan Washington Airports Authority

LDBE (Metropolitan Washington Airports Authority)

Our Clients

We are proud of the relationships we have forged over the last 36 years. We value our high percentage of repeat and referral business. Some of our valued clients are:

  • Acquaguard Waterproofing
  • ACT Construction
  • Action Home Construction
  • All’s Contracting, Inc.
  • Archibuild Design Build
  • Arlington Designer Homes
  • ASTA Homes, Inc.
  • Audet Construction
  • Barbers Home Repair
  • BEI
  • Belfor
  • Biber Construction
  • BR Design Build
  • J.P. Broyhill Contractors
  • Buck Realtors
  • Burgess & Niple
  • Butenhoff Construction
  • Carribean Contractors
  • Case Design Build
  • Centennial REC
  • Classic Realty
  • CMP Restoration Company
  • Cook Brothers Design Build
  • Creative Home Elements
  • Creative Home Improvement
  • Dave Payne Construction
  • Dee David Co
  • Denny Contracting
  • DF Associates
  • Disaster Response
  • DW Total Construction
  • Fisher Group
  • Fred Obermyer Construction
  • Frank Schiesinger Associates
  • Great Falls Contractors, Inc.
  • HA Design Group, LLC.
  • Heritage Home Improvements
  • Holmes Design Build
  • Honeycomb Construction
  • ITEK Construction & Consulting
  • Jarvis Builders
  • The John Hall Construction Company
  • John Hugh McLeod III AIA
  • John Linham AIA
  • Kingstowne Lawn Care
  • Land Art Design, Inc.
  • Katinas Bruckwick Architecture
  • Long & Foster Realtors
  • Masonry Specialist, LLC
  • M.B.C. Design Build
  • Merrill Contracting
  • Mister Renovator Enterprises
  • North Star Companies
  • Old Dominion Homecrafters
  • Patner Construction, Inc
  • Richard Newton
  • Schroeder Design/Build, Inc.
  • SCS Engineers
  • Sever Construction, LLC
  • Sun Design Remodeling
  • Swift Construction
  • top Builders, LLC
  • T.R. Young Services
  • Washington Custom Builders
  • 4 Seasons Contruction

Some of Our Completed  Projects


  • VDOT – Bridge Inspection – Schwartz & Associates
  • Structural Inspection of Buildings – Lincoln Park Condominium
  • Warehouse Mezzanine Inspection – Compass Coffee
  • Warehouse Mezzanine Inspection – Spectrum Electrical Services
  • Taco Bamba Inspection – TCM Construction


  • Warehouse and Building Evaluation of Compass Coffee
  • Evaluation of Chillers, Apartments and parking lots – The Bainbridge Companies
  • Structural Evaluation of Building – New Samaritan Baptist Church
  • Retaining Wall Evaluation – Regal Virginia Gateway Stadium


  • Support of Traffic Monitors at BWI, DCA and Dulles Airports- Patner Construction
  • TGM Fitness Center – John Hugh McLeod III, Architect
  • RMS Electrical Services
  • Design installation of the monitors and light poles – RMS Electrical Services
  • Design for Adaire Apartments – Belfor USA Group
  • Design of Google Container – EVFoods


  • Landfill Monitor in MD – SCS Engineers
  • Goose Creek Country Club – John Hugh McLeod III, Architect
  • Sprint Data Center Building – John Hugh McLeod III, Architect

Ready to get started working with structural engineers committed to project excellence?

Contact SQ Consultants Today at (703) 759-4901 or fill out the form below.