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Quantum Consultancy, LLC

About Quantum Consultancy

Quantum Consultancy, LLC is an emerging multidiscipline consulting engineering firm located in Sarasota, Florida.

Quantum benefits from its Leaders years of experience in highly regulated and challenging environments, overcoming both predictable and unexpected difficulties to deliver on time and on budget. Every new project will benefit from every Quantum project that comes before it.

Quantum’s experience and passion to stay in front of industry trends and technologies are only the beginning for us. We look forward to starting on your next project.

"Engineering that Matters"

Meet Quantum’s President and Partners

William Bethea, PE


Will served in the United States Navy ​for seven years where his Navy ​Command awarded him Petty Officer of ​the Year. He earned a Bachelor of ​Science in Mechanical Engineering from ​the University of Florida. While ​attending the University of Florida, Will ​worked as an Undergraduate Research ​Assistant. Upon graduation, he worked ​on Design-Build projects, primarily ​facilities in healthcare, government, ​and universities, including a project ​with NASA. Will specializes in HVAC ​design and calculations and is a ​Licensed Professional Mechanical ​Engineer in the State of Florida.

Kumar Buvanendaran, PE


Kumar brings more than 30 years in the AEC industry ​across design, management, operations, and client ​relations in the public and private sector. His ​experience ranges from bridge designer to CEO ​managing small start-ups to multi-million, multi-state ​‘ENR Top 500 Design’ companies. Kumar prides ​himself on his collaborative management style, ​ensuring the right team is in place, exemplary ​business development efforts are made, and the ​operations run seamlessly. He supports a work ​culture that centers around employee and client ​satisfaction yielding in long-term sustainability for ​growth and performance. Kumar is a licensed ​engineer in the state of Florida, among dozens of ​other states, with a Bachelor of Engineering degree ​in Civil Engineering and a Master’s Degree in ​Structural Engineering. Kumar volunteers his ​experience as a pragmatic strategist and ​entrepreneur to many start-up companies where he ​serves as an advisor and sits on their board of ​directors to shape the company's growth and ​strategy. He currently serves on the board of ​NewHOLD AEC, 3SG Plus, Niftron, Arogya Life, ​nVentures, and My Journey Pickleball.

B. Cory Attra, PE


Cory technically directs and enforces ​compliance of all analytical testing, ​engineering, and special inspection services in ​conformance with Building Codes, AASHTO ​and NAVLAP. Cory has 33 years of progressive ​experience in design engineering, design / ​build, construction, and special inspections. ​As Engineer of Record, Cory has been directly ​responsible for the design, installation and ​quality control of complex and deep ​foundations for over $500M in piles, micro-​piles, helical piles, sheet piles and coffer dams, ​drilled and driven caissons, GCP, RAP, rock ​anchors, and deep raft foundations in New ​York, Connecticut, Texas, Georgia, North ​Carolina, West Virginia, Puerto Rico, Arizona, ​California and Japan. Cory is a Licensed ​Professional Structural Engineer in many ​states including Florida.

Robert Haffeman, PE, LEED AP


Bob has managed a broad range of electrical engineering projects. His experience includes industrial and commercial design engineering on a variety of projects from schools, offices, housing, and institutions. He has designed emergency generators, new computer network systems, elevators, fire alarm systems, 15kv underground electrical feed, scoreboards, bleacher handling systems, and sound systems. Bob is a Licensed Professional Electrical Engineer in the State of Florida and in nine other states.

Quantum’s Services

Quantum provides a wide range of engineering services.

Mechanical | Electrical | Plumbing | Fire Protection


Construction Contract Administration


Markets in Focus

Quantum’s services are optimized for high-volume and regulated spaces including, federal projects, jails, criminal justice centers, aviation, healthcare, education, public recreation, bridge and road, stadiums, senior centers, and much more.


Maritime Museum, West Cortez, FL

Historical Restoration and Structural Repair

Hertz Arena, Lee County

Hardening-Design Services

Ed Smith Stadium

HVAC Replacement


Sarasota County Criminal Justice Center

Air Handler Unit Renovation HVAC Engineering Services

Lee County Justice Center -Annex and Proper Building

Plumbing Replacement, ADA and Electrical Upgrades

"Engineering that Matters"


Stay tuned for updates on Quantum News.

"Engineering that Matters"

Careers at Quantum

We are a close-knit team of experts in engineering, construction, and project management. We are always on the lookout for great talent!

Quantum posts job openings through our LinkedIn page. Opportunities change frequently and often fill up fast for in-demand roles. Stop by LinkedIn and take a look or apply anytime!

In Logo Blue Vector
  • Mechanical
  • Electrical
  • Plumbing
  • Fire Protection
  • Structural
  • Transportation
  • Construction Contract Administration

"Engineering that Matters"

Contact Us

If you would like to know more about Quantum Consultancy’s services, or if you have any other questions, please fill in our contact form.

Quantum Consultancy, LLC

505 South Orange Avenue

Sarasota, FL 34236