Engineering Services

Delivering comprehensive engineering solutions for your construction projects.

Engineering

Structural, Civil, Sustainability, & Energy Consulting.

QA/QC & Inspections

Thorough inspections ensuring quality and compliance.

Excellence in Engineering

Lessani is a Washington, D.C. based firm specializing in engineering and technical review, dedicated to delivering high quality services throughout the project lifecycle with a hands on approach.

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20+
Successful large projects
5
Trusted by Clients

Local Small Business

Lessani is a proudly local, certified small business based in Washington, D.C., with deep roots in the community and a strong commitment to public service and infrastructure improvement. As a Certified Business Enterprise (CBE) and HUBZone certified firm, we bring both regional insight and federal credentials to every project we undertake.

Certified Business Enterprise

DC Local Small Business

Certified by DSLBD

Certification Categories by DSLBD:
SBE, DBE, LBE, DZE, ROB, EIE

HUBZone Certified

HUBZone Certified

U.S. Small Business Administration

Federal set aside eligibility for contracting opportunities reserved for HUBZone certified firms.

Our Projects

Explore our diverse portfolio of successful engineering projects.

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Structural Engineering

Design, analysis, and third party review across building types.

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Inspections and Energy

Field inspections, plan review, and energy consulting with a hands on approach.

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