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VERTEX has Experts that Talk the Talk and Walk the Walk.

Unlike others, VERTEX provides forensic consulting alongside traditional AEC services which allows for a 360 degree view of your project.

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VERTEX is a multi-discipline firm with global coverage. Our international network of resources enables us to provide multi-national clients with the most qualified local professionals who understand the culture, language, and regulatory framework.

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Steve Wilson

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US: 888.298.5162

Global: +1.781.952.6000


Stephen Wilson

General Contractor & Residential Waterproofing Expert, Real Estate Construction

With over 35 years of experience, Stephen Wilson has extensive construction management experience in commercial, civil, and residential projects. He has a thorough knowledge of construction practices with special emphasis on the building envelope as it relates to defect investigation, deck coatings, roofing, sheet metal, and waterproofing evaluations. Mr. Wilson has been designated in over 300 construction litigation disputes as an expert witness.

Mr. Wilson also performs walkway auditing services that provide a comprehensive analysis of the condition of all flooring, floor mats, and other potential slip, trip, and fall hazards.

Litigation Experience

Designated expert in over 140 construction litigation cases
Deposed over 40 times
Testified in 2 trial cases
Involved in over 200 mediations

Education & Certification

California State Contractor License #435496
B – General Contracting
C-39 – Waterproofing & Roofing (Inactive)

ICC #5246425-10 – Building Inspector UBC
ACI – Certified Construction Inspector
ACI – Certified Construction Consultant
ACI – Certified Construction Project Manager
Certified Walkway Auditor Safety Specialist


FEWA – Forensic Expert Witness Association
ICC – Member of the International Code Council
NFSI – National Floor Safety Institute

Expert Witness Services

Damages, Construction Defect

Damages, Real Estate Disclosure

Damages, Real Estate Validation

Damages, Water Intrusion

Standard of Care, Contractor