Zero/Six Consulting, LLC is a multifaceted professional services company specializing in the commissioning of high-performance buildings.

icon_widget_image Monday-Friday: 8:00 AM to 5:00 PM icon_widget_image 1027 Tremont Street, Galveston, TX 77550. icon_widget_image (409) 740 0090 (Office) (409) 740 0554 (Fax) icon_widget_image
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Expert Testimony

Experienced Voices for Informed Judgements


Expert Witness Testimony

The Zero/Six Consulting team of expert testimony witnesses led by William (Bill) H. Coltzer Jr., AIA has built their reputation on; preparation and expert knowledge of the industry, professionalism and clarity in depositions, objectivity and an honest demeanor on the stand, in legal cases requiring expertise in Building Envelope Systems. With nearly 50 years of experience and expertise in the building envelope industry, the Zero/Six Consulting team has testified on behalf of attorneys, litigators, and the courts with expertise in analyzing infrastructures to isolate the issues and identify the problem in building assembly failures, delays, code compliance, construction costs, defects, schedule delays, and economic damages.

Our team of industry experts will decipher the technical language used in contracts to provide detailed reports, documentation and presentations to better serve your case.

Zero/Six has an established protocol and procedures to ensure adherence to special project instructions and claim’s handling, providing coordination with counsel throughout the entire claim preparation and dispute resolution process.

Unveiling Truths with Professional Expertise

Our expert mediators adeptly navigate the intricacies of construction disputes, facilitating amicable resolutions that uphold your interests and maintain valuable relationships.

A Legacy of Trust and Credibility

With seasoned experts providing clear, authoritative testimony and precise failure analysis, we illuminate the facts to support fair and informed resolution outcomes.

Expert Testimony Services

Informed Legal Insights

Structured steps and procedures involved in the construction of a building from inception to completion.

Building processes

Legal agreements detailing the obligations, costs, and other terms between involved parties.

Construction contracts

Securing necessary funds to cover construction costs and manage cash flow.


Financial safeguards ensuring project completion and covering potential risks or damages.

Bonds and insurance

Professional service overseeing planning, design, and construction to ensure project success.

Construction management

Official authorizations required to comply with local construction and zoning laws.

Government Permits

Adherence to legal, safety, and quality standards governing construction practices.

Regulatory compliance





Zero/Six's outstanding professionalism, along with their high level of expertise, has consistently equipped our team with the essential resources needed to ensure the successful completion of our projects.

Laura Lara

Senior Project Manager, The University of Texas

Zero/Six has been successfully providing consulting services for projects with the OFPC South Texas Region for over 8 years, I would not hesitate to recommend and consider them for any future endeavors.

Patrick Lew

Senior Project Manager, The University of Texas

Zero/Six's dedicated staff and ongoing contributions significantly enrich our team, ensuring the delivery of top-quality buildings. We wholeheartedly welcome Zero/Six's involvement in any project.

Mark Kimball

Project Manager, The University of Texas

Elevate Your Building Experience With Us


What encompasses Zero/Six's Forensic Architecture services?

Delving beyond the surface to unveil structural truths, our forensic architecture services encompass detailed analysis, expert testimony, and litigation support, ensuring a thorough examination of architectural concerns.

How can Forensic Architecture benefit my project?

Our forensic architecture expertise identifies and addresses hidden design or construction deficiencies, aiding in the resolution of disputes, and ensuring your project adheres to the highest standards of safety and quality.

What tools and technologies are utilized in Zero/Six's Forensic Architecture services?

Employing cutting-edge technologies like 3D scanning and Building Information Modeling (BIM), we provide a thorough, precise analysis, ensuring accurate, actionable insights for every forensic investigation.

How does Zero/Six ensure confidentiality during forensic investigations?

Upholding the utmost confidentiality, we ensure that all findings, reports, and expert testimonies are handled with a stringent level of privacy, fostering a trust-centric, professional environment throughout the investigative process.

What is the process Zero/Six follows for conducting a forensic architecture investigation?

Our process is meticulously crafted, beginning with a comprehensive review of architectural documents, followed by on-site investigations, data collection, and detailed analysis. We collaborate with clients, providing insightful recommendations and expert testimony when needed, ensuring a thorough, results-driven forensic exploration.