VERTEX offers contracting, owner’s representation, and program management services throughout our global office network. Our contracting solutions include: tenant improvement contracting (commercial interior), reconstruction & restoration, completion contracting, Property Condition Assessments (PCAs), and construction loss control consulting.

VERTEX’s construction solutions span the globe. Our fast paced growth over the past two decades is result of our ever commitment to responsiveness, value, quality, and safety. Over the past year alone, VERTEX has completed projects in the US, Canada, Mexico, South Korea, Bahrain, Kyrgyzstan, Afghanistan, Japan, Germany, and Cuba, just to name a few.

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Key Personnel

Managing Director, Construction Services

Mark Degenaars, LEED GA

Mark Degenaars, LEED GA

Mark Degenaars is the Managing Director of the Construction Services vertical within The Vertex Companies, Inc. He has been with VERTEX for over 5 years with a primary focus as a consultant to the surety claims industry and private public developers. Mr. Degenaars brings over 20 years of project management, facility management, private / public development and construction experience to each assignment. Mr. Degenaars has successfully managed a large variety of projects ranging from various types of vertical construction to heavy highway / civil design projects. Mr. Degenaars has served as an expert and fact witness for a variety of projects. Prior to joining VERTEX, Mr. Degenaars owned and managed his own consulting firm for nearly a decade.


VERTEX Exhibiting at The Florida Bar Construction Law Institute

March 8, 2018

VERTEX’s Kevin Maxwell and Dan Mondo will be attending and exhibiting at the 11th Annual Florida Bar Construction Law Institute in Orlando, Florida on March 9th and 10th. The purpose of the Institute is to gather leading, experienced and establish construction law practitioners, contractors and other industry professionals for a two-day seminar focused on in-depth, leading…

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VERTEX Sponsors 4th Annual Risk Control Event at Coors Field

March 7, 2018

VERTEX is proud to be the drink sponsor at the 4th Annual Risk Control for Architects, Engineers and Environmental Professionals event at Coors Field in Denver, Colorado on April 11th. This year’s topic will be Trends and Strategies for Improved Performance and Profitability. Presentations will be given by legal, insurance and risk control professionals in connection with…

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VERTEX Exhibiting at Joint Civil & DoD CBRN Symposium

March 6, 2018

VERTEX’s Cliff Cooper, Erik Borgesen and Michael Plainte will be attending and exhibiting at the Joint Civil & DoD CBRN Symposium in Alexandria, VA on March 5th and 6th. They will be showcasing our new Air Tracer technology that enables clients to measure an air parcel as it moves through a building. The 6th Annual Joint Civil & DoD…

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Denver Business Journal Awards VERTEX as a Top Engineering Firm

March 2, 2018

Denver Business Journal recently awarded VERTEX as a Top Engineering Firm. Announced on February 16th, VERTEX was ranked in the Top 25. Rankings were based on the number of licensed engineers in Colorado since November of 2017.  Learn more about VERTEX’s work in the mountain west.  

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VERTEX Exhibiting at the Texas Construction Law Conference

March 1, 2018

VERTEX is excited to be attending and exhibiting at the 31st Annual Construction Law Conference at The La Cantera Resort & Spa in San Antonio, Texas. The conference will take place on March 1st and 2nd. Stop by our table and say hello to Alan Barnes, Aaren Benson and Lance VanDemark. Looking forward to seeing you there! For…

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Window Flashing 101 - The Proper Way to Flash a Residential Finned Window

January 30, 2018

The most prevalent of all window types is the residential grade window with a nailing fin. While the most prevalent, many engineers, architects, and general contractors lack an understanding of how to properly flash this type of window. Here are some tips and industry standards to watch for in your next residential finned window flashing installation. Window Flashing Basics…

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Concrete Mix Issues - Where to Start Troubleshooting

January 18, 2018

When concrete mix issues arise onsite, it has the potential to delay or halt construction and can quickly turn an otherwise amicable project team into a finger-pointing, litigious environment. Figuring out how the issues arose or who might be liable is a complex process given all the parties involved in concrete construction from designer to supplier…

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Construction Cumulative Impact Claims

November 15, 2017

What are Cumulative Impact Claims in construction litigation? If numerous impacts including change orders, directives, differing site conditions, RFI’s, work suspensions, and disruptions affect a construction project, the overall effect of these events is usually greater than the sum of the effect of individual events. Construction claims that occur under such circumstances are referred to as…

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What You Need to Know to Mitigate Construction Risk

November 5, 2017

Construction is a multi-step process that can be complicated, lengthy and risky. You hear that all the time. As a construction professional working on a myriad of projects with forensic construction services, owner’s representation, and construction management, you see it all. Whether you are an owner of a complex development or performing a minor facility…

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Surprising Construction Defect on New Builds - Blocked Plumbing

September 25, 2017

The above images show PVC pipe partially filled with concrete and construction debris. This was photographed on-site at a new construction development. VERTEX served as an expert for this construction defect claim, filed by the property owner claiming faulty plumbing/drainage. Investigation of the plumbing revealed major blockage by construction debris, plaster and dried paint. Plumbing…

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