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Daniel Ulvinen

Daniel-UlvinenContact Daniel for:

  • Invitations to bid
  • Requests for proposals
  • Requests for information
  • Technical advice and consulting
  • General company inquiries
  • Comments and concerns on ongoing projects


As President Daniel Ulvinen oversees the business operations of Simpson Unlimited.  Daniel has 15 years of experience in the construction industry from administrative positions to executive supervisor. In addition to his executive duties, Daniel is a lead estimating resource for Simpson’s most intricate roof replacement projects. Daniel also assists with the estimating and execution of new roof installations, exterior building restoration, and commercial service.

As a proven leader in the commercial roofing industry, Daniel carries strong technical knowledge in virtually all types and applications of commercial exterior restoration work, making him a key resource for building owners and managers in finding solutions to unique building challenges.

Mr. Ulvinen came to Simpson Unlimited, Inc. in 2008, and became the President of Simpson Unlimited in 2013. His technical abilities have been demonstrated by bringing Simpson Unlimited 21st Century technology to the roofing industry, including investment and development in estimating technology, detailed project management, and customer relationship management systems and processes.

The following highlights projects completed under Daniel’s direction:

  • Loudoun County Middle School Roofing Installation
  • Lidl Grocery Store Projects in Washington, D.C., Virginia, and Maryland
  • Lake Taylor High School Roof Replacement, Norfolk County, Virginia
  • Fairfax Centre Shopping Center Roof Replacement, Fairfax, Virginia
  • Candler Building Roof Replacement
  • Warren County, Virginia Community Center and Youth Center Roof Replacement
  • Mayflower Hotel Plaza Roof Replacement
  • District Center Roof Replacement, Washington, D.C.
  • Sterling Middle School, Sterling Virginia
  • Data Centers in Loudoun County, Virginia
  • YMCA Metal Roof Replacement in Farmville, Virginia
  • Inova Mount Vernon Hospital – Roofing and Facade Restoration
  • Westfield’s Conference Center Marriott – Chantilly, Virginia
  • Quantico Marine Corps. Base, Quantico, Virginia
  • Bowie State University Lab Roof Replacement, Bowie, Maryland
  • Park View High School Roof Replacement, Loudoun County, Virginia
  • Smithsonian National Zoological Park Lion & Tiget Exhibit, Washington, D.C.
  • George Mason University Biomedical Research Lab, Manassas, Virginia
  • Buildings 18T & 32  of the National Institute of Health, Bethesda Maryland
  • Featherstone Shopping Cente, Woodbridge, Virginia
  • Loudoun Valley High School, Loudoun County, Virginia
  • 1530 Wilson Boulevard – Arlington, Virginia

Simpson is developing strong and resilient business relationships through technical estimating, practical project management, and scalable service solutions for today’s owners and commercial property managers. We are replacement and maintenance contractors for the entire building envelope who are uniquely capable of providing turnkey commercial building restoration.

From roof repairs and replacements of virtually every manufacturer and type, to cleaning, re-pointing, and replacement of commercial building exteriors, we provide quality of craft and excellent customer service.

We seek continued growth through the development and education of our staff and investment in cutting edge materials, equipment, techniques, and technological advances to turn out consistent high quality roofing and restoration product.

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