Simpson Unlimited

    OverviewSuggest Edit

    Simpson Unlimited is a provider of construction and engineering services. It offers roofing, cleaning, leak repair, roof replacement, preventative maintenance, commercial building exterior and masonry restoration, total exterior waterproofing, masonry, specialty coatings, project management, caulking services, and more.
    HQManassas, VA, US

    Latest Updates

    Employees (est.) (May 2022)25
    Cybersecurity ratingAMore
    Discover new suppliers and conduct deeper comparison analysis with Craft for EnterpriseLearn more
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    Key People/Management at Simpson Unlimited

    Matt Stromberg

    Matt Stromberg

    Dan Saportas

    Dan Saportas

    Executive Vice President
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    Simpson Unlimited Office Locations

    Simpson Unlimited has an office in Manassas
    Manassas, VA, US (HQ)
    Historic District, 11121 Industrial Rd
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    Simpson Unlimited Financials and Metrics

    Summary Metrics

    Founding Date


    Simpson Unlimited Cybersecurity Score

    Cybersecurity ratingPremium dataset



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    Simpson Unlimited Online and Social Media Presence

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    Simpson Unlimited Blogs

    Modified Bitumen Commercial Roofing Systems: Benefits, Repair, & More!

      What is Modified Bitumen Roofing? Modified bitumen roofing has been a reliable and popular type of commercial roofing in Virginia (and elsewhere) for decades. But what exactly is it?  We like to think of modified bitumen as the next evolution of asphaltic roofing. Like other redunda…

    BUR Roofs: Cost, Advantages, Repair, and More!

    Built-up roofing, known more commonly as BUR, is widely considered the “original” roofing system. Having been around for over 100 years, it has been a reliable flat roof staple of the industry for as long as modern commercial roofing has been done! 

    Commercial Roof Repairs 101: How to Save Time and Money!

    Owning and managing a commercial roof is a lot like owning a car; while the initial purchase is the biggest expense, getting the most out of it requires routine maintenance, proactive care, and, inevitably, repairs.

    Everything You Need to Know About Commercial Roof Restorations in 2021

    Good news, building owners and managers: your roof may have more life in it yet! By conducting major repairs or applying a tried-and-true liquid applied roofing system “coating” to your existing roofing system, you can prolong the life of your roof by 10, 15, or even 20 years before need…

    Commercial Roofing vs Residential Roofing: What's the Difference in Virginia?

    A roof is just a roof, right? Something to cover your head and keep the tenants, assets, or whatever else is inside safe and dry? How different can a commercial roof be from a residential roof, other than the types of structures they’re built on?

    What is EPDM Roofing and How Much Does It Cost?

    EPDM roofing, or more formally “Ethylene Propylene Diene Monomer” roofing, is a type of single-ply roofing membrane that has remained a popular, time-tested staple of the commercial roofing industry since the 1960’s. EPDM is readily available and relatively straightforward to install, me…
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    Simpson Unlimited Frequently Asked Questions

    • When was Simpson Unlimited founded?

      Simpson Unlimited was founded in 1992.

    • Who are Simpson Unlimited key executives?

      Simpson Unlimited's key executives are Matt Stromberg and Dan Saportas.

    • How many employees does Simpson Unlimited have?

      Simpson Unlimited has 25 employees.

    • Who are Simpson Unlimited competitors?

      Competitors of Simpson Unlimited include Desfor, Cengiz Insaat and VIAC.

    • Where is Simpson Unlimited headquarters?

      Simpson Unlimited headquarters is located at Historic District, 11121 Industrial Rd, Manassas.

    • Where are Simpson Unlimited offices?

      Simpson Unlimited has an office in Manassas.

    • How many offices does Simpson Unlimited have?

      Simpson Unlimited has 1 office.