About Us

Security you can trust since 1953

Led by the third generation of the Duffy family, Per Mar Security protects families and businesses with leading technology and a dedicated team.

Per Mar provides our customers with reliable security backed by the best customer service in the industry. We offer a full range of services, from home security and business security systems to in-person security guard services and corporate investigations. Keep up on the latest information and blogs from Per Mar Security Services!

  • Top Security Company

    Per Mar consistently receives industry recognition for depth and breadth of products and services, as well as our best-in-class customer service.

  • Community Focused

    Since 2001, we have donated more than $1.6 million through the Per Mar Charity Fund to community organizations within our service areas.

  • Highly Trained Experts

    From technicians to monitoring agents, our team is highly trained in securing homes and businesses just like yours.

  • Giving Back

    Per Mar believes in giving back to the communities we serve by volunteering and giving monetary support to local organizations.

    See How
    Scott Easter giving check to Big Brothers Big Sisters of Des Moines

  • History of Per Mar

    Per Mar was founded by John and Eleanor Duffy in Davenport, Iowa in 1953. We are now the largest family-owned, full-service security company in the Midwest.

    See Timeline
    per mar alarm systems

  • Why Per Mar?

    We answer the question of why Per Mar is an industry leader in security.

    See Why
    business plan

  • Locations

    We are ready to secure your home or business. Find your nearest branch location to learn more!

    See Locations
    our Midwest locations

Need the best in security?

Choose Per Mar Security Services.

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