Granco Security

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Professional Armed & Unarmed Security Guard Services In Michigan

Stay safe and sound when Granco Security is watching out for you. We are a full-service, licensed, bonded, and insured firm providing top-notch protective and security guard services out of our headquarters in Detroit, Michigan. You can rely on our team of experience personnel to protect you and your property.

Security Training

Security Services

From offices to clubs, airports to construction sites, our professional officers are able to provide security for a wide variety of clients and locations. We even offer security patrol services by foot, car, and even FAA-licensed manned & unmanned air patrols.

Security Services
Unarmed Security


Looking for a new career! Consider joining the team of dedicated security guards at Granco Security. We maintain a positive company culture and provide certified training to give you the tools you need to provide the highest level of security and service to all of our clients.


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About Us

Experience the Granco Security difference when you hire us for armed and unarmed security guard services in the Detroit, Michigan, area. With years of experience in all types of security and partnering with the Detroit Police Department and Wayne County Sheriff's Office, we are able to protect what matters to you most in a variety of ways. Our friendly guards are equipped with the best training and the newest equipment. Be sure to ask us about our specialty training and certifications that our staff receive.

Plus, every Granco client receives our exclusive worry-free guarantee. Our customers' referrals serve as true accolades, helping us build our business, accentuated by our industry-leading client retention rate of 90%. Contact us if you have any questions about our services.

Mission Statement

The mission of Granco Security Services is to build customer loyalty by consistently providing every client with high quality security, protection, and good customer service rendered by highly dedicated and professionally trained officers.

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Thank you for your interest. We look forward to hearing from you soon.

(734) 780-1880
(313) 948-3188 (Fax)

Sales Office Hours
Monday - Friday, 8 a.m.-8 p.m.

24801 Five Mile Road, #11
Redford Charter Township, MI 48239

Service Area
Southeast Lower MI, Including Oakland County, Macomb County, Wayne County, Berkley, Birmingham, Bloomfield, Canton, Clarkston, Detroit, Dearborn, Eastpointe, Farmington, Ferndale, Grosse Pointe, Hamtramck, Highland Park, Livonia, Macomb, Novi, Northville, Oak Park, Pontiac, Plymouth, Romulus, Royal Oak, Rochester, Redford, Sterling Heights, St Clair Shores, Southfield, Troy, Warren, Waterford, Wayne, Westland, & Ypsilanti

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