Granco Security

Phone Icon (734) 780-1880


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

(734) 780-1880

(313) 948-3188


Open 24 Hours

Sales Office Hours
Monday - Friday 9 a.m. to 4 p.m.


24801 Five Mile Rd.

Suite 12

Redford, MI 48239

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Service Area
Southeast Lower MI, Including Oakland County, Macomb County, Wayne County, Allen Park, Berkley, Belleville, Belle Isle, Birmingham, Bloomfield, Brownstown, Canton, Centerline, Clinton Township, Clarkston, Clawson, Detroit, Dearborn, Dearborn Heights, Eastpointe, Ecorse, Farmington, Farmington Hills, Ferndale, Fraser, Garden City, Grosse Pointe, Hamtramck, Harper Woods, Harrison Township, Highland Park, Huntington Woods, Huron Township, Inkster, Lapeer, Lathrup Village, Livonia, Lincoln Park, Macomb, Melvindale, Mt. Clemens, Novi, Northville, Oak Park, Oxford, Pontiac, Pleasant Ridge, Plymouth, Romulus, Royal Oak, Rochester, Rochester Hills, Redford, River Rouge, Roseville, Riverview, Sterling Heights, St Clair Shores, Southfield, Southgate, Taylor, Troy, Trenton, Utica, Van Buren Township, Warren, Waterford, Wayne, Westland, Woodhaven & Wyandotte


Request for proposal (RFP)

This is the first step in the procurement of security services. Please use this Request For Proposal form if you would like us to submit a bid for your security contract job. One of our sales associates will contact you promptly. To better serve you, please fill out the entire form accurately. Thank you in advance for choosing Granco Security. We certainly appreciate your business and look forward to serving you.

If you have any questions for us, great! We love hearing from future customers. If your request is urgent, please call us at (734) 780-1880.

Notice: Effective September 1, 2023: All new clients must agree to pay a 30-day, up-front, non-refundable deposit. Your organization must have an active D-U-N-S business credit profile. We are unable to offer financing or credit terms. Sorry, net 30/60/90 terms are not available at this time.