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Trusted Security Solutions for Michigan Businesses
TMH Security, founded by a retired Detroit Police Lieutenant, has been Michigan's premier security provider for over three decades. Our company combines 48 years of management expertise with highly trained personnel to deliver customized security solutions across diverse sectors. We specialize in armed and unarmed security, mobile patrols, executive protection, and CCTV monitoring, serving industrial, commercial, residential, and governmental clients. Our commitment to quality assurance includes rigorous officer selection, ongoing training, and client-focused service plans.

With 24/7 rapid response capabilities and a proven track record in Metro Detroit, Flint, and Ypsilanti, we prioritize your safety through proactive risk assessment and emergency preparedness. Our scalable services adapt to evolving threats, ensuring protection for people, property, and reputations across Michigan's most vital industries.
Services
Armed Security Officers Unarmed Security Officers Mobile Patrol Services CCTV Monitoring Executive Protection Investigation Services Patrol Car Services Community Patrols Warehouse Security School Security
Highlights and features
  • Our management team brings 48 years of combined security expertise
  • Customized security programs tailored to client-specific needs
  • Rigorous officer selection and ongoing professional training
  • 24/7 rapid response capabilities with marked/unmarked patrol vehicles
  • Proven track record protecting Michigan's most vital industries
Services
Armed Security Officers
Our armed security officers provide enhanced protection for high-risk environments. Trained in conflict resolution and emergency response, they maintain visible deterrence while ensuring client safety. Officers undergo rigorous background checks and regular firearms proficiency training. Ideal for banks, corporate campuses, and special events requiring enhanced security presence.
Mobile Patrol Services
24/7 mobile patrol services cover commercial and residential areas with marked or unmarked vehicles. Our patrols include real-time incident reporting, perimeter checks, and emergency response. Equipped with LED lighting and all-wheel drive options, our fleet ensures reliable coverage in all weather conditions across Metro Detroit.
Executive Protection
Specialized protection services for executives, diplomats, and entertainment professionals. Our trained personnel provide advance route planning, threat assessment, and discreet security details. Services include secure transportation, event coverage, and risk mitigation strategies tailored to high-profile individuals' unique needs.
CCTV Monitoring
Professional CCTV monitoring combines advanced technology with trained personnel for real-time security oversight. Our systems integrate with alarm response protocols and include remote access capabilities. Ideal for commercial properties requiring continuous surveillance with immediate incident escalation and response coordination.
Community Patrols
Customized patrol programs for residential communities and HOAs. Services include regular vehicle sweeps, suspicious activity monitoring, and crime prevention through visible presence. Our patrols complement reduced local law enforcement resources while maintaining professional security standards for homeowner associations.
People
Tom Heffernan
Founder
Retired Detroit Police Lieutenant with over 30 years of law enforcement experience. Established TMH Security to provide professional security solutions combining police expertise with private sector flexibility. Leads daily operations and strategic planning.
Questions
What security services does TMH Security offer?
We provide armed/unarmed officers, mobile patrols, executive protection, CCTV monitoring, investigation services, and community patrols across Michigan.
Do you serve residential neighborhoods?
Yes, we offer specialized community patrol programs for HOAs and residential areas with customizable coverage options.
Are your officers properly trained?
All officers undergo rigorous selection, drug screening, and ongoing training including emergency response protocols and equipment handling.
What areas do you cover?
We serve Metro Detroit, Flint, Ypsilanti, and surrounding Michigan areas with 24/7 service availability.
Can you handle corporate security needs?
Yes, we protect commercial properties, manufacturing facilities, and corporate campuses with tailored security programs.
Do you offer emergency response?
Our 24/7 rapid response team provides immediate assistance with marked/unmarked vehicles equipped for various security scenarios.
Reviews (5)
Linda P.
Dec 08, 2021 Report
I have been employed with TMH for 3years Lt Lant have been nothing but kind all he asks is do your job
John Smith
Nov 24, 2021 Report
Critical: Professionalism, Quality, Responsiveness, Value very sloppy looking. shirt untucked, overgrown beards, pistol hanging off their belt looking like its gonna fall off.
Kierra Jordan
Nov 20, 2021 Report
I just can't work for a company like this and I feel like I have a right to speak my mind James really know how to talk disrespectful he tells me to go find another job I never heard of a supervisor telling me to go find another job I'm not about to work for some one that can just talk reckless to me when I do have good work ethics I was never trained for the retail stores and I got removed from sites I show my availability and I always get ignored in certain parts or James never answer the phone I rather not even invest my time into the company ever again cause I don't want to deal with James talking reckless to me
Searle Russell
Nov 07, 2020 Report
I don't dislike it. It's just a customer service was slow in the cook's didn't do number take their time and seen and I waited longer than what I should have I thought.
Shawn Gayle
Oct 28, 2020 Report
I was excellent. I truly like every moment of it. I really think TMH security service inc is really wonderful.