Professional Security Guard Services in Detroit, Michigan

Trusted and Experienced

Serving Michigan for Over 50 Years

Our professionally trained security guards are available 24/7 across Detroit and surrounding areas. Submit a FREE quote request today and discover how we can help protect your people and property.

Detroit Security Guard Services

STT Security is a trusted provider of professional security guard services throughout the Detroit metropolitan area, including surrounding communities like Auburn Hills, Pontiac, Dearborn, Southfield, and Warren.

With more than 50 years of experience, we’ve partnered with Detroit-area businesses, community institutions, healthcare facilities, and manufacturing operations to provide responsive, reliable, and highly personalized security services. Our mission is simple: deliver peace of mind with well-trained security officers and hands-on local supervision.

Not all security companies are the same – STT stands out with a commitment to service excellence and tailored protection. Whether it’s providing access control at your reception or gate, screening people entering your school, or protecting critical infrastructure like power plants, we’re here to ensure your operations run safely and securely. In Detroit, your safety is our top priority.

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Why Choose STT Security in Detroit?



Real-Time, Data-Driven Security Oversight

Our cloud-based reporting platform provides 24/7 access to verified GPS/NFC patrols, photo/video incident reports, and site analytics – all in real time.



Highly Trained, Vetted Security Officers

Every STT security officer completes rigorous training, background checks, drug testing, and ongoing education. We tailor our guards to match your specific industry and site requirements.



Fully Licensed, Insured & Bonded in Michigan

We carry a $5 million liability policy and are fully licensed to operate across Michigan, including Detroit. You can trust our professional standards and compliance.

Delivering Professional, Reliable, and Transparent Security Solutions

Top-Rated Security Guard Company in Detroit

Professional, Reliable, Transparent Security Solutions

PDaily Digital Activity Reports Delivered by Email
PCustom Site Security SOPs
P24/7 Report Access via Cloud Portal
POfficers Selected Based on Your Unique Needs
PStreamlined Service Implementation & Onboarding
PCompetitive, Transparent Quotes
PElectronically Verified Patrol Rounds
PDirect 24/7 Access to Local Management
PRegularly Scheduled Virtual & On-Site Check-ins
PDetailed, Easy-to-Audit Electronic Billing

Call Now: 866-665-2456

Get a Custom Quote for

Security Guard Services in Detroit, MI

When you choose STT Security, you’re not just hiring an officer – you’re gaining a security partner backed by decades of experience, responsive local support, and a reputation for professionalism.

Call Now: 866-665-2456

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Testimonials

What Our Clients Say About Us

Michelle C.
				I contacted STT Security today to help me out with a security issue for my father's estate. Calvin was incredibly helpful and prompt in getting me the information that I needed. He was very professional and I would recommend this company if you need some security assistance.			
Cathy S.
				Responsibility is not a problem, they are reliable, honest men and women the Mt. Pleasant, MI Staff did a knock-out job on the Coleman Mi Concert and the Midland PGA Golf Tournament, these fine women and men always, besides security, ask what else can they do to accommodate their clients.			
Sara J.
				We have worked with STT for a number of years to provide security for a large community festival. We have been impressed with the customer service, which for us has included last minute additions of officers and overnight security. We have been very impressed with the management and administrative staff in particular.			
Erika A.
				Impressive agency that provides everything my business needs. From background checks to over-night / on-site security for all of our buildings, they have always treated our small business with integrity and professionalism. Staff is easy to work with and all of my questions and concerns have been addressed in a timely manner.			
Deborah W.
				STT returned my call within 15 min after I left a message at midnight when it was after hours for them.They provided excellent consult at no charge and stood by as I navigated a challenging situation. They continued to reach out the next day to be sure it was resolved. Very prompt and professional service. I would highly recommend STT!!			
Ashley R.
				STT Security began working for Dover Hills Apartments about 2 weeks ago and thus far, we are very satisfied! We appreciate the wonderful customer service, attention to detail, and the added security you provide to us and our residents. Keep up the great work! Ashley R. | DHA Manager			

Professional Affiliations

Industry-Specific Security Solutions in Detroit

Different industries have unique security needs. STT has extensive experience serving clients similar to those in sectors including:

Healthcare Facilities: Delivering dependable security for hospitals, clinics, and other healthcare environments where patient and staff safety is a top priority.
Educational Institutions: Providing safety measures for schools, colleges, and campus environments to support secure and focused learning spaces.
Manufacturing & Industrial Facilities: Supporting secure operations in manufacturing plants, industrial sites, and production facilities to prevent loss and downtime.
Retail & Shopping Centers: Creating safer shopping experiences by helping deter theft and manage foot traffic in retail stores and commercial centers.
Office Buildings & Professional Services: Securing professional workspaces, including corporate offices, legal firms, and service providers, to protect people and property.
Construction Sites: Keeping construction zones safe with services that protect valuable equipment, materials, and on-site personnel throughout project timelines.

Our guards are trained in industry-specific protocols and understand the nuances of the environments they serve. We work closely with our clients to create customized, high-performing security programs that support their operations from day one.

Shopping Around? Here Are Smart Questions to Ask Any Security Vendor

PWill the company visit your site before proposing a solution?
PDo they offer wage transparency and custom compensation plans?
PCan they provide references from current and past clients?
PIs the vendor licensed and insured in Michigan?
PDo they have local management presence and response capability?
PHave they worked with businesses in your specific industry?
PAre they financially stable and free of legal complications?
PCan they name your business as an additional insured?

STT Security is proud to offer all the essential elements of a top-tier security company to our clients and prospective clients. We’ve built our Detroit-area presence on reliability, transparency, and unmatched service.

Cities Served in the Detroit Area

Ann Arbor
Canton
Dearborn
Dearborn Heights
Detroit

Farmington Hills
Garden City
Hamtramck
Livonia
Madison Heights

Novi
Oak Park
Pontiac
Redford
Rochester Hills

Royal Oak
Shelby Twp
Southfield
St. Clair Shores
Sterling Heights

Taylor
Troy
Warren
Westland
Ypsilanti