About Us

About Us

Private security and Investigation Company serving Milwaukee, Madison, Kenosha, Racine, Green Bay, and all of Wisconsin.

At RWSI we strive to provide security and investigation services that exceed our client’s expectations and needs with our officer’s professional attitudes and training while providing a competitive price range for our clients all across Wisconsin.

Positive Relationships. Positive Results.

We provide security guards and private investigators to governments, commercial organizations, dignitaries, executives, and private individuals. RWSI was put together because of the growing need for quality and specialized security services and investigation services for coping with diverse threats at home and abroad in our world today. We provide focused security solutions tailored to specific client requirements, whether operating in challenging environments or implementing security functions for business enterprises of the 21st Century. Our specialists and investigators continue to build knowledge with education and training, which allows us to stay ahead of our competition.

Cost-Effective Security & Private Investigation

Our clients will always feel safe and confident that our private security and investigators have their best interest and safety in mind. We excel at handling any situation quietly and discreetly. At RWSI we strive to provide nothing but professional services to our clients. RWSI is dedicated to providing our clients with the highest quality of service in the industry.

For questions or comments please call us or DROP US A LINE

Professionalism, Quality, Responsiveness, Value

We have worked with Reyes Security for over seven years. They are an amazing firm responding quickly to our needs and providing professional, well-trained staff. We highly recommend their services and consider them the best resource in the field.


John S.

Amazing Service!

A great company of Security and Investigators !! Ethics, Professionalism and Dedication, are great values ​​that make it transcend the rest that is there...

My highest recommendations, and congratulations to the entire Team, particularly the Operations Team !!


Corey L.

Very Professionals!

Great company for security guards in Milwaukee. This company patrols the shopping center I work in and has been excellent at deterring crime. Has completely stopped vehicle breaking.

David R.

Don't leave your security and investigation to chance. Partner with RWSI and experience the difference firsthand. Contact us today to discuss your requirements and learn how we can help safeguard your interests with precision and integrity.

Security Services in Wisconsin

We are a premium security service provider in Wisconsin that deals with private security and investigation needs. 

Milwaukee Security Services

Milwaukee, a city in Wisconsin, USA, sits on the western shore of Lake Michigan. It’s renowned for its packaging industry, and RWSI Services covers security needs throughout the Milwaukee district.

Madison Security Services

Madison is home to the University of Wisconsin, the State Capitol, the Henry Vilas Zoo, breathtaking lakes, parks, and many more. RWSI provides Security & Private Investigations services in the city of Madison area.

Racine Security Services

On the shore of Lake Michigan, Racine has become known for its Danish baked goods, especially kringle. Reyes World Security provides top-notch security services throughout Racine County.

Kenosha Security Services

Kenosha is on the southwestern shore of Lake Michigan. It is the fourth-largest city in Wisconsin and the fourth-largest city on Lake Michigan. RSWI offers private security guard services in Kenosha County.


Green Bay Security Services

Green Bay is the third-largest city in Wisconsin and home to the NFL’s Green Bay Packers. Reyes World Security & Investigations provides bodyguards, private investigations, and business security services. Contact Us Now!

Appleton Security Services

Appleton, a city in Northeast Wisconsin, lies north of Lake Winnebago and overlooks the Fox River. It was the site of the world’s first Edison hydroelectric plant. Reyes World Security and Investigations provides bodyguards and other security-related services in Appleton, Wisconsin.


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