5★★★★★ - "I have had several cleaning services and this one stands out by far. Kevin is very responsive, professional, and nice to work with. Also his team does a phenomenal job of cleaning. I would highly recommend them!"

Jaya Paul, Commercial Cleaning

5★★★★★ - "We just started with System4 and could not be happier! Kevin and Kia have been amazing to work with! The entire experience has been beyond any other cleaning company we have ever encountered."

Pamela Lego, Janitorial Services in Detroit, MI

5★★★★★ - "Highly recommend Kevin and his entire staff!"

Kristin Vosteen, Commercial Cleaning in Detroit, MI

5★★★★★ - "We had MicroShield 360 applied to our building, and the entire process has been seamless! System4 was prompt, professional and easy to work with. Our customers are very happy with the extra level of protection the product provides. We are extremely satisfied with the experience and would highly recommend!"

Carol Sutherland, Disinfection Services in Troy, MI

5★★★★★ - "Incredible surface, no stone left unturned. The Parish could safely open it's doors knowing that we took cleaning to the next level with Microshield365."

Paul Pyrkosz, Disinfection Services

5★★★★★ - "Excellent service! So glad I no longer have to worry about a clean office space! The MicroShield 360 is excellent in these times when we're trying to keep everyone safe."

Rebecca Winder, Office Cleaning in Detroit, MI