Northrop Grumman
“Before Hassan, we were changing janitorial services every year. They go through great lengths to keep us extremely satisfied.“
-Byron Tada
City of San Jose
“Hassan Complete Janitorial has the best responsive teams available in the cleaning field
. They have bailed me out more than once and have been a great support to us for over 10 years.“
-Kenneth Rensfield
Dataquest
“Every level of Hassan’s organization I deal with are highly motivated, proactive and responsible people. From the cleaners, supervisors, account reps and floor crews, they all have a great attitude! I could not recommend a better maintenance company.“
-Eddie Martinez