About

We have been have been proudly serving the cleaning needs of San Diego County businesses for 35 years. We care for our employees like we care for our customers which is why we have an average employee retention rate of 90% and an average customer tenure of 11 years.

Tim Hall, CEO, started Thorough Maintenance in 1983. Tim focuses on good employee training and customer communication because he know's Thorough Maintenance is successful due to the consistent clean and ease of communication you get.