How can I find reliable commercial cleaning services for my business?

I run a small retail shop near the boardwalk, and our third cleaning crew this year just quit showing up on weekends. Summer crowds leave sand everywhere, restrooms get rough by noon, and customers notice.

I'm comparing commercial cleaning janitorial services Rehoboth Beach DE options before peak season hits again. I'd love to hear from anyone who found a local crew worth keeping. Tips on vetting schedules and contracts would help.

A friend who owns a warehouse uses commercial cleaning and janitorial services Kenton DE from Star Building Services and says Nelson Stewart built the company on showing up when promised.