警けい備び保ほ障しょう会がい社しゃ

noun

security firm; security company

A company that provides security services, such as guarding buildings, monitoring alarms, or transporting valuables.

• このビルの警けい備びは、あの警けい備び保ほ障しょう会社がいしゃが担たん当とうしている。

  That security firm is in charge of security for this building.