Why is the noun company here followed by the verb in plural? Does this actually mean - one of the companies , and is it how it should always be written ?

: "... to use the services of a web hosting company who charge a fee..."

Thank you.

Why is the noun company here followed by the verb in plural? Does this actually mean - one of the companies, and is it how it should always be written ?

"... to use the services of a web hosting company who charge a fee..."