Famous Managed Service Provider Staffing References. A managed service provider (msp), is a single staffing firm that acts in the manner of a general contractor or “master vendor” to coordinate a client’s temporary labor program. It consists of a team of program managers and.

It consists of a team of program managers and. A managed service provider (msp), is a single staffing firm that acts in the manner of a general contractor or “master vendor” to coordinate a client’s temporary labor program.