The phrase "to outsource these services" means to hire another company or individuals outside of your own company to perform certain tasks or services. Full definition
Our experience of working for both users and vendors of outsourcing services gives us a unique understanding of the pressures faced by clients on both sides of the table. (burges-salmon.com)
Which is the best HR outsourcing service for your company? (inc.com)
However, we are seeing an increasing number of large law departments in the Canadian market use offshore legal outsourcing services. (slaw.ca)