contractor
/ˈkɒntræktər/Definitions
1. noun
A person or business that provides construction services, or a person who arranges and oversees the work of others, often under a contract.
“The general contractor was responsible for overseeing the entire renovation project.”
2. verb
To arrange and oversee the work of others, often under a contract.
“The company will contract out the maintenance work to a specialized firm.”