in–house 
/ˈɪnˌhaʊs/ adjective
usually used before a noun /ˈɪnˌhaʊs/ adjective : created, done, or existing within a company or organization
▪ in-house testing ▪ an in-house investigation/adviser
▪ in-house testing ▪ an in-house investigation/adviser
— in–house adverb
▪ All the testing was done in-house.
▪ All the testing was done in-house.
