From Longman Business Dictionary
leaseholdlease·hold /ˈliːshəʊld-hoʊld/ adjectiveadjLAWPROPERTY leasehold land, buildings etc can be used by someone for as long as is stated in a LEASEDue to internal reorganization, the company has recently vacated one of its leasehold buildings.
—leasehold noun [countableC, uncountableU]The profits also reflect the $2 million gain on the sale of a leasehold.
→ compare freehold