also: サードベンダ
noun
third-party vendor
Wasei-eigo term used in business contexts to refer to an external supplier or vendor, distinct from first-party or second-party relationships.
wasei-eigo (Japanese-coined English), from third vendor
当社はサードベンダーから部品を調達している。
Our company procures parts from a third-party vendor.
サードベンダーの選定には慎重を期す必要がある。
Careful selection of third-party vendors is necessary.
サードパーティー is a more general term for any third party, while サードベンダー specifically refers to a vendor or supplier.
Wasei-eigo formed from English 'third' and 'vendor'.