相あい手て先さき

noun

the other party; counterpart; person/company you are dealing with

Primarily used in business contexts to refer to the person or organization on the other side of a transaction, negotiation, or communication.

• 契けい約やく書しょを相あい手て先さきに送そう付ふしました。

  We sent the contract to the other party.

• 相あい手て先さきの担たん当とう者しゃと打うち合あわせをします。

  I will have a meeting with the person in charge at the other company.