noun
in-house shipping; in-house parcel delivery
Refers to a company's own delivery service, as opposed to using an external courier. Common in business and logistics contexts.
当店では自社便でお届けします。
We deliver using our own in-house shipping service.
自社便の方が外部委託より早く届く場合がある。
In-house delivery can sometimes be faster than outsourcing.
Compound of 自社 (one's own company) and 便 (service, delivery).