valued customer; profitable customer
Business term for a customer who brings significant profit or value to a company. Often used in sales and marketing contexts.
この店の常連はみんな為筋だ。
All the regulars at this shop are valued customers.
営業部は為筋を大切にし
The sales department cherishes its profitable customers.
Standard kanji spelling for this business term.
Kana-kanji mixed spelling sometimes seen in business contexts.
Compound of 為 (tame, 'benefit' or 'sake') and 筋 (suji, 'line' or 'connection'), literally meaning a connection that brings benefit. The exact historical derivation is uncertain, but it is used in modern business Japanese.