本ほん社しゃ

〈場ば所しょ〉に本ほん社しゃを置おくto locate the head office in 〈place〉
この会かい社しゃは東とう京きょうに本ほん社しゃを置おいている。
This company has its headquarters in Tokyo.
本ほん社しゃに問とい合あわせるto inquire with the head office
詳くわしいことは本ほん社しゃに問とい合あわせてください。
Please contact the head office for more details.
本ほん社しゃから派は遣けんされるto be dispatched from the head office
彼かれは本ほん社しゃから派は遣けんされた社しゃ員いんだ。
He is an employee sent from the head office.
本ほん社しゃ勤きん務むになるto be assigned to work at the head office
来らい年ねんから本ほん社しゃ勤きん務むになる予よ定ていです。
I'm scheduled to work at the head office starting next year.

Kanji

本ほん店てんN1sense 1
本社 is typically used for the headquarters of a corporation, whereas 本店 is used for the main store or head office of a shop or smaller business.
本ほん部ぶN2
本社 refers specifically to a company's main office, whereas 本部 is a broader term used for the headquarters of companies, government bodies, or other organizations.
本ほん舗ぽ
本社 specifically means the head office of a company in a corporate sense, whereas 本舗 is used more for shops, especially traditional or specialty ones.
社しゃ屋おく
本社 refers to a company's head office as an organization or location, whereas 社屋 focuses on the physical building itself.

支し社しゃN1sense 1
本社 is the head office of a company, while 支社 is a branch office subordinate to it.
子こ会がい社しゃ sense 1
本社 can mean the parent company, while 子会社 is a subsidiary controlled by it.
営えい業ぎょう所しょ
本社 is a company's head office, while 営業所 is a local branch office under its authority.

本ほん省しょう
本社 is the head office of a private company, whereas 本省 is the head office of a government ministry, so the two are used in different institutional contexts despite the similar structure.

本社Usage100%
- ほんしゃ
  Standard kanji spelling; high-frequency in news and business contexts.
- ほんじゃ
  out-dated reading
ほんじゃ
out-dated reading

Compound of 本 (main, this) and 社 (company, shrine). The reading ほんじゃ is obsolete.