How to say "in-house" in Japanese

• 場内じょうないCommon
  nounCovers 'in-house' only in the physical sense of 'on the premises': the inside of a venue or facility, such as a stadium, station, or hall. For company-internal matters this is seldom the word you want.
  会議場かいぎじょう内ないで自社じしゃの製品せいひんの展示場てんじじょうを設もうけたいとお考かんがえでしたら、早急さっきゅうにご連絡れんらく下ください。↗

  Please let me know immediately if you would like to set up an area of the conference room for your products.
• 社内しゃないCommon
  no-adjectiveThe word you want for the corporate sense of 'in-house': anything that exists or takes place within a company, such as internal communication, rules, meetings, or training, rather than matters involving outside parties.
  社内しゃないで煙草たばこを吸すうのは社しゃの規則きそくに反はんする。↗

  Smoking in the office is against our rules.
• 自社じしゃCommon
  prenominal modifierCovers 'in-house' when you mean one's own company as an entity: its own products, services, or development. It stresses belonging to the company itself, often in contrast with outside providers.

Use 社内 for the corporate sense, matters within a company; 自社 means one's own company, its own products or development; 場内 refers to the grounds or premises of a venue or facility, not company matters.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 場内じょうないin-house
• 社内しゃないwithin a company
• インハウスin-house
• 自社じしゃin-house