Family
Can my spouse start a business in Japan?
Your spouse can own a business, but actively operating/managing it depends on their residence status. A Dependent spouse cannot simply run a full-time business under ordinary dependent permission.
VerifiedPrimary topic verifiedLast checked: 18 Aug 2026
What you need to know
Requirements & exceptions
- Limited side activity may fit outside-activity permission.
- Substantial business management usually requires an appropriate status.
- Ownership, tax registration and immigration work permission are separate.
Documents
- Identity documents
- Civil-status / relationship documents
- Certified translations where required
Likely cost
No single national fee; municipal certificates, translations, medical care or immigration procedures may carry separate costs.
Where to act
Municipal office, Legal Affairs Bureau, Family Court or Immigration Services Bureau depending on the family procedure.