(Venture in preparation)
A venture in preparation. Details coming soon.
Coming soon
Sole proprietor / Nakagane Seito
Office 307
The home base of a sole proprietor running multiple ventures.
The portfolio site of Office 307, operated by sole proprietor Nakagane Seito. A gateway to each ongoing venture.
Businesses
Ongoing ventures
Ventures operated by Nakagane Seito as a sole proprietor. See each site for details.
Operator
About the operator
Office 307 is the trade name under which Nakagane Seito operates as a sole proprietor. This site is a gateway to each venture and a place that makes the operator’s location and contact clear.