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Prose International Administrative Scrivener Office

Room 14, Yomiuri-Hirakawacho Building, 2-13-1 Hirakawacho, Chiyoda-ku, Tokyo; four minutes from Exit 4 of Nagatacho Station.

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Overview

Prose supports foreign entrepreneurs with Business Manager Visas, incorporation and business strategy in professional English. Its office is in Hirakawacho, central Tokyo.

The full package includes the visa application, KK or GK formation, an investor-grade business plan, a three-year financial model and post-launch advice. Standalone visa and business-plan services are also available.

A standalone Business Manager Visa engagement starts at JPY 275,000, while the combined setup and visa package starts at JPY 550,000. Government charges such as registration tax, notary fees and revenue stamps are separate.

Provider Details

Summarized from the provider's own published information. Where a field says "Not published", the provider does not state it publicly — ask them directly.

Languages Supported Japanese and English.
Fee Transparency Published
Published Fees Standalone Business Manager Visa from JPY 275,000; full business setup and Business Manager Visa package from JPY 550,000; company incorporation from JPY 88,000; business plan and financial modeling from JPY 220,000. Government fees are separate.
Service Scope Business Manager and other visas; KK/GK incorporation; business plans and financial models; office and bank-account guidance; licenses; market-entry strategy; fundraising documents; and coordination with affiliated specialists for reserved professional work.
Credentials & Track Record Mai Kurokawa is identified as an administrative scrivener and business strategy adviser with an MBA and CMA qualification. The official site cites experience in investor relations and corporate planning at listed and pre-IPO companies.
Certified Support Organization Not found in the SME Agency register of certified support organizations (Tokyo search under both the firm's registered name and the principal's name, checked 5 September 2026). A no-match is not proof of non-registration — a firm's registered legal name can differ from its trading name, and it may be registered in another prefecture. Ask the firm directly whether it can verify a business plan itself.
Remote & Overseas Clients The official Japanese page states that online consultations are available nationwide and overseas, including three-party meetings with overseas headquarters.
Initial Consultation First consultation of up to 60 minutes and the quotation are free.
Office Location Room 14, Yomiuri-Hirakawacho Building, 2-13-1 Hirakawacho, Chiyoda-ku, Tokyo; four minutes from Exit 4 of Nagatacho Station.

Details checked against the provider's own website on 2026-09-05. Rules and fees change — please confirm directly with the provider.

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Contact

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Immigration rules, fees and eligibility change frequently — the Business Manager Visa requirements changed substantially in October 2025. Confirm current details with the provider before relying on anything shown here.

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