Construction Business Permit Support in Japan

Before you apply

• Construction activities, permit categories and business office locations
• Management and technical personnel, with evidence of experience and qualifications
• Financial standing, social insurance and office arrangements relevant to the application

How we assist

We clarify the application route, organize supporting evidence, prepare application documents and assist with filing and procedural queries within the agreed scope. We confirm the competent authority and whether we can handle your location and procedure before accepting an engagement.

Documents to discuss at the first consultation

Existing permit notices, company records, accounts, construction contracts and invoices, experience and qualification records, and office agreements or plans. We specify the documents needed after reviewing your application.

Please first send an outline. Do not email identity numbers, medical records or other sensitive documents before we advise a suitable delivery method.

From inquiry to application

1. 1. Inquiry and outline
   Tell us the business location, new or existing permit, intended procedure, permit expiry date and desired schedule.
2. 2. Scope and quotation
   We clarify the offices and trades covered, document availability, additional notifications and work required, then explain professional fees, government fees and expenses.
3. 3. Agreement and retainer
   We begin after agreement on the scope and quotation, confirmation of the engagement and receipt of the retainer, normally 50% of fixed professional fees.
4. 4. Detailed review and preparation
   Within the agreed scope, we review the required evidence, company and office documents and prepare the application.
5. 5. Application and corrections
   We handle the agreed filing and correction work. Additional procedures outside the agreement are quoted separately.
6. 6. Result and delivery
   We explain the result and delivery, with the balance normally due upon approval or before delivery under the contract. Future renewals or changes are separate unless included.

You may request application support or a quotation without booking an initial paid consultation. If detailed document review or individual advice is needed, we explain the scope and fee in advance and begin after your agreement.

Fees

Minimum professional fees include tax; government fees and expenses are separate. Our 5% online payment fee applies to Stripe payments. Applicable to new quotations after September 20, 2026 publication; existing quotations and engagements are unchanged. See the detailed fee page for scope and payment terms.

Detailed fees and conditions ／ Inquiry / quotation form

Fees depend on the procedure, number of offices and officers, document availability and required work. Paid consultation or work starts only after you agree to the fees and scope. An inquiry alone creates no payment obligation. Renewal and later changes are separate unless included in the engagement.

Approval and completion by a particular date cannot be guaranteed. Immigration status and permission to operate the business are reviewed separately where relevant.

Related business services

• Real Estate Business License Application Support in Japan
• Secondhand Dealer Permit Support in Japan
• Restaurant Business Permit Support in Japan

Official information

神奈川県：建設業許可申請の手引き・申請書 (Japanese)

This service overview uses Kanagawa official guidance. Documents and procedures are checked for the relevant authority and the date of filing.