Business Profile
Business Profile & History
Hiromi Koshimizu Gastronomie is a private chef and catering business run by chef Hiromi Koshimizu. We prepare meals at your chosen venue for private dining, corporate receptions and weddings. From the initial consultation and menu design to cooking on the day, Hiromi personally handles each stage.
Overview
Business overview
- Trading name
- Hiromi Koshimizu Gastronomie
- Owner
- Hiromi Koshimizu
- Career
- Chef Koshimizu’s career
- Established
- March 2021
- Address
- 2-19-58 Nishi, Kunitachi, Tokyo 186-0005, Japan
- Services
- Executive and private dining; corporate catering and receptions; wedding catering; menu development and culinary supervision; restaurant concept development and launch support.
- Service area
Tokyo, Kanagawa, Saitama, Chiba and Yamanashi
Within Tokyo (excluding the islands), transport and load-in are charged at a flat rate. For venues outside Tokyo, a distance charge based on the road distance from Kunitachi is added. For other areas, please get in touch.
History
History
Key milestones since the business opened. For the chef’s professional background, including his training, please see his profile.
- 2021Hiromi Koshimizu Gastronomie opened
- 2024Development of Jaeger’s food and beverage division Responsible for kitchen design and menu development ahead of opening.
- 2025Restaurant launch in Kawaguchiko Responsible for concept development, kitchen planning, menu development and operational setup.
- 2025Wedding partnership with ICU Service Co., Ltd.
Practical Information
Working with us
Before you book, we set out the scope and cost in a quote you can view online. The following information may help you prepare your enquiry.
- Quote
- We send your quote as an online document you can view on the web.
- Payment
- As a rule, we ask for payment in advance by bank transfer, no later than three days before the event. If you would prefer to pay by invoice (closing at the end of each month, with payment by the end of the following month), we are happy to discuss this from your second order onwards.
- Operating licences
- We hold Japanese licences for restaurant operation, prepared-food production and confectionery production.
- Liability insurance
- We are insured.
- Japan’s invoice system
- Invoicing complies with Japan’s qualified invoice system.
- Confidentiality
- We do not publish details of your enquiry or information about your guests without permission. We can also sign a non-disclosure agreement (NDA).
Tell us about the purpose of your event and your plans. You are welcome to enquire before the date or guest numbers are decided.