Sharp eyes.
Moving wings.
Working Shimaenaga.
Centered on real estate investment consulting and EC/marketing, we run a diverse portfolio of businesses with a small team and our AI staff.
Consulting Services
We offer two flagship consulting services.
Our chief consultant — with nearly 30 years of personal investment experience — supports you from property sourcing to financing and ongoing operations, always on the investor's side.
Learn more →EC site launch and optimization, plus full-stack digital marketing support.
Learn more →Our Businesses
Beyond our two consulting services, Shimaenaga Co., Ltd. operates a range of businesses in-house.
Flagship Consulting
Other In-House Businesses
We operate income properties acquired in-house. With a long-term hold mindset, we focus on building properties that work both for residents and as investments.
- Skip-floor apartment 'EDIFICE' (Ichikawa, Chiba) ↗
- Skip-floor apartment 'FRANC' (Fuchu, Tokyo)
- Loft apartment 'GRAFF' (Yokohama, Kanagawa)
- Studio-type residence (Chuo-ku, Tokyo)
- Tower residence (Chuo-ku, Tokyo)
- Tower residence (Koto-ku, Tokyo)
- Resort residence (Atami, Shizuoka)
We acquire, renovate, and revitalize existing properties — bringing fresh value and living quality to real estate.
Mainly in Atami, we plan and operate detached-house-style lodging. Designed for long stays and workations, our spaces deliver a 'live-in' guest experience.
Hourly rental spaces in Atami and Yokohama, used for meetings, photo shoots, workshops, and more.
Under the concept of 'learning while playing,' we plan, manufacture, and sell educational trading cards for children.
We build casual mobile games featuring the Shimaenaga (long-tailed tit). Our first title, 'Shimaenaga Island,' is currently in development.
- 'Shimaenaga Island' (in development)
We operate an insurance brokerage handling a range of products related to real estate investment and business operations.
Corporate Information
- Company name
- Shimaenaga Co., Ltd.
- Representative Director
- FAN Jingjing
- Head office
- 〒160-1302
Shinjuku i-Land Tower 2F, 6-5-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo - Branch offices
- 〒413-0022 3-18 Showa-cho 2F, Atami, Shizuoka
〒135-0063 2-1-2 Ariake 22F, Koto-ku, Tokyo - Established
- January 2026
- Headcount
- 7 (including AI staff)
- Business activities
- Real estate investment consulting, EC/marketing consulting, real estate leasing, property renovation, lodging operations, mobile-app and game development, trading-card production and sales, insurance brokerage.