Kolaboro / Off-plan developers ranked by transparency, by place / Developers in Japan ranked by transparency
Developers in Japan ranked by transparency
Each developer gets the median transparency score (0 to 100) of its projects in Japan that we track. The score counts what is published and checkable; it does not rate build quality.
Developers in Japan ranked by transparency
| Rank | Developer | Projects | Median score | Best project | Permit number published | Handover date published | Handover date passed |
|---|---|---|---|---|---|---|---|
| 1 | Ryowha | 1 | 45 | Ryowha Hirafu luxury resort and villas (unnamed) 45 | 0 | 1 | 0 |
| 2 | The SHC Group | 1 | 40 | MIRU Residences Hakuba (Happo-One Nakiyama) 40 | 0 | 1 | 0 |
| 3 | Tokyu Land Corporation and Meitetsu Urban Development | 1 | 33 | BRANZ Hoshigaoka Terrace 33 | 0 | 1 | 0 |
| 4 | Tokyu Land Corporation | 4 | 31 | BRANZ City Funabashi Biare 31 | 0 | 4 | 0 |
| 5 | Pacific Century Premium Developments | 1 | 25 | ONE HANAZONO VILLAS 25 | 0 | 0 | 0 |
| 6 | Mitsubishi Jisho Residence | 2 | 20 | The Parkhouse Musashi-Kosugi Towers 20 | 0 | 2 | 0 |
| 6 | Mitsui Fudosan Residential | 1 | 20 | Park Homes Funabashi 20 | 0 | 1 | 0 |
| 6 | Mitsui Fudosan Residential and Keihan Electric Railway Real Estate | 1 | 20 | Park Tower Osaka Tenmabashi 20 | 0 | 1 | 0 |
A developer with one project here gets that project’s score. Ties share a rank.
Data of 13 Nov 2026 from our open files: named.json · bali-cases.json · on-time.json · How the transparency score works
How this page is built
Built from our open data files, computed when the data changes, nothing estimated. A page exists only where at least 5 projects have the data it lists.
How to cite
Kolaboro, "Developers in Japan ranked by transparency", https://kolaboro.com/rankings/developers/japan/, data of 13 Nov 2026.
Questions
Which developer in Japan publishes the most about its projects?
Ryowha, with a median transparency score of 45 out of 100 over 1 projects (data of 13 Nov 2026).
How many developers in Japan does Kolaboro track?
8 developers with 12 off-plan projects (data of 13 Nov 2026).
Are you the developer? Send us documents for anything we missed and we add them after review.