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Sincere Corporation
sincerehq.comSincere Corporation was listed on the The Gentlemen leak site on Jan 20, 2026. Information as of Oct 19, 2026.
Country: JapanIndustry: Unknown
Updated continuously · figures as of Oct 19, 2026- Claimed by
- The Gentlemen
- First listed
- Jan 20, 2026
- Claims recorded
- 1
Leak-Site Claim.
The GentlemenConfirmed claim
- Posted on the leak site
- Jan 20, 2026
- Collected by Brandefense
- Apr 3, 2026
- Data claimed
- Not stated
Sincerehq.com SINCERE Corporation is a Japanese environmental services company operating under the philosophy of "Symbiosis with Nature," offering "one-stop" solutions in waste management and building maintenance across four main segments: Resource Cycling, Recycling Business, Environmental Improvement and Building Maintenance, and Environmental Consulting. Established in 1969, the company contributes to Japan's circular economy with nationwide operations, including major facilities in Shinagawa and Yokohama.
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Other Victims Of The Same Group.
| Victim | Claimed by | Country | Industry | Data claimed | Posted |
|---|---|---|---|---|---|
| AirQ airq-ad.com | The Gentlemen | AEUnited Arab Emirates | Transportation and Logistics | Not stated | |
| First Dental Health firstdentalhealth.com | The Gentlemen | USUnited States | Healthcare | Not stated | |
| Gio Dental Med Spa giodentalspa.com | The Gentlemen | MXMexico | Healthcare | Not stated | |
| Wellington College International School Bangkok wellingtoncollege.ac.th | The Gentlemen | THThailand | Education and Research | Not stated | |
| Ecuadors National Police policia.gob.ec | The Gentlemen | ECEcuador | Government and Public Sector | Not stated | |
| Santa Barbara Endodontics sbendo.com | The Gentlemen | USUnited States | Healthcare | Not stated |
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