- Name of Firm
- Yamashita Sekkei, Inc.
- Establishment
- May 1st, 1928
- Registered Capital
- 150,000,000yen
- Registrations
- 1st Class Architectural Office (Reg. No. 958) Construction Consultant Office (Reg. A15No.2712) (Urban & Regional Planning)
- Number of employees:
- 464
- Number of registered specialists:
423
- Reg. 1st Class Architect:
285
- Reg. Engineer:
18
- Reg. Structural Architect:
25
- Reg. Mechanical Engineer:
24
- Reg. Quantity Surveyor:
9
- Reg. Interior Planner:
26
- Reg. Redevelopment Planner
8
- Reg. Medical Administration Consultant
6
- Number of registered specialists:
- Affiliates
- Yamashita PMC
- Yamashita Technos
- Inquiry
- 1928 (Showa 3)
- Established, 1st May, Yamashita Toshiro Architectural Office
- 1946(Showa 21)
- Opened Sendai Office (frmr. Tohoku Branch)
- 1948(Showa 23)
- 6th July, changed name to Yamashita Toshiro Design Office Opened Osaka Office (frmr. Kansai Branch)
- 1949(Showa 24)
- Opened Sapporo Office (frmr. Hokkaido Branch)
- 1956(Showa 31)
- Opened Nagoya Office (frmr. Chubu Branch)
- 1969(Showa 44)
- Opened Fukuoka Office (frmr. Kyushu Branch)
- 1974(Showa 49)
- 1st July, changed name to Yamashita Sekkei, Inc.
- 1998(Heisei 10)
- ISO 9001 Certification
- 2000(Heisei 12)
- ISO 14001 Certification
- 2004(Heisei 16)
- Moved Head Office to Nihonbashi (July, 2004)