beluuga.ai
JA
Try the Live Demo →
Overview
Services

RitaX Inc.

RitaX is a structural design firm specializing in civil and architectural engineering, providing structural design services for a wide range of structures including water and sewage facilities, office buildings, condominiums, and multi-unit residential buildings. The company differentiates itself through early adoption of advanced technologies such as dynamic seismic analysis and BIM (Building Information Modeling), serving major general contractors including Kajima, Taisei, and Takenaka. Operating three offices across Japan and China, RitaX leverages scale advantages uncommon among small structural design firms, and has expanded into adjacent businesses including a rebar-specialized EC platform ('REBAR SYSTEM') and Revit BIM education programs.

Market Cap
¥—B
EV
¥—B
Stock¥2,000
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
—
LTM EV/EBIT
—
LTM PER
—
LTM PBR
—
No price data
AI Briefing
Generating insights…
Performance & Balance
Revenue 5Y (¥B)
0.60US$3.83M'24/120.66US$4.18M'25/12
Net Income 5Y (¥B)
0.01US$0.07M'24/120.02US$0.11M'25/12
Shareholders
Top 10 hold 100.0%
as of 2025-12-31 · Source: Annual Securities Report
1
Koji ANDO
69.95%
2
H&K Asset Management Co., Ltd.
30.00%
3
Hands Co.,Ltd.
0.05%
Management
8 officers
Koji ANDO
Representative Director, President
Apr. 1980: Joined Fudo Construction Co., Ltd. (now Fudo Tetra Corporation). Apr. 1989: Founded design firm A&D. Feb. 1990: Established Japan Vector Engineering Co., Ltd. Oct. 1996: Reorganized into Vector Japan Co., Ltd. (now RitaX Co., Ltd., hereinafter 'the Company'); appointed Representative Director (current). Aug. 2007: Established Dalian Xiangliang Technology Development Co., Ltd. (China); appointed Director (current).
1962-01-25
Michio FUKUYO
Senior Managing Director, Head of Design Division
Apr. 2004: Joined Taisei Corporation. Oct. 2009: Joined the Company. Jun. 2017: Director, Head of Design Division. Apr. 2023: Senior Managing Director, Head of Design Division (current).
1978-10-08
Mari SHIMADA
Managing Director
Apr. 2010: Joined the Company. Apr. 2020: Executive Officer, Head of Technology Development Section. Apr. 2022: Director, Head of Technology Development Division. Apr. 2023: Managing Director, Head of Technology Development Division. Jan. 2025: Managing Director, in charge of Administration Department, Administration Group. Mar. 2025: Managing Director, in charge of Administration Department (current).
1987-11-24
Rugang LIU
Director
May 2004: Joined Lixil Tongshitai Building Materials (Dalian) Co., Ltd. (China), a local subsidiary of LIXIL Corporation. Apr. 2006: Joined Shiomi (Dalian) Design Consulting Co., Ltd. (China), a local subsidiary of Shiomi Holdings Co., Ltd. Oct. 2007: Joined Dalian Xiangliang Technology Development Co., Ltd. (China); appointed Head of Design Division (current). Jun. 2017: Director of the Company (current). Sep. 2024: General Manager of Dalian Xiangliang Technology Development Co., Ltd. (current).
1974-02-21
Noboru TSURUYAMA
Director, General Manager of Sales Division
Apr. 1982: Joined Fudo Construction Co., Ltd. (now Fudo Tetra Corporation); assigned to Overseas Business Division. Apr. 2001: Head of Structural Design Section. Oct. 2003: Senior Specialist, Third Sales Division, Architecture Department, Tokyo Head Office. Apr. 2004: Joined Nakanofudo Construction Co., Ltd. Nov. 2005: Joined Mitsubishi Chemical Engineering Corporation (formerly Mitsubishi Chemical Engineering Co., Ltd.); Deputy General Manager, Second Sales Division, Project Headquarters II. Oct. 2006: Deputy General Manager, Architecture & Facility Business Division. Apr. 2016: Deputy General Manager, Sales Division 2, Sales Headquarters. Apr. 2017: Dedicated Technical Specialist, Kansai Branch, Sales Headquarters. Aug. 2022: Joined the Company; Director, Head of Sales Division (current).
1957-08-05
Toshiyuki SAKAMOTO
Director, Audit & Supervisory Committee Member (Full-time)
Apr. 1980: Joined Okaya & Co., Ltd. Mar. 2006: General Manager, Nagoya Mechatronics Division, Mechatronics Headquarters. Sep. 2007: President, MexOkaya-TN (U.S.A.), Inc. Oct. 2007: Concurrently served as President, Mex Okaya-TN S. de R.L. de C.V. May 2015: Deputy General Manager, Tokyo Head Office, Okaya & Co., Ltd. Jun. 2015: Concurrently served as Non-executive Director, Okaya Mart Co., Ltd. Jun. 2015: Concurrently served as Non-executive Audit & Supervisory Board Member, Okaya Trade Service Co., Ltd. Sep. 2017: Representative Director & President, Okaya Seiryu Kogyo Co., Ltd. Mar. 2026: Director, Audit & Supervisory Committee Member (Full-time) of the Company (current).
1958-04-01
Yasuyuki KANDA
Director (Audit & Supervisory Committee Member)
Dec. 2007: Registered as attorney-at-law (Dai-ichi Tokyo Bar Association); Associate Attorney, Kowa Sogo Law Office. Jan. 2012: Partner Attorney, Kowa Sogo Law Office. Jun. 2019: Outside Audit & Supervisory Board Member, Wingore Technology Co., Ltd. (current). May 2021: Partner Attorney, Shiko Law Office (current). Jun. 2023: Outside Director, Audit & Supervisory Committee Member, Abix Co., Ltd. (current). Feb. 2024: Outside Audit & Supervisory Board Member, Airic Corporation (current). Mar. 2024: Director, Audit & Supervisory Committee Member of the Company (current).
1978-06-24
Makoto ICHINOMIYA
Director (Audit & Supervisory Committee Member)
Nov. 2007: Registered as Certified Public Accountant. Dec. 2007: Joined KPMG AZSA LLC. Oct. 2023: Established Makoto Ichinomiya CPA Office; Representative (current). Oct. 2023: Director, KIC Co., Ltd. (current). Mar. 2026: Director, Audit & Supervisory Committee Member of the Company (current).
1984-06-10
Large Shareholding Reports
No filings
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-03-27
発行者情報
FY ending Dec 2025
View PDF →
Ask AI
I have this company's financials, ownership, and management on hand. Ask me anything from an M&A perspective.
End of Preview

Try the full product

Free demo (no time limit, up to 10 companies). Explore Comps, DCF, LBO, WACC on every screen. Excel export is on the paid plan.

Free Demo (No Time Limit, 10 Companies) →