Company’s Outline

ARNEST ONE CORPORATION

May 1981

4.269 billion Yen (as of March 31, 2026)

Chairman & Representative Director：Yoichi Nishikawa
President & Representative Director：Shigeyuki Matsubayashi
Senior Managing Director：Tadayasu Ogawa
Director：Hiroshi Yamaguchi
Director：Keita Okada
Corporate Auditor：Noriaki Hamanaka
Auditor：Seiji Mizunaga

1,636 (as of March 31, 2026)

3-2-22, Kitahara-cho, Nishi Tokyo City, Tokyo

Reception

TEL：042-461-6288
FAX：042-461-6271

Condominium Division

TEL：042-461-6230
FAX：042-452-0393

Housing Division

TEL：042-461-6239
FAX：042-451-8433

Business Administration Division

TEL：042-461-6465
FAX：042-461-6303

Production Control Division

TEL：042-461-6292
FAX：042-461-6271

Quality Control Division

TEL：042-461-6292
FAX：042-463-5661

Production Management Division

TEL：042-461-6292
FAX：042-461-6271

International Division

TEL：042-461-6292
FAX：042-461-6271

Administration Division

TEL：042-461-6400
FAX：042-466-5230

General Affairs Division

TEL：042-461-6444
FAX：042-461-6370

Condominium and Single House Design/Building Business, Construction Supervision and Management, Civil Engineering/Works, Real Estate Sales/Brokerage

Construction／
Minister of Land, Infrastructure, Transport and Tourism License (Special-5) No. 23042

Real Estate Brokerage／
Minister of Land, Infrastructure and Transportation (6) No. 6157

Professional Regulation License : Professional Design Firm・Class I／
Tokyo Governor Registration No. 44266
Fukuoka Prefecture Governor Registration No. 1-60147
Aichi Prefecture. Governor Registration (い－7) No. 12216
Osaka, Governor Registration (ハ) No. 23603
Miyagi, Governor Registration No. 24910090

Member of Tokyo Real Estate Association
Member of Japan Association of Home Suppliers
Member of Metropolitan Area Real Estate Fair Trade Council
Member of Mitaka Branch, Tokyo Labour Standards Associations Federation

Mizuho Bank Ikebukuro-Nishiguchi Branch
Bank of Tokyo-Mitsubishi UFJ, Shinjuku-Chuo Branch
Sumitomo Mitsui Banking Corporation, Shinjuku-Nishiguchi Corporate Business Office
Bank of Yokohama,Yokohama Ekimae Branch
Resona Bank, Shintoshin Branch
Shoko Chukin Bank, Fukutoshin Branch