PROPERTY Twentyone was founded by Mr. Roy Sindhunirmala in 1996 to develop and manage quality commercial and residential properties from its base in Surabaya. PROPERTY Twentyone consists of eight subsidiary companies: PT. Regency Utama Indonesia, PT. Bali Regency 21, PT. Bali Bay View, PT. Homeland Indonesia, PT. Province Center Indonesia, PT. Papan Utama Indonesia, PT. Surabaya Greatland and PT. Properti Pembangunan Indonesia.

PROPERTY Twentyone is dedicated to finding and developing strategic locations, with guaranteed construction quality, competitive prices and a clear authorization of ownership. Its reputation is based on honesty, integrity and impartiality and on giving professional and exemplary services. As a company, it prides itself on maintaining a professional business with ethics and standards focused on customer needs.

Commercial projects developed by PROPERTY Twentyone in Surabaya include: Ruko 21 Klampis; Ruko 21 Dharmahusada; Wisma PROPERTY 21; Ruko 21 Gubeng I & II; Ruko 21 Panglima Sudirman; Ruko 21 Bubutan 21; Ruko Jemursari and Landmark Kayon.

Combined commercial and residential projects include Ruko 21 and Residence Mulyosari, Koala Regency, Landmark Delta and Ruko & Residence Bavarian Village in Surabaya. The Rumah 21 Gayungsari and Regency 21 were also developed as residential ventures.