Doli Siregar & Rekan Valuers & Property Consultants previously under name of Satyatama Graha Tara (SGT) lead by its Senior Partner Ir. Doli D. Siregar, MSc. FRICS, SCV, that established in 1985. Known to be Indonesia's premier property consulting firm with a proven track record of success. The head office is located in Jakarta, with branch offices throughout Indonesia. More than 100 professionals advice clients on all aspects of property ownership, occupation, investment and development. Under SGT Consulting Group, the changing name to follow the new regulation of Indonesian Ministry of Finance No. 125/PMK.01/2008 dated 3 September 2008 for public appraisal.

Doli Siregar & Rekan (DSR) with head office located in Wisma Kodel 9th, Jl. H.R. Rasuna Said, Kuningan, Jakarta Selatan, offering services in almost all aspect of property consultancy and trying to be recognized as offering the best commercial property services, providing the highest levels of technical aspect, profesionalism, integrity, personal care, and attention to detail with international standard. The firm is owned and run by its managing partner, and run on a day to day basis by the management executive consisting of four partners and branch director under the leadership of its Managing Partner, Doli Siregar.