Established on March 15, 1979 under the name of Samrong Karnphat Co., Ltd., Sikarin Public Co., Ltd. had an initial registered capital of only Bt 16 million. Its objective was to operate a private hospital. The first hospital building was built in 1980, and started its medical services in 1981. 
 In 1985, the Company was registered as a public company and listed in the Stock Exchange under the name of 
Sikarin Public Company Limited. Presently the hospitals under its operation include:
• Sikarin Hospital: situated at No. 4/29, Moo 10, Srinakarin Road, Bang Na Sub-district, Bang Na District, Bangkok, on 
a plot of land of 11 Rai 81 Square Wah, officially inaugurated on December 16, 1993. Today, it has 3 buildings, 235 beds for inpatients and with capability to handle an average of 2,800 outpatients per day.
• Rattarin Hospital: situated at No. 999/23-29, Sukhumvit Road, Bangpu Mai Sub-district, Muang District, Samut 
Prakan Province on a plot of land of 1 Rai and 46 Square Wah, officially inaugurated on January 1, 1993, with 100 beds for inpatients and with capability to handle an average of 700 outpatients per day.

Social Security Insurance Service
Present the registration of Sikarin’s social security insurance person approximately 130,000 with average of outpatient 700 persons per day. The new building provides convenience to Social Security Insurance person, service time 8 AM - 8PM up to 7 AP - 9 PM