RS was established in 1976 under the name of "Rose Sound" to start with jukebox production and cassette-tape recording business. It subsequently changed to music production under the name of "RS Sound Limited" in 1982. For over 40 years, from music business to comprehensive entertainment production and later acquiring various media channels e.g. printing, radio and television channels, the Company also diversify into various marketing production, music, drama series, movie and other contents supplied to large national media companies. In 2003, RS was listed on the Stock Exchange of Thailand and was renamed to "RS Public Company Limited” up to the present and that is a beginning of fully integrated media company.
In March 2019. RS stock was reclassified the sector from “Media & Publishing” to “Commerce” to be in line with expanding into the new business called Multi-platform Commerce which owns both product brands and distribution channels. This business is operated by Lifestar Company Limited (“lifestar”), which is 99% owned by RS.