Jukebox and cassette-tape manufacturer Kriengkai Chetchotisak founded "Rose Sound Co., Ltd." in 1976, the precursor to RS Group.

The first band signed to the record label was Intanin, followed by Kiriboon, Fruity, Sixth Sense, Brandy, and Rainbow.

In 2008, the company invested in Yaak Co., Ltd to expand further into the TV media business, targeting the teenage market.

The company invested about 60 Million in an indoor seven-a-side soccer field called "S-One", located on Bangna-Trad Km.4 road.

The company was granted the media rights to the live broadcasts of the 2008 Euro Football Championship.

The company was granted the media rights to the live broadcasts of the 2012–13 La Liga football tournament.

In 2023, RS Group and GMM Grammy, another Thai music label, established a joint venture called Across The Universe.

[2] There are eight recording labels under RS Music, covering Thai pop (string) and Thai country music (luk thung) as well as rock, hip hop, rhythm and blues and easy listening.

It has been topping the Thai rating chart for 20 years and ranked number 1 for the online audience in Asia.[when?]

COOL Celsius 91.5 The station offers International Music and Variety Programmes in both Thai and English.

COOL Celsius 91.5 formerly used a "Killer Content" Strategy with programming such as American Top 40, hosted by Ryan Seacrest (discontinued in late 2014).

The company also established a joint venture with GMM Grammy, another famous Thai music label called Across The Universe.

Currently, RS is a media rights licensee to broadcast the World Cup in 2010 and 2014, the Spanish Football League "La Liga".