It is sponsored by Toyota Motor Thailand and therefore officially known as the Hilux Revo Thai League.

Eighteen clubs who earlier competed for the Kor Royal Cup were registered to play in the first edition of a double round-robin league system.

At the end of each season, the three bottom placed clubs are relegated to the Thai Division 1 League.

In 2009 season, there were significant changes in the lead to the new era of the Thai Premier League.

Asian Football Confederation declared the regulations for the associations that have the intention to send the clubs to compete in the AFC Champions League starting from 2011.

Clubs were forced to separate themselves from the parent organisations and registered as the independent football authorities.

Two times league champion Krung Thai Bank failed to complete the new regulations.

On 30 May 2009, Chonburi that was regarded as the best club in Thailand at that moment hosted the new powerhouse who were just promoted from Division 1 Muangthong United.

Chonburi made the lead by 2–0 in the first thirty minutes but Muangthong bounced back to win by the 5–2 result at the end.

Re-branding initiatives seek to foster an international identity for the Thai and elevate the league globally through commitment to world-class level management and marketing which incorporates multifaceted promotion through various media to draw attention to league competition and cups.

[16] On Tuesday, June 27, 2023, Kornwee Phrissanantakul, Acting Chief Executive Officer of Thai League Company Limited and Patis Supapong, Secretary General of the Football Association of Thailand in the Royal Patronage has called a meeting of representatives of 16 Thai League member clubs to find a solution and offer suggestions after the auction to buy Thai League licenses is not as expected.

Chonburi, Police Tero and Trat were relegated at the end of the 2023–24 season after finishing in the bottom three places of the table.

During the course of a season, which lasts from August to May, each club plays the others twice, once at their home stadium and once at that of their opponents, for a total of 30 games.

If there is a tie for the championship, for relegation, or for qualification to other competitions, a play-off match at a neutral venue decides rank.

The list below details who the sponsors have been and what they called the competition: The 2021–2028 season uses the Molten match balls.