The All Sectors Netball League is the top level netball league featuring teams from Trinidad and Tobago. It was formed in 1990 and is affiliated with the Trinidad and Tobago Netball Association. The league is effectively a business houses league and features teams representing public and private companies, government services and departments and universities. Due to sponsorship and naming rights arrangements, the league is widely known as the Courts All Sectors Netball League. As of 2026, the league features four divisions, including a Premiership and a men's netball division. Teams in the league also compete in numerous knockout competitions throughout the season, including a series of Fast5 knockouts. The number of teams in the league has regularly fluctuated and numerous teams have come gone. However teams representing the Bermudez Biscuit Company, the Telecommunications Services of Trinidad and Tobago, the Trinidad and Tobago Defence Force, the Trinidad and Tobago Fire Service and the Trinidad and Tobago Police Service have participated in the majority of the seasons. During the Premiership era, UTT Patriots, representing the University of Trinidad and Tobago, and Fire Service have been the league's most successful teams. Between 2012 and 2024, Patriots and Fire and won every Premiership title between them.
The All Sectors Netball League was formed in 1990. Its founding members included Jean Pierre, the former Trinidad and Tobago international. At the 1979 World Netball Championships, she was a member of the Trinidad and Tobago team that shared the gold medal with Australia and New Zealand. However, since then, netball in Trinidad and Tobago had been in decline. The founders hoped to promote netball by encouraging working women to play. In 1991, the league started with thirteen teams and two divisions â the Championship Division and the Alternative Division. In 2004, the Retro Division, featuring overâÂÂ40s players was added.
The number of teams in the league has regularly fluctuated and numerous teams have come gone. However teams representing the Bermudez Biscuit Company, the Telecommunications Services of Trinidad and Tobago, the Trinidad and Tobago Defence Force, the Trinidad and Tobago Fire Service and the Trinidad and Tobago Police Service have participated in the majority of the seasons. Other teams to play in the league have represented the Tobago House of Assembly and San Juan Jabloteh F.C..
In 2011, the league expanded to three divisions when the Premiership Division was added at the top. During the Premiership era, UTT Patriots, representing the University of Trinidad and Tobago, and Fire Service have been the league's most successful teams. Between 2012 and 2024, Patriots and Fire and won every Premiership league title between them. Between 2018 and 2020, Fire won three league titles in a row. With a team coached by Bridget Adams and featuring Onella Jack, Jameela McCarthy, Kalifa McCollin and Samantha Wallace, UTT also represented the league at the 2017 Netball New Zealand Super Club.
Since 1998, the Eastern Regional Indoor Sports Arena in Tacarigua has served as the leagues home venue. Its original home venue was the Jean Pierre Sports Complex.