[8] In the Women's Twenty20 Cup, which they joined for its inaugural season in 2009, Hertfordshire have fared similarly, playing mostly in Division 3.

[11] In 2020, after the county season was cancelled due to the COVID-19 pandemic, Hertfordshire competed in the East of England Championship, and won the 45-over competition.

[12] In 2021, they won the East Group of the Twenty20 Cup, going unbeaten with 5 victories and 3 matches abandoned due to rain.

[13] They also again competed in the East of England Championship, finishing second in the 45-over competition to Buckinghamshire.

Hertfordshire have been placed in Division 1 of the Metro Bank One Day Cup Women's league Three and Division 1 South in the Vitality Blast Women's League 3 Based on appearances in the 2023 season.