The chain is operated by Toridoll Holdings Corporation [ja] based in Kobe.

[2] In April 2023 Toridoll agreed to buy Franco Manca and The Real Greek from Fulham Shore for £93.4m.

[3] Marugame Seimen is one of the largest business formats owned by Toridoll Holdings Corporation since the 2000s.

[8] The menu mostly consists of Sanuki udon, which are made in each location,[9] rice balls, Doughnut, and other toppings, such as Tempura.

[11] Marugame Seimen closed all stores in South Korea in 2021 due to COVID-19 pandemic.