The first Las Iguanas opened on St Nicholas Street, Bristol, in April 1991,[3] offering a Latin American-themed menu.

[4] In 2003, the group acquired its own Cachaça sugar cane field and distillery on the Fazenda do Anil estate, outside Rio de Janeiro, Brazil.

[5] One of the co-founders, Ajith Jaya-Wickrema, left Las Iguanas in August 2009 to start a Caribbean-themed restaurant chain, Turtle Bay.

In light of the impact of the COVID-19 pandemic, in May 2020 Casual Dining Group announced that it was working with advisors on next steps for the overall business as a prudent measure to protect the company whilst planning for the future.

[11] In August 2020 Casual Dining Group was acquired by the British private-equity firm Epiris and relaunched as The Big Table.

[12] Las Iguanas menus include Latin American food such as nachos, burritos, xinxim, fajitas and tapas, along with steaks and burgers.

[18] In December 2019 Las Iguanas was recognised as the top-rated hospitality business on the Glassdoor Best Places to Work 2020 list, ranking 11th overall.