London's IPO flurry continues with Parsley Box and Caerus to list Fri, 5th Mar 2021 10:46 (Alliance News) -Â Parsley Box Group PLC and Caerus Mineral Resources PLC on Friday became the latest companies to reveal plans to list in London as a strong start to the year for UK IPOs continues. Parsley Box plans to list on London's junior AIM market and is a provider of ambient ready meals which do not need to be stored in a fridge or freezer. Parsley Box said it delivers around 900,000 products per month to its "loyal and growing Baby Boomer+ consumers", broadly defined as those aged 60 and over.