No experience with this company, and we are London based so their locations aren’t where we know stagey kids tbh.
There are a few things that make the website dubious to me:
No names or contact details for those in charge.
No names of the guest instructors who presumably would already be booked - the equivalent programmes here definitely have names and headshots in their marketing already.
The photography does not appear to be from their actual programme. There’s no consistency in the locations, the kids, the uniforms. It’s all stock photography.
No social media links where you could see more and interact with someone to do something radical like ask a couple questions.
It doesn’t guarantee they are rubbish and they could just be better at teaching than marketing and building websites! But I’d be digging for somewhere I could find some specifics before I handed over the cash.