No contact from supplier

Hi all. Just a query about a supplier. We discussed and agreed prices back in September and I paid the deposit as requested via bank transfer. I have had no acknowledgement of receipt of deposit and no contact either. I've tried messaging through the Hitched app, email, messaging through their website contact sheet, private messaged on Facebook and Instagram with no response. Do I just cut my losses and try and get someone else? Wedding is in May. They genuinely seem like a legitimate business but who can tell these days. Thanks in advance of any advice.