As a customer or a vendor, being able to see any company's health like this must be wonderful if you're evaluating whether you want to enter a relationship with them. More of the world should do this.
Limited liability companies have to submit their accounts annually. Most small business accounts aren't audited, so it's self-reported at that level, but still useful to check scale, cash crunch, etc.
And in this particular case since they're a UK company, yeah, you can just look at their reported accounts.
2023
CURRENT ASSETS: £571
Creditors: Amounts Falling Due Within One Year: £28,051
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That's not a client I'd take.