Should I ignore this parking ticket

[EvianBaby]

Got a letter today from UK Parking Control for an unpaid parking charge in a local shopping park (for one of the work vehicles).

When we get ones from the councils directly I normally just pay them (or challenge if I can) but I am right in thinking that ones from a private firm are essentially just invoices and they have no come back if I decide to just ignore it?

[Iggle Piggle]

Hey Mrs O, it's Mr Piggle to you...
lol
:-)