ARVAL: Professional or regulator body?

[nyt]

Hi,

I am having trouble with ARVAL's complaints investigation team.

Does anyone know of where I can escalate my issue? Some sort professional standards organisation or professional body.

Thanks

[samoht]

https://www.arval.co.uk/about-arval

"Arval UK Limited is authorised and regulated by the Financial Conduct Authority, under registration number 312798"

https://register.fca.org.uk/s/firm?id=001b000000Mf...

"If this firm fails to deal with your complaint properly, you can ask the Financial Ombudsman Service to help."

[nyt]

Thanks samoht