In fact, this is a type of fraud known as a boiler room - designed to deceive individuals into investing their money in worthless, non-existent bonds.
We consider this scam a fraudulent misuse of our good name. "ABN AMRO Private Bank" has been reported to the Financial Conduct Authority for inclusion on its blacklist of unauthorized firms.
A similar scam occurred in 2019 using the name ABN AMRO Asset Management, which was also included in the FCA unauthorised clone firms list.
The Financial Conduct Authority has a useful webpage explaining how personal investors can avoid scams by checking whether an investment opportunity is being offered by a legitimate, authorized firm.
ABN AMRO Bank NV, UK Branch, does not offer personal banking services in the UK.