Zenith Home Improvements. Quoted an address I have lived at for over 10 years and my maiden name. Not sure what data they are using, But they are certainly in breach of GDPR. On the basis they are using such desperate and unethical marketing strategies, I would stay clear.
A call centre saying i'd been entered into a draw for 10 free winning Euro lotto tickets... All they needed was my bank details to then put my winnings into.