Stop spam calls

I had a call at 2pm on 17/8/2021 from someone from the above Company who seemed to know my name claiming they were from the clinic -which is ironic considering I've just come out of hospital Thankfully I was otherwise engaged & said it wasnt convenient to talk. I said I'd phone back later & he hung up The man was Asian Trying the no -the voicemail said the company was what sounded like Superdeema Guarding Sales & Marketing (or Superdealer etc... The word after that sounded like Guarded