Commercial English - Letters

You write to How to begin the letter How to end the letter
an unknown firm/person (BE) (AE) Dear Sir/Madam (BE) (AE) Yours faithfully (BE)
Dear Sir or Madam (BE) (AE) Yours truly (AE)
To whom it may concern (AE) Truly yours (AE)
a woman whose name you don't know Dear Madam (BE) (AE) Yours faithfully (BE)
Yours truly (AE)
Truly yours (AE)
a man whose name you don't know Dear Sir (BE) (AE) Yours faithfully (BE)
Yours truly (AE)
Truly yours (AE)
a person whose name you know Dear Mr/Mrs/Ms Fisher (BE) (AE) Yours sincerely (BE)
Very truly yours (AE)
Sincerely (yours) (AE)
a person you know personally Dear Ann/John (BE) (AE) (With) Best wishes (BE) (AE)
Yours (BE)
Love (BE)
All the best (AE)
Kindest/Best regards (AE