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Expressions for Business Letters

Salutation – Addressee known
Dear Ms / Miss / Mrs / Mr / Dr …
Salutation – Addressee unknown
Dear Sir / Dear Sirs
Dear Madam
Dear Sir or Madam
Ladies and Gentlemen
To whom it may concern
First Paragraph
We have received your letter dated …
Many thanks for … / Thank you (very much) for …
This is to confirm …
We hereby inform you …
Final Paragraph
If you have any questions, do not hesitate to contact us.
We look forward to your reply.
We are looking forward to hearing from you soon.
Greeting – Addressee known
Yours sincerely / Sincerely yours
Greeting – Addressee unknown
Yours faithfully / Faithfully yours
Sincerely / Sincerely yours