Writing a basic business letter
Standard business letter phrases to help give a professional tone to your business letter in English
The start
Dear Sir or Madam (use if you don't know who you're writing to)
Dear Mr, Mrs, Miss or Ms (use if you know who you're writing to, and have a formal relationship with. Use Ms for women unless asked to use Mrs or Miss)
Dear Frank (use if the person is a close business contact or friend)
The reference
With reference to your advertisement in the Times, …
your letter of 13th June, …
your phone call today, …
Thank you for your letter of 5th June.