I would recommend Ladies and Gentlemen.
the Plural form of Madam is "Mesdames"
There are two accepted plurals for the noun madam: madams or mesdames.
It can be madames, madams OR mesdames, actually.
In French, the plural of madame ("mah-dahm") is mesdames ("may-dahm"). As for English, I have never seen Madam used in the plural, but my dictionary says it used to be used with the spelling and pronunciation borrowed directly from French.
The plural of shoelace my dear is shoelaces.
A. Dear Dr. Smith, M.D.:
Write-offs is the plural of write-off
"Dear Sir or Madam"
The plural form of nephew is nephews.
Yes, "madam" is the singular form of the word used to address or refer to a woman in a formal or polite manner.
The plural form for the noun rivalry is rivalries.
The contraction for madam is ma'am.Example: Excuse me ma'am, you've dropped your glove.The contraction ma'am should only be used when speaking. Always use the full form when addressing someone specific, such as Madam Chairman or Dear Madam.