Sir, Dear Sir, Dear Mr. dela Cruz.
Before the body
Right above the salutation.
None, open punctuation means there is no punctuation after the salutation or the complimentary close.
example of sole propietorship?business owner,business name
example
A business letter's salutation should be followed by a colon. For example, "Dear Mr. Smith:" or "To Whom It May Concern:".
After the salutation of a business letter, the correct punctuation to use is a colon.
Dear Mr. President is a salutation of a business letter. The salutation goes at the beginning, thus that's how you got Dear.
how
how
how
It's etiquette and a form of salutation. On should say, 'Hello' to someone in business, but, if a friend you can use the short form of 'Hi' or any form of salutation (Example: slang) 'Yo there babe!'
salutation
salutation
Before the body
Sometimes business letters include the salutation "to whom it may concern". It is better to say "Dear" and then the addressee's name, followed by a colon.
Dear, or hello