The standard opening for formal correspondence is Dear.
• Dear Sir
• Dear Madam
• Dear Sir or Madam
• Dear Sirs
• Dear Mr.
• Dear Mrs.
• Dear Ms.
• I am writing in response to your advertisement in [publication]
• I am writing to apply for the post of
• Thank you for your letter of [date] offering me the post of
• I am delighted to accept the position of [job title]
• I look forward to starting work with you
• Thank you for considering this application
• I should be pleased to attend an interview
• Please do not hesitate to contact me on the above number if you should require further information
• I look forward to hearing from you