A counter offer letter is a physical letter or email candidates send to an employer when they want to negotiate the terms of a job offer given to them. State your counteroffer: In the body of the letter, clearly state the company's offer and your counteroffer and why you think it is justified.Composing a powerful counter deal letter is a basic interaction that can assist you with landing the position you need for the pay bundle you think you merit. How to Write a Counter Offer Letter. An example of an acceptance letter is: Dear Ms. Anderson,. I'm writing in response to your requested salary upgrade. A clear understanding of offers, counter-offers and the acceptance of offers is essential to the successful completion of an Agreement of Purchase and Sale. In each paragraph, clearly state the original offer, your counteroffer, and why you believe the counteroffer is appropriate. Learn how to write a professional job offer letter acceptance mail reply with joining date with an easy format and practical samples. The time for acceptance of any counter offer will be 3 days from the date the counter offer is delivered.