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.Learn what a counter offer letter is, common responses to one and which elements to include in your response to candidates. How to Write a Counter Offer Letter. Struggling to write a counter offer letter? In each paragraph, clearly state the original offer, your counteroffer, and why you believe the counteroffer is appropriate. Edit, sign, and share sample counter offer online. No need to install software, just go to DocHub, and sign up instantly and for free. Employment Offer Letter Instructions. Fill out the "Negotiation Worksheet" with the information from your offer.