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.When countering a salary offer via email, be professional and polite. Express gratitude for the offer and highlight your qualifications and value. 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. This type of letter verifies to the employer that you have accepted the job and the terms of the offer. In each paragraph, clearly state the original offer, your counteroffer, and why you believe the counteroffer is appropriate. How do I decline an already accepted offer, professionally and politely, if I want to accept a counter offer from a current employer? Download a free Counter Job Offer Letter template to use when you want to negotiate terms before accepting.