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. Learn what a counter offer letter is, common responses to one and which elements to include in your response to candidates.Learn how to write an effective counteroffer letter and use our tips and example as a guide. How to Write a Counter Offer Letter. Learn how to write a professional job offer letter acceptance mail reply with joining date with an easy format and practical samples. Knowing how to accept a job offer is key. Thank the recruiter, review the offer and follow up with questions and a counter offer before accepting the offer. I appreciate the time and effort you have taken to consider my requests and negotiate the offer. Struggling to write a counter offer letter? To create an applicant account, go to Career Pages website and click on the Sign In tab, and then Don't have an account?