The following Cooley GO tips will help you prepare simple and effective offer letters that work best for your company's operating style and structure. Looking for job offer letter samples?Explore 10 free job offer letter templates suitable for various hiring situations. Need help drafting a job offer letter? 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. The following tips will help you prepare simple and effective offer letters that work best for your company's operating style and structure. Found the perfect candidate to hire? We've got 7 types of job offer letter templates to choose from that'll help you seal the deal. What should an offer letter include? If you apply for something such as a job or membership of an organization, you write a letter or email, or fill in a form in order to ask formally for it.