What is included in an offer letter? 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. If it's an official part of your compensation it should be in your offer letter. They typically include essential details such as position, salary, start date, and benefits. Instructions on how to accept the offer. "Talk about the compensation package your company offers for the position. During the interview the HR collects details about your current salary, currernt benefits, expected salary, expected benefits etc. Compensation: In your offer letter, the employer can include your potential salary with any bonuses or commissions relevant to your role.