What to Include in a Job Offer Letter
A job offer letter confirms the role, pay, start date and basic terms of employment before someone officially joins. Here's what a complete one includes, and whether it's legally binding.
What is a job offer letter?
A job offer letter is a formal document a business gives a candidate confirming they've been offered a position, along with the key terms: job title, compensation, start date, and whether the role is full-time, part-time, or contract. It's typically sent after a verbal offer has already been accepted, to put the details in writing before the person's first day.
What a complete offer letter includes
Job title and a brief description of the role, start date, pay (salary or hourly rate, and pay frequency), employment type and status (full-time/part-time, exempt/non-exempt, at-will where applicable), reporting manager, and any basic conditions — background check, references, or contingencies that still need to clear before the offer is final.
Is an offer letter legally binding?
Generally, an offer letter is treated as a summary of terms rather than a full employment contract, and most US employment is "at-will" regardless of what the letter says — meaning either side can end it at any time. That said, specific language in an offer letter (like a fixed term or guaranteed severance) can create binding obligations, so businesses with more complex terms often use a separate formal employment contract instead of relying on the offer letter alone.
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Frequently asked questions
What's the difference between an offer letter and an employment contract?
An offer letter is typically a short summary sent to get someone to accept and start; an employment contract is a more detailed, legally binding agreement covering things like termination terms, non-competes, and benefits in full. Many small businesses only use an offer letter.
Can an offer be rescinded after the letter is sent?
In most at-will employment situations, yes, though doing so can carry legal and reputational risk depending on the circumstances — this is a question worth asking an employment attorney if it actually comes up, not something to guess at.