Learn what an employment verification letter is, with examples and templates. Discover key components, tips, and sample letters.To provide: An employer-completed verification of employment, wages, mandatory withholdings and deductions. Employment verifications go through the work number. This request should only be submitted if you need additional information not included in the work number. Need to provide proof of employment status? Use this sample employment verification letter to create your own. Prepare: Make a list of your job history, skills, and experiences. Everything starts at our website. There you will find links to job opportunities, an online employment application guide, and online help for getting started.