To get proof of employment, you may need to request a verification of employment letter from your current or previous employer. I am writing to ask if you could compose a verification of employment letter on my behalf.To begin with, sincerely thank them for the offer. Express your gratitude for the opportunity to work for the company. Employment Verification. Domestic (US) population: To verify employment please visit Thomas and Company or download the Verifications Flyer for instructions. Explain who you are. In the first body paragraph of your employment verification letter, you want to explain who you are and what the purpose of the letter is. Need to provide proof of employment status? Use this sample employment verification letter to create your own.