5 Employee appreciation letter best practices 1) Be timely. Learn how to write an employee appreciation letter with these templates and examples.Download the template for free (PDF or Word). In the first sentence, say you're grateful for the employee's amazing work. Specify what they've done recently to impress you. An employee appreciation or thank you letter is a formal message from an employer that recognizes the former's contribution to the company they work for. Here's a small samples of a appreciation letter done right. Time to express your appreciation on behalf of your company or team. Use this template to create yours and send it through Contractbook. I am looking for ideas of how to thank clients for referrals and also for showing thier homes to new prospective clients.