So you messed up. How do you explain your company's misstep to the public? This short document will give you several reasons why you should write an apology letter, and offer suggestions to help you write a good one. Companies are composed of people, and people make mistakes. It's often easy to forget: companies – even the world’s best ones – can get it wrong sometimes. And their mistakes will be there for all to see, because nowadays social media like Facebook and Twitter enable customers to quickly and easily make their voices heard, loud and clear. The proper thing to do then is not to sweep such a “negative” situation under the rug. Instead, you should analyze it, reflect upon it, address the complaints, and issue a public written apology. And you should do this swiftly, do not wait long to do so. Should you find yourself in such a situation, here’s a brief guide for writing a sincere corporate apology letter.