It sounds like a scam. You receive a letter from a private company saying you are owed thousands of dollars in unclaimed money. The company would be willing to secure the funds for a 30 percent fee. Yes, it seems sketchy. But do you really have money out there?
"How to Find and Claim Cash You Didn’t Know You Had" is from the December 27, 2016 Lifestyle section of The Washington Post. It was written by Elisabeth Leamy and narrated by Sam Scholl.