This coffee table from Spy Emporium has a secret compartment revealed when the lift-up top is raised. The top stays level so there is no need to remove items from the table before accessing the secret compartment.
OfficeAnything sells this office chair with a secret stash compartment in the back. This is one solution to inconspicuously hide critical items and documents in the office without putting it all under lock and key.
This library, featured on BecauseWeCan, has a set of sliding bookshelves that moves to the left to reveal a hidden door. This setup can be recreated with standard bookshelves, skateboard wheels, and sliding door...