If you are dealing with a small space try getting creative with minimal furniture pieces, or if it is a larger space oftentimes the right angles will do the trick!
Personally I love having a desk that doubles as a vanity, so including various accessories adds a little character!
Here is an example of a small office space, but to make this work in a larger space, moving the desk to the middle of the room opens everything up!
And that is the beauty of an office space!