The number one thing to keep in mind if you plan to get a business portrait done is to make sure you have the right expression. Too many business headshot photographers don't spend any time coaching the right expressions out of you. Instead, they make sure the lighting and framing look good.
Why is this a problem?
Because without proper expressions and knowing what to look for in a business headshot, you're not going to have something that speaks to who you are. The key to having a good professional image is to have a great headshot with an expression that shows the following:
Confidence with approachability.
My sessions are built around coaching the right expressions out of my clients. Any photographer can get great lighting, but directing a subject is much more difficult. This is what really makes a headshot a winner.