If you can afford it: Sandler sales training. They're not the only solution, but they're very good and (at least in the past) part of your fee includes lifetime

If you can afford it: Sandler sales training. They're not the only solution, but they're very good and (at least in the past) part of your fee includes lifetime access to go back and retake the training, freshen up your skills, etc. (I'm not affiliated, but I did go through their training; it made me the best salesperson in my circle of small-consulting-shop friends and colleagues.) If you can't afford it? Read The Challenger Sale, a data-backed look at the most effective techniques.