Consulting is the best way to get your CPA firm out of the tax-services-only rut. It not only has the ability to make you more of an asset to your clients, but it can propel both of you forward in terms of performance and growth. Because you already have an established relationship handling a company's finances, you're in the great position to apply your expertise to help them achieve their goals.
Before you start, however, here are some tips on how the be the best consultant: