What is The Most Effective Way To Consistently Attract Business And Keep Local Clients Ranked In 3 Pack?

In episode 261 of our weekly Hump Day Hangouts, one participant asked about the most effective way to consistently attract business and keep local clients ranked in 3 pack.
The exact question was:
For local seo what do you see is the most effective way to consistently attract businesses that need seo? And best ways to keep local clients ranked in the 3pk?
