LED Church signs for Church Marketing, it’s a controversial topic: Should a church advertise? More and more Church leaders are of the mindset that, like a business, it should market itself to increase its outreach. Every Church is a ministry, of course, but just like any business, it has supply and demand. The supply is faith, and the demand is followers. And just like any other organization, it needs to market itself in order to thrive and accomplish its goals.