Doublet is a French family business that provides signage design, production and installation services to customers, like the Tour de France. They are at the top of their game in delivering visual impact. Everyone wants their signage, flags and services - corporates, retailers, public bodies, local public bodies and sports associations.

People spend a lot of time talking about "sweet spot” or ideal customers, who are the best fit for their business.

But what about the sour spot customers? How much time do you spend talking about the customers who are a bad fit for your business? In some ways they may be customers you prefer not to think about. Like bad relationships if you don't think about them, they may not appear to be there.