The main advantage of co-branding is that a product can be convincingly positioned by virtue of the multiple brands, generating greater sales from the existing market and opening opportunities for new consumers and channels. It can also reduce the cost of product introduction because it combines two well-known images and speeds adoption. And co-branding may be a valuable means to learn about consumers and how other companies approach them.
The potential disadvantages are the risks and lack of control in becoming aligned with another brand. Consumer expectations of co-brands are likely to be high, so unsatisfactory performance could have negative repercussions for both brands. Also, consumers may feel less sure of what they know about the brand