Why internalising your marketing function is probably a bad idea

Media coverage of brands internalising their marketing resource, i.e. creating an in-house agency, tends to focus on megabrands such as Pepsi, but the truth is that most small and medium-sized brands almost always reach a point where they too begin to question how best to resource their marketing needs.
Let’s say a business is spending around £5000 every month with a digital marketing agency, in return for maybe five to seven days of resource. The brand’s management team then s