Affluent Big Four partners lack ‘fire in the belly’ to disrupt consulting market Advisory The trend of Big Four partners leaving to launch boutique consultancies has accelerated in recent years. But the co-founder of consultancy Q5 Partners has told City AM that many will struggle to build true challenger brands without an “all or nothing” approach. Five founders, including managing partner Olly Purnell, launched boutique consultancy firm Q5 Partners at the [...]