Not every digital marketing agency is comfortable selling SEO. After all, online content creation is a very different beast from web design or PPC management. It's a vast field that's always in flux, which can be intimidating to jump into. However, taking the leap is essential to your and your clients' success. Search engine optimization plays a major role in companies' visibility, which means you're doing clients a disservice if you don't offer it.
Still not convinced you should add SEO to your lineup? This white paper from Boostability covers six reasons why you should offer SEO as a digital marketing partner.