Having a great website is a good first step but without a solid marketing plan that great website is just going to sit there unused. Web design is essentially a branch of the marketing disciplines, and a website that is created on its own with marketing or SEO added later as an afterthought is not going to achieve its full potential.
Crunch42 has worked as the web developer for several marketing firms for over 15 years and as such is well versed in how to develop websites with good marketing and SEO in mind. While Crunch42 does not provide these allied marketing and SEO services, you will have the benefit of their association with various third party marketing services should you choose to use them.