Founded and sold highly successful digital agency. Managed largest SEO engagement in the world. Created full-funnel marketing automation for Fortune 10.
This depends on what you're currently doing. There's the old school tried and true methods of cold calling, direct mail, and networking. There's also digital marketing, where you can leverage your skillset in SEO to attract local traffic. Also, there is paid search and social marketing.
The best method with the highest close rate would be leveraging your existing network. Let everyone know you do web design, development, and SEO and that you're seeking clients.