I Consistently do google adwords, facebook ads and seo.

At the end of the day there are people in the bay or anywhere else with SEO, some with direct mail, some with FB marketing, some with cold callers and text blasting, some with other things like TV and radio ads.

How do I differentiate the good SEO companies from the not so good SEO companies?

Marketing has become a finely tuned career path its own metrics and standards, and it's a broad and ever developing field that requires familiarity with SEO, coding, and various platforms, each with their own learning curve.  

If you do, your listing may become a guest favorite, which will increase it's SEO.

Some methods (amongst many)Well functioning websites with SEO optimization, TV ads, mailers (yellow letters, bandit signs, bird dogs, driving for dollars, networking, foreclosures, estate & divorce attorneys.

It's kind of the inverse of finance folks who don't feel any qualms defrauding people of a lowere socioeconomic class.Finally, contractors are largely booked through good SEO or online review systems which are gameable.Generally, I have gotten better results by paying a little more and only hiring large, well known companies. 

Looking to spend a ton on seo and Google ads and sell on investor lift.

I’m a single family investor located in Dallas, I’m looking to overhaul our in-house marketing and hire a marketing agency to help us with digital lead generation whether they be SEO, PPC, or other techniques.

Easit way to do this rather than waiting for SEO to kick in would be to utilize paid traffic.