I have created my website. Where to start with SEO. can anybody point my where to learn? or hire? : SEO

http://leenotarypublic.com this is my website I am mostly looking for online bookings but don’t know where to start on how to get more traction. I get most of my traction through google my business profile, but no idea on where to start. any tips are greatly appreciated and anybody with a guiding hand will be paid for their time as I want to learn these concepts if possible. Thank you