WordPress Developer, SEO Optimization, Marketing & More

I just started a new business and I need help with a lot of different things. I need to integrate a booking feature into my WordPress website. I need SEO optimization. I need help creating social media pages for my business. I need help generating leads and getting customers. I need help creating ads online. I need help with creating business emails and email marketing campaigns. I'm looking for someone that can help in multiple areas. Everything will be online. WordPress development skills, strong English writing skills, and SEO optimization experience are required.