Business Growth via SEO & Social Media

I need a comprehensive marketing strategy to create, promote, and optimize three of my businesses across various platforms. Please find the link to one of my businesses which I would like to focus on first: my ventures are a mix of B2B and B2C... (Budget: $250 - $750 AUD, Jobs: Analytics, Content Creation, Digital Marketing, Facebook Marketing, Instagram Marketing, Internet Marketing, Marketing Strategy, SEO, Social Media Management, Social Media Marketing)