wedoall fix and marketing

hello my website is www.wedoall.co.za
i need a one-stop company that can help me with all this on a monthly base

.1 Website Maintenance, fix page speed, fix all problems on the website
picture, spelling mistakes I need to fix everything bad the slow my website

.2 SEO
3 Graphic Design,
4 Marketing and Advertising Facebook google merchant center
5 Website Management
6 Social media all youtube, Linkedin