Social Media content

I need help with writing posts for Linked In, Instagram and FB.
I have 2 businesses and post 3 times a week for each.

1. Selena Courier Service - Londons best boutique courier company.
2. Food Icon - vegan food delivery in London

I usually need for each business on monthly basis:
3 Linked in posts
8 FB/Insta
Help with images and hashtags

My current copywrighter unfortunately due to health issues unable to write for sometime. That’s why I am here. Asking for help.