For content we are using BlogMutt. It is a great blog writing service. You can hire specific writers and select the article topic. They are really responsive.
Founder & CEO - Yobi
1%Stacklist Startups Are Using BlogMutt
BlogMutt creates original blog posts you always wanted — but simply never had the time or resources to write yourself. Our network of US-based, BlogMutt-approved content writers create blog posts based on your topics and business. All you gotta do is pick.
Visit the website: https://www.blogmutt.com/