Hello, haven't you tried to hire a freelancer who is dedicated to being an editor? On freelancer pages there are hundreds and hundreds that offer hundreds of services, including an editor service, you can choose to hire the service of the most professional of the freelancers on that type of pages or you can search directly on Google, in any case do not I could recommend a specific solution, the comment previous to mine seems that if he has given you a fairly specific solution, you can choose to use the solution that he has recommended.