For this Gig I only work with custom offers, so you don't have to pay for services that you don't need. I have more than 20 years experience in backoffice work and have also managed backoffices.
Please tell me what you are looking for and I will make you a custom offer. To give you an indication, I charge 5 USD per 20 minutes and also 5 USD for 350 words.
I will provide all kinds of backoffice services, custom to your needs.