One of the first questions when you want to hire anyone is : “how much is it going to cost my company?”
The French government helps you answer this question by providing you with a cost calculator.
https://codedutravail.num.social.gouv.fr/outils/simulateur-embauche
It is quite accurate and can help you estimate the cost of any new employee. And it is in English.
Don’t hesitate to the visit the site or ask French Payroll Expert for an estimate.