Hi Jenny,
It's great to hear that you are planning a trip to Ireland. Hiring a private driver would be a great option for your group, as it gives you the freedom to travel where you want and at your own pace, without having to drive yourself.
There are actually a number of very useful Community threads already that highlight some chauffeur companies that are listed on the ireland.com website. The first one is
here and the second one is
here.
I hope this information will be helpful to you as you plan your trip to Ireland.
Regards,
Eoin