naturalisation solicitor fees in Cork

posted to a wrong category before, I hope this is the correct one:

Has anyone here applied Irish citizenship via naturalisation before? I would like to know do you pay a full service for a solicitor or complete all the forms on your own.

I contacted one solicitor about this topic last month and I was asked to make an appointment with €150 upfront fee. At this point, the solicitor had no idea who I am, and I did not even know what to prepare for that conversation.

I instantly got a feeling that this conversation will have many sessions, meaning many appointment needs to be made. It could sum up a big bill eventually.

If anyone had encountered the naturalisation process, tell me:

1. How did you apply Irish citizenship? on your own or by some services.
2. How much did you pay for the services.
3. would you please send me private message, what solicitor/service/commissioner did you go for