Shop around. https://www.bonkers.ie/
may be useful, but compare that to any prices or offers on the suppliers own website. Note that where you live will affect prices, e.g. electricity is more expensive in rural areas.
**Make sure you have an Eircodes .** You can check here https://finder.eircode.ie/#/
It can take months for new Eircodes to filter through to all the operators.
Bins - how much waste do you create? Are you conscientious enough to sort your waste properly. Do you have a composter?
Electricity & Gas - you might get a deal by combining the two in one bill. However, the might be operators where separate is cheaper.
Home Alarm Security Company - is if there is an operator where you can combine this with your phone, to see if it is cheaper. Note that many of the alarm monitoring companies charge a maintenance charge **and** an activation charge.
Broadband - you may be able to get broadband / landline / TV deals.