sazz1, if you get pest control in they'll want to use poisoned bait - which is very dangerous for your dogs. A poisoned mouse may well come out and be eaten by a dog.
I think your husband is right. You need some traps. I like the 'Trip Trap' ones that don't harm the mouse. You simply release it outside. You really need to find out, first, how they are getting in, though.
Check outside for any small gaps that you could get a pencil through (quarter inch size). Often they are next to pipes.
Mice can squeeze their skulls and bones through a tiny gap.
Check floors too. Block gaps with tightly packed wire wool, holes in floors with a nailed down metal lid, hammered flat.
Don't keep cereals or any edibles in their packets or thin card boxes. Dispense them into glass, tin or sturdy plastic sealed containers. Keep them up in wall cupboards if possible. Good luck!