The HSE Home Support Service can provide a certain level of homecare cover for those aged over 65. This is free of charge and there is no means-testing requirement. Comfort Keepers is an HSE preferred provider of homecare services. You can find out more about here how you could choose Comfort Keepers for any homecare paid for by the HSE.
If you need more hours of homecare than the HSE will subsidise or if you are 65 or under, there is help available through tax relief. You can find out more about that here. If you have a disability, there is a range of benefits available through the Department of Social Protection or HSE that you could use for homecare. You can find out more here about Disability Allowance (DA), for example.