Need professional insulation service for attic and walls

Hi, I'm looking for an experienced professional to help improve the insulation in my home. The main focus will be on insulating the attic and some external walls to enhance energy efficiency and reduce heating costs. I prefer someone who can advise on the best materials and methods suitable for the Irish climate. The house is a two-story detached property, and I would appreciate a thorough job with attention to detail. Please bring your own tools and materials if possible. Looking forward to working with someone reliable and skilled.