If you are looking to have a service company at your home carry out work, there is multiple ways you can find them. You can go online, ask friends or neighbours about previous workers they had at their home or you use a listing directory to see who is local.
The benefits of a listing is that you can specify the area you are in and pick companies that you are local to your area. Personally, we find this a huge benefit as you know you can rely on a local company much more than you can on a company that is 2 hours away to carry out the work correctly.
Of course, the added benefit is you can specify the area regardless of your location. Supporting your local area is important to the entire community and will help to keep it alive and ticking away, preserving its culture.