Some information about ArcGIS can be found
here. I have contacted
esri uk about a licence for home use but have not yet heard anything. It seems more suitable for commercial environments.
This article about
27 Differences Between ArcGIS and QGIS has useful insights.
Many companies help others work with ArcGIS, such as
WebMapSolutions, who "work across many sectors. We help organization with and without ArcGIS and intelligent map expertise."