An electrical service company can offer work for both residential and commercial customers. Both of these types of electrical services take different skill sets and experience. It is important to work with a company that is fully licensed and insured. Looking further into the different types of services that are offered, any homeowner or business owner can hire an electrical company for a wide range of repairs. If you are looking to make electrical upgrades onto your home, garage, or even your office, this can also be contracted out.