The insurance company Safeco is an insurance company owned by Liberty Mutual so yes they're a good insurance company.
I have my car insurance and homeowners insurance through Safeco and for awhile I didn't realize that Safeco was owned by Liberty Mutual Insurance which I've had years before.
So that's good news as I've had good luck with Liberty Mutual so that makes Safeco Insurance a good insurance company and I would recommend them to anyone looking for good cheap homeowners insurance or auto insurance as well.
I've had my auto insurance and homeowners insurance with Safeco for 3 years now and have been happy with them and don't plan to switch anytime soon.