May be true in the US but in Europe you can't just increase your rates. Too many policies are involved with especially larger customers: they have a specific maximum rate they are willing to pay. In addition some agencies usually required to get into larger corps have a limit, too.
Usually contractors are hired to fix rotten stuff that in some way is a commodity. You can find 10 other contractors with the same skillset, maybe cheaper.
Usually contractors are hired to fix rotten stuff that in some way is a commodity. You can find 10 other contractors with the same skillset, maybe cheaper.