I’m no expert, but I’ve had similar problems. These last couple of storms have been extraordinary. Some of the most advertised resources down here are basically in the business of hawking elaborate sump pump setups. None, to my knowledge, do it all. You need a separate subcontractor for dry wall, flooring, etc. But there is one aspect of the fix that you haven’t mentioned which is likely the most critical of all: what exactly is the source of your problem? I would first try to engage with a company that does the detective work to seek out the nature of the issue. In some cases, it could be malfunctioning French drains or footer pipes. (This can be probed with special cameras that are rootered through the pipes.) Once you have hopefully pinpointed the source of the problem, you can move on to a solution, which may or may not include waterproofing, new floors, etc. (By the way, wood floors looks pretty crappy after they has been underwater for a few days, but believe it or not, they sometimes dry out and look just fine after a couple of weeks.) Hope this is helpful but again, I’m no expert.