You were recently in a car accident their insurance company went with a 5050 split you got your insurance company involved and they found the other party 100 at fault what is the next step?

Let your insurance company know everything that you know about the accident and about what the other person's insurance company has proposed, and then let your insurance company handle the rest. If the other person was 100% At Fault for the accident, your insurance company has a very powerful incentive to reject the counter-party settlement offer of a 50/50 split. Let your insurance company know everything that you know about the accident and about what the other person's insurance company has proposed, and then let your insurance company handle the rest. If the other person was 100% at fault for the accident, your insurance company has a very powerful incentive to reject the counter-party settlement offer of a 50/50 split.