If you have sustained damage to your commercial building and the insurance payout was less than the cost of the repair, you might consider using a public adjuster in Illinois to appeal the claim.
There could be many reasons that the payout is insufficient. Possibly your policy was concluded incorrectly. The amount of insurance coverage needed has been miscalculated for the size and type of commercial building you have, in other words you are under-insured!
This will result in a payout that does not allow you to fully repair the building to what it formerly was.
To avoid this situation from the start or to appeal for a larger compensation payout, the services and guidance from a public adjuster would be a good idea. A public adjusters in Illinois work for you, the homeowner, not for the insurance company, so they have your best interests at heart.
If you feel your payout is insufficient the public adjuster can go back to the insurance company and speak on your behalf with the insurance agency.

Is an appeal against the decision effective?
If your claim is supported by sufficient evidence and justification you have a good chance at winning the appeal. The public adjuster can help you support your claim and approach the insurance company with facts in hand.

Is it worth fighting for higher compensation?
Your public adjuster in Illinois can give you a good idea of what the results of an appeal may be. Whatever the outcome an appeal takes effort, time and added expense.

The success of an appeal for understated compensation can pay out considerable amounts of money. If your arguments are justified your commercial claims public adjuster will have a good chance of winning the case for you.
To avoid all the problems associated with an insurance claim, you would be wise to make sure you have enough insurance to cover the worst possible damage to your Illinois building from the start.