When you are raising capital from potential investors, they will often ask for a seemingly never-ending stream of documents and files. These will range from your financial statements to your business registration certificates. One of the best ways to have a smooth raise is to have as much of this ready as you can. A major component of how investors evaluate a business is by how expeditiously they are able to do diligence.
UpCounsel has a very detailed checklist that would cover all of the basis for most businesses.