Loan guarantee or surety insurance processes and systems for use in a commercial loan arrangement between a borrower and a lender, in which the borrower is typically required to provide to the lender a personal guarantee of some or all of the amount of the commercial loan to obtain the loan, wherein loan guarantee insurance of an insured amount is calculated and provided, in exchange for payment of premiums, by a loan guarantee insurance provider or similar third party in order to replace some or all of the personal guarantee amount required of the borrower. The terms of the loan guarantee insurance is calculated and based on information about the commercial loan, the underlying project, the borrower, and other underwriting criteria.