WhiteHorse Finance, Inc. functions as a Business Development Company (BDC), operating as a non-diversified, closed-end investment firm. Its core business involves directly providing senior secured loans to businesses within the lower middle market, particularly those seeking capital for growth and expansion. While its primary investment focus is within the United States, individual loan amounts typically fall between $5 million and $25 million. These loans are extended to companies that possess an enterprise value generally ranging from $50 million to $350 million.