Organization and Principal Business	6 Months Ended
Jun. 30, 2025
Organization and Principal Business [Abstract]
Organization and Principal Business	Note 1. Organization and Principal Business Star Mountain Lower Middle-Market Capital Corp. (the “Company”) is an externally managed, closed-end management investment company and has elected to be regulated as a business development company (“BDC”) under the Investment Company Act of 1940, as amended (the “1940 Act”). Star Mountain Credit Opportunities Fund, LP (the “Private Fund”) was formed as a Delaware limited partnership on August 7, 2019 to make investments in lower middle-market companies and commenced operations on September 16, 2019. On May 14, 2021, Star Mountain Credit Opportunities Fund, LP converted to Star Mountain Lower Middle-Market Capital Corp., via a filing with the State of Delaware of a Certificate of Conversion to a Corporation. Based on analysis of the attributes of the Star Mountain Credit Opportunities Fund, LP predecessor entity versus the Star Mountain Lower Middle-Market Capital Corp. converted entity, it was determined that Star Mountain Lower Middle-Market Capital Corp. was the accounting survivor. Star Mountain Lower Middle-Market Capital Holdings, LLC (the “Holding Company”) is a wholly owned taxable subsidiary of the Company that was formed as a Delaware limited liability company on December 13, 2023 to hold certain of the Company’s investments for tax purposes. The Holding Company commenced operations on December 13, 2023. The Company’s investment objectives are to generate current income and capital appreciation. The Company seeks to achieve its investment objectives by investing primarily in privately negotiated loans and equity investments to small and medium-sized businesses (“SMBs”) generally with annual revenues greater than $15 million and earnings before interest, taxes, depreciation and amortization (“EBITDA”) of less than $50 million. The Company is advised by Star Mountain Fund Management, LLC (“Star Mountain Fund Management”, the “Administrator” or the “Advisor”), a registered investment adviser under the Investment Advisers Act of 1940, as amended. In addition, for U.S. federal income tax purposes, the Company has elected to be treated and intends to continue to be treated as a regulated investment company (“RIC”) under Subchapter M of the Internal Revenue Code of 1986, as amended (the “Code”).

Star Mountain Lower Middle-Market Capital Corp. (the “Company”) is an externally managed, closed-end management investment company and has elected to be regulated as a business development company (“BDC”) under the Investment Company Act of 1940, as amended (the “1940 Act”).

Star Mountain Credit Opportunities Fund, LP (the “Private Fund”) was formed as a Delaware limited partnership on August 7, 2019 to make investments in lower middle-market companies and commenced operations on September 16, 2019. On May 14, 2021, Star Mountain Credit Opportunities Fund, LP converted to Star Mountain Lower Middle-Market Capital Corp., via a filing with the State of Delaware of a Certificate of Conversion to a Corporation.

Based on analysis of the attributes of the Star Mountain Credit Opportunities Fund, LP predecessor entity versus the Star Mountain Lower Middle-Market Capital Corp. converted entity, it was determined that Star Mountain Lower Middle-Market Capital Corp. was the accounting survivor.

Star Mountain Lower Middle-Market Capital Holdings, LLC (the “Holding Company”) is a wholly owned taxable subsidiary of the Company that was formed as a Delaware limited liability company on December 13, 2023 to hold certain of the Company’s investments for tax purposes. The Holding Company commenced operations on December 13, 2023.

The Company’s investment objectives are to generate current income and capital appreciation. The Company seeks to achieve its investment objectives by investing primarily in privately negotiated loans and equity investments to small and medium-sized businesses (“SMBs”) generally with annual revenues greater than $15 million and earnings before interest, taxes, depreciation and amortization (“EBITDA”) of less than $50 million. The Company is advised by Star Mountain Fund Management, LLC (“Star Mountain Fund Management”, the “Administrator” or the “Advisor”), a registered investment adviser under the Investment Advisers Act of 1940, as amended. In addition, for U.S. federal income tax purposes, the Company has elected to be treated and intends to continue to be treated as a regulated investment company (“RIC”) under Subchapter M of the Internal Revenue Code of 1986, as amended (the “Code”).