NewStar Financial, Inc. operates as a commercial finance company in the United States. It focuses on meeting the financing needs of companies and private investors in the middle market. The company originates, structures, and underwrites senior and secured cash flow loans, as well as second lien, subordinated debt, and equity or other equity-linked products; and senior debt financing options, including revolving credit facilities, term loans, and other debt products secured by various business assets. It also offers first mortgage debt and asset-based debt primarily to finance the acquisition of commercial real estate properties. In addition, the company’s commercial real estate loans provide capital for various purposes comprising acquisition, lease-up, repositioning and build-out, and refinancing and recapitalization. Further, it offers senior and secured asset-based loans that provide capital for purposes, such as working capital, acquisition, dividend recapitalizations, refinancing and restructuring, corporate growth, and management buyouts. Additionally, the company provides various direct finance leases for equipment types, including manufacturing, technology, healthcare, and telecom equipment. It serves various companies operating in healthcare, manufacturing and industrial, financial services, energy/chemical services, printing/publishing, consumer, retail, restaurants, telecommunications, education, auto/transportation, marketing, wholesale distribution, and business and technology services industries. NewStar Financial, Inc. was founded in 2004 and is headquartered in Boston, Massachusetts.