Costella Kirsch

Costella Kirsch is a Menlo Park, California–based investment firm founded in 1986 that provides customized structured debt and financing solutions to emerging and growth-stage companies, particularly in technology, consumer goods and healthcare sectors, emphasizing speed, flexibility and capital efficiency over traditional bank lending. The firm specializes in venture debt arrangements designed to extend runway, fund working capital and support capital expenditures with minimal equity dilution, generally without taking board seats or requiring personal guarantees. With over three decades of operation in Silicon Valley, Costella Kirsch combines bespoke financing with industry relationships and experienced engagement to help revenue-stage companies scale. Its senior team brings long-standing experience in structured lending and operations, and the firm evaluates opportunities based on market traction, leadership strength and financial performance. Costella Kirsch’s portfolio includes growth-oriented businesses across SaaS, hardware, eCommerce, diagnostics and other tech-related markets where tailored debt complements equity funding.