Endolith

Based in the US, Endolith specializes in utilizing microbial technology to enhance the extraction of copper and other crucial minerals from low-grade ores, addressing sustainability challenges in the mining sector. Founded in 2021 and headquartered in Arvada, Colorado, Endolith focuses on microbial solutions for mineral recovery. The company has completed two deals, with its most recent funding round occurring on November 12, 2025. In this round, Endolith raised USD 13.

5 mn in SERIES A funding led by Squadra Ventures, with participation from various investors including Alumni Ventures Group and Draper. The founder's previous entrepreneurial background is not disclosed. Endolith specializes in leveraging biological intelligence and machine learning to enhance the recovery of copper and other critical minerals from low-grade ores. The core offering is an innovative platform that utilizes AI-guided microbes, which adapt to specific site conditions to optimize recovery rates while minimizing costs and environmental impacts.

This technology is particularly beneficial for the mining industry, addressing the growing challenges posed by increasing copper demand driven by electrification, data centers, and defense systems. Endolith’s solutions are primarily targeted at global miners across the Americas, facilitating seamless integration with existing heap-leach operations. By improving recovery efficiency and sustainability, the company aims to unlock significant value from resources that were previously deemed unprofitable. Endolith generates revenue through partnerships and collaborations with miners, primarily operating in a B2B model.

Transactions typically involve the deployment of their microbial technology at client sites, where ongoing support and optimization services are provided. Revenue streams may include fees associated with the initial integration of their technology into existing operations, as well as contracts for continuous monitoring and optimization services. This structure allows clients to benefit from improved recovery rates, while Endolith capitalizes on the growing demand for efficient mining solutions. The company’s established partnerships, validated through programs like BHP’s Think & Act Differently, contribute to its commercial momentum in the marketplace.

In November 2025, Endolith raised USD 13. 5 mn in SERIES A funding, which will be utilized to deploy its microbe-based copper extraction process in real-world mining pilot projects. The company aims to expand its market presence by targeting global miners in the Americas, enhancing its technology offerings and integrating its solutions into existing mining operations.