Excelero, a privately owned US-based software development company founded in 2014, provides software-defined block storage services. Employing approximately 30 people as of 2023, the company's primary offering transforms NVMe drives into high-performance, protected storage compatible with various file systems. This solution aims to reduce storage costs and improve scalability and performance for both web-scale and enterprise applications. Excelero is now a subsidiary of Nvidia.