IonQ (NYSE: IONQ) has advanced to Stage C of the Defense Advanced Research Projects Agency's Quantum Benchmarking Initiative, signing an agreement with a potential value of up to $300 million, according to a company press release.

The Stage C agreement covers independent verification and validation of multiple generations of IonQ's Superion quantum systems, with the program running through 2029. Funding beyond the initial obligation remains subject to future appropriations and DARPA funding actions.

IonQ is among the first companies selected for Stage C, having completed Stages A and B, during which the company defined a technical concept for a utility-scale quantum computer and developed a detailed research and development roadmap.

In Stage C, DARPA will independently test IonQ's hardware and software against its technical roadmap. The initiative is designed to determine whether quantum computing systems can reach utility scale, defined as the point where computational value exceeds cost.

"Advancing to Stage C is a significant vote of confidence in IonQ's technology roadmap and architecture for delivering quantum computing at utility scale," said Niccolo de Masi, IonQ chairman and CEO.

Chris Ballance, IonQ president of quantum computing, said the company's approach centers on manufacturing simplicity. "The path to scale isn't more complexity — it's stripping complexity out, so systems can be manufactured, deployed, and operated reliably at volume," he said.

IonQ is headquartered in College Park, Maryland, and has operations across North America, Latin America, Europe, the Middle East, Africa, and Asia-Pacific.