Nominal Raises $240M Series C at $3B to Bring AI to Hardware Testing

Nominal, an Austin-based startup that builds AI software for testing and engineering complex hardware, has raised $240 million in a Series C at a $3 billion valuation. The round, announced on Monday, November 9, 2026, was led by Lightspeed Venture Partners with Insight Partners co-leading. The new valuation is three times what the company was worth in March, as investors pour money into AI tools for defence and advanced manufacturing.

What happened?

Nominal confirmed the $240 million Series C on November 9. TechCrunch reported that Lightspeed led the deal and Insight Partners co-led it. SiliconANGLE listed the other participants as Lux Capital, Sequoia, General Catalyst, Founders Fund, Avenir, Salesforce Ventures, M13 and Lockheed Martin Ventures.

The round values Nominal at $3 billion. In March 2026 the company raised money at a $1 billion valuation in a pre-emptive round led by Trae Stephens of Founders Fund, so its value has tripled in roughly eight months.

Neither report said how Nominal plans to spend the new money.

What does Nominal do?

Nominal makes software for the engineers who test physical machines: aircraft, rocket engines, autonomous vehicles, drones, nuclear reactors, energy systems and smart factories.

The problem it targets is not a lack of data. Test campaigns already produce huge amounts of sensor readings, logs, video and simulation output. The hard part is pulling all of that together to understand how a machine actually performed and what needs to change. Engineers often have to stitch results together from separate systems by hand.

Nominal’s answer is what it calls the AI Intelligence Platform. According to SiliconANGLE, it has four layers:

• Engineering applications that connect to the tools teams already use.
• Agent infrastructure for running AI agents on engineering work.
• Data that brings test results, documentation and requirements into one place.
• The physical world, through connections to sensors on the hardware being tested.

On top of that sits Nominal Analyst, an AI agent that examines test data and grounds its analysis in the underlying evidence. Engineers can ask it to investigate performance, compare one test with another and check results against requirements. The platform connects to other software through APIs, the Model Context Protocol (MCP) and SQL, and developers can build their own apps, workflows and agents on it.

Co-founder and chief executive Cameron McCord, a former US Navy submarine officer who previously worked at Anduril, framed the product as support rather than replacement. “Engineers stay in command, with purpose-built AI helping them do their best work,” he said, as quoted by SiliconANGLE.

Who uses Nominal?

Nominal says more than 80 commercial and government organisations use its platform, including five of the seven largest defence contractors. Named customers include:

• Anduril Industries, the defence company co-founded by Trae Stephens.
• Huntington Ingalls Industries (HII).
• Hermeus.

In October 2026 Nominal also won a $71.2 million STRATFI award from the US Air Force, TechCrunch reported. STRATFI is an Air Force programme that requires matching funds from outside the Air Force.

Why it matters

Most of the AI funding boom has gone to software: chatbots, coding tools and AI agents for office work. Nominal is part of a smaller but fast-growing group of startups aiming AI at physical engineering, where testing a single rocket engine or aircraft can take months and huge budgets.

Defence spending is a big driver. Several of Nominal’s customers are defence companies, and Lockheed Martin Ventures, the venture arm of the US defence group, joined this round. PFM Today recently covered another large defence deal, Shield AI’s agreement to buy Echodyne and raise new capital at a $28.8 billion valuation.

The round also fits a wider pattern of AI startups tripling their valuations within a year. Serval, for example, went from $1 billion to $3 billion in about ten months.

What happens next?

With $240 million of fresh capital, Nominal is likely to expand its AI agents and push deeper into defence, aerospace and energy customers, though it has not published a detailed spending plan. Key things to watch are how quickly it converts its Air Force award into wider government work, and whether more commercial manufacturers adopt AI agents for hardware testing alongside defence contractors.