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CircuitHub, an electronics manufacturer, raised a $28 million Series A, CEO Andrew Seddon tells Axios Pro exclusively.

The big picture: Physical hardware startups have captured venture interest, sparking demand for the manufacturing infrastructure to support them.

How it works: Engineers can upload circuit board designs, and CircuitHub provides instant quotes and can automate the back-end production process.

"We typically ship fully assembled circuit boards back to customers in two to three days instead of two to three weeks," Seddon says.

Its customers span a number of spaces, including robotics and drones. 

Follow the money: Plural led the round for the Boston-based company, which will help CircuitHub expand manufacturing capacity beyond Massachusetts and open a U.K. facility this summer.

"We have been capacity limited for the last couple of years now," Seddon says. "Keeping up with demand has been the primary challenge for us."

By the numbers: Median time between funding rounds for manufacturing-focused defense companies has compressed from about 21 months to 13 months as startups raise earlier, according to PitchBook.

Investment in those startups has jumped from roughly $500 million annually in 2022 and 2023 to $2.6 billion in 2024 and $4.7 billion across 39 deals in 2025.

What we're watching: Seddon says the company also plans to expand into more full-service electronics manufacturing, adding services like testing, general assembly and other operations customers need to build products like drones and robots.

Exclusive: CircuitHub raises $28M to scale electronics manufacturing

The company can ship fully assembled circuit boards in a matter of days.

Illustration of a hundred dollar bill as a circuit board.

CircuitHub, an electronics manufacturer, raised a $28 million Series A, CEO Andrew Seddon tells Axios Pro exclusively.The big picture: Physical hardware startups have captured venture <a class="gtmContentClick" data-vars-link-text="interest" data-vars-click-url="https://www.wsj.com/articles/venture-investment-in-physical-ai-surges-b46528f4" data-vars-content-id="baad20d0-4b4e-4afd-a401-1498b6a229b2" data-vars-headline="Exclusive: CircuitHub raises $28M to scale electronics manufacturing" data-vars-event-category="story" data-vars-sub-category="story" data-vars-item="in_content_link" href="https://www.wsj.com/articles/venture-investment-in-physical-ai-surges-b46528f4" target="_blank">interest</a>, sparking demand for the manufacturing infrastructure to support them.

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Exclusive: CircuitHub raises $28M to scale electronics manufacturing

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