Flux

ElectronicsSeries BSan Francisco, USflux.ai

Latest round

Series B

Last raised

Feb 2026

Total raised

$37M

Investors

4

About Flux

Founded in 2019 in San Francisco, US, Flux develops a web-based platform for PCB design that enables real-time collaboration among teams. The company was co-founded by Lance Cassidy and Matthias Wagner, who has previously worked in the tech industry. Flux offers an innovative platform for designing printed circuit boards (PCBs) that integrates artificial intelligence to enhance the design process. The core product is a web-based PCB design tool that allows teams to collaborate in real-time, while managing permissions and capturing feedback through comments. This platform caters to engineers and hardware startups, facilitating high-quality PCB layouts and streamlining the routing process. The AI-powered Copilot feature assists users in generating schematic connections and answering component-related questions, reducing reliance on traditional datasheets.Flux operates on a subscription-based revenue model, allowing users to access its PCB design tools on a recurring basis. Clients, including hardware startups and engineering teams, engage with the platform through tailored direct subscriptions that may include different pricing tiers based on features. The AI Copilot feature enhances user experience, providing support and suggestions that could drive higher engagement and retention rates. The company is focusing on enhancing its product offerings with upcoming features designed to improve user experience and efficiency. Additionally, Flux aims to explore expansion into new markets, specifically targeting regions in Asia by the end of 2023, where demand for efficient hardware design solutions is growing.

Who invested in Flux

4 investors across 3 rounds

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Funding rounds

  1. Series B

    Feb 27, 2026

    Amount

    $27M

    Investors

    Locked

  2. Series A

    Oct 13, 2021

    Amount

    $10M

    Investors

    Locked

  3. Series A

    Date not disclosed

    Amount

    Undisclosed

    Investors

    Locked

Questions about Flux

Who invested in Flux?

Flux has 4 investors on record across 3 venture rounds. Sign up free to see every VC on the cap table and the rounds they joined.

How much funding has Flux raised?

Flux has raised 3 venture rounds. Sign up free to see how much each round raised and the total.

When did Flux last raise money?

Flux's most recent round on record is a Series B, in Feb 2026.

What does Flux do?

Founded in 2019 in San Francisco, US, Flux develops a web-based platform for PCB design that enables real-time collaboration among teams.

Where is Flux headquartered?

Flux is headquartered in San Francisco, US.

Which VCs invest in companies like Flux?

Among active investors with capital left to deploy, Andreessen Horowitz, Founders Fund, Accel and Thrive Capital back electronics companies at Flux's stage. Their profiles are linked below.

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