Phaidra

IT InfrastructureSeries BSeattle, USphaidra.ai

Latest round

Series B

Last raised

Oct 2025

Total raised

$98M

Investors

13

About Phaidra

, based in the US, specializes in artificial intelligence-driven control systems aimed at optimizing industrial facilities, particularly data centers, through advanced integration with existing automation systems. Founded in 2019 and headquartered in Seattle, US, Phaidra, Inc. develops AI control solutions for critical industrial applications. In October 2025, Phaidra, Inc. Phaidra specializes in providing artificial intelligence-driven control systems designed to optimize mission-critical facilities, particularly in the industrial sector, including data centers. The company's core offerings include a closed-loop AI control service that integrates with existing Building Automation Systems (BAS) and Building Management Systems (BMS), allowing for real-time optimization without the need for new hardware. These systems utilize deep reinforcement learning to enhance plant stability, energy efficiency, and sustainability, addressing key challenges such as reducing downtime risks and CO2 emissions. Phaidra's technology is aimed at various sectors including technology giants like Google and ST Telemedia Global Data Centres, highlighting its applicability in both large-scale industrial environments and broader energy management applications.Phaidra's revenue model is predominantly based on business-to-business (B2B) transactions, facilitating partnerships with industrial clients for the deployment of its AI control systems. Clients typically engage through subscription-based agreements that provide ongoing access to Phaidra's software and support services, ensuring continuous optimization and improvement of operational efficiency. The company's flagship offerings enable clients to achieve significant energy savings and enhanced operational performance, further solidifying their value proposition in the marketplace. Specific pricing structures or plans are tailored to meet the needs of individual clients, reflecting the customizable nature of Phaidra's technology. These arrangements establish long-term relationships with clients, ensuring that operational benefits are sustained over time while addressing the pressing need for sustainable practices in industrial operations.

Who invested in Phaidra

13 investors across 5 rounds

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Funding rounds

  1. Series B

    Oct 1, 2025

    Amount

    $50M

    Investors

    Locked

  2. Series A

    Jul 2, 2024

    Amount

    $12M

    Investors

    Locked

  3. Series A

    Apr 21, 2022

    Amount

    $31M

    Investors

    Locked

  4. Series A

    May 24, 2021

    Amount

    $4M

    Investors

    Locked

  5. Seed

    May 28, 2020

    Amount

    $1.5M

    Investors

    Locked

Questions about Phaidra

Who invested in Phaidra?

Phaidra has 13 investors on record across 5 venture rounds. Sign up free to see every VC on the cap table and the rounds they joined.

How much funding has Phaidra raised?

Phaidra has raised 5 venture rounds. Sign up free to see how much each round raised and the total.

When did Phaidra last raise money?

Phaidra's most recent round on record is a Series B, in Oct 2025.

What does Phaidra do?

, based in the US, specializes in artificial intelligence-driven control systems aimed at optimizing industrial facilities, particularly data centers, through advanced integration with existing automation systems.

Where is Phaidra headquartered?

Phaidra is headquartered in Seattle, US.

Which VCs invest in companies like Phaidra?

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

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