Flow raises $23M Series A from Sequoia
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Flow is the AI-native systems engineering platform

Intelligence for complex systems

Reason across your entire system

Reason across your entire system

Built on a unified systems graph, the AI reasons directly over your engineering data. Unlike legacy tools with bolt-on AI, this foundation was designed for iteration, verification, and learning in one place.

Reason across your entire system

Find hidden gaps across your system

Quickly understands relationships between requirements, design parameters, and verification. It can trace coverage and expose dependencies that would otherwise take days to find.

Find hidden gaps across your system

Eliminate slow, manual reviews

Instantly analyzes your requirements, architecture, and test data. It identifies vague, unverifiable, or missing items and suggests clear improvements.

Eliminate slow, manual reviews
Security

Runs Securely Within Your Environment

Private Inference
Full audit trail for all AI actions
Configurable for ITAR-aligned deployments

Private Inference

Your data never leaves your workspace. All AI processing happens within Flow’s controlled environment. No data is used for model training, and your compliance requirements stay fully intact.

  • Run AI reviews securely within your own environment
  • Protect proprietary data and IP at every step
  • Maintain compliance without slowing development
Private Inference

More than half of Engineer’s time is spent on non-value add activities. The complexity of systems is increasing, but productivity isn’t. We need a team of 100 to do the work of 1000 - Flow makes this possible.

Design ICD’s and key interfaces

Define and document how system components connect and exchange information to ensure seamless integration.

Spot traceability gaps sooner

Spend more time designing by reducing rework and time spent chasing information.

Create test cases and plans

Build clear scenarios to verify system behaviour and performance against.

Run what if analysis to see the impacts of change

Simulate design modifications to understand their downstream effects before implementation.

Generate 0D and 1D python models for analysis

Automatically produce simplified physics-based models to analyze system behavior and performance.

Double your output Speed Up Critical work

Automate documentation and speed up your review meetings.

Powering the planet's fastest-moving hardware teams

Powering the planet's fastest-moving hardware teams

We work with the next generation of hardware companies building complex systems for space, defense, satellites, robotics, new energy nuclear and fusion technologies.

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Joby Aviation
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Radiant
Backed by top investors & operators

Flow is supported by visionaries driving the new golden age of hardware and by industry leaders who have set the standard for collaboration tools in other fields. Read more

Sequoia
Patrick & John CollisonCEO, Stripe
Kyle ParrishFormer VP Sales, Figma
David Helgason Former CEO, Unity

AI-native systems engineering platform for cross-functional teams

Flow is the AI native platform for modern systems engineering. Lightweight enough for fast iteration and rigorous enough for teams that need clear traceability.

We would love to connect and see how Flow supports complex hardware teams in practice.

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Providing new-age engineering companies with a requirements tool that is built specifically for their needs and allows them to focus on engineering ground breaking products.