Raising a Series B or later in deep tech.
Later rounds fund manufacturing, deployment and new markets. Investors check that unit costs are falling, revenue is real and the capital plan reaches self-sufficiency without endless rounds.
Deep tech
Deep tech investors judge three things before anything else: a technical breakthrough with a clear path to proof, a plan that turns long R&D timelines into funded milestones, and a market that will pay once the science works.
What later-stage investors expect in deep tech
By Series B the conversation moves from science to scale and capital efficiency.
Revenue from real deployments
- Products shipping to paying customers
- Repeat orders or long-term supply agreements
- A pipeline beyond the first application
Costs falling with scale
- Unit cost tracked against volume
- Yields, reliability and field data improving
- A capital plan for facilities or equipment
A smart capital stack
- Equipment financing or project debt where it fits
- Government contracts or loans that reduce dilution
- A finance leader who can manage grants, debt and equity together
How the round comes together
Later deep tech rounds are led by larger venture and growth funds, with strategics and government money alongside.
- 1 · A larger fund leads
- 2 · Insiders and strategics
- 3 · Government and families
Multi-stage VCs
Often leads
Large venture funds lead most Series B and later deep tech rounds.
Corporate VCs
Often follows
Strategics invest at scale to secure supply or future products.
Family offices
Sometimes
Patient families take larger positions once revenue is proven.
Grants & non-dilutive
Sometimes
Government contracts and programs can fund facilities and deployment.
Preferences start to matter
Deep tech companies often raise many rounds before profit, so preferences stack up. Model how liquidation preferences split a sale at different prices, and weigh debt or government money that reduces dilution.
The slides investors read first
Revenue
Shipping products, orders and pipeline.
Unit cost
Cost curve against volume, with data.
Capital plan
Equity, debt and grants to self-sufficiency.
Team
The leaders who will run manufacturing and sales.
The plan
What the round buys and the path to profit.
Questions founders ask
Should deep tech companies use debt at Series B?
Often for equipment or facilities, once revenue is steady. It can reduce dilution, but adds repayment risk. Match the debt to assets or contracts that can carry it.
How do investors view repeated delays in deep tech?
Delays are expected; surprises are not. Show your track record against past timelines and explain what changed when you slipped.
Sources
Sources: government research grant program guidance; university technology transfer practices; investors' published criteria; industry reports. Editorial content, reviewed quarterly. Not financial or legal advice.
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