What deeptech investors actually back
Deeptech means companies built on a scientific or engineering breakthrough, not a new business model on top of existing tech. Think robotics, new chips and computing hardware, quantum, advanced materials, fusion and next-generation batteries, space systems and biology you can program.
What ties these together isn't the sector. It's the kind of risk. A software startup mostly has to prove people want the product. A deeptech startup has to prove the thing works at all, then prove it can be built at a cost that makes sense, and only then prove people will buy it. That's three hurdles instead of one, and it usually takes more money and more years to clear them.
So a deeptech investor isn't just someone who likes science. It's someone who's comfortable writing a check before the technical question is settled, and who knows how to judge whether your team can settle it. That's a small group, which is why a focused list beats a general one here.
One practical note: deeptech is a label investors pick for themselves, and many don't. Plenty of people who fund hard science tag themselves by sector instead. The Angel Match robotics list has 7,500+ investors and the hardware list has 15,000+, both far bigger than this one. Use the deeptech list for investors who've said out loud that they want technical risk, then widen to your sector list.
Where deeptech investors are based
A little over two in five deeptech investors in Angel Match are in the United States. That sounds like a lot until you compare it with the full database, where the US makes up about half. Deeptech is a market where Europe punches above its weight.
The United Kingdom comes second with 250+ investors, followed by France, India and Germany with 100+ each. The UK and Germany each take up about twice the share here that they do across the whole database, and France takes up even more. Add the Netherlands, Italy, Spain and Switzerland, and European countries account for about a third of the list.
That lines up with where the money went. Dealroom's European Deep Tech Report 2026 ranks the UK first in Europe for deeptech funding in 2025 at $5.2 billion, ahead of France at $3.9 billion and Germany at $3.2 billion. Same three countries, same order they appear in here.
At city level, San Francisco leads with 250+ deeptech investors, more than twice as many as New York City. That's a flip from the database overall, where New York is the biggest city. London is second and Paris is fourth, ahead of every US city except those two. Bengaluru outranks both Berlin and Boston.
What this means for you: if you're raising in the US, about half of the American investors on this list are in California, so start there. If you're raising in Europe, you've got a deeper local bench than founders in most other markets. Use it for your first round.
Stage and investor type: who writes the checks
Close to nine in ten investors on this list carry the venture capital tag. Only about two in five are tagged as angel investors. Across the whole Angel Match database it's the other way around: angels are about two-thirds and venture capitalists about two in five. Investors can carry more than one tag, so the shares overlap.
It's easy to see why. Angel checks usually run $25,000 to $500,000, and that doesn't go far when you need lab space, equipment and a team of PhDs. Venture checks run from $2 million to $100 million or more, which is closer to what a prototype costs. Angels still matter in deeptech, but mostly as the first money in and as a signal. An angel who's built or researched in your field tells the next investor that someone qualified looked hard at the science.
By stage, the list is early. Nearly two-thirds invest at seed. About two in five carry the early stage venture tag, and about a quarter each invest at pre-seed and Series A. Series B is roughly one in eight. Late-stage investors are barely on the list at all.
Take that as a planning note. This list will get you through your first rounds. The big checks you'll need later to build a factory or run a trial tend to come from growth funds and corporates that don't tag themselves as deeptech. Ask your seed investors early who they'd bring in for that round.
Deeptech funding in 2026: read past the headline
On paper, deeptech has never had more money. Dealroom counts US deeptech funding at $144 billion in 2025, up 92% in a year. But AI model makers account for over half of that US total. If you're building robots, sensors or new materials, that headline number isn't your market.
Europe's numbers tell a steadier story. The same report puts European deeptech funding at $20 billion in 2025, up 21%. Deeptech took 32% of all European venture funding that year, an all-time high and more than double its 15% share in 2015.
Defense is the fastest-moving corner. European defense startups raised a record $1.8 billion in 2025, more than double the 2024 figure. If your technology has a dual-use angle, say so up front. It's a much easier conversation than it was a few years ago.
The catch for European founders is the later rounds. For European deeptech rounds above $15 million, only 54% of the money comes from inside Europe. In the US, the comparable figure is 80%. So your seed will probably be local, and your Series B probably won't be. Start building relationships with US investors a round before you need them.
What deeptech investors look for
Deeptech investors can't judge you on revenue, because you probably don't have any yet. Here's what they look at instead.
- The milestone this round buys. Name the single biggest technical risk and show how this money kills it. "A working prototype outside the lab in 18 months" is a pitch. "More research" isn't.
- Who owns the IP. If your tech came out of a university, investors will ask for the license terms on day one. Have them ready, along with your patent filings.
- A team that covers science and selling. A brilliant technical founder with nobody thinking about customers is a common worry. You don't need a full commercial team, but you need one person who owns that side.
- Proof that someone will pay. Letters of intent, paid pilots and joint development deals all count. They stand in for the revenue you don't have yet.
- A funding plan beyond equity. Grants stretch every investor dollar. In the US, the SBIR and STTR programs were reauthorized in April 2026 and now run through September 2031. Investors like seeing them in your plan.
One more thing: deeptech timelines slip. Budget for your milestone taking longer than planned, then check how many months of runway that leaves you. Running out of cash three months before the prototype works is how a lot of these companies die.
How to approach deeptech investors
Lead with the milestone, in plain English, in the first two lines of your email. The partner reading it may not be the specialist. Give them one sentence they can repeat to the rest of the team on Monday.
Check what they've actually backed. Many investors on this list also fund ordinary software companies, so the tag alone doesn't tell you much. Look at their past investments before you write. If there's a hardware or science company in there with a risk like yours, mention it. If there isn't, expect to do more explaining.
Expect diligence to take longer than a software deal. Deeptech investors often bring in outside experts, visit the lab and ask for raw test data. Get ahead of it by putting your patents, license agreements, test results and grant awards in one data room before the first meeting.
Match the investor's location to the round. For seed, go local first, since an investor who can visit the lab is easier to bring along. For later rounds, widen the search across borders.
And watch how grants and equity mix. The 2026 SBIR law expanded security reviews of applicants' foreign ownership and foreign investors. If SBIR money is part of your plan, think about that before you add overseas investors to your cap table.
Building your deeptech investor list
Deeptech fundraising is a short-list game. There are 2,000+ investors here, most of them seed-stage venture capitalists, clustered in the Bay Area and a few European capitals. Start with the ones who've already backed a technical risk like yours, then work outward by stage and location. You can filter the Angel Match investor database by all three, with plans from $59/month.
Hardware investors
