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How Deep checks works
Founders apply on our site. We vet them for (1) being deeptech and (2) appearing venture backable. We vet using their deck and LinkedIn profiles. We don't conduct interviews with founders; we haven't met the founders beforehand. We filter startups with a light touch, preferring to share more deals than fewer so we don't inject our own bias too much. Every three weeks, we then email the best decks to you. You then login into the page you're viewing now, browse the startups below, and click "Click to copy email" next to one to reach out to the founders directly. In short, we are not Y Combinator; we're a deck filtering program for the benefit of hardware founders. We work really hard to be efficient and respect everyone's time.
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20
One Mission Technologies
$5M - $10M
Valuation
$250K - $1M
Raise
Defense
Strong Defensibility
USA
founder's note about traction
One Mission has defined a product architecture and layout, with a breadboard version, and is on course for a fall prototype. We also have a high confidence opportunity pipeline, established relationships with customers, initial verification and feedback, a Callaborative Research Agreement with Army initiated, and 3 proposals recently submitted to open solicitations.
Direct LinkGalen
$16M - $20M
Valuation
$2M - $4M
Raise
Biotech
Strong Defensibility
USA
founder's note about traction
We narrowed our beachhead focus to the specific problem of "T-cell exhaustion" (aka cell therapy durability). Exhaustion develops when T cells experience persistent antigen and inflammatory stimulation rather than a short, resolving immune challenge. Over 50% of cancer patients now qualify for CAR T-cell therapy, yet only ~20% have successful responses due to this problem. It's highly valuable.
Direct LinkChimera Bioscience
$21M - $25M
Valuation
$4M+
Raise
Biotech
Strong Defensibility
USA
founder's note about traction
-Commercial traction with a potential beachhead opportunity at a large denim company.
-Early revenue generated with a $1.5M+ commercial pipeline.
-Extremely low-cost natural pigment platform enabled by a new technology.
-Major technical breakthrough with our microbial strain; we own the core IP.
Direct LinkGeodesic Labs
$5M - $10M
Valuation
$1M - $2M
Raise
Biotech
Strong Defensibility
Europe
founder's note about traction
We're a pre-nomination therapeutic asset company, raising to secure our data moat. For a company like ours, there would be no LOIs, no revenue, no customer-side proof before the first wet-lab validation. What we know is that pharma is actively paying for causal perturbation biology as a category. This raise funds our first CRISPRi screen, the step that turns our thesis into our own asset.
Direct LinkMyriad Labs
$5M - $10M
Valuation
$250K - $1M
Raise
Biotech
Strong Defensibility
USA
founder's note about traction
We generated $2,500+ in commercial sales pre-funding, serving 10+ paying labs. 15+ labs are using RealNP™, including Thermo Fisher Scientific scientists authoring a joint tech note with us for distribution to their customers and collaborators. Fisher Scientific waived its standard revenue requirement to onboard RealNP™ as a Preferred Partner, enabling promotion through 1,200+ field sales reps.
Direct LinkSensoryx
$26M+
Valuation
$4M+
Raise
Chips
Strong Defensibility
Europe
founder's note about traction
We've secured USD 1M+ in contracted 2026 revenue from 3 customers, validating market demand. Our technology is being adopted through OEM integrations and licensing partnerships with companies including Axon, StretchSense, and Murata, creating scalable recurring revenue opportunities. Initial deployments are focused on defense training and industrial applications, with more in the pipeline.
Direct LinkMolten Dynamics
$5M - $10M
Valuation
Chips
Strong Defensibility
USA
founder's note about traction
We build advanced cooling systems that use liquid metal, 100x more thermally conductive than PG25, and electromagnetic pumps to pull heat away from high-power AI chips. Our closed-loop design removes heat significantly more effectively than water, unlocking multiple times higher power density without requiring a shift to complex two-phase or immersion systems. Because it installs like a traditional cold plate, we offer chipmakers, system integrators, and hyperscalers a drop-in upgrade that boosts reliability and performance without major facility retrofits.
Direct LinkCabomba
$26M+
Valuation
$4M+
Raise
Climate (Hardware)
Strong Defensibility
USA
founder's note about traction
Pre-revenue at TRL 5: issued U.S. patent (No. 12,654,135 B2), 99.9% particle capture at roughly one-sixth the pressure drop of conventional high-efficiency filters. Data centers are the natural beachhead — they can't compromise on filtration, yet conventional high-efficiency filters drive some of their largest operating costs with future growth areas in industrial filtration arena.
Direct LinkTerraFirma Robotics
Under $5M
Valuation
$1M - $2M
Raise
Climate (Hardware)
Strong Defensibility
USA
founder's note about traction
TerraFirma Robotics is pre-revenue with no signed LOIs. We have a flying prototype, production CAD, and aerodynamic validation. Edge AI and the data pipeline are in development. Demand spans wildfire, land management, infrastructure, agriculture, and insurance. We are pursuing design partners and paid pilots.
Direct LinkEnder Technologies
$26M+
Valuation
$4M+
Raise
Defense
Strong Defensibility
USA
founder's note about traction
We’ve generated $220K+ in commercial revenue and grants, validated demand through 300+ customer interviews and 50+ DoW demonstrations, and spent three years developing with the U.S. Army Cyber School. After evaluating our product, the 2ID created a division-wide adoption plan and is working to convert into a 7 figure prototype OTA later this fall.
Direct LinkZero
$16M - $20M
Valuation
$1M - $2M
Raise
Hardware
Strong Defensibility
USA
founder's note about traction
In the past month, we've grown our waitlist to over 10,000 people, $40k in ring pre-orders, in strategic talks with google and events.com to acquire large batch of rings (1k+).
Our main distribution channel is in-person selling at conferences & at workshops.
Raising $3M SAFE @ $20M Valuation. We've got $500k committed, in talks with Dell Ventures, 1521 Capital & Tristan Pollock (Angel).
Direct LinkForg3D
$5M - $10M
Valuation
$2M - $4M
Raise
Hardware
Strong Defensibility
Europe
founder's note about traction
Factory ALPHA in Sheffield is operational, with three Wire-DED cells running and a fourth ordered. We have completed approximately £500k of paid work across aerospace, defence, space and energy, with a further £400k qualified pipeline. We are also developing one forward-deployed pilot, with four more opportunities in discussion. Building on this UK traction, Forg3D is now expanding into the US.
Direct LinkPhotonDx
$11M - $15M
Valuation
$2M - $4M
Raise
Materials
Strong Defensibility
Europe
founder's note about traction
Pre-seed technical validation stage. We have identified strong demand for continuous molecular measurement where current solutions are laboratory-bound, slow, and expensive. Our founder’s expertise in optical biosensors, nanophotonics, and physics-informed ML supports the technical opportunity. We are building our first prototype and preparing for customer validation with biopharma partners.
Direct LinkSciflux
$16M - $20M
Valuation
$2M - $4M
Raise
Medtech (Hardware)
Strong Defensibility
Europe
founder's note about traction
Early revenue from Scripps (35K) for measurement capability. Secured 3 clinical sample partnerships globally at no cost, in a field where sample access is scarce. Roche validated the need + additional patient samples. Completed ethics with private clinic, providing ~300 patient samples (on anti-amyloid therapy). Clinics already use subpar blood tests to monitor, because nothing else exists.
Direct LinkQunett
$11M - $15M
Valuation
Quantum (Hardware)
Strong Defensibility
USA
founder's note about traction
Qunett builds quantum repeaters and routers that secure today's critical networks and connect tomorrow's quantum systems. Our hardware distributes entanglement across existing fiber and satellite links, enabling encryption no computer can break. The same platform interconnects quantum computers and sensors across global distances, enabling the distributed quantum internet. The founding team includes world-leading experts in quantum networking, and the company has already secured over $6M in non-dilutive federal R&D funding, with hardware advancing toward satellite deployment.
Direct LinkShannon
$21M - $25M
Valuation
$1M - $2M
Raise
Quantum (Hardware)
Strong Defensibility
USA
founder's note about traction
We have 15 LOIs spanning quantum software companies, biotech startups, academics, and enthusiasts, a well as a multibillion-dollar financial services firm under NDA. The Stanford Research Institute approached us to participate in a DARPA X-Labs application, which was submitted last week.
Direct LinkCollectedAI
$26M+
Valuation
$1M - $2M
Raise
Robotics
Strong Defensibility
USA
founder's note about traction
Proof of demand comes from three things. Our Vietnam factory goes operational Oct 1st and becomes revenue-generating like a traditional factory, feeding our robots real production data. Nike expects $1.5B in tariff costs this year, and average U.S. apparel tariffs have hit 35.1%. Our Brand Lead, former SVP at Tommy Hilfiger and Calvin Klein, personally vouches for this demand.
Direct LinkAstral Space
$5M - $10M
Valuation
$250K - $1M
Raise
Space
Strong Defensibility
USA
founder's note about traction
LOI's in place with a couple customers, many ongoing conversations with several customers, working towards LOI's/Contracts. Working on a tech demo/pilot mission in mid/late 2027 to fly our own spacecraft and satellite refueling hardware. Have received soft commits and a terms sheet from an investor already.
Direct LinkAstrum Drive
$5M - $10M
Valuation
$1M - $2M
Raise
Space
Strong Defensibility
USA
founder's note about traction
Raised $500k pre-seed plus NSF grant funding. Achieved TRL 6-7 prototypes with validated thrust performance. Filed multiple patents. Secured LOIs from SpaceX, Spacedock, and major satellite operators. 95% founder-owned with clean cap table.
Direct LinkSagitta Borealis Systems
Under $5M
Valuation
$250K - $1M
Raise
Space
Strong Defensibility
USA
founder's note about traction
We are an early-stage deep tech startup. We have an LOI supporting the foundation of the company from AFRL and NRL. The product has been demonstrated and validated at NRL (through the university grant work). Our company currently does not have lab space, but we are working to get lab space in the NYC area. We have $100k nondilutive from Activate fellowship and are working to apply for SBIRs.
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