Twelve German deep-tech startups building real hardware
Photonic processors, e-fuel plants, wildfire satellites, graphene chips and heat batteries: twelve young German companies whose products you can weigh, install or launch.
Germany's start-up reputation abroad still rests on a handful of software names. Yet the more interesting story of the past five years is happening in clean rooms, chemical parks and satellite integration halls. A new generation of founders, many of them former doctoral researchers, is building physical technology: chips that compute with light, plants that make jet fuel from CO2, robots that learn on the factory floor. What follows is a selection of twelve, each checked for status as of November 2026, each still headquartered in Germany, and each with something you can actually touch. Funding figures are those the companies or their investors announced; valuations are left out deliberately.
Compute and chips
1. Q.ANT, Stuttgart: computing with light
Q.ANT builds photonic processors on thin-film lithium niobate, a crystal better known from telecom modulators. Its Native Processing Unit plugs into a standard server through PCIe and performs matrix operations in the optical domain. What most people do not know: the company was founded in 2018 inside TRUMPF, the family-owned laser and machine-tool group, rather than at a university, and TRUMPF still invests. The second-generation chip now runs at the Leibniz Supercomputing Centre and the Jülich Supercomputing Centre, and in May 2026 the cloud provider IONOS announced it would offer Q.ANT servers to commercial customers. The company's claim of up to 30 times better energy efficiency is measured at circuit level and remains a vendor figure. Our profile of the NPU explains the detail.
2. Black Semiconductor, Aachen: graphene on top of silicon
Black Semiconductor, founded in 2020 by brothers Daniel and Sebastian Schall, adds graphene optical devices in the wiring layers of finished chips, so that data can travel between processors as light. Its June 2024 financing of 254.4 million euros was overwhelmingly public: 228.7 million came from the federal government and North Rhine-Westphalia under the EU's IPCEI microelectronics programme. The company's published plan runs from a 300 mm pilot line in 2026 to targeted volume production in 2031, a long runway that investors should price in.
3. SEMRON, Dresden: AI chips that compute in memory
SEMRON stores neural network weights as variable capacitance and computes inside those memory arrays, which it plans to stack in many layers. The goal is to run large models on phones and headsets at a few hundred milliwatts. SPRIND, the federal agency for breakthrough innovation, contributed to its 7.3 million euro seed round in 2024 after SEMRON took part in SPRIND's New Computing Concepts challenge. A demonstrator is under way in an EU-funded project running to the end of 2026, so treat performance claims as design targets for now.
4. Ferroelectric Memory Company, Dresden: a discovery rescued from Qimonda
FMC turns hafnium oxide, already present in every modern transistor, into a ferroelectric material that remembers its state without power. The surprising origin: the effect was discovered in 2007 at Qimonda, the Dresden memory maker that collapsed in 2009, and the research survived at NaMLab, an institute linked to TU Dresden, before FMC was spun out. In November 2025 it announced roughly 100 million euros, including a 77 million euro Series C led by HV Capital and the federal DeepTech and Climate Fund. Its DRAM+ and 3D CACHE+ products target AI data centres and are meant to be made in existing 300 mm fabs.
5. eleQtron, Siegen: quantum computing with microwaves
eleQtron builds trapped-ion quantum computers, but steers its ions with microwaves and magnetic field gradients instead of the dense laser optics most rivals use. The company, a 2020 University of Siegen spin-off, counts the German Aerospace Center and Forschungszentrum Jülich among its customers and reported an order backlog of more than 54 million euros when it closed a 57 million euro Series A in May 2026. An unexpected backer: the round was led by Schwarz Digits, the IT arm of the group that owns Lidl and Kaufland.
Energy and materials
6. INERATEC, Karlsruhe: jet fuel from CO2
INERATEC, a 2016 spin-off of the Karlsruhe Institute of Technology, shrank refinery chemistry into container-sized modules. Its ERA ONE plant at Frankfurt-Höchst opened in June 2025 with capacity for up to 2,500 tonnes of e-fuels a year. The detail most coverage skips: ERA ONE uses CO2 from a neighbouring waste biogas plant and hydrogen that is a by-product of chlorine production in the same industrial park, so it plugs into existing flows rather than waiting for new electrolysers. Financing has included a Series B announced at over 129 million US dollars and a 70 million euro EIB and Breakthrough Energy Catalyst package.
7. cylib, Aachen: recycling batteries down to the graphite
cylib recovers lithium, graphite, nickel, cobalt and manganese from end-of-life EV batteries with a water-based process developed at RWTH Aachen. Founded in 2022, it raised a 55 million euro Series A led by Porsche Ventures and Bosch Ventures, received a 26.1 million euro EU grant in 2025, and is building at Chempark Dormagen. In July 2026 it bought an idle pre-processing plant in Wernberg-Köblitz, Bavaria, out of an insolvency, with up to 10,000 tonnes a year of capacity and a planned restart in the fourth quarter, subject to permits. Graphite recovery matters because supply of that material is concentrated in China.
8. Kraftblock, Sulzbach: heat stored at 1,300 °C
Kraftblock stores heat in a granulate made largely from recycled steel slag and releases it as steam, hot air or thermal oil at up to 1,300 °C. Where you have already met it: at PepsiCo's Lay's crisp factory north of Amsterdam, where the first 70 MWh of storage replaces gas boilers, and at Tata Steel's sintering plant in Jamshedpur, India, where two units recover waste heat with projected savings of about 22,000 tonnes of CO2 a year. Founded in 2014, the Saarland company raised a 20 million euro Series B led by Shell Ventures in 2023. See our product profile.
Space
9. OroraTech, Munich: a fire alarm in orbit
OroraTech operates thermal-infrared satellites that detect wildfires through smoke and at night. Three of its founders met at TUM and developed the idea in the WARR student group that built the MOVE-II CubeSat. With the launch of FOREST-20 in October 2026 the network reached 20 satellites in orbit, and in May 2026 four OroraTech-built satellites launched as Greece's first national wildfire constellation. Its FOREST satellites are spread across orbital planes so that regions are seen during the afternoon peak of fire activity.
10. Reflex Aerospace, Berlin: satellites to order
Reflex Aerospace builds custom small satellites for imaging and sovereign missions. Founded in Munich in 2021 and now based in Berlin, it flew its first satellite, SIGI, on SpaceX's Transporter-12 in January 2025. Its 50 million euro Series A in November 2025 was described by the company as the largest in European New Space, and in September 2026 it won its first US customer, Orbital, for an orbital data centre constellation.
Robots that learn
11. Sereact, Stuttgart: a foundation model for robot arms
Sereact sells robot cells, but its core asset is Cortex, a vision-language-action model that lets an arm pick, pack and assemble unfamiliar objects. Founded in 2021 by University of Stuttgart alumni Ralf Gulde and Marc Tuscher, it had more than 200 systems live in Europe and over one billion real production picks by April 2026, when it raised a 110 million US dollar Series B led by Headline. Customers include BMW, Daimler Truck and PepsiCo.
12. RobCo, Munich: robots from a kit
RobCo assembles industrial robots from modular joints and links, teaches them by demonstration, and rents them to mid-sized manufacturers as a service. Its founders came from TUM's chair of robotics and AI. Since 2025 it has operated in San Francisco and Austin, and in early 2026 it raised a 100 million US dollar Series C co-led by Lightspeed and Lingotto with Sequoia participating.
What connects them
Three patterns stand out. First, provenance: at least eight of the twelve trace directly to a university or research institute, and one, Q.ANT, to an industrial parent. Second, public money is structural rather than incidental, from IPCEI semiconductor grants to EU Just Transition funds and state development banks such as L-Bank and NRW.BANK. Third, the most credible signals are industrial partners rather than headline rounds: DEUTZ building ARX Robotics ground vehicles in Ulm, IONOS buying photonic compute, Tata Steel installing Saarland heat storage. For investors, that is where to look first.
Hardware is also slow and capital hungry, and not every story ends well; our companion analysis on why these founders cluster around Munich, Aachen and Dresden looks at Lilium and Volocopter as reminders. For related coverage see our profiles of NEURA Robotics, planqc and Isar Aerospace.
Sources
- Q.ANT: Q.ANT raises 62 million
- Photonics Online: Q.ANT takes photonic AI computing commercial
- TNW: Black Semiconductor raises 254.4m
- SPRIND: SEMRON secures seed financing
- eeNews Europe: Dresden memory start-up to debut
- DCD: FMC raises 100m
- Quantum Computing Report: eleQtron Series A
- Chemical Engineering: Ineratec begins production
- Recycling International: cylib wins EU grant
- Solarserver: Tata Steel uses Kraftblock storage
- Wikipedia: OroraTech
- Reflex Aerospace: Company history
- Sifted: Sereact Series B
- Munich Startup: RobCo Series C