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Finland’s Coherence Quantum has raised €2.78 million in seed funding led by Lifeline Ventures, with participation from technology entrepreneur Mårten Mickos. The Aalto University spinout plans to establish an Espoo lab and develop prototypes and manufacturing capabilities for cryogenic signalling and control systems used with solid-state quantum processors.
Finland’s Coherence Quantum has raised €2.78 million in seed funding to develop cryogenic signalling and control infrastructure for solid-state quantum computers. The round was led by Lifeline Ventures, with technology entrepreneur Mårten Mickos also participating; the company plans to use the capital to build a laboratory in Espoo, develop product prototypes and manufacturing processes, continue research and development, and hire staff.
The company is developing an integrated platform for managing signals between control electronics and quantum processors operating at very low temperatures. Its initial work focuses on cryogenic signal conditioning, which the company says is intended to help protect the qubit environment from thermal noise and other disturbances. It is also working on higher-density signal interfaces and aims to move more control functions inside the cryostat, closer to the quantum processing unit.
Coherence Quantum says its technology originates in research at Aalto University’s Quantum Computing and Devices group. The company reports that its team has spent more than two years on focused research and experimental development, producing and testing multiple generations of cryogenic prototypes. According to the company, testing included dilution refrigerators and qubit systems. These are company-provided details; the funding announcement does not include independent performance measurements or product specifications.
The founding team includes CEO and co-founder Aashish Sah, CTO Suman Kundu and chief product officer Erkki Soininen. The company describes Kundu as an experimental quantum physicist who played a key role in building and setting up Aalto University’s 20-qubit Q20 quantum computer. Soininen previously held a product leadership role at cryogenics company Bluefors. Aalto professor Mikko Möttönen is a founding adviser. The announcement does not disclose the company’s valuation or the terms of the round.
The Wiring Challenge Behind Qubit Growth
Quantum processors need control and readout signals to operate, and increasing the number of qubits can increase the number of connections and supporting components required. In cryogenic systems, those components must work within tight space and cooling limits, while the processor’s environment must be kept cold and protected from disturbances. Coherence Quantum is targeting this supporting infrastructure rather than announcing a new quantum processor.
If the company can turn its research into reliable, manufacturable products, its components could address one constraint that hardware developers face as they work toward larger systems. The potential relevance is tied to whether the platform can manage signals and heat without adding comparable complexity. The funding announcement describes the company’s goal, not proof that its approach has solved the scaling challenge or improved the performance of a commercial quantum computer.
The round will fund early company-building steps: an Espoo research and development lab, prototypes, manufacturing development, continued research and hiring. Those activities may help the company move from experimental prototypes toward products that quantum-computing developers can evaluate. No customer agreements, product launch date or revenue figures were disclosed.
cryogenic signal conditioning system
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From Aalto Research to a Startup
Coherence Quantum is a spinout from Aalto University’s Quantum Computing and Devices group, and it is establishing its facilities in Espoo, Finland, near the university and the country’s quantum technology ecosystem. The company’s stated focus is the cryogenic infrastructure around solid-state processors: the equipment and interfaces that deliver control signals and return measurements while keeping the processor within its required operating environment.
The company frames its development in stages: start with signal conditioning, build higher-density interfaces, and work toward more integrated cryogenic control. Its longer-term ambition is to help create a standardised blueprint for the cryogenic signalling and control stack, combining its own technology with complementary systems from across the quantum industry. That is an aspiration, not an established industry standard.
In the funding announcement, Lifeline Ventures described the infrastructure around quantum processors as a scaling challenge. Investor Petteri Koponen said the company was pursuing “a fundamental part of that problem.” Mickos also framed the technology as support for larger systems. Those comments explain the investors’ rationale; they are not independent assessments of the technology’s performance.
“Quantum computers won’t scale by adding qubits alone. The infrastructure around them has to scale too.”
— Aashish Sah, CEO and co-founder of Coherence Quantum
quantum computer control electronics
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Product Performance and Commercial Plans
The announcement does not provide product specifications, measured performance results, pricing or a commercial release schedule. It also does not identify customers, partnerships or pilot deployments. While Coherence Quantum says its prototypes have been tested in dilution refrigerators using qubit systems, it gives no test data or independent validation that would show how the prototypes compare with existing approaches.
The company has not disclosed the funding round’s valuation, the share of the company sold or how many staff it intends to hire. It is also unclear how quickly the planned lab and manufacturing process will be ready, or what milestones the company must meet before its technology can be adopted by quantum-computer builders. The stated goal of a standardised control-stack blueprint remains a long-term ambition.
cryogenic control system for quantum processors
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Espoo Lab and Prototype Development
The company says the funding will support establishing its Espoo lab, building initial product prototypes and developing manufacturing processes. It also plans to continue research and development and expand its team. The announcement does not give dates for completion or identify a specific next product milestone.
Further evidence of progress will depend on details the company has not yet shared, including prototype specifications, test results, manufacturing readiness and any customer evaluations. Those developments would help clarify whether the technology can move from research and experimental testing toward products for quantum-computing systems.
solid-state quantum computer components
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Key Questions
How much did Coherence Quantum raise?
The Finnish company raised €2.78 million in a seed round announced on October 20, 2026.
Who invested in the seed round?
Lifeline Ventures led the round, and technology entrepreneur Mårten Mickos participated. The announcement does not name other investors.
What does Coherence Quantum make?
It is developing cryogenic signalling and control infrastructure for solid-state quantum computers. Its stated work includes signal conditioning, higher-density interfaces and, over time, more control functions closer to the quantum processor.
What will the funding pay for?
The company says it will establish a lab in Espoo, build prototypes and manufacturing capabilities, continue research and development, and grow its team.
Has Coherence Quantum announced a product launch or customers?
No launch schedule or customer agreements were disclosed in the announcement. The company says it has tested multiple generations of cryogenic prototypes, but it did not publish performance data or commercial milestones.
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