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Sparrow Quantum
On-chip single-photon sources for quantum technologies.
About Sparrow Quantum
Sparrow Quantum is a Danish quantum technology company dedicated to advancing light-matter interfaces for quantum technologies. The company is widely recognized as a leader in single-photon sources, demonstrating the world's highest light-matter coupling efficiency. The unparalleled technology of Sparrow Quantum offers researchers and developers of quantum technology systems access to essential building blocks for scaling up advanced quantum technology applications in information processing and communication.
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Application areas include secure quantum communication, photonic quantum computing, and quantum repeaters for the quantum internet. Sparrow Quantum's technology results from over two decades of pioneering research by founder Prof. Peter Lodahl and his Quantum Photonics Group, which is part of the Center for Hybrid Quantum Networks (Hy-Q) at the prestigious Niels Bohr Institute (NBI) in Copenhagen, Denmark.
At a glance
- Status
- Operational
- Founded
- 2015
- Headquarters
- Copenhagen, Denmark
- Employees
- 72
- Open positions
- None listed
- Dealroom signal
- 92.3/100
- Sector
- Semiconductors, Quantum Computing, Chips, Spinout, EIC, Quantum Computers, EIC Fund, Future of Computing, Semiconductor Designers and Manufacturers, Chips and Processors
- Technology
- Hardware, Deep Tech, Quantum Technologies
- Business model
- Manufacturing
- Client focus
- b2b
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| GRANT✓Other financing | Aug 2026 | $330K | — | Undisclosed | ↗ |
| SERIES A✓Equity / VC | Dec 2025 | $6.6M | $118M | Scale Capital · North Ventures · LIFTT | ↗ |
Financials
Revenue, earnings and other financial measures where available. Years marked “E” are estimates.
Growth signals
Latest recorded traffic for Sparrow Quantum is 16K monthly website visits, up 788.9% over the last three months. Sparrow Quantum's team grew 24.1% over the past year.
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Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed4 investors entered at this stage
Seier Capital
European Innovation Council
2xN
LIFTT
Series A6 investors entered at this stage
EIC Fund
PensionDanmark
Novo Holdings
Export and Investment Fund of Denmark
Scale Capital
North Ventures
Other known investors2 additional known investors
MassChallenge
University of Copenhagen
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Sparrow Quantum on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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