S
Sparrow Quantum
Semiconductors · Copenhagen, Denmark · Founded 2015
On-chip single-photon sources for quantum technologies. MoreLess
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.
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.
Keywords: Technology Hardware, Photonics Quantum, Quantum Dots, Quantum Technology, Single Photon technology, Quantum Technology Developer.
Company overview
Sparrow Quantum company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2015
- Headquarters
- Copenhagen, Denmark
- Employees
- 72
- Open positions
- None listed
- Dealroom signal
- 92.3
Valuation & funding
Sparrow Quantum 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 | ↗ |
| GRANT✓Other financing | Oct 2025 | $2.5M | — | European Innovation Council | — |
| SERIES A✓Equity / VC | Apr 2025 | $24M | $95M | Novo Holdings · EIC Fund · PensionDanmark · Export and Investment Fund of Denmark | ↗ |
| SEED✓Equity / VC | May 2023 | $4.5M | $18M | 2xN · LIFTT · EIC Fund | ↗ |
| GRANT✓Other financing | Jun 2021 | European Innovation Council | — | ||
| EARLY VC✓Equity / VC | Jun 2021 | EIC Fund | — | ||
| SUPPORT PROGRAMOther financing | May 2021 | MassChallenge | — | ||
| SEEDEquity / VC | May 2016 | Seier Capital | — | ||
| SPINOUT✓Other financing | Aug 2015 | University of Copenhagen | ↗ |
Financials
Revenue, earnings and profit over time
Reported history and available estimates. Estimated years are marked “E”; sparse fields are left blank rather than inferred.
| Year | EBITDA | Margin | Profit | Margin | R&D |
|---|---|---|---|---|---|
| 2026 | −$363K | — | −$1.7M | — | $0 |
| 2025 | −$363K | — | −$1.7M | — | $0 |
| 2024 | −$363K | — | −$1.7M | — | $0 |
| 2023 | −$363K | — | $0 | ||
| 2022 | −$363K | — | |||
| 2021 | −$145K | — | |||
| 2020 | −$14K | — |
Growth signals
Sparrow Quantum website traffic
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.
Comparisons
Sparrow Quantum compared with similar companies
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Talent graph
Sparrow Quantum's talent
Source: Dealroom Talent Intelligence.
Global footprint
Where Sparrow Quantum has talent and traffic
team presence
In the news
Latest news about Sparrow Quantum
Recent press, funding announcements, and product moves mentioning Sparrow Quantum — open to read from the original sources.
Market sentiment
What the market is saying about Sparrow Quantum
An AI-synthesized read of the highest-engagement posts about Sparrow Quantum on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
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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