SparrowQuantum
SparrowQuantum

SparrowQuantum

Measured by AhrefsDR45Ahrefs DR: 45/100. Above median. Measured by Ahrefs. Median 44.Measured by StartupHub.aiAgent48Agent Readiness: 48/100. Above median. Measured by StartupHub.ai. Median 41.Measured by Google PageSpeedSpeed63Site Speed: 63/100. Above median. Measured by Google PageSpeed. Median 62.Measured by StartupHub.aiTrust82Data Trust: 82/100. Top 25%. Measured by StartupHub.ai. Median 61.

Sparrow Quantum develops and commercializes photonic quantum chip technology, delivering single photons on demand for quantum computing and communication.

2015Active65Copenhagen, Denmark

About

Sparrow Quantum is a Danish company that develops and commercializes photonic quantum chip technology. Their core product, the Sparrow Core, is an on-chip deterministic single-photon source that generates single photons reliably on demand, crucial for scaling photonic quantum computing and secure communication networks. The technology operates at room temperature and is resistant to noise, making it suitable for practical applications.

Key facts

Website
sparrowquantum.com
Headquarters
Copenhagen, Denmark
Founded
2015
Employees
65
Total funding
$33M (Series A)
Business model
B2B

Funding rounds

Funding rounds raised by SparrowQuantum
DateRoundAmountLead investors
10 Apr 2025Series A$22M
11 May 2023Seed$4M2xN
1 Feb 2021Grant$6M
1 Aug 2016Seed$1M

Tech stack

Detected on sparrowquantum.com, last scanned 29 Oct 2026.

Analytics
Google Tag Manager
Support
HubSpot
CMS / Builders
Webflow
CDN
Cloudflare
Email provider
Microsoft 365

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Frequently asked

Is SparrowQuantum trustworthy and reputable?

StartupHub's Data Trust & Reputation score for SparrowQuantum is 82 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.

How much funding has SparrowQuantum raised?

SparrowQuantum has raised a total of $33M in funding. The most recent round on record is Series A.

How many employees does SparrowQuantum have?

SparrowQuantum has approximately 65 people on record.

Public record

SEC filings, insider activity, nonprofit links and pay benchmarks for SparrowQuantum