QuintessenceLabs vs Quside
QuintessenceLabs
Securing your world through quantum innovation
46 employees · est. 2008 · Australia
Quside
At Quside, we build quantum technology for safer connectivity and more powerful devices
55 employees · est. 2017 · Barcelona, Spain
QuintessenceLabs is the older company (2008 vs 2017); Quside is the larger of the two.
1 signal in the last 90 days
Side-by-Side Comparison
| Metric | QuintessenceLabs | Quside |
|---|---|---|
| Founded | ||
| Founded | 2008 older | 2017 |
| Headquarters | ||
| Headquarters | Australia | Barcelona, Spain |
| Employees | ||
| Employees | 46 | 55 larger |
| Industry | ||
| Industry | Cyber Security, IT, Quantum | IT, Information Technology, Manufacturing |
| Funding Stage | ||
| Funding Stage | Not tracked yet | Series A |
| Total Funding | ||
| Total Funding | $89.48M | $10.07M |
| Funding Rounds | ||
| Funding Rounds | 14 | 3 |
| Services | ||
| Services | Quantum-Enhanced Cybersecurity, Trusted Security Foundation Key & Policy Management Platform, Quantum True Random Number Generator (QRNG), Entropy as a Service (EaaS) Solution, Quantum Key Distribution (CV-QKD), Quantum Safe Key Distribution, Software Development Kit for Quantum Security | Quantum Random Number Generation (QRNG) modules, Quantum Security Chipsets, Entropy Core for cryptographic foundation, RPUs for accelerated workloads |
| Target Customers | ||
| Target Customers | Chief Information Security Officers (CISOs), Enterprises Focused on Secure Communications, Organizations with Critical and Sensitive Data, Technology Partners in Quantum and Cybersecurity, Financial Institutions Concerned with Data Security | Enterprises, Financial Institutions, Government Agencies, Telecommunication Companies |
| Taxonomy | ||
| Taxonomy | Quantum CybersecurityQuantum Random Number GeneratorKey And Policy ManagementEnterprise EncryptionQuantum Key ManagementQuantum Entropy +9 | Quantum TechnologyEncryption SolutionsConnected DevicesRandom Number GenerationHardware ManufacturingInnovative Technology +5 |
| Website | ||
| Website | quintessencelabs.com | quside.com |
About QuintessenceLabs
QuintessenceLabs is carving a niche in the field of cybersecurity by integrating quantum technology to enhance data protection solutions. Its slogan, "Securing your world through quantum innovation," aptly encapsulates the company's mission. Founded in 2008 and headquartered in Australia, Quintessen...
About Quside
is a quantum technology startup based in Spain, founded in 2017. The company's focus is on building quantum technology for safer connectivity and more powerful devices, as reflected in their slogan: "At Quside, we build quantum technology for safer connectivity and more powerful devices." Quside's...
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Compiled from the BounceWatch company index. We last looked at QuintessenceLabs on 8 Mar 2026, and Quside on 25 Mar 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
