PQShield vs QuSecure
PQShield
Leading Experts in Post-Quantum Cryptography For Software and Hardware "Think openly, build securely"
97 employees · est. 2018 · Oxford, United Kingdom
PQShield is the older company (2018 vs 2019).
Side-by-Side Comparison
| Metric | PQShield | QuSecure |
|---|---|---|
| Founded | ||
| Founded | 2018 older | 2019 |
| Headquarters | ||
| Headquarters | Oxford, United Kingdom | San Mateo, United States |
| Employees | ||
| Employees | 97 | 56 |
| Industry | ||
| Industry | Cyber Security, Quantum | Applications, Cyber Security, Messaging and Telecommunications |
| Funding Stage | ||
| Funding Stage | Series B | Series A |
| Total Funding | ||
| Total Funding | $64.70M | $10.95M |
| Funding Rounds | ||
| Funding Rounds | 8 | 7 |
| Services | ||
| Services | Post-Quantum Cryptography Solutions, Cryptographic Library Development, Hardware Security Products, Secure System Design and Implementation, Consulting on Post-Quantum Transition | QuProtect R3 Platform, QuProtect Recon, QuProtect Resilience, QuProtect Reporting |
| Target Customers | ||
| Target Customers | Semiconductor Manufacturers, Automotive Industry, Network and Telecommunications Providers, Military and Aerospace Organizations, Industrial IoT Integrators, Enterprise Platform Developers, Identity and Payment Technology Providers | Telecom, Finance, Defense, Government Agencies, Financial Service Providers, Infrastructure Operators, Enterprises |
| Taxonomy | ||
| Taxonomy | Post-Quantum CryptographyQuantum-Resistant SolutionsCryptography SolutionsDigital SecurityQuantum Computing Threat MitigationHardware Security +8 | Quantum-Safe SecurityPost-Quantum CryptographyEncryption ModernizationCryptographic Bill Of MaterialsQuantum Threat PreventionSoftware-Based Security Solutions +8 |
| Website | ||
| Website | pqshield.com | qusecure.com |
About PQShield
PQShield, a United Kingdom-based startup founded in 2018, is at the forefront of post-quantum cryptography, focusing on adapting to the forthcoming era where quantum computing poses a threat to traditional cryptographic methods. Leveraging its expertise in both software and hardware solutions, the c...
About QuSecure
QuSecure, the market leader in quantum-safe security, delivers on its slogan, "Post-Quantum Cryptography Made Simple", by offering a groundbreaking solution with its QuProtect R3 platform. Founded in 2019 and headquartered in the United States, QuSecure revolutionizes the approach to encryption mode...
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Compiled from the BounceWatch company index. We last looked at PQShield on 26 Jun 2026, and QuSecure on 8 Dec 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.
