Alternatives to QuantumSecure
The top Post-Quantum Cryptography companies similar to QuantumSecure, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
Quantinuum66Quantum ComputingBroomfield, United States$1.2B
SandboxAQ64Artificial IntelligencePalo Alto, USA$63.0M
ENQODE28DataTel Aviv, Israel$1.0M
HEQA Security27EnterpriseTel Aviv, Israel
KETS Quantum Security24CybersecurityBristol, United Kingdom- Quantum Communications21CybersecurityTel Aviv, Israel$1.0M
Vanta75CybersecuritySan Francisco, United States$154.0M
ActiveFence70New MediaTel Aviv, Israel$185.0M- SQSquareX70SecuritySan Francisco, United States
anecdotes65EnterpriseNew York, United States$85.0M
Artemis Global Technologies62CybersecuritySan Francisco, United States$85.0M
Noma Security59EnterpriseTel Aviv, Israel$132.0M
JupiterOne57CybersecurityCary, USA$3.0M
AuthMind57EnterpriseSan Francisco, United States$30.8M
Qunnect57Quantum ComputingNew York, United States$32.0M- SUSublime Security55CybersecuritySan Francisco, United States$191.0M
Falkor55Business IntelligenceSan Francisco, United States- TETectonic Security54EnterpriseSan Francisco, United States$2.0M
Hakimo54CybersecurityTel Aviv, Israel$10.0M
Runlayer53SecuritySan Francisco, United States$22.0M
Lunar.dev53EnterpriseTel Aviv, Israel$6.0M
Trail Security52EnterpriseSan Francisco, United States
Quantum Xchange51Post-Quantum CryptographyBethesda, United States$23.5M
DeepKeep49CybersecurityTel Aviv, Israel$10.0M
Torch Security49CybersecurityLeawood, United States
Field Effect49CybersecurityOttawa, Canada
Secret Double Octopus48EnterpriseTel Aviv, Israel$24.5M
Ent AI48CybersecuritySan Francisco, United States$112.0M
Onyxia47EnterpriseTel Aviv, Israel$5.0M- NANATO Innovation Fund45DefenseAmsterdam, Netherlands$1.0B
Vigilant AI45CybersecuritySan Francisco, United States$740K
Rainguard AI45EnterpriseSan Francisco, United States
Yourco44Data PrivacySan Francisco, United States$63.0M- SESeemetrics43CybersecurityTel Aviv, Israel$7.0M
RedAccess40CybersecurityTel Aviv, Israel$1.5M
Validia39CybersecurityTel Aviv, Israel
Magellanic35Identity ManagementTel Aviv, Israel- FOFortanix35CybersecuritySanta Clara, United States$121.0M
Paradigm Security34EnterpriseSan Francisco, United States- Phi-Coherent .33Quantum Computing
LatticaAI30Encryption$3.3M
Cybernox AI28CybersecurityTel Aviv, Israel
NetScout Systems27EnterpriseWestford, United States
Xcitium18CybersecurityBloomfield, United States
Auditty18EnterpriseTel Aviv, Israel
Aemetis15Climate TechCupertino, United States
Aquila Security13CybersecurityAzor, Israel
Multifactor12Artificial IntelligenceSan Francisco, United States
CYBERMIND LABS10CybersecurityTel Aviv, Israel- PHPhishing Defense AI5CybersecurityTel Aviv, Israel
- POPost-Quantum4CybersecurityUnited Kingdom
KeltusCustom Software Development- DraveraAI GovernanceSan Francisco, United States$1.5M
- .Tensor SecuritySecurityתל אביב - יפו, Israel
- CyberoffenseCybersecurityTel Aviv, Israel$1.5M
- OpenkmsFintech
Cisco95Internet of Things (IoT)San Jose, United States$220.0B
Broadcom91SemiconductorsPalo Alto, United States$143.0B
Armis Security85EnterpriseSan Carlos, United States$847.0M
Kaseya85SMB SoftwareMiami, United States$100.0M
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Quantinuum | Quantum Computing | Broomfield, United States | $1.2B | 66 |
| SandboxAQ | Artificial Intelligence | Palo Alto, USA | $63.0M | 64 |
| ENQODE | Data | Tel Aviv, Israel | $1.0M | 28 |
| HEQA Security | Enterprise | Tel Aviv, Israel | — | 27 |
| KETS Quantum Security | Cybersecurity | Bristol, United Kingdom | — | 24 |
| Cybersecurity | Tel Aviv, Israel | $1.0M | 21 | |
| Vanta | Cybersecurity | San Francisco, United States | $154.0M | 75 |
| ActiveFence | New Media | Tel Aviv, Israel | $185.0M | 70 |
| SQSquareX | Security | San Francisco, United States | — | 70 |
| anecdotes | Enterprise | New York, United States | $85.0M | 65 |
| Artemis Global Technologies | Cybersecurity | San Francisco, United States | $85.0M | 62 |
| Noma Security | Enterprise | Tel Aviv, Israel | $132.0M | 59 |
| JupiterOne | Cybersecurity | Cary, USA | $3.0M | 57 |
| AuthMind | Enterprise | San Francisco, United States | $30.8M | 57 |
| Qunnect | Quantum Computing | New York, United States | $32.0M | 57 |
| SUSublime Security | Cybersecurity | San Francisco, United States | $191.0M | 55 |
| Falkor | Business Intelligence | San Francisco, United States | — | 55 |
| TETectonic Security | Enterprise | San Francisco, United States | $2.0M | 54 |
| Hakimo | Cybersecurity | Tel Aviv, Israel | $10.0M | 54 |
| Runlayer | Security | San Francisco, United States | $22.0M | 53 |
| Lunar.dev | Enterprise | Tel Aviv, Israel | $6.0M | 53 |
| Trail Security | Enterprise | San Francisco, United States | — | 52 |
| Quantum Xchange | Post-Quantum Cryptography | Bethesda, United States | $23.5M | 51 |
| DeepKeep | Cybersecurity | Tel Aviv, Israel | $10.0M | 49 |
| Torch Security | Cybersecurity | Leawood, United States | — | 49 |
| Field Effect | Cybersecurity | Ottawa, Canada | — | 49 |
| Secret Double Octopus | Enterprise | Tel Aviv, Israel | $24.5M | 48 |
| Ent AI | Cybersecurity | San Francisco, United States | $112.0M | 48 |
| Onyxia | Enterprise | Tel Aviv, Israel | $5.0M | 47 |
| NANATO Innovation Fund | Defense | Amsterdam, Netherlands | $1.0B | 45 |
| Vigilant AI | Cybersecurity | San Francisco, United States | $740K | 45 |
| Rainguard AI | Enterprise | San Francisco, United States | — | 45 |
| Yourco | Data Privacy | San Francisco, United States | $63.0M | 44 |
| SESeemetrics | Cybersecurity | Tel Aviv, Israel | $7.0M | 43 |
| RedAccess | Cybersecurity | Tel Aviv, Israel | $1.5M | 40 |
| Validia | Cybersecurity | Tel Aviv, Israel | — | 39 |
| Magellanic | Identity Management | Tel Aviv, Israel | — | 35 |
| FOFortanix | Cybersecurity | Santa Clara, United States | $121.0M | 35 |
| Paradigm Security | Enterprise | San Francisco, United States | — | 34 |
| Quantum Computing | — | — | 33 | |
| LatticaAI | Encryption | — | $3.3M | 30 |
| Cybernox AI | Cybersecurity | Tel Aviv, Israel | — | 28 |
| NetScout Systems | Enterprise | Westford, United States | — | 27 |
| Xcitium | Cybersecurity | Bloomfield, United States | — | 18 |
| Auditty | Enterprise | Tel Aviv, Israel | — | 18 |
| Aemetis | Climate Tech | Cupertino, United States | — | 15 |
| Aquila Security | Cybersecurity | Azor, Israel | — | 13 |
| Multifactor | Artificial Intelligence | San Francisco, United States | — | 12 |
| CYBERMIND LABS | Cybersecurity | Tel Aviv, Israel | — | 10 |
| PHPhishing Defense AI | Cybersecurity | Tel Aviv, Israel | — | 5 |
| POPost-Quantum | Cybersecurity | United Kingdom | — | 4 |
| Keltus | Custom Software Development | — | — | — |
| AI Governance | San Francisco, United States | $1.5M | — | |
| Security | תל אביב - יפו, Israel | — | — | |
| Cybersecurity | Tel Aviv, Israel | $1.5M | — | |
| Fintech | — | — | — | |
| Cisco | Internet of Things (IoT) | San Jose, United States | $220.0B | 95 |
| Broadcom | Semiconductors | Palo Alto, United States | $143.0B | 91 |
| Armis Security | Enterprise | San Carlos, United States | $847.0M | 85 |
| Kaseya | SMB Software | Miami, United States | $100.0M | 85 |