What Cavero Quantum does

Cavero Quantum is a UK-based cybersecurity company founded in 2024 to commercialise post-quantum cryptographic protocols developed at the University of Leeds since 2011. The company's core proposition is quantum-safe security for constrained environments — SIM cards, IoT sensors, and embedded devices — where NIST-approved PQC algorithms such as ML-KEM are too computationally heavy to run. Its portfolio rests on two proprietary technologies: Symmetrikey, a quantum-safe key exchange protocol built on Ring Learning With Errors (RLWE) combined with correlation filtering, which the company benchmarks at 35% faster than ML-KEM; and Authentikey, described as the world's first Continuous Trust Verification Protocol, which provides mutual endpoint authentication via a shared ledger of key exchanges with self-rotating secrets. Both protocols are delivered through the Cavero Cryptographic Library v1, currently in beta.

The business model is partnership-led technology licensing: Cavero does not sell directly to end customers but rather licenses Symmetrikey and Authentikey to authentication service providers, mobile network operators (MNOs), hardware manufacturers, and IoT providers, who integrate the cryptographic core into their own products. Revenue streams are structured as licensing/royalties on partner integrations and a subscription/beta-access model for the cryptographic library. Target verticals span telecoms, IoT/industrial devices, defence and national security, financial services, fraud and identity management, and government services — all use cases where long-lifecycle devices are exposed to harvest-now-decrypt-later threats.

Operationally, Cavero Quantum is registered as Cavero Quantum Limited in England (company number 13028884), headquartered at Nexus, Discovery Way, Leeds, and employs 1-10 people. The leadership team comprises CEO James Trenholme, Chairman Jeremy Lewis (appointed May 2026), co-founder and CTO Dr. Frey Wilson, and co-founder Professor Ben Varcoe. The company closed a £2.2M seed round in June 2024 led by Foresight Group and Northern Gritstone and has publicly signalled a Series A target of Q1 2027. Strategic partnerships include ZARIOT (March 2026) for SIM-level IoT security integration and ETSI membership (May 2026) for European PQC standards development. Revenue is not disclosed, no paying customers are named, and the cryptographic library remains in beta as of 2026.

Name

Cavero Quantum

Legal name

CAVERO QUANTUM LIMITED

Website

https://caveroquantum.com

Company type

Private

Founded year

2024

Operating status

Operating

Headcount range

1–10 employees

Short description

Cavero Quantum is a UK cybersecurity company that licenses Symmetrikey and Authentikey, proprietary post-quantum cryptographic protocols designed to deliver quantum-safe key exchange and mutual endpoint authentication on SIM cards, IoT sensors, and other constrained devices, to telecoms, IoT, defence, financial services, and government partners.

Ownership category

akta.pro rank

Product category

Post-Quantum Cryptography Software

NAICS

Computer Systems Design and Related Services (54151), Security Systems Services (except Locksmiths) (561621)

SIC

Services-Computer Programming Services (7371)

akta.pro primary industry

Quantum-Safe Cryptographic Algorithms & Protocols (PQC) (HDAGAGAC)

akta.pro secondary industries

Quantum-Safe Hardware & Embedded Security (TPM/secure elements/firmware) (HDAGAGAJ), Quantum-Secure Network & Transport Encryption (VPN/TLS/IPsec/MACsec) (HDAGAGAF), Quantum-Safe Secure Messaging & Data-in-Transit Protection (HDAGAGAH), Quantum Cryptography Integration & Interoperability (Standards/APIs/Testbeds) (HDAGAGAK)

Keywords

• Post-quantum cryptography
• Quantum-safe key exchange
• Endpoint authentication protocols
• SIM card security
• IoT device cryptography

Headquarters

HQ city

Leeds

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations

Revenue model

1. Technology Licensing: Cavero Quantum licenses its Symmetrikey and Authentikey technologies to partners who integrate them into their products and services. Partners can co-create new products, platforms, and revenue models using the quantum-safe core.
2. Cavero Cryptographic Library (Beta): The company offers access to its Cavero Cryptographic Library in beta testing, which enables partners to implement Authentikey and Symmetrikey in their products.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels5 records

Core offering

Cavero Quantum develops and licenses post-quantum cryptography software for constrained environments such as SIM cards, IoT sensors, and embedded devices. Its two core technologies are Symmetrikey (a quantum-safe key exchange protocol) and Authentikey (a Continuous Trust Verification Protocol for mutual endpoint authentication), delivered through the Cavero Cryptographic Library to partners who integrate them into identity, security, and connectivity products.

Product overview

Cavero Quantum is a cybersecurity company specializing in post-quantum cryptography solutions for constrained environments including SIM cards, IoT sensors, and embedded devices. The company offers a portfolio of quantum-safe security products anchored by two core technologies: Symmetrikey (a quantum-safe key exchange protocol) and Authentikey (the world's first Continuous Trust Verification Protocol for mutual endpoint authentication). These products are delivered via the Cavero Cryptographic Library and are designed to be lightweight enough for deployment on SIM cards while maintaining strong quantum-resistant security. The company positions itself as pioneers in PQC for constrained devices, with their Symmetrikey protocol demonstrating 35% faster performance than NIST-approved ML-KEM.

Differentiator

Problem solved

Functional benefit

Products and services

• Symmetrikey Quantum-safe key exchange protocol using Ring Learning With Errors (RLWE) with correlation filtering inspired by Quantum Key Distribution. Proven to be up to 35% faster than ML-KEM and capable of running in constrained environments including SIM cards, embedded devices, and IoT sensors. Designed as a drop-in replacement for ECDH for partners integrating PQC into telecoms, IoT, defence, government, and financial products.
• Authentikey The world's first Continuous Trust Verification Protocol, providing mutual endpoint authentication using identical private ledgers of key exchanges. Supports quantum-safe encryption, offers perfect forward secrecy and break-in recovery, and acts as a self-rotating secret replacement for static keys and certificate-based authentication. Compatible with Symmetrikey, ML-KEM, and ECDH for crypto-agility.
• Cavero Cryptographic Library A software library (v1 beta) that enables implementation of Authentikey using choice of quantum-safe keys (Symmetrikey, ML-KEM, or ECDH). Provides API calls and example apps with stubs for integration by partners building quantum-safe products.

Quantifiable outcome

• 35% faster than ML-KEM in benchmark tests
• +2 more outcomes

Segments6 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Two partnerships are on record, tiered minor and core.

• ETSI (European Telecommunications Standards Institute)minorOthers · 8 May 2026Cavero Quantum became a member of ETSI to contribute to the development of standards for post-quantum cryptography in Europe. The company is particularly focused on standards for PQC, non-human identity trust frameworks, and solutions tailored for telecoms use cases including SIM card security.
• ZARIOTcoreTechnology or Integration · 2 March 2026ZARIOT partnered with Cavero Quantum to integrate post-quantum cryptographic capability directly at the SIM level, extending quantum-safe authentication and encryption to constrained IoT environments. The collaboration enables IoT deployments to address quantum-era security risks without hardware replacement, working alongside ecosystem partner Wadaro to make Cavero's capabilities available within ZARIOT's secure connectivity framework.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• PQShield: UK-based specialist in post-quantum cryptography for hardware, embedded, and IoT environments, including SIM and secure elements. Directly comparable to Cavero Quantum given overlapping product focus on PQC for constrained devices and similar UK academic roots.
• Post-Quantum: Provides quantum-safe encryption, identity, and authentication solutions to governments and enterprises. Comparable to Cavero Quantum on quantum-safe key exchange and authentication, though focused more on identity/document security than constrained devices.
• Crypto4A Technologies: Provides quantum-safe hardware security modules and cryptographic infrastructure. Comparable to Cavero Quantum as a specialist in quantum-safe key management and authentication, though Crypto4A focuses on HSM form factor rather than SIM-level software.

Emerging players

• Qrypt: Offers quantum-safe encryption services using quantum entropy sources and PQC algorithms. Comparable to Cavero Quantum on quantum-safe key exchange, with overlapping telecom and enterprise security use cases but a different underlying entropy approach.

Broad incumbents

• IBM Quantum Safe: IBM's quantum-safe cryptography portfolio covering PQC algorithms, services, and tooling across the enterprise stack. Comparable to Cavero Quantum as a PQC provider but operating as part of IBM's much broader portfolio rather than specializing in constrained-device use cases.
• SandboxAQ: Enterprise-focused quantum and AI security company offering PQC, cryptographic inventory, and quantum-safe communications. Comparable to Cavero Quantum on quantum-safe authentication and key management, but at much broader scope and scale.
• Thales: Global vendor of hardware security modules, SIM and eSIM solutions, and encryption products with a major presence in telecoms and defence. Comparable to Cavero Quantum on SIM/embedded security and quantum-safe key management, though as part of a much wider portfolio.
• IDEMIA: Major provider of SIM cards, eSIMs, and secure connectivity solutions to MNOs and IoT providers worldwide. Comparable to Cavero Quantum as a SIM-level security vendor, with deep MNO relationships that Cavero lacks.
• Cloudflare Post-Quantum: Cloudflare has integrated post-quantum key exchange (ML-KEM) across its network and product suite. Comparable to Cavero Quantum on quantum-safe key exchange and TLS/network security, though Cloudflare operates at internet-scale as part of a much broader CDN/security portfolio.
• Quantinuum: Major quantum computing company that has also commercialized quantum cybersecurity products including Quantum Origin (quantum random number generation) for key generation. Comparable to Cavero Quantum on quantum-derived security primitives, but with significantly greater scale and capital.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/caverosecure

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds1 record

Investors2 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Cavero Quantum