# Arqit

Arqit is a cybersecurity company based in the United Kingdom, founded in 2016. It has 3 products listed on CybersecTools.

> Arqit provides quantum-resistant symmetric key agreement software for enterprise and gov.

Source: https://cybersectools.com/companies/arqit · Updated February 2026

## Quick facts

- Category: [Quantum Security](https://cybersectools.com/categories/quantum-security)
- Type: Product vendor
- Headquarters: United Kingdom
- Founded: 2016
- Products listed: 3
- Ownership: Public company (ARQQ)
- Website: [arqitgroup.com](https://arqitgroup.com/)

## What does Arqit do?

Arqit is a cybersecurity company that develops and delivers quantum-resistant encryption software through its SKA-Platform (Symmetric Key Agreement Platform). The company focuses on protecting organizations against both current cryptographic vulnerabilities and future quantum computing threats by eliminating reliance on traditional Public Key Infrastructure (PKI).

Arqit's core product is a software-only, cloud-based key agreement platform that provisions, authenticates, and distributes quantum-safe symmetric encryption keys to endpoints. The platform operates through lightweight virtual agents installed on endpoints, which communicate with Arqit's multi-tenanted cloud infrastructure to generate and agree on session encryption keys without transmitting those keys over the network. This split-trust cloud architecture is central to their security model.

The platform supports deployment as either a Private Instance (PI) or as a Platform as a Service (PaaS), and is compliant with NIST, FIPS 140-3, ISO 27001, and ISO/IEC 11770-2.2018 standards. Its protocols have been formally verified using the Tamarin prover method by the Surrey Centre for Cyber Security.

Arqit targets enterprise and government customers and integrates with existing OEM infrastructures including VPNs, firewalls, cloud providers, IoT devices, telcos, and networks. The platform supports cryptographic agility, meaning it can adapt to evolving algorithms and standards without requiring changes to underlying infrastructure. It also provides centralized policy management and endpoint group controls.

The company positions its approach as a complement to post-quantum algorithms (PQAs), with customers able to opt for symmetric-only key provisioning, not requiring PQAs at all.

Categories: [Quantum Security](https://cybersectools.com/categories/quantum-security), [Network Security](https://cybersectools.com/categories/network-security), [Cloud Security](https://cybersectools.com/categories/cloud-security), [Data Protection](https://cybersectools.com/categories/data-protection)

## Arqit products

- [Arqit Encryption Intelligence](https://cybersectools.com/tools/arqit-encryption-intelligence): Crypto risk assessment & PQC migration planning platform for enterprises. (commercial)
- [Arqit NetworkSecure](https://cybersectools.com/tools/arqit-networksecure): Quantum-safe VPN hardening via on-demand encrypted key orchestration. (commercial)
- [Arqit SKA-Platform](https://cybersectools.com/tools/arqit-ska-platform): Quantum-safe key agreement platform for securing comms across endpoints. (commercial)

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