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Arqit competitors & alternatives
The 12 closest competitors and alternatives to Arqit among cybersecurity companies — ranked by similarity to what Arqit actually does, not by market-cap band.
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About Arqit
Arqit supplies a unique quantum-safe symmetric key agreement encryption platform designed to secure communications links for networked devices against future cryptographic threats.
Arqit at a glance
Arqit is a cybersecurity company headquartered in United Kingdom, founded in 2017. Its most recent funding round, Seed, closed in March 2018.
Arqit funding rounds
Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Seed | Undisclosed | — |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Top 12 Arqit competitors
Ranked by semantic similarity — how close each company is to Arqit by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Similar cybersecurity company
KATIM is a secure communication technology provider headquartered in Abu Dhabi, United Arab Emirates, that designs secure-by-design platforms to advance digital solutions.
Similar cybersecurity company
Pantherun Technologies is an Indian cybersecurity innovator headquartered in Bangalore that has developed a patented real-time data encryption and protection hardware-agnostic algorithm.
Similar cybersecurity company
ANKATech provides ANKASecure, a post-quantum cryptography and crypto-agility orchestration platform designed to help enterprises transition to quantum-resistant encryption without code rewrites.
Similar cybersecurity company
American Binary is a U.S.-based computer and network security company founded in 2019 that develops post-quantum cryptography (PQC) and quantum-resilient networking solutions. The company provides a quantum-safe networking platform designed to maximize throughput and minimize latency, with a flagship product that includes the Ambit Client VPN.
Similar cybersecurity company
SQE Holdings LLC provides quantum-secure cybersecurity solutions utilizing keyless cryptographic technology to protect devices, data, and communications for enterprises, developers, and individuals. Its offerings include Web3 development tools, secure messaging applications, and compliance solutions designed to defend against advanced cyber threats.
Similar cybersecurity company
HEQA Security is an Israel-based cybersecurity company founded in 2018 and formerly known as QuantLR. The company specializes in safeguarding data communication against existing and emerging threats from quantum computers by delivering production-grade quantum-safe appliances that integrate Quantum Key Distribution with a Post-Quantum Cryptography overlay.
Similar cybersecurity company
High Entropy Security Holdings, Inc. develops advanced cryptographic and cybersecurity solutions designed to protect distributed networks, autonomous systems, and strategic information against post-quantum threats. Utilizing patented technologies such as true random number generation and error-free ephemeral key generation, the company serves the defense, cryptocurrency, and IoT sectors.
Cybersecurity & VPN Services
PrismGuard provides a privacy-focused VPN service featuring multiple proprietary transports, post-quantum encryption options, and built-in threat protection.
Similar cybersecurity company
SSH Communications Security Oyj provides cybersecurity products and solutions focused on privileged access management, secure file transfer, and quantum-safe encryption. The company serves technology-driven enterprises, financial institutions, and organizations requiring secure, credential-less access and encrypted connectivity for critical infrastructure and dynamic environments.
Similar cybersecurity company
Chelpis Quantum Corporation is a technology pioneer headquartered in Taipei, Taiwan. The company specializes in post-quantum cryptography, quantum-safe secure data transmission, and blockchain security solutions. It develops advanced cryptographic products to protect digital infrastructure against future quantum computing threats.
Similar cybersecurity company
Enveil, Inc. is a pioneering privacy-enhancing technology company that provides data security solutions to protect data in use across untrusted environments.
Similar cybersecurity company
Cylake provides an AI-native cybersecurity platform delivered as on-premises hardware appliances designed for air-gapped and sovereign environments. The company's solution offers complete data visibility, fine-grained policy enforcement, threat detection, and investigations without requiring an internet connection or cloud connectivity.
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