Post Quantum vs SentinelOne

SentinelOne has a disclosed valuation of $4.7B, while Post Quantum's valuation is not publicly available, making a direct size comparison difficult. SentinelOne employs 2800 people.

Post Quantum has raised $30M in disclosed funding across 0 known rounds. SentinelOne's funding history is not publicly available.

SentinelOne holds the higher Awaira Score at 76/100, compared to Post Quantum's 45/100. The Awaira Score is a composite metric factoring in valuation, funding, stage, team size, and market presence — a 31-point gap that reflects meaningful differences in scale or traction.

Post Quantum was founded by Andersen Cheng in 2009. SentinelOne was founded by Tomer Weingarten in 2013. Visit each company's profile on Awaira for a full founder biography.

Post Quantum: Post Quantum develops cryptographic security products designed to withstand attacks from quantum computers, offering post-quantum encryption protocols, secure communications applications, and identity verification technology that protect data against both classical and quantum computing threats. The London company is among the longest-established organisations in the quantum-safe cryptography market, having focused on this security category before it gained mainstream attention following NIST post-quantum cryptography standardisation efforts.\n\nThe company raised approximately $30 million in venture funding and counts government agencies, financial institutions, and critical infrastructure operators among its clients. Post Quantum products include an encrypted communications app and a software library implementing post-quantum cryptographic primitives, as well as consulting services for organisations planning cryptographic migrations. The company has participated in NATO and government procurement processes for quantum-safe communications.\n\nPost Quantum competes with Quantinuum, IBM Quantum Safe, and PQShield in the post-quantum cryptography market, as well as larger cybersecurity vendors integrating quantum-safe features into existing product suites. The NIST finalisation of post-quantum cryptography standards in 2024 significantly accelerated enterprise and government planning for cryptographic migration, expanding the commercial opportunity for specialist vendors. The harvest now decrypt later threat model, where adversaries collect encrypted data today to decrypt once quantum computers mature, is creating compliance urgency in defence, financial services, and national security organisations. SentinelOne: SentinelOne is a cybersecurity company founded in 2013 that specializes in endpoint protection and threat detection using artificial intelligence and machine learning. The company develops autonomous endpoint protection platforms designed to detect, prevent, and respond to cyberattacks in real-time. Its core product suite includes Singularity, an AI-powered platform that provides behavioral threat detection, incident response automation, and endpoint visibility across organizational networks. The company operates in the AI security category, leveraging machine learning models to identify previously unknown threats and malicious behaviors without relying solely on signature-based detection methods. SentinelOne's technology focuses on autonomous response capabilities, enabling systems to contain threats automatically before human intervention becomes necessary. SentinelOne went public in February 2021 on the New York Stock Exchange under ticker symbol S. As of the latest valuation data, the company is valued at approximately $4.7 billion. The company serves enterprises across various sectors requiring robust endpoint security solutions, competing with established vendors like CrowdStrike, Microsoft Defender, and Kaspersky in the crowded endpoint protection market. The company has demonstrated steady growth trajectory since its IPO, expanding its customer base and product capabilities. SentinelOne continues developing its AI-driven security platform to address evolving threats and expand market presence. SentinelOne distinguishes itself through autonomous response automation that enables endpoints to contain threats without human intervention.

Post Quantum was founded first in 2009, giving it 4 years of additional market experience. SentinelOne was founded later in 2013. In AI, even a year or two of head start can translate into significantly more training data, customer relationships, and institutional knowledge.

Post Quantum has approximately 1-50 employees, while SentinelOne has approximately 2800. A larger team often signals higher revenue or venture backing, but in AI, smaller teams are increasingly capable of building at scale.

Yes, Post Quantum and SentinelOne are direct competitors — both operate in the AI Security space and likely target overlapping customer segments. This comparison is especially relevant for buyers evaluating both platforms.