SentinelOne vs Unit21

SentinelOne has a disclosed valuation of $4.7B, while Unit21's valuation is not publicly available, making a direct size comparison difficult. SentinelOne employs 2800 people.

Unit21 has raised $75M 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 Unit21's 60/100. The Awaira Score is a composite metric factoring in valuation, funding, stage, team size, and market presence — a 16-point gap that reflects meaningful differences in scale or traction.

SentinelOne was founded by Tomer Weingarten in 2013. Unit21 was founded by Trisha Kothari in 2018. Visit each company's profile on Awaira for a full founder biography.

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. Unit21: Unit21 provides a fraud and risk operations platform that enables compliance and fraud teams at financial institutions and fintechs to build, test, and deploy transaction monitoring rules and machine learning models without requiring data science resources. The platform covers transaction fraud, account takeover, ACH and check fraud, and anti-money laundering (AML) case management in a unified workflow.\n\nThe company raised approximately 75 million USD and serves hundreds of financial services customers including neobanks, payment processors, crypto exchanges, and traditional banks looking to modernize legacy fraud operations with configurable, model-driven risk infrastructure. Unit21 no-code rule builder allows risk analysts to respond to new fraud patterns within hours rather than weeks.\n\nFinancial fraud losses in the United States exceed 10 billion USD annually and are growing as faster payment rails reduce the window for detection. Unit21 competes with legacy vendors like NICE Actimize and SAS as well as newer entrants including Sardine and Alloy, differentiating through its analyst-friendly interface and the speed with which risk teams can iterate on detection logic without engineering dependencies.

SentinelOne was founded first in 2013, giving it 5 years of additional market experience. Unit21 was founded later in 2018. In AI, even a year or two of head start can translate into significantly more training data, customer relationships, and institutional knowledge.

SentinelOne has approximately 2800 employees, while Unit21 has approximately 100-500. A larger team often signals higher revenue or venture backing, but in AI, smaller teams are increasingly capable of building at scale.

Yes, SentinelOne and Unit21 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.