AppCheck helps organisations reduce cyber risk, meet compliance requirements and keep pace with evolving threats. Our platform delivers continuous testing across your attack surface with the depth of a manual penetration test, uncovering vulnerabilities unique to your systems across web applications, APIs and infrastructure. Born from a UK-based penetration testing organisation, AppCheck combines over 20 years of testing expertise with a first-principles approach that goes beyond known vulnerability signatures to test complex and authenticated applications. • Discover: Gain visibility across your attack surface, including forgotten assets and third-party exposure. • Assess: Find and validate vulnerabilities with the depth and rigour of a manual penetration test. • Take action: Prioritise real-world risk and focus resources on what needs fixing first. With unlimited scans and users per licence, teams can test continuously without additional charges for each scan, backed by direct UK-based support from security specialists. Get your free scan today at appcheck-ng.com
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The AppCheck Ltd annual revenue was $9.2 million in 2026.
Lloyd Devey is the CEO of AppCheck Ltd.
89 people are employed at AppCheck Ltd.
The NAICS codes for AppCheck Ltd are [54151, 518, 5415, 541512, 54, 541, 51].
The SIC codes for AppCheck Ltd are [73, 737].