AP

AppCheck

AppCheck Ltd

Leeds, United Kingdom

Application SecurityNetwork SecurityCloud SecurityThreat Intelligence
Founded 2014Serves Enterprise, SMB, Public Sector
Profile last updated: August 15, 2026

About

Founded in 2014, AppCheck is a cybersecurity company based in Leeds, United Kingdom working in application security, network security, cloud security +1 more.

AppCheck is a UK-based software security vendor offering a security scanning platform that automates the discovery of security flaws in websites, web applications, APIs, networks and cloud infrastructure. Its scanning technology is developed and maintained by penetration testing experts and uses a first-principles methodology intended to replicate manual penetration testing. The product range includes DAST scanning for web applications and single page applications, API security scanning, infrastructure scanning, third-party dependency monitoring (Trust Monitor) and a vulnerability intelligence feed (VulnFeed). Licensing is offered through a partner program and a direct sales team, with models scaled for SMEs, education, public sector and large enterprises. The company was authorised as a CVE Numbering Authority. It states that its platform has been used by over a thousand organisations.

Location

Leeds, United Kingdom

Founded

2014

Company type

Limited company

Legal name

AppCheck Ltd

Registration

06888174

Focus areas

DASTAPI securitySPA scanningweb application scannervulnerability managementpenetration testing automationthird-party riskCVE Numbering Authority

Languages

EN

Services & products

Security domains

Application SecurityNetwork SecurityCloud SecurityThreat Intelligence

How they deliver

Software

Products

AppCheck Web Application Scanner

DAST

Automated dynamic application security testing platform that crawls web applications, handles authentication, and detects vulnerabilities, including CMS and single page applications.

AppCheck API Scanner

API security scanning

Scans REST, SOAP, WSDL and GraphQL APIs using schema-based, context-aware testing to identify API vulnerabilities.

AppCheck Infrastructure Scanner

Vulnerability scanning

Detects vulnerabilities across networks, data centres and cloud infrastructure.

AppCheck SPA Scanner

DAST

Headless browser-based scanner for single page applications that maps navigation and client-side interactions.

Trust Monitor

Third-party risk monitoring

Maps and tracks third-party scripts, domains, APIs and SaaS services that live web applications depend on, and alerts on new or unexpected dependencies.

VulnFeed

Vulnerability intelligence

Feed of known and actively exploited vulnerabilities, reviewed by the AppCheck team with remediation advice.

Customers

EnterpriseSMBPublic Sector

Compliance & partners

Compliance frameworks

GDPR

Credentials & affiliations

Certifications

CVE Numbering Authority

Issued by: Common Vulnerabilities and Exposures Program

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