Fastest-growing IAM companies, Q3 2026

Keyfactor provides PKI (Public Key Infrastructure) and machine identity management solutions for enterprises. The company helps organizations manage and secure cryptographic identities across devices, workloads, and digital transactions through certificate lifecycle automation and PKI-as-a-Service offerings.

NewCore is an identity security company focused on governing both human and non-human (AI agent) identities within enterprise environments. The company emerged from stealth with $66 million in funding and targets the growing challenge of securing agentic AI workforces alongside traditional human users.

• Agentic SSO: Provides AI agents with a governed, auditable authentication entry point to connected resources, replacing browser-based MFA and…
• Task-Scoped Tokens: Issues short-lived, narrowly scoped tokens tied to a specific task rather than an agent's permanent role, preventing accumulation…
• AI Inventory: Discovers and tracks human and AI agents, their interactions, and maintains a full audit trail.

Hush Security provides a platform for secretless access in machine-to-machine interactions. The company addresses the security challenges created by long-lived credentials, tokens, and secrets scattered across distributed cloud environments and modern infrastructure.

The platform is designed for modern distributed architectures where traditional secret-based access models create complexity and security risks.

WorkOS provides developer-focused authentication and identity infrastructure that enables software companies to add enterprise-ready features to their applications. Its platform includes APIs for Single Sign-On (SSO), SCIM-based directory sync, multi-factor authentication, audit logs, role-based access control, and User Management, allowing engineering teams to implement enterprise security requirements without…

Act is a cybersecurity company that provides a cloud access and attack path visualization platform focused on enforcing least privilege and eliminating excessive permissions across cloud environments. The platform maps attacker entry points through to production data, surfacing step-by-step access chains that security teams can review and act upon.

• Attack simulation that runs in read-only mode and deploys in under 5 minutes
• Identification of real attack scenarios within a customer's actual environment
• Visualization of access chains covering external trust relationships, data exfiltration paths, AI agent permissions, vibe-coding risks, and…
• Enforcement of least privilege by identifying over-granted permissions and providing actionable remediation guidance

Didit is an AI-focused company that develops identity verification and digital identity solutions for businesses and individuals. The company positions itself as building the identity layer of the internet, providing a modular identity platform designed for the AI era.

The platform offers identity verification services that enable businesses to verify their users' identities, with over 1,000 companies reportedly using their solutions.

Linx Security is an identity security and access management company that provides a unified platform designed to consolidate identity lifecycle management across security, governance, and access management functions.

• Identity lifecycle management across human and non-human identities (NHIs)
• Identity governance and administration (IGA)
• Access management and entitlement oversight
• Agentic identity security, covering AI agents that operate autonomously across enterprise systems

Saviynt provides cloud-based identity governance and access management (IGA) solutions for enterprises. The company's platform addresses identity security challenges by managing access controls, governance, and compliance across organizations. Their solution secures over 100 million identities at global enterprises across various industries including automotive, retail, energy, insurance, and healthcare sectors.

Okta provides Identity-as-a-Service (IDaaS) solutions through two main platforms. The Okta Platform focuses on workforce identity management, securing access for employees, contractors, and partners while managing the complete identity lifecycle including governance, access management, and privileged accounts.

Founded in 2009 by Todd McKinnon and Frederic Kerrest, the company established the Identity-as-a-Service market category. Okta serves two-thirds of the Fortune 100 companies, over 40% of the Forbes Global 2000, and thousands of other organizations globally.