Keyfactor

Overview

Keyfactor (founded 2001, backed by Sixth Street and Insight) is a leading certificate lifecycle automation and PKI-as-a-service vendor, and the steward of EJBCA, the widely used open-source certificate authority, and SignServer. That combination makes it both a management layer and, through EJBCA, a CA in its own right, giving it broad standing in the PKI and certificate lifecycle category and machine identity more generally.

What it is good at

Certificate lifecycle automation at enterprise scale is the core strength: network and endpoint discovery, automated issuance and renewal, and policy enforcement across large, mixed fleets. EJBCA gives Keyfactor real CA credibility and supports private PKI, IoT, and even quantum-ready use cases. Crypto-agility is a focus, helping teams inventory and rotate keys ahead of algorithm changes and post-quantum migration. Strong governance and audit and flexible SaaS or self-hosted deployment round it out.

Where it falls short

Keyfactor is firmly enterprise-focused, so small teams that need a handful of public TLS certificates are over-served and will find it heavier and pricier than necessary. Like other CLM platforms, getting full value requires investment in discovery, integration, and policy design. It is not a free, single-purpose tool.

Pricing

Enterprise subscription, quote-based, scaled by certificate volume, modules, and deployment model. EJBCA Community is open source and free to self-operate. Model your real fleet and renewal cadence with the TCO calculator.

Best for, and who should look elsewhere

Choose Keyfactor when you are automating certificate lifecycle at scale, modernizing PKI, or preparing for crypto-agility and post-quantum. For multi-CA orchestration alternatives, compare AppViewX; for a public CA, DigiCert or Sectigo; for lightweight cloud-native private PKI, Smallstep.

Bottom line

A leading choice for enterprise certificate lifecycle automation and PKI modernization, with EJBCA giving it genuine CA depth.