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Certificate Authority Service

Simplify the deployment and management of private CAs without managing infrastructure.

View documentation for this product.

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Certificate Authority Service is a highly available, scalable Google Cloud service that enables you to simplify, automate, and customize the deployment, management, and security of private certificate authorities (CA).

What's new

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Simpler deployment and management

Simplify the deployment, management, and security of your enterprise PKI with a cloud service that helps to automate time-consuming, risky, and error-prone infrastructure tasks, freeing you to focus on higher-value projects.

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Tailored for you

Customize Certificate Authority Service to your needs by configuring custom CAs and certificates, enforcing granular access controls, automating common tasks with APIs, and integrating with your existing systems.

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Have peace of mind knowing that your CA service is highly available, scalable, backed by an SLA, auditable, and ready to help you achieve compliance with advanced hardware and software security controls.

Product demonstrations

The section shows use-case specific demos for Certificate Authority Service.

Set up a CA in seconds

The demo video shows that Certificate Authority Service can be used to create a CA very quickly.
CAS setup and demo

CA Service setup

CA Service use cases

Visit our YouTube playlist and watch short videos highlighting different use cases and how-tos, including supporting hybrid environments, policy controls, and more.
Woman on screen next to title "Better Security in your service mesh with CAS"


Deploy in minutes

Create a private CA in minutes versus the days and weeks that it takes to deploy and operate your own CA. Leverage descriptive RESTful APIs to acquire and manage certificates without being a PKI expert.

Focus on higher-value tasks

Offload time-consuming tasks like hardware provisioning, infrastructure security, software deployment, high-availability configuration, disaster recovery, backups, and more to the cloud.

Pay-as-you-go or subscribe

Help lower your total cost of ownership and simplify licensing with pay-as-you-go pricing and zero capital expenditures. Pay only for what you use. Also, for high volume certificates, consider subscription for even less expensive alternatives.

Customize to your needs

Scale from simple to advanced use cases by configuring the root CA (e.g. existing on-premises or cloud), custom key sizes and algorithms, location (region) of the CA, bring your own cloud KMS key, and more. Manage, automate, and integrate private CAs and certificates in the way that’s most convenient for you: via APIs, gcloud command line, or cloud console.

Support compliance with various regulations

Have confidence that your CAs are approved as part of ISO 27001, 27017, 27018, SOC1, SOC2, SOC3, BSI C5, and PCI DSS.

Enforce granular access controls

Define granular, context-aware access controls and virtual security perimeters for CA Service with Cloud IAM and VPC Service Controls. Leverage certificate templates and per user-group policies to achieve even more granular control over certificate issuance.

Protect your keys in an HSM

Store your CA keys using Cloud HSM, which is FIPS 140-2 Level 3 validated and available in regions across the Americas, Europe, and Asia Pacific.

Audit user activity

Obtain tamper-proof logs and gain visibility into who did what, when, and where with Cloud Audit Logs.

Scale with confidence

Scale with confidence knowing that the service provides high query throughput, can issue millions of certificates, and comes with an enterprise-grade SLA. Scale even higher by grouping a few CAs under a CA pool and let Google load balance certificate requests across them 

Our customers

Click below to learn how our customers are using Certificate Authority Service in their environments.


Migrate your on-premises PKI to cloud leveraging our partner solutions that integrate with Certificate Authority Service.


There are two pricing options available: pay-as-you-go and subscription. If you plan to deploy more than 1 million certificates per year, consider our subscription model for more attractive pricing. 

View pricing details

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Simplify the deployment and management of private CAs without managing infrastructure.

Need help getting started?
Work with a trusted partner
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