You could choose to store your organization's keys on the Google Cloud using the Google KMS. The pricing of the KMS depends on the number of keys and the number of operations, and you can see that even for a large number of both. The bill works out to a relatively modest $600/month, as shown in the following screenshot:
![](https://static.packt-cdn.com/products/9781788834308/graphics/assets/8f4d96be-c67b-4578-9886-981fccd07061.png)