C9 Citizen Vault

Secure Digital Vault

C9 Citizen Vault is a secure and user-friendly digital vault that enables efficient communication between public authorities, citizens and businesses

Seamless Onboarding

Citizen Vault is quick and easy to get started with and we are ready to assist you throughout the onboarding and setup process.

Flexible registration

Users can either choose to give consent to businesses and public authorities one by one, or they can accept to register with all senders at once.

Smart Distribution

Citizen Vault allows you to send messages and documents with REST API or via your interface with no additional integration required.


The C9 Citizen Vault platform gives you the option to style and brand your messages to match your business or corporate visual identity and create your own organisational structures.

A hybrid cloud solution

Built on an AWS Hybrid Cloud Solution, the Citizen Vault platform helps your organisation integrate your on-premises and cloud operation.

Lower Costs

Exchange documents faster while keeping transaction costs down, saving up to 80% of distribution costs.


How it works

Security and Compliance

C9 Citizen Vault platform helps automate and streamline your digital communications with the highest level of security and compliance. We employ the latest technologies, principles and procedures to ensure that your digital post is protected.


Since its inception in 2004, Quadient Inspire has been using leading-edge technologies to create an edge for businesses. Delivering an exceptional customer experience (CX) through personalised omnichannel communications is essential to sustaining a competitive advantage, building customer loyalty and driving revenue. However, many large organisations face a number of challenges including departmental silos, legacy systems and changing market regulations.

Cumulo9 has partnered with Quadient’s award-winning CCM solution, Inspire, helping companies design, manage and deliver personalised, accurate and compliant communications across all channels, from one centralised platform.