$50m · Series A · Software · London, UK
Valarian has raised a $50m Series A led by New Enterprise Associates (NEA). Lightbank, XTX Ventures, Sequel and Litquidity VC participated alongside angel investors Gokul Rajaram and Nikesh Arora. The London company says the financing takes total investment to $70m and will accelerate deployment of its sovereign digital infrastructure across government, defence and enterprise.
Valarian's core platform, ACRA, lets organisations run AI and other sensitive workloads while retaining authority over data, policy and keys. The company describes ACRA as infrastructure that can sit across cloud, on-premise and edge environments rather than forcing customers to replace their existing compute stack.
Making sovereignty a workload property
For regulated organisations, the commercial problem is not simply where a server is located. They also need to govern which applications can reach sensitive data, who can move it and what happens when workloads span multiple environments. NEA says ACRA addresses that layer through isolated enclaves with their own policy boundary, key management and data layer.
That positioning lets Valarian sell control without asking a customer to abandon every existing cloud or legacy system. If deployments can be added around current infrastructure, procurement may be easier than a full sovereign-cloud migration. The trade-off is integration complexity: the product must enforce consistent controls across different clouds, local systems and edge environments while remaining usable for teams deploying AI applications.
Moving from controlled deployment to platform
The Series A will fund an expansion from a controlled deployment layer and first-party applications into an end-to-end data platform, ontology and AI application suite, according to the lead investor. That broadens Valarian's revenue opportunity, but it also increases the execution burden: the company must deepen the platform without weakening the interoperability that makes it attractive to customers with mixed infrastructure.
The company says its technology is deployed across four continents and that hundreds of enclaves are in use. Those are company-reported indicators rather than disclosed contract economics. The more useful proof point after this round will be whether Valarian can turn high-consequence deployments into repeatable expansion across departments, workloads and geographies.


