What Admiralty does

Admiralty is a Kubernetes multi-cluster management platform founded in 2018 by Adrien Trouillaud. The company's core technology is built on Virtual Kubelet and comprises a system of custom Kubernetes controllers (proxy scheduler, candidate scheduler, source controller), a mutating pod admission webhook, and a PodChaperon custom resource that together enable pod-level federation across Kubernetes clusters. Remote clusters are represented as virtual nodes, allowing standard kubectl operations such as drain and cordon to work across clusters for use cases including blue/green upgrades, active-active disaster recovery, cloud bursting, dynamic CDN, and edge/IoT deployments.

Admiralty distributes a free, Apache 2.0-licensed open-source agent via GitHub, Helm charts, and an OCI registry, complemented by two commercial tiers: Admiralty Cloud, a subscription-hosted management plane offering cluster identity federation via SPIFFE-based identities and DNS-based global load balancing, and Admiralty Enterprise, an on-premises or private-cloud deployment with anycast load balancer integrations, custom domains, and enhanced support SLAs. The platform integrates with the broader CNCF ecosystem — Argo CD, Argo Workflows, k8gb, Cilium ClusterMesh, Istio, Linkerd, cert-manager, Velero, and Virtual Kubelet — and supports all major Kubernetes distributions including EKS, AKS, GKE, OpenShift, k3s, and self-built clusters.

The company operates a hybrid go-to-market: community-led adoption through GitHub, Slack, documentation, technical blogging, and KubeCon talks, layered with enterprise field sales for the Cloud and Enterprise tiers. Primary customer segments are enterprise Kubernetes operators running multi-cloud, multi-region, or hybrid environments; secondary segments include research and academic institutions needing cross-administrative-domain federation, and cloud-native serverless teams on AWS Fargate. Revenue figures, headcount, funding history, and named customers are not disclosed; the company is privately held and founder-led.

Name

Admiralty

Legal name

Admiralty

Website

https://admiralty.io

Company type

Private

Founded year

2018

Operating status

Operating

Headcount range

1–10 employees

Short description

Admiralty provides a Kubernetes multi-cluster management platform that schedules workloads across clusters via Virtual Kubelet and pod-level annotations. It sells an open-source agent, a hosted Cloud tier, and an Enterprise tier to organizations running multi-cloud, multi-region, or hybrid Kubernetes environments.

Ownership category

akta.pro rank

Product category

Cloud Infrastructure / Kubernetes Multi-Cluster Orchestration

SIC

Services-Computer Integrated Systems Design (7373)

akta.pro primary industry

Container Platforms & Orchestration (Kubernetes) (HDABADAF)

akta.pro secondary industries

Kubernetes & Container Platform Management (Private Cloud) (HDABABAC), Cloud-Native Development (Containers, Kubernetes, Microservices) (BPAEACAD)

Keywords

• Multi-cluster Kubernetes
• Kubernetes scheduling
• Cloud-native orchestration
• Container platform management
• Kubernetes federation

Headquarters

HQ city

Seattle

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Infrastructure, Marketing or Sales, Operations

Revenue model

1. Admiralty Open Source: Free and open-source cluster agent available on GitHub under Apache 2.0 license. Users self-host and manage the agent. Core multi-cluster scheduling functionality is available without cost.
2. Admiralty Cloud: Cloud-hosted management plane that simplifies cluster registration, provides DNS-based global load balancing, and offers cluster identity federation as a service. Subscription-based pricing for cluster connections and advanced features.
3. Admiralty Enterprise: On-premises or private cloud deployment of Admiralty's management plane with advanced integrations (anycast load balancers, custom domains, enhanced support SLAs) for large organizations with strict compliance or data residency requirements.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels7 records

Core offering

Admiralty develops and sells multi-cluster Kubernetes scheduling and management software. Its core product is an open-source Kubernetes agent that represents remote clusters as virtual nodes, allowing standard Deployments and Jobs to span clusters via a single annotation. The company also sells Admiralty Cloud (a hosted service for cluster identity federation and DNS-based global load balancing) and Admiralty Enterprise (on-premises tier with anycast load balancer integrations and custom domains) for organizations operating Kubernetes across multiple clouds, regions, or on-prem environments.

Product overview

Admiralty is a multi-cluster Kubernetes management platform consisting of the Admiralty Open Source agent (installed via Helm), Admiralty Cloud (cloud-hosted cluster federation service), and Admiralty Enterprise (commercial tier with advanced load balancing). The core agent implements multi-cluster scheduling by representing remote clusters as virtual-kubelet nodes, allowing standard Kubernetes Deployments and Jobs to span multiple clusters via pod annotations. Admiralty Cloud/Enterprise provides cluster identity federation, secure cross-cluster authentication, and global DNS-based load balancing. The company also maintains open-source libraries including multicluster-controller for building multi-cluster operators and multicluster-service-account for cross-cluster authentication.

Differentiator

Problem solved

Functional benefit

Brands

• Admiralty Cloud: Commercial cloud offering for multi-cluster Kubernetes management with cluster identity federation
• Admiralty Enterprise

Products and services

• Admiralty Open Source A free, Apache 2.0 licensed Kubernetes agent composed of custom controllers, mutating webhooks, and scheduler plugins that intelligently schedules workloads across multiple Kubernetes clusters using virtual-kubelet nodes and a single annotation (multicluster.admiralty.io/elect). It targets platform engineers and SREs who need to deploy applications across clusters using standard Kubernetes APIs without new federated APIs or templates.
• Admiralty Cloud

Quantifiable outcome

• Parallel workflow execution time reduced from 76 seconds to 31 seconds by distributing across two clusters (demonstrated in Argo Workflows blog post)
• +2 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration9 records

Feature6 records

Partnerships

Five partnerships are on record, tiered core.

• Argo ProjectcoreTechnology or IntegrationAdmiralty has deep integration with Argo Workflows and Argo CD, enabling multi-cluster workflow execution and GitOps-based multi-cluster deployments. Pods annotated with Admiralty's scheduling annotations can be executed across clusters by Argo while maintaining proxy/delegate pod architecture.
• k8gbcoreTechnology or IntegrationIntegration between Admiralty's global multi-cluster scheduling and k8gb's global service load balancing. Admiralty handles scheduling and pod replication across clusters while k8gb provides DNS-based global load balancing with GSLB (Global Server Load Balancing) CR propagation.
• AWS (Amazon Web Services)coreTechnology or IntegrationAdmiralty provides first-class support for AWS EKS and AWS Fargate on EKS. Extensive tutorials and documentation for deploying multi-region services on AWS infrastructure using ALB ingress controllers and Admiralty Cloud DNS routing.
• cert-managercoreTechnology or IntegrationRequired dependency for Admiralty's mutating pod admission webhook and cluster identity certificates. Admiralty uses cert-manager to manage certificates for webhooks, authentication proxies, and cluster identities.
• Virtual KubeletcoreTechnology or IntegrationAdmiralty scheduler acts as a Virtual Kubelet provider, using virtual nodes to represent target clusters in source clusters, enabling standard Kubernetes scheduling and kubectl operations across clusters.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Google GKE Enterprise: GKE Enterprise (formerly Anthos) provides multi-cluster Kubernetes management natively on Google Cloud with broad hybrid and multi-cloud support. It is a key incumbent that competes with Admiralty's cross-cloud federation, especially for customers already on GCP.
• Red Hat OpenShift: Red Hat OpenShift is an enterprise Kubernetes platform with multi-cluster management capabilities (including Advanced Cluster Management). It competes with Admiralty for enterprises standardizing on Kubernetes, but operates as a full distribution rather than a federation overlay.
• Mirantis Kubernetes Platform (MKP): Mirantis delivers an enterprise Kubernetes platform including multi-cluster operations and the Lens IDE ecosystem. It overlaps with Admiralty at the multi-cluster management layer with a focus on both private and public cloud deployments.
• VMware Tanzu: VMware Tanzu (now part of Broadcom) is a broad enterprise Kubernetes application platform spanning build, run, and manage across multi-cluster environments. It overlaps with Admiralty at the multi-cluster orchestration layer but offers a much wider portfolio including build pipelines and application services.

Direct peers

• Rancher (SUSE): Rancher is a Kubernetes multi-cluster management platform now owned by SUSE that lets users deploy and operate Kubernetes across multiple clusters and clouds. It is the most direct competitor to Admiralty in centralized multi-cluster orchestration, though Rancher targets a broader enterprise suite versus Admiralty's pod-level federation focus.
• Kubermatic: Kubermatic builds a Kubernetes automation platform for multi-cluster, multi-cloud operations with automated cluster lifecycle management. It targets the same enterprise Kubernetes operator persona as Admiralty, focused on centrally managing clusters across providers.
• Spectro Cloud: Spectro Cloud provides a Kubernetes management platform (Palette) with multi-cluster operations, day-2 operations, and edge support. It is comparable to Admiralty in serving enterprises that need consistent cluster operations across heterogeneous environments.
• Rafay Systems: Rafay provides a Kubernetes management platform with multi-cluster operations, GitOps, and application delivery for enterprise customers. It competes directly with Admiralty in serving enterprises that need to operate fleets of Kubernetes clusters across multiple clouds and on-premises environments.

Others

• Weaveworks (Weave GitOps Enterprise): Weaveworks (now Weave) provides GitOps and Kubernetes management tooling including multi-cluster GitOps workflows. It is adjacent to Admiralty rather than directly competing, but overlaps in serving enterprises that need to operate applications across many Kubernetes clusters.

Emerging players

• Karmada: Karmada is an open-source Kubernetes orchestration system (CNCF Sandbox project) enabling multi-cluster application deployment and management. It is comparable to Admiralty as a multi-cluster scheduling and federation layer, but is community-driven rather than a commercial product.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key highlights6 records

Customer concentration

• Xx.com/admiraltyio
• GitHubgithub.com/admiraltyio/admiralty
• LinkedInlinkedin.com/company/admiraltyio

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Admiralty