The competence center for enterprise agentification
We build, run, and govern your AI agents. You own them.
Vesster is the competence center that agentifies the regulated enterprise: we build the agents, run them under governance, and hand you the keys.
35 years of enterprise software @ Joyn Group
The competence center for enterprise agentification
Agentification is four disciplines, not one project.
We build & run
Forward-deployed teams design the agents on your real processes and operate them in production, and you own the outcome.
We govern
VessterOS: graduated autonomy, evals as the trust threshold, audit trails and drift monitoring, built for agents, not IT change-control bent to fit.
We tailor the stack
Provider-agnostic, deploy-anywhere, routed to your regulatory regime. Off-the-shelf never passes review; yours will.
We enable your people
Capability transfer, so your teams direct and evolve the agents after we hand over.
More than a prompt
Everyone's building agents. Scaling them across a regulated enterprise takes more than a prompt.
A complete agent OS
VessterOS deploys and governs teams of agents in production, not one script running on a laptop.
Enterprise & regulated
Built for high-stakes work where a demo can't go, and getting it wrong is illegal.
Your expertise, too
We grow your internal capability along the way, so your own teams run and evolve it.
You own the operating system, the agents and the expertise, exit-ready by contract.
- 01
Agent teams
governed, in production
- 02
VessterOS
orchestration & policy
- 03
Runtime
provider-agnostic
- 04
Your data
never leaves your walls
Why this is hard, the case for a competence center
There's a chasm between a laptop automation and a production agent.
Challenge
Anyone can run an automation on their machine; making it an agent the organization runs demands governance, security and continuous evolution.
Why it matters
Agents are probabilistic and drift with every model update, retrofitting traditional IT change-control onto them doesn't work.
How we resolve it
VessterOS, governance built for agents: graduated autonomy, evals as the trust threshold, drift monitoring, audit trails, compliance-as-executable-policy, plus a continuous-optimization team.
Challenge
Your context lives across people, processes and systems; most organizations never built the interoperability layer agents need.
Why it matters
Without it, agents can't fit your reality, safely, with the right identity and data boundaries.
How we resolve it
Forward-deployed teams build that layer on your real processes: agent-ready context, non-human identities with least privilege, typed tool capabilities, and taint boundaries so untrusted data never becomes executable privilege.
Challenge
Which models you can use, where they run, and how data flows are decided by your regulatory regime and your own security homologation, not a vendor default.
Why it matters
A bank under DORA and data-residency rules needs a fundamentally different deployment than a hospital; off-the-shelf never passes review.
How we resolve it
Deployment tailored to your reality, provider-agnostic (Anthropic / Mistral / open-source on your GPUs), deploy-anywhere (VPC / on-prem / air-gapped), data-sovereignty-routed. Your data never leaves your walls.
The pilot graveyard
Most enterprise AI never reaches production. The industry's own numbers:
~60%
BCG
reap no measurable value from AI
~1%
McKinsey QuantumBlack
consider themselves AI-mature
~40%
Thoughtworks
of agentic-AI projects cancelled by 2027
How we deliver
Four service lines. Engage one, or combine them, together they compound.
Why the regulated buyer trusts us
Proven where getting it wrong is illegal, then applied enterprise-wide.
What lets you move fast is knowing it's safe. Graduated autonomy, executable compliance and end-to-end audit trails let your risk committee say yes sooner. That operating system, VessterOS, is what makes the acceleration real.
Inside VessterOSCompliance verdicts, machine-readable
The autonomy ladder
- 01ShadowAgent observes
- 02SupervisedHuman-in-the-loop
- 03GuidedHuman-on-the-loop
- 04FullAutonomous
Decision · credit.approve
Not only bespoke, proprietary IP
Six agents we already built, running in banking today.
Beyond bespoke engagements, Vesster brings a production-hardened agent platform: six proprietary agents that run a regulated process end to end. You get building blocks proven where getting it wrong is illegal, not a blank page.
Meet our proprietary agents- In production
Connect
Communication & collection
- In production
Verify
Document & dossier verification
- In production
Sentinel
Fraud & anomaly detection
- In production
Recon
External data & sources
- In production
Cortex
Orchestration & integration
- In production
Guardian
Compliance & audit trails
Provider-agnostic · deploy-anywhere
Own your AI.
Three deployment models, one governed operating system. Sensitive workloads stay behind your walls; where you scale in the cloud, we run cloud-native on Google Cloud, our named primary hyperscaler, and stay portable to the rest.
Your regulatory regime decides where models run and how data flows, not a vendor default. We deploy to yours.
On-Premises
Your hardware, your walls.
Open-weight models on your own GPUs, air-gap capable. Nothing leaves your data center, the strictest data-residency and sovereignty posture.
- Air-gapped capable
- Open weights on your GPUs
- Full data sovereignty
Hybrid
Sensitive on-prem, scale in the cloud.
Keep regulated data and workloads on-prem; burst to frontier models over private connectivity. Each workload runs where its rules allow, data-residency-routed.
- Data-residency routed
- Private connectivity
- Best-fit per workload
Cloud
Cloud-native on Google Cloud.
We build cloud-native on Google Cloud, Vertex AI, GKE and confidential computing, as our primary hyperscaler. Portable to Azure and AWS when your estate requires it.
- Vertex AI · GKE
- Confidential computing
- Portable to Azure / AWS
Provider-agnostic
The best tools. None to lock you in.
We run frontier and open-source models across any cloud, or entirely on your own hardware. You get the best tool for each job, and you're never tied to a single vendor.
Frontier models
Open-source & self-hosted
Cloud & infrastructure
Orchestration & tooling
What the board gets
Trust you can defend to a regulator, and a payoff the budget holder can bank.
board-defensible
AI your risk committee can approve, proof for every autonomous decision
audit-ready by design
Evidence a regulator can inspect, written before each decision commits
loss avoided
Bad decisions caught before they commit, on your highest-stakes work
then: you accelerate
Hours → minutes on high-consequence workflows, the payoff of getting trust right first
The lifecycle
Six stages from readiness to a governed agent your teams own, fast, and accountable at every step.
6
stages, readiness → a governed agent you own
Why us
Ten years of proof a regulated buyer can verify.
- 01
10 years of AI in production, before "agentic" was a word, recognized by Gartner, Forrester and IDC.
- 02
Backed by the JOYN Group: 500+ people, €20M+ revenue, 10 countries, banking-grade heritage.
- 03
Proprietary agentic IP, Verify · Sentinel · Cortex, at the center of every engagement.
- 04
ISO 27001 / 27017 / 27018 certified · EU AI Act aligned · ISO 42001 by design.

The team
Bring us one high-stakes process.
Tell us a process where getting it wrong is expensive or illegal. We'll give you an honest yes/no read and scope the Foundation, no pitch theatre.
An honest yes/no on readiness. No pitch theatre.








