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Private LLM infrastructure
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On-Premise LLM Deployment in Vienna

The best On-Premise LLM Deployment in Vienna, at the best available price.

$0 upfrontPay per accepted checkpointSenior engineer, no agency markup

You have the GPU and you have the model. What is missing is the leg in between: the model exposed as a reliable private API, reached securely from your application, returning data you can trust. That is the whole engagement.

Vienna combines a large public and international sector, banks with networks across Central and Eastern Europe, a strong life sciences cluster and a growing startup scene backed by public funding agencies. Much of Austria's economy is made up of established, often family-owned industrial and service companies that buy carefully, value privacy and expect a supplier to explain exactly where data goes.

Privacy carries real weight with Austrian buyers, and many will not send internal documents to a US-based AI service. A private model on your own servers or in an EU region of your account, with no outbound calls, removes that objection.

What you get

  • vLLM serving tuned to your GPU: quantisation on the native kernel path, KV cache sizing, continuous batching, prefix caching
  • A private network path with no public exposure, verified as a direct peer connection rather than a relay
  • Schema-constrained responses plus a deterministic QA gate, so a wrong answer is rejected rather than rendered
  • Documented baseline: tokens per second, time to first token, real concurrent capacity
  • Infrastructure as code in your repository, a runbook, and every credential held by you
Fixed-fee assessment, credited in full against the build.

No upfront payment and no escrow required. You hold every dollar until a checkpoint is delivered and accepted, and thirty days of defect correction is included. Scope and price are set on a call.

Invoiced in USD or EUR, payable by Wise or bank transfer.

Request a callback

You speak to the engineer who does the work. No sales rep, no deck.

No spam and no sales team. You talk directly to Neeraj.

Vienna, Austria

Who builds here

Banks with Central and Eastern European networksVienna BioCenter and life sciencesTU Wien and the University of ViennaInternational organisations, including the UN in Vienna
Best fit in Vienna

AI Data Analyst

Vienna's established companies have years of data in ERP and operational databases and few people who can query it. An analyst on a read-only replica inside their own environment gives answers quickly while keeping data where Austrian buyers expect it to stay.

A single GPU server lit in a dark data-centre aisle, the hardware a self-hosted model runs on
Architecture diagram of a private LLM deployment inside your network: your application calls a backend gateway, which reaches a vLLM model server running an open-weights model on your GPU over a private encrypted network with no public endpoint. Every response passes a deterministic validation gate before it returns to the application. Secrets sit in a managed store, the model port is bound to a private interface, output is review-only, and third-party model APIs are not used.
The request never leaves your network, and nothing reaches your users without passing the validation gate.
How you pay

Get it built at $0.

That is not a discount. It is when you pay. The work is split into checkpoints with acceptance criteria written down before anything starts, and each checkpoint is invoiced only after you have seen it and accepted it. No deposit.

$0 to start
You hold every dollar until a checkpoint is delivered and you accept it. No approval, no invoice.
Fixed cost, unlimited features
Or hire the team outright: one fixed monthly cost, unlimited feature development, any stack.
The engineer takes your call
The person on your first call is the one who architects and writes it. No account managers, no bench time.

A US agency quotes $50,000 to $150,000 for the same build and asks for 40 to 50% of it before a line is written. Account managers, project managers, sales commission and bench time. None of it appears in your product.

How it works

Three stages, nothing hidden.

01

Fixed-fee assessment

Five business days from the day access is in place. Your stack examined end to end, existing work classified as preserved or replaced with reasons, the connection design, and acceptance criteria written as testable statements.

02

Implementation in checkpoints

Around three weeks. Each checkpoint has written acceptance criteria agreed before work starts, and is invoiced only after you accept it. Appoint an independent technical reviewer if you want one.

03

Handover and closeout

One real request through your real application, on synthetic data, passing every QA rule. Runbook, recorded handoff, and all our access removed with written confirmation.

Working in Vienna

What actually applies here.

Regulation and data

GDPR is enforced by the Austrian Data Protection Authority (Datenschutzbehörde), and Vienna is home to noyb, the privacy group founded by Max Schrems, whose cases shaped EU rules on transfers of personal data to the United States. Austria's NIS2 law, the NISG 2026, was adopted in December 2025 and applies from 1 October 2026, with a new Federal Office for Cybersecurity. Banks and insurers answer to the FMA, and DORA has applied to them since January 2025. RTR runs an AI service desk that advises on the EU AI Act, while Austria's formal designation of AI Act supervisors was still under discussion at the time of writing. Most EU AI Act high-risk duties are now due from December 2027.

Contracting and payment

You contract with an individual consultant based in India. Invoices in EUR or USD, paid by Wise or bank transfer. Your accountant handles an overseas supplier in the usual way, and any documentation they need is provided before access is granted.

Working hours

Four or more hours of daily overlap across your morning, Central European time, with same-day replies on working days.

Is the NISG 2026 relevant to our AI project?

If your company is in scope of Austria's NIS2 law, from 1 October 2026 your suppliers fall under its supply chain security rules. We work with named access, infrastructure in your accounts and documented controls, which is what your NIS2 assessment of a supplier will look for.

Can answers come back in German?

Yes. Users can ask in German and receive answers in German, while the SQL, logs and technical documentation stay in English. We test German-language questions with your team before handover.

What overlap do we get with Vienna hours?

Four or more hours of daily overlap across your morning, Central European time, with same-day replies on working days. That leaves room for a weekly review with your team and quick calls whenever a decision is needed, all inside your normal morning.

We already have hardware and a model running. Is that a problem?

It is the ideal starting point. Existing work is classified during the assessment as preserved unchanged, preserved with changes, or replaced, with reasons, and nothing is replaced without your written agreement.

Can it be fully air gapped?

Yes, including model and dependency mirroring, offline updates and local evaluation, with no outbound network access at all.

Who holds the accounts?

You do, throughout. Cloud accounts are created and held by you, our access is named and limited-privilege, and it is removed at handover with written confirmation.