Private AI Infrastructure: Building a Local LLM Stack for Secure Agent Development

UK professional services consultancy
Solo practitioner / small team

The Challenge

Sensitive development work needed a private, cost-effective way to run local language models for prototyping, testing, and agent workflows without depending entirely on public APIs.

The Approach

We built a local AI serving stack around self-hosted inference, remote observability, and workflow automation so new agents could be tested quickly while keeping control over cost, latency, and data exposure.

What Was Built

The stack combined local model serving, telemetry forwarding, dashboarding, and scripted operational checks. It was designed to support experimentation with multiple models while keeping deployment, monitoring, and rollback straightforward.

Measurable Outcome

The result was a stable internal platform for agent development and evaluation. It reduced reliance on paid external inference for everyday testing and made model behaviour easier to observe under real workloads.