Expert
Architecture
for Sovereign AI.

I design and build secure, GDPR-compliant solutions that solve the data risk and process challenges facing the German Mittelstand.

Portrait of Steffen Hoehne

About The Architect: Steffen Hoehne

With over 18 years in enterprise architecture, I have designed and implemented secure systems for some of the most demanding industries across Germany and Switzerland. My focus is on solving real-world business constraints—from inefficient manual processes to critical data sovereignty gaps—with solutions that are practical, robust, and built to perform.

My mission is to provide the German Mittelstand with a sovereign, secure alternative to generic SaaS products. By building bespoke AI tools and architectures, I help businesses protect their data, increase their efficiency, and maintain full control over their technological future.

"True innovation isn't about chasing trends. It's about building secure, sovereign solutions that give you a durable competitive advantage. My work is a partnership to ensure your technology serves your business, not the other way around."

18+ Years Experience GDPR & Sovereign Focus Enterprise Certified Mittelstand Partner

The Venture Dashboard.

These tools were not invented in a vacuum. They are the direct result of solving the same critical inefficiencies for Mittelstand clients year after year. Each is designed to be sovereign, secure, and deliver a measurable impact on your operations.

NeuroMark

Universal Document Intelligence Engine

NeuroMark is a sovereign document intelligence pipeline designed for high-volume enterprise environments. It receives, classifies, organizes, and extracts structured data from complex document streams — without manual intervention.

Capabilities

  • Intelligent Document Classification
    • Automatic identification of document type within mixed batches.
  • Schema-Based Data Extraction
    • Extracts relevant fields according to predefined enterprise schemas.
    • Structured JSON / database-ready output
  • Industrial Throughput
    • No upper document limit, horizontally scalable architecture.
  • Resilience to Imperfect Input
    • Handles poorly scanned & complex documents
    • Extraction time < 2 minutes per document
Request Beta Access

NeuroMark

Universal Document Intelligence Engine designed for high-volume enterprise document automation.

Key Features

  • Automatic Document Classification
  • Schema-Based Extraction - Database Ready
  • Unlimited Document Throughput
  • Handles Imperfect Scans in <2 Minutes
Request Beta Access

Stimna

Secure AI transcription and meeting summarisation for enterprise teams. Automatically transcribes conversations, identifies speakers, and generates structured, actionable minutes in real time.

Key Features

  • Fully GDPR / DSG Compliant
  • Real-time transcription & speaker identification
  • Interactive demo coming soon
Get Updates

Magnus

Capture critical expertise before it walks out the door. Magnus organically records the workflows of your senior experts as they work.

Key Features

  • Status: In development
  • De-risk operations from knowledge loss
  • Accelerate new hire onboarding
Join the Waitlist

Nexus

Find anything, anywhere, instantly. Nexus unifies your scattered document ecosystem into a single, conversational search.

Key Features

  • Status: In development
  • Get instant answers from all company docs
  • Securely indexes files without moving them
Join the Waitlist

Flagship Project: datafreedom

The Challenge

German and Swiss businesses required a truly sovereign cloud alternative to US providers—one that guaranteed absolute data privacy and full GDPR/DSG compliance without sacrificing enterprise-grade performance or support.

My Role & Solution

As the lead architect, I designed the entire sovereign cloud infrastructure from the ground up. My role was to engineer its multi-layered security framework, ensure mandatory end-to-end encryption, and develop a seamless integration strategy for enterprise clients.

Key Features

  • Fully GDPR / DSG Compliant
  • Mandatory End-to-End Encryption
  • Hosted in German & Swiss Data Centers
  • Personal, One-Hour Expert Support
Learn More
datafreedom logo datafreedom

Let's Solve Your Architectural Challenge

My approach is hands-on and tailored. Whether you need to streamline a process, secure your data, or design a new system, the first step is a direct conversation. Tell me about your challenge.