Journal
What we learn while building.
Project insights, platform deep-dives, concrete lessons learned.
- Nº 01→
EU data residency for AI — what it concretely means, which vendors deliver
EU data residency is the key to GDPR-compliant AI. Which LLMs and cloud platforms really deliver in 2026 — and what to watch for in the contract.
- gdpr
- ai
- eu-hosting
- schrems-ii
- Nº 02→
GDPR-compliant AI with Odoo — self-hosted, custom LLM, full data sovereignty
Odoo offers the greatest flexibility in AI integrations — up to self-hosted LLMs on your own infrastructure. When this is the right architecture, what it costs, and how Mate iT typically sets it up.
- gdpr
- ai
- odoo
- mid-market
- Nº 03→
GDPR-compliant AI with Zoho — Zia, EU data center, DPA out of the box
Zoho One brings its AI component Zia directly with it — including EU data center in Amsterdam and standard DPA. The GDPR question is largely solved before the setup even begins. What that means in practice.
- gdpr
- ai
- zoho
- mid-market
- Nº 04 Pillar→
GDPR-compliant AI in the Mid-Market — Architecture Guide
GDPR-compliant AI in the mid-market 2026: architecture patterns, platform setups, and the most common mistakes — from 400+ Mate iT implementations.
- gdpr
- ai
- ai-agents
- mid-market
- Nº 05→
DATEV interface in Zoho Books — what works and where workarounds are needed
Zoho Books is the accounting component of Zoho One. DATEV integration runs via add-on — functional, but with less depth than weclapp. When it pays off and where Mate iT typically fine-tunes.
- datev
- zoho
- accounting
- mid-market
- Nº 06→
DATEV interface in Odoo — how Mate iT builds the bridge
Odoo has no native DATEV interface — internationally oriented, not DACH-centric. Mate iT developed its own connector serving the German tax-advisor workflow cleanly.
- datev
- odoo
- accounting
- mid-market
- Nº 07→
Welcome to the new Mate iT website
Why we are starting 2026 with a completely new presence — and what changes for our customers.
- Nº 08→
DATEV interface in weclapp — what it does well, where it falls short
weclapp has the most native DATEV interface among DACH cloud-ERPs — built in Karlsruhe with the German tax-advisor workflow in mind. What it can do, what it can't, and how we typically set it up.
- datev
- weclapp
- accounting
- mid-market
- Nº 09 Pillar→
DATEV integration for German mid-market — the practical guide 2026
DATEV is the DACH standard between ERPs and tax advisors. What makes a clean integration — and how weclapp, Odoo and Zoho Books each build the bridge.
- datev
- accounting
- weclapp
- odoo
- Nº 10 Pillar→
weclapp vs Odoo vs Zoho — the mid-market comparison 2026
Three ERP worlds, one mid-market segment. We've rolled out all three platforms in production and write down here when which fits — without marketing fluff, with concrete decision criteria.
- comparison
- erp
- weclapp
- odoo