AI for your tax firm.
Connect to DATEV now.
With Logicc, you bring all leading AI models into your firm’s daily work without giving up the confidentiality of your client data. You sign the professional secrecy agreement under § 203 StGB directly in the platform.
§ 203 StGB. Sign the professional secrecy agreement directly in the platform.
Stored in Germany. Client data and files only on German servers.
No training. Your data does not train any model, Zero Data Retention at the model provider.
DATEV integration. Use firm data from DATEV directly in the chat.
All leading AI models for your firm.
The right model for every task.
Your team uses ChatGPT, Claude, Gemini and Mistral on one platform. Logicc does the groundwork, review and signature stay with you.
ChatGPT
Claude
Gemini
Mistral
One platform
for your firm’s tasks.
Example tasks with fictitious data. You check every result before it leaves the firm.
30% off your annual Logicc plan.
Get 30% off with annual billing.
GDPR-compliant · EU hosting · §203 StGB-compliant
34,93 €
per user/month, billed annually
You save 179,64 € per user/year
For up to 5 licences in the first contract year, billed annually and signed up by 30 Nov 2026. Prices plus VAT. You can find the full offer terms here.
This is how much time tax firms save with Logicc. Every day.
Based on experience from Logicc customer deployments.
DATEV directly in the Logicc chat. With real firm data.
Connect Logicc to DATEV and use your firm data directly in the chat. Your DATEV user permissions apply.
“Thanks to Logicc, we can finally use AI the way we need to: powerful, secure and compliant with § 203 StGB.”
Johanna Fürsattel, HR Advisor & People Partner, Fürsattel & Collegen 
Protect client data, secure your use of AI carefully.
- § 203 StGB does not prohibit AI. Tax advisors must not disclose client secrets without authorisation, not even to service providers. The right agreement is the basis.
- Sign directly in the platform. You sign the professional secrecy agreement under § 203 StGB digitally, without paper and without waiting.
- Technically secured. AES-256 at rest, TLS 1.3 in transit, storage only in Germany.
- All documents in advance. DPA, TOMs and list of subprocessors to download before you decide.
Company-wide AI use that cushions workload peaks
How a tax firm with 50 employees turns inconsistent AI use into a uniform, controlled and measurably effective standard.
Active users save 1.8 hours a day, workload peaks are cushioned and professional oversight stays fully with the team.
Law firmGDPREfficiencyTeam-wide AI use View Case Study
Johanna FürsattelHR Advisor & People Partner, Fürsattel & Collegen 50Employees at two locations100 %of client data in Germany1.8 hrsTime saved per employee per day Your questions about data protection and professional secrecy.
That is exactly what Logicc is for. Your data is stored exclusively in Germany, encrypted, and for professionals bound by secrecy we provide an agreement under § 203 StGB. You can view all documents in advance.
AI processing takes place exclusively in the EU, at the model provider with Zero Data Retention. Training with your data is contractually excluded. We store chats and files encrypted in Germany.
AI processing takes place exclusively in the EU. The data processing agreement is part of the contract. You can find the data protection documents for review and download here.
How to get started with Logicc in your tax firm.
Frequently asked questions.
Yes. You sign the professional secrecy agreement digitally, directly in the platform. You can view and download the DPA, TOMs and list of subprocessors in advance.
Exclusively on servers in Germany, encrypted. To generate the answer, the request is passed to a model in Europe, with Zero Data Retention at the model provider.
No. Your data does not train any AI model, neither today nor in the future.
No. Logicc does the groundwork: reading, sorting, comparing, first drafts. Assessment and responsibility stay with you. You check every result before it leaves the firm.
Yes, as a premium integration. Logicc retrieves the necessary DATEV data directly in the chat, and your DATEV user permissions apply. The integration is set up together with our Customer Success team. You can find all details and the price on the DATEV page.
With onboarding, the weekly AI Office Hours and training for tax firms, for example on tax returns, receipt review and client communication. Plus personal support and the Help Center.
Get started with secure AI in your tax firm.
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