
DATEV interface for ERP and shop
DATEV interface
for Business Central.
Enter it once.
Never retype it again.
We connect Business Central, shop and payment providers with DATEV. Postings, documents and master data go automatically to your accounting and tax advisor. What has been entered once never has to be retyped.
- Posting batches in DATEV format
- Documents with document link
- Cloud / on-premises
Starting point
Your accounting retypes
what is already in the ERP.
Invoices are created in the ERP, orders in the shop, payments at PayPal or the bank. In DATEV it all arrives as a stack of PDFs or an Excel export. Someone transfers it by hand. That costs days every month.
Retyping invoices
Outgoing invoices reach accounting as PDFs and are posted again in DATEV.
Manual export
Once a month someone pulls a CSV from the ERP and rebuilds it into the DATEV format.
Account assignment in one head
Which account, which tax key? Only one person knows. When they are on vacation, the stack waits.
Posting without a document
The posting is in DATEV, the document in the inbox. Your tax advisor asks about it, every month.
Shop and payments
Thousands of small payments from shop, PayPal and Amazon that nobody matches cleanly.
The month-end close waits
The management report only arrives once the batch is complete. By then the numbers for decisions are already old.
Building blocks
Everything missing between
your ERP and DATEV.
Every building block follows the same standards. You start with the data flow that costs the most manual work.
Posting export
DATEV format | Posting batch | EXTF
Outgoing and incoming invoices go to DATEV as a posting batch. With account, contra account, tax key and document field.
Document images
Document link | PDF | E-invoice
Every posting comes with its document. Your tax advisor opens it straight from the posting.
Master data
Customers | Vendors | G/L accounts
Customers, suppliers and accounts stay identical in ERP and DATEV. Nobody creates a customer twice.
Account assignment rules
Chart of accounts | SKR 03 | SKR 04
Which account and which tax key apply is stored as a rule in the system. Not in one person's head.
Shop and payment
Shopify | Shopware | PayPal | Amazon
Orders, fees and payouts arrive in DATEV condensed and easy to match.
Check before handover
Required fields | Periods | Duplicates
Every batch is checked before handover. Missing accounts or duplicate document numbers show up beforehand.
E-invoicing included
XRechnung | ZUGFeRD | GoBD
E-invoices from Business Central go to DATEV with their XML and a readable copy. No second upload.
Handover to your tax advisor
DATEV Unternehmen online | Tax advisor
You decide what goes straight to your tax advisor and what your accounting sees first.
How we work
Six rules for
every handover.
A DATEV interface is only finished when your tax advisor has no more questions. Every decision we make is aimed at that.
Official channels
We use the documented DATEV interfaces and the DATEV format. No macros, no Excel steps in between.
Built to survive updates
Enhancements are built as extensions in AL. No changes to the standard code. Microsoft updates and new DATEV formats run through.
Checked before handover
Every batch is checked against chart of accounts, tax key and period. You see errors before your tax advisor does.
Monitoring with alerts
You see which batch was transferred when and which one is stuck. If something fails, the responsible person is notified.
Tax advisor on board
We define account assignment and handover with your tax advisor. They get what they need, in the form they know.
Secure and GoBD-compliant
Originals are archived unalterably. Access via Entra ID with minimal permissions. On request exclusively in EU data centers.
Process
Four steps to
postings without retyping.
01System map
Duration: one conversation
Together we map which programs you use and where data is moved into DATEV by hand. Free of charge.
02Concept
Duration: 1–2 weeks
We define data flows, account assignment rules and the handover path. With your tax advisor and in writing, before any code is written.
03Build and test
Duration: depends on scope
Test company, trial batch with one month of real data, acceptance with accounting and tax advisor. Only then does it go live.
04Operation
Duration: ongoing
We monitor the transfer and adapt when accounts, tax rates or interfaces change. With a service contract on request.
Result
We measure before.
And after.
Before the project starts, we record three values with you. After go-live, we measure them again. That makes the benefit traceable, not just claimed.
- 01
Processing time
Hours per month for exporting, retyping and account assignment.
- 02
Error rate
Questions from your tax advisor and correcting entries.
- 03
Lead time
From month-end to the finished management report.
For IT managers
Technology that doesn't add to your IT's workload.

- Platform
- Business Central Online and on-premises. Other ERP and shop systems after review.
- Formats
- DATEV format (ASCII) for posting batches, customers, vendors and G/L accounts.
- Standard
- Documented DATEV interfaces, aligned with your tax advisor's setup.
- Transfer
- Automatically via interface or as a validated file. Scheduled or with one click.
- Validation
- Checks for required fields, chart of accounts, tax keys, periods and duplicates.
- Security
- Entra ID, OAuth 2.0, Azure Key Vault, role-based permissions.
- Archive
- Document and posting stay linked. Archived audit-proof according to GoBD.
- Handover
- Training, documentation, knowledge transfer
Getting started
Start with your
system map.
One consultation. Together we map which programs you use and where data is moved into DATEV by hand.
Free of charge
Book a consultationResults of the conversation
- 01Your system map with all programs and data flows
- 02The places where data is retyped into DATEV today
- 03A first estimate of effort and benefit
- 04Clear next steps, with no obligation
Questions
Frequently asked questions
about the DATEV interface
What exactly goes to DATEV?
Postings as a posting batch, the matching documents if you want them, and the master data of customers and suppliers. What makes sense, we clarify in the first conversation with your tax advisor in mind.
Can't Business Central do this out of the box?
Does our tax advisor have to change anything?
They define the chart of accounts, posting keys and document format with us. After that they receive the data in DATEV as usual. There is no need to change firms.
Does this also work with Shopify, Shopware or Amazon?
Which charts of accounts do you support?
Do you work with our Business Central partner?
Yes. Your partner stays responsible for Business Central, we take responsibility for the integrations. We coordinate extensions, permissions and update dates directly with them. There is no need to change partners.
What happens to documents and e-invoices?
Are we tied to you afterwards?
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