SAP Silver Partner · DSAG Member · Solutions in the SAP Store

Press & Media of Consult-SK GmbH

You are researching SAP Finance, E-bill, P2P/O2C or Cash register dataSpeak directly with our experts. Our managing directors are available to the media for interviews, background discussions, and expert statements – clear, practical, and without a sales pitch.

Your Contact Persons

Two conversation partners, no press distribution list

Requests do not land in a communications department with us, but directly with the consultants who work on projects every day. Stephan Kaup and Thomas Dresselhaus provide original quotes, classify developments and are available for background discussions — even on short notice and when technical details are involved.

Stephan Kaup, Founder and Managing Partner of Consult-SK GmbH
Founder & Managing Partner

Stephan Kaup

POS Data & Tax Compliance in the SAP Environment

Founder of Consult-SK GmbH and the in-house expert for everything related to POS data and Tax compliance. He guides retail companies through the process of audit-proof cash register data archiving and auditing, advises on audit simulations, and assists with procedural documentation.

Topics
Thomas Dresselhaus, Managing Partner of Consult-SK GmbH
Managing Partner

Thomas Dresselhaus

Core business processes in SAP

Managing Partner focusing on core commercial processes in SAP. He talks about e-invoicing and E-invoicing, about order-to-cash and purchase-to-pay — and how historically grown process landscapes find their way to S/4HANA.

Topics
  • E-bill
  • XInvoice & ZUGFeRD
  • Peppol
  • SAP Finance
  • S/4HANA
  • Order-to-Cash
  • Purchase-to-Pay
  • Clean Core
Press & Media

You can ask us about these topics

Stephan Kaup and Thomas Dresselhaus are available for media inquiries regarding SAP Finance, e-invoicing, purchase-to-pay, and order-to-cash. Stephan Kaup is the contact person for POS data, KassenSichV, DSFinV-K, TSE, and tax compliance in the SAP environment. We provide analysis, quotes, and background discussions—even on short notice.

Topic Area 01

E-Invoicing & E-Invoicing

  • E-Invoice in SAP
  • XRechnung and ZUGFeRD
  • E-invoicing mandate 2027/2028
  • SAP DRC versus specialized solutions
  • electronic invoicing international
  • Incoming and outgoing invoices
  • Automation and Error Handling
  • E-Invoicing in heterogeneous system landscapes

Stephan Kaup and Thomas Dresselhaus are the contact persons for media inquiries regarding electronic invoicing in SAP, XRechnung, ZUGFeRD, Peppol, e-invoicing in heterogeneous system landscapes, and the e-invoicing mandate for 2027/2028.

Contact person for this topic
Topic Area 02

SAP Finance & Process Optimization

„SAP standard ends. We begin."

  • historically grown SAP processes
  • Standard versus Customization
  • SAP Finance
  • Automation
  • Clean Core / Extension Strategies
  • S/4HANA in the commercial process environment
  • Integration issues

Stephan Kaup and Thomas Dresselhaus are contact persons for media inquiries regarding SAP Finance, S/4HANA in the commercial process environment, Clean Core and extension strategies, as well as the question of where the SAP standard ends and customization begins.

Contact person for this topic
Topic Area 03

Order-to-Cash

  • Debt collection
  • Payment processes
  • Payment portals
  • Customer self-service
  • Automation of O2C processes
  • SAP Biller Direct / Successor Scenarios

Stephan Kaup and Thomas Dresselhaus are contact persons for media inquiries regarding Order-to-Cash in SAP, receivables management, payment processes, payment portals, customer self-service, as well as the successor solutions to SAP Biller Direct and SAP Cloud for Customer Payments.

Contact person for this topic
Topic area 04

Purchase-to-Pay

  • digital incoming invoice processing
  • Approval processes
  • Audit
  • Automation
  • SAP-integrated P2P processes
  • organic process landscapes

Stephan Kaup and Thomas Dresselhaus are the contact persons for media inquiries regarding Purchase-to-Pay in SAP, digital incoming invoice processing, invoice verification, approval processes, and the automation of established process landscapes.

Contact person for this topic
Topic 05 · Special Topic

POS Data & Tax Compliance

  • KassenSichV
  • DSFinV-K
  • TSE and TSE lifecycle
  • Cash register inspection
  • Cash register reporting obligation
  • tax audit
  • audit-proof POS data
  • Cash register data archiving in SAP
  • automated completeness check
  • Tax Compliance in Retail

Stephan Kaup is the contact person for media inquiries regarding POS data, KassenSichV, DSFinV-K, TSE, cash register inspections, cash register registration requirements, audit-proof POS data archiving in SAP, and retail tax compliance. The basis is the SAP-certified solution Receipt4S for archiving, auditing, and management of POS data.

Contact person for this topic
Press archive

Current press releases

Our press releases are published via the openPR press distribution service. Here you will find the latest news on e-invoicing, SAP financial processes, and tax compliance in retail — the full texts are free for editorial use.

July 30, 2026 openPR

TSE rollout wave 2026: What retailers need to know now about outages and licenses

The certificates of the first-generation TSEs are expiring, in some systems the license causes the entire cash register to stop immediately – and the data from decommissioned security devices still has to be...

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July 29, 2026 openPR

Countdown to the e-invoicing mandate: Webinar shows how companies can master the transition without a major project

Minden, 07/29/2026 – On January 1, 2027, the era of PDF and paper invoices in B2B business will come to an end: From then on, the sending of structured electronic invoices for companies with...

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July 27, 2026 openPR

Unannounced cash register inspection: Free check shows in five minutes whether cash register data is audit-proof

Consult-SK publishes free POS data readiness check and a new whitepaper on POS data compliance 2026 – anonymous, without registration and with a concrete action plan for retail companies using SAP. Minden, July 24, 2026. The…

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July 24, 2026 openPR

SAP DRC or lean solution? Two SAP partners on approaches to e-invoicing

In conversation: Stephan Kaup and Thomas Dresselhaus, managing directors of Consult-SK GmbH, on honest consulting instead of sales pressure – and on when SAP's own compliance platform is the right choice...

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July 14, 2026 openPR

E-invoice continues to cause uncertainty: SAP consultancy publishes three free online tools

Minden. Since the introduction of the mandatory e-invoicing requirement, many companies have been dealing with the same questions: Am I affected at all? Which format do I need – XRechnung or ZUGFeRD? And does my invoice fulfill...

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March 5, 2026 openPR

POS monitoring = Game changer: How proactive surveillance protects merchants from expensive audit surprises

Minden, March 4, 2026 – Since the massive increase in cash register audits by German tax offices starting in 2024, retailers have been under heightened scrutiny. While the Technical Security System (TSE)...

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All press releases in the openPR archive →
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