Thomas Zenker - SAP S/4HANA Group-Reporting and EC-CS

Q: Where is Thomas based?

Thomas is based in Schorndorf, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Thomas speak?

Thomas speaks the following languages: German (Native), English (Elementary) .

Q: How many years of experience does Thomas have?

Thomas has at least 44 years of experience. During this time, Thomas has worked in at least 27 different roles and for 31 different companies . The average length of individual experience is 1 year and 3 months . Note that Thomas may not have shared all experience and actually has more experience.

Q: What is Thomas's latest experience?

Thomas's most recent position is S/4HANA Group-Reporting at Trading group .

Q: What companies has Thomas worked for in recent years?

In recent years, Thomas has worked for Trading group .

Q: Which industries is Thomas most experienced in?

Thomas is most experienced in industries like Information Technology , Professional Services , and Manufacturing . Thomas also has some experience in Retail , Real Estate , and Insurance .

Q: Which business areas is Thomas most experienced in?

Thomas is most experienced in business areas like Information Technology , Finance , and Accounting . Thomas also has some experience in Marketing , Product Development , and Sales .

Q: Which industries has Thomas worked in recently?

Thomas has recently worked in industries like Retail .

Q: Which business areas has Thomas worked in recently?

Thomas has recently worked in business areas like Business Intelligence , Finance , and Information Technology .

Recommended expert

Schorndorf, Germany

Experience

Mar 2021 - Jan 2023

1 year 11 months

S/4HANA Group-Reporting

Trading group

As-is analysis of legacy EC-CS system, settings, and financial closings
FIT/GAP analyses, preparation and conduct of workshops
Process preparation according to EC-CS and S/4 best practices
Setting up S/4 Group-Reporting, including master data, integration, data migration, data monitor, and consolidation monitor
Organization, workshops, and support for intercompany reconciliation and matching (ICMR)
Configuring reporting and group data analysis
Setting up Fiori launchpad and Fiori apps for Group Reporting
Preparing test scenarios and testing the GR processes
Quality check of customizing and data migration
Subproject leadership in S/4HANA greenfield project for Group Reporting

Feb 2019 - Feb 2021

2 years 1 month

S/4HANA Group-Reporting

SAP consulting partner

Analyses, concepts, documentation, and workshops
Implementation strategies, integration, data migration, processes
Setting up test systems and templates for clients in the pharmaceutical industry
Setting up standard: master data, data and consolidation monitor, reporting, and data migration

Oct 2017 - Jan 2019

1 year 4 months

SAP EC-CS and FI

Insurance companies, real estate management firms, public sector and city administration

Implementation and consulting for SAP EC-CS module with FI integration

Oct 2015 - Sep 2017

2 years

Cologne, Germany

SAP EC-CS

Galeria-Kaufhof

Implementation and consulting for SAP EC-CS module, covering all EC-CS functions
FI integration and data migration processes
Support for ongoing group financial closings
Conversion to a new position plan, new view, and new versions
Scenarios for mapping and derivation with positions/group accounts
Separation and re-presentation of subgroups (department stores / real estate)
New setup and technical initial consolidation

Dec 2014 - Aug 2015

9 months

Düsseldorf, Germany

SAP EC-CS

AHG

Implementation, consulting, and project management for SAP EC-CS module
Support for ongoing group financial closings

Oct 2013 - Sep 2015

2 years

Germany

SAP FI / CO

VION Deutschland

Initial implementation of FI, FI-AA, NewGL, CO, PCA
Setup of the group chart of accounts and balance sheet structures
Design and implementation of Fast-Close, ICR, EA environment, ...
Mid-year migration from JDE to SAP (balances, open items, ...)
Interfaces to/from SAP: MDM master data, documents, ...
Transfer of closing data (FAGLFLEXT) to HFM consolidation
Design and programming of data transfer from SAP to Hyperion
ABAP programming: migrations, interfaces, Z-programs
Concept development for intercompany clearing with the FI-ICR tool

Jan 2012 - Dec 2015

4 years

Remote

SAP FI / EC-CS / BCS Remote Support

Healthcare, publishing, real estate, automotive suppliers, insurers, municipalities and city administrations

Ongoing remote support for SAP modules FI, NewGL, FI-SL, FI-ICR, BCS, EC-CS, CO-PCA, ...
Support: individual and consolidated financial statements, HGB, IFRS, budgets, forecasts, intercompany reconciliation, ...
Analyses: BCS deployment, e-balance sheet solutions, parallel ledgers, ...
Separating corporate entities or SAP processes across clients with different fiscal years
Parallel closings and reports using special ledgers
Analysis with departments and optimization of SAP processes for FI, CO, EC-CS, BCS, integration and reporting
Concept for PCA and management consolidation
As-is analysis, documentation, troubleshooting, and go-live of the BCS system
Implementation of intercompany reconciliation in FI (ICR) and in EC-CS

Jan 2012 - Jun 2012

6 months

Germany

SAP FI / E-Balance Sheet

VION Deutschland

Analysis, design, implementation and customizing of the e-balance sheet solution in FI and handover to the tool
Group chart of accounts: organization, setup in Excel, ABAP for mass creation, mapping to local accounts, ...
Balance sheet/P&L structure: creating the taxonomy or positions, mapping group and local accounts, ...
E-balance sheet reports: generating RFBILA layouts, creating query reports, analyses for individual and consolidated financial statements, ...
Consolidation of 3 subgroups or 3 SAP systems for group financial statements and e-balance sheet

Dec 2011 - Feb 2012

3 months

SAP FI / EC-CS / ICR / PCA

Entertainment industry

Optimization analysis, concept development and consulting for the SAP modules EC-CS, FI, ICR and PCA
Legal and management consolidation, FI integration, data quality, data transfer, profit center accounting, ...

Sep 2011 - Mar 2012

7 months

Kempten, Germany

SAP EC-CS

SRI Kempten

Implementation and consulting for the SAP module EC-CS
FI extraction, integration and periodic extract
Support for ongoing group closings

Jun 2010 - Dec 2011

1 year 7 months

SAP FI / ICR / EC-CS

Telecommunications

Support for FI restructuring and company code conversion
Implementation and support of EC-CS
Organization and implementation of FI-ICR (intercompany reconciliation)
Analysis for e-balance sheet, New GL, FI-SL
Concept development and project coordination for GDPdU

Feb 2010 - Sep 2011

1 year 8 months

SAP FI / CO / EC-CS

LA electronic Holding

Introduction of new company codes and group restructuring for SAP modules FI, AA, CO, PCA, EC-CS
Fiscal year change (short fiscal year)

Sep 2009 - Mar 2010

7 months

SAP EC-CS

Real Estate Industry

Support for a consulting firm
Current state analysis, FI data migration, reporting via research and Report Painter/Writer

Jun 2009 - Jun 2010

1 year 1 month

Remote

SAP FI / EC-CS Remote Support

Various corporations

Remote support and consulting
Functional and technical support for: closings, planning, reporting, BILMOG, integration, …

May 2009 - Aug 2009

4 months

SAP EC-CS

Telecommunications

Functional and technical support for group restructuring

Apr 2009 - Apr 2009

1 month

SAP-SEM-BCS / EC-CS

Various clients, industry

Feasibility studies for introducing SEM-BCS or EC-CS

Mar 2007 - Mar 2009

2 years 1 month

Germany

SAP EC-CS / FI

Praktiker AG

Independent and complete implementation of a comprehensive EC-CS system integrated with FI.
Functional concepts, implementation strategies, documentation
Project management, consulting, customizing, training
Extensive data and consolidation monitors
Closings for IFRS, HGB, actuals, and planning
Implementation of intercompany reconciliation, asset roll-forward, and present value capture
Extensive notes, planning, and reconciliation systems
Large reporting system (queries, Report Painter/Writer)
ABAP tools: MD entry, additional validation, currency upload
Detailed audit system with validations and authorizations
Carve-out of a sub-group and migration of historical data
Integration with FI, Controlling, legal database, tax tool
Implementation of backup and transport solutions
Support for the business department in monthly, quarterly, and annual closings
Design and transition to BILMOG

Jan 2006 - Feb 2007

1 year 2 months

Germany

SAP EC-CS

Böwe-Systec AG

Implementation of EC-CS and merging internal and external financial reporting
Project management, DE and EN customizing, functional and technical consulting
Design of an extensive Excel data-entry system
Closings for IFRS, UKV, GKV, HGB, actuals, planning, and forecast
Multiple subgroups with different group currencies
Data transfer between subgroups with different currencies
Implementation of a custom EC-CS feature "Product"
Currency translation, intercompany eliminations, reclassifications
Introduction of intercompany profit elimination
Segment reporting by country and product
Implementation of comprehensive capital consolidation, all consolidation tasks, handling of hidden reserves, etc.

Jan 2004 - Dec 2005

2 years

Remote

SAP FI / FI-SL / New FI-GL and CO / PCA as well as EC-CS / BCS remote support

Neschen AG, HÜCO Electronic, VION AG, Marktkauf, National-Versicherung Schweiz, Arvato-Systems Bertelsmann

Remote support and consulting for various medium-sized and large companies.

Jun 2003 - Dec 2003

7 months

Germany

SAP FI / FI-AA / CO / EC-CS

Marktkauf

Conversion to parallel accounting (HGB/IAS) with the chart-of-accounts-based solution
Release upgrade to Enterprise 4.70
Implementation of UKV, segment reporting, cash flow
Enhancements in FI-AA, CO, and EC-CS
Integration from FI to EC-CS (postings, periodic extract)
Creation of "parallel accounts", balance sheet and P&L structures

Apr 2003 - May 2003

2 months

Germany

SAP-SEM-BCS

AVA AG

Feasibility study and rough concept for migrating consolidation from EC-CS -> SEM-BCS
Planning of functions and activities for SEM-BCS

Sep 2002 - Apr 2003

8 months

Germany

SAP EC-CS

T-Systems

Enhancement and optimization of a comprehensive reporting system
Optimization of management reporting (research)
Consulting and customizing for EC-CS

Jul 2002 - Aug 2002

2 months

SAP FI / MM Interface Implementation

Various industrial clients

Development and implementation of a standard interface between Freeformation software and SAP R/3 FI / MM
Design, implementation and go-live of ABAPs
Consulting and optimization of SAP R/3 FI and MM

Aug 2001 - Jun 2002

11 months

Germany

SAP EC-CS

Continental

Design and development of a comprehensive data capture tool for reporting data and individual financial statements
Organization of data collection for country subsidiaries
Design for balance sheet, P&L, notes, investments, and personnel data
Management consolidation by divisions and products
Automatic maintenance of position plans under US GAAP and IAS

Apr 2000 - Aug 2001

1 year 5 months

Germany

SAP EC-CS / FI-LC

AVA AG

Replacement of FI-LC consolidation and new implementation of the EC-CS system
Project management, design, customizing and training for EC-CS
Master data (group structures, position plans, versions, ...)
Data and consolidation monitor (actions, closings, ...)
Input layouts, validations, additional reporting data, ...
Currency translation, group eliminations, reclassifications, capital consolidation, ...
Information system (standard reports, research, Report Painter)

Jan 2000 - Mar 2000

3 months

Germany

SAP FI / FI-SL

Metro AG

Conversion of international FI (GL, AA, LC) from HGB to IAS
Implementation of FI-SL for data preparation and transfer to EC-CS
FI to EC-CS integration (account assignments, periodic extract)
Creation of Parallel Accounts, balance sheet and profit & loss structures

Oct 1999 - Dec 1999

3 months

SAP IS-RE / FI

CEV

Design and consulting for the IS-RE industry module

Apr 1999 - Sep 1999

6 months

SAP FI / FI-AA

Schleifring

Consulting, training and go-live for FI and FI-AA

Oct 1998 - Mar 1999

6 months

Germany

SAP FI-Schnittstellen

Calida, Ernst Klett, Reemtsma, Stadtwerke Bremen, Deutsche Leasing

Design, programming and rollouts of the standard interface between XRT Treasury bank accounts+ and SAP R/3 FI
Go-live of the FI standard interface
Consulting and optimization of FI (payment runs, automatic clearing, …)

Jan 1996 - Sep 1998

2 years 9 months

Germany

SAP FI / FI-AA / FI-LC / TR / CO

AVA AG

Project management, consulting and implementation of SAP R/3 financial accounting
Go-live of around 100 company codes/entities
Customizing: GL, AR, AP, AA, BL, SL, LC, TR, CO
Automated processes: payment run, dunning run, clearing, closing, …
Optimization of high document volume and R/3 mass tests
Design and programming of the Central Document Interface and tools for fast document entry, document transfer, …
Integration of customer merchandise management with SAP FI
Management and training of internal and external project team members
Ongoing optimizations and several release upgrades

Jan 1995 - Dec 1995

1 year

SAP FI / AM / TR / CO

HARTING, Schmidt + Clemens, GDR, Wellmann, ZF

Design of a standard migration tool STEEB -> SAP R/3
Migrations of STEEB accounting to SAP R/3
Implementations of SAP R/3 FI / AM / TR / CO
Development of workshop concepts for FI and TR

Oct 1993 - Dec 1994

1 year 3 months

SAP HR

DOGRO, Konsum

Consulting, training, and go-live of SAP R/3 HR
Support and processing of payroll

Jun 1992 - Sep 1993

1 year 4 months

SAP Project Management

DOGRO-Partner

Setting up a new SAP consulting division in the software company
Cooperation with SAP and midmarket partners
Strategic planning, marketing, training
First software tests for the R/3 FI module at SAP

Jul 1983 - May 1992

8 years 11 months

Product manager and consultant for STEEB standard software

STEEB, DOGRO

Management, design and programming of SFW financial accounting and SPW human resources
Sales, trade shows, presentations, manuals, …

Jul 1979 - Jun 1983

4 years

Germany

IT Manager

SCHOCK

IT and data center management in a SIEMENS data center
Application programming in COBOL and ASSEMBLER

SAP EC-CS – Support for Existing Customers

Various Industries

Support and advising on individual and consolidated financial statements for various existing customers, both functionally and technically
Support in capital consolidation and processes such as initial consolidation and final consolidation
Optimization of group structures, position plan, reporting, etc.
Transition of data transfer procedures and processes
Optimization of FI processes for intercompany, group reconciliations, and reporting mirror in EC-CS

Migration of EC-CS to Group Reporting

Various Corporate Groups

Current brownfield migration from EC-CS to S4-GR for an existing client, a real estate group
Initial migration activities and planning for EC-CS to S4-GR at an insurance group
Supporting consulting firms with the migration from EC-CS to S4-GR for several clients and groups
Project planning, analyses, workshops, and preparation of SAP notes and guides for brownfield migration and hybrid processing

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Professional Services, Manufacturing, Retail, Real Estate, and Insurance.

Information Technology

Professional Services

Manufacturing

Retail

Real Estate

Insurance

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Finance, Accounting, Marketing, Product Development, and Sales.

Information Technology

Finance

Accounting

Marketing

Product Development

Sales

Skills

Sap Accounting
Functional And Technical Sap Support
Leading Sap Projects
Consolidation: Ec-cs And S/4hana Group-reporting, Sem-bcs, Fi-lc
Finance: Fi-gl, Fi-ap, Fi-ar, Fi-bl, Fi-sl, Fi-icr
Migration
Interfaces
Organization, Coordination, Project Management
Implementation, Support, Optimization, Release Upgrades
Workshops And Training
Design, Development, And Go-live Of Sap Tools And Customer-specific Sap Applications
Design, Development, And Go-live Of Extensive And Flexible Standard Interfaces
Organizational Programming In Abap, Cobol, And Assembler
Creating Forms Using Sap Script
Developing Reporting Systems Using Sap Query And Report Writer/report Painter
Independent And Full Functional And Technical Implementation Of Ec-cs And Fi Systems
Strong Communication Skills And Ability To Work In A Team
Practical Process Knowledge In Accounting And Sap
Good Negotiation Skills And Presentation Skills
High Level Of Client Focus, Self-reliance, And Flexibility
Good Social And Emotional Competence
Effective, Cost- And Goal-oriented Project Execution
Cost-effective Rates And Contingents, E.g., For Remote Consulting
Flexible Working Times, Including Evenings And Weekends
Additional Consultant Network Available

Languages

German

Native

English

Elementary

Education

Business Administrator (VWA) · Business Administration

Statistics

Experience

Total positions 37

Experience in Information Technology 11 y

Avg length 1 y 3 m

Longest experience 8 y 10 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles S/4HANA Group-Reporting, SAP EC-CS and FI, SAP EC-CS

Main industries Information Technology, Professional Services, Manufacturing

Main business areas Information Technology, Finance, Accounting

Profile

Created

January 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Thomas based?

Thomas is based in Schorndorf, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Thomas speak?

Thomas speaks the following languages: German (Native), English (Elementary).

How many years of experience does Thomas have?

Thomas has at least 44 years of experience. During this time, Thomas has worked in at least 27 different roles and for 31 different companies. The average length of individual experience is 1 year and 3 months. Note that Thomas may not have shared all experience and actually has more experience.

What roles would Thomas be best suited for?

Based on recent experience, Thomas would be well-suited for roles such as: S/4HANA Group-Reporting, SAP EC-CS and FI, SAP EC-CS.

What is Thomas's latest experience?

Thomas's most recent position is S/4HANA Group-Reporting at Trading group.

What companies has Thomas worked for in recent years?

In recent years, Thomas has worked for Trading group.

Which industries is Thomas most experienced in?

Thomas is most experienced in industries like Information Technology, Professional Services, and Manufacturing. Thomas also has some experience in Retail, Real Estate, and Insurance.

Which business areas is Thomas most experienced in?

Thomas is most experienced in business areas like Information Technology, Finance, and Accounting. Thomas also has some experience in Marketing, Product Development, and Sales.

Which industries has Thomas worked in recently?

Thomas has recently worked in industries like Retail.

Which business areas has Thomas worked in recently?

Thomas has recently worked in business areas like Business Intelligence, Finance, and Information Technology.

What is Thomas's education?

Thomas attended education in Business Administration.

What is the availability of Thomas?

Thomas is immediately available part-time for suitable projects.

What is the rate of Thomas?

Thomas's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.