Consultants


Andreas Gilz
Tax consultant, partner
Diplom-Finanzwirt (FH)
Practice Areas
- Tax law of the company purchase
- Advising on audits, opposition proceedings and legal proceedings
- Business start-ups and restructuring
- Insolvency Tax
- International tax law
- Corporate Tax Law
- succession planning
- Tax law of private asset management, especially of real estate
- Intern responsible for in-house training courses
Additional qualification
Lecturer in Tax Law at the Academy Abels Kallwass Stitz, Cologne
Professional background
1990-1993
Studied at the Fachhochschule für Finanzen, Nordkirchen,
With degree Diplom-Finanzwirt
1994 – 2006
Employee / Partner and Head of the tax department of the company Abels Decker Kuhfuss & Partner Düsseldorf
1997
Appointment as a tax consultant
2005 – today
Lecturer in tax law
2007 – 2010
Individual practice in Düsseldorf
2010 to today
Partner of the tax firm Gilz Reisen & Partner
Consulting languages
German, English

Harald Reisen
Tax consultant, partner
Fachber. f. International tax law
Diplom-Kaufmann
Practice Areas
- International tax law
- Corporate tax law for corporations and partnerships
- Groups-/Affiliation taxation
- Tax law of the company purchase
- Advising on audits, opposition proceedings and legal proceedings
- business foundations and restructuring
- Real estate transfer tax law
- Tax-optimized company financing
Additional qualification
Consultant for International Taxation
Professional background
1989-1994
Studies of economics at the University of Essen with a focus on company taxation, business law and accounting, graduation as a Diplom-Kaufmann
1994-1998
Employee in the tax department of the WirtschaftsprüfungsgesellschaftPrice Waterhouse GmbH, Düsseldorf
1998
Appointment as a tax consultant
1998-2006
Later, senior manager and authorized officer in the tax department of the auditing firm Ernst & Young AG, Düsseldorf
2006-2010
Tax consultant, authorized signatory in the internationally active tax consultancy company WTS AG, Düsseldorf
2010
Appointment as specialist consultant for international tax law
2010-2011
Individual practice in Düsseldorf
2011 to today
Partner of the tax firm Gilz Reisen & Partner
Consulting languages
German, English

Patricia Klüsener
Certified Public Accountant (CPA Germany) Auditor, Tax Consultant, Partner
Business Graduate
Practice Areas
- Consolidated accounting according to German Commercial Code (HGB) and IFRS
- Financial Due Diligence investigations
- Advice in connection with company acquisitions and disposals
(Merger & Acquisition advice) - Modelling of planning of scenarios
- Development of remediation concepts
- Crisis management of companies
- Financial modelling, deviation and plausibility analyses
- Consulting in the field of optimization of accounting and bookkeeping systems
- Audits of annual financial statements, confirmations of value,
- Certificates according to Section 16 of the Makler u. Bauträgerverordnung (MaBV) (German Brokers and Property Developers Ordinance)
- Company valuations according to IDW (German Institute of Public Auditors) S1
Industry focus: Plant construction, industrial and automotive sector, public companies, especially energy supply, real estate
Professional background
1986–1991
Studied Business Administration at the University of Cologne, focus on Industrial Management, Auditing and Tax Law, graduated as Diplom-Kauffrau (Graduate of Business Administration)
1991–1997
Activity in the audit department of KPMG Peat Marwick, Düsseldorf, renamed KPMG DTG AG, Düsseldorf
1996
Examination and appointment as tax consultant
1997–1999
Employee of Ernst & Young AG, Frankfurt, Senior, Manager/Prokurist (Authorized Signatory)
1999
Appointment as auditor
1999–2009
Manager/Authorized Signatory of Ernst & Young AG, Düsseldorf, in the Audit Department
Since 2009
Individual private practice in Meerbusch
Since April 2019
Partner of the tax firm Gilz Reisen & Partner
Consulting languages
German, English

Julia Borack
Steuerberaterin / tax consultant
Fachberaterin for international tax law
Diplom Finanzwirtin (FH) / Graduated in tax administration
Master of Laws (Taxation)
Practice Areas
- Inheritance tax law / gift tax law
- Value-added tax law
- Tax planning
- Consultation on tax audits, opposition proceedings and legal actions
- Private and operational (business) tax returns
Professional background
2011-2014
Combined study programme at Fachhochschule für Finanzen (University of Applied Sciences for taxation), Nordkirchen
2014-2018
Tax assistant in the tax firm Gilz Reisen & Partner
2018
Appointment as a tax consultant
2018-2020
Studied Tax Law at the Westfälische Wilhelms-Universität, Münster
Graduated with Master of Laws (LL.M)
2018 to today
Tax consultant as employee pursuant to Art. § 58 StBerG in the tax firm Gilz Reisen & Partner
Consulting languages
German, English

Alois Laininger
Tax consultant
Diplom-Betriebswirt (FH)
Practice Areas
- Consultancy in tax and business affairs of freelancers (doctors, dentists, lawyers, architects), traders, advertising agencies, insurance buyers, craftsmen, service providers and employees
- Advising on audits, opposition proceedings and legal proceedings
- Corporate tax law, especially of the partnerships
- Accompanying and supporting talks and negotiations with banks as well as applying for grants or grants
Additional qualification
Activity as a mediator
Professional background
1967-1973
Education and employment Financial administration
1974-1979
Studied at the “Fachhochschule für Wirtschaft Düsseldorf”
Graduate in Business Administration (FH)
1980-1983
Working for a tax consultancy in Düsseldorf
1983-1996
Individual practice as tax advisor later as tax advisor in Düsseldorf
1996-2008
Partner in a medium-sized tax consultancy firm in Düsseldorf
2008-2009
Managing Director of a medium-sized tax consultancy and auditing company
2009-2011
Tax consultant as employee pursuant to Art. §58 StBerG in a medium-sized company GbR lawyers, tax consultants, notary
2011 to today
Tax consultant as employee pursuant to Art. Section 58 StBerG the tax firm of Gilz Reisen & Partner
Consulting languages
German, English

Robin Magunski
Steuerberater / tax consultant
Master of Laws (Tax Law)
Practice areas
- Preparation of financial statements according to HGB and tax balance sheets (E-balance sheet)
- Consultation on tax audits, opposition proceedings and legal actions
- Private and operational (business) tax returns
- Value-added tax law
- Supporting and consulting clients to digitalize their accounting, tax return or other business processes
Professional background
2014–2017
Apprenticeship as a tax consultant in a medium-sized tax firm in Düsseldorf
2014–2018
Studied Tax Law at FOM, University of Applied Science for Economics and Management, Düsseldorf (B.A. Tax Law)
2014–2018
Tax assistant in a medium-sized tax firm in Düsseldorf
2018–2020
Postgraduate degree in Tax Law at Ruhr-University Bochum
Graduated with Master of Laws
2019–2021
Tax assistant at Gilz Reisen & Partner, Steuerberater · Wirtschaftsprüfer
2021
Appointment as a certified tax consultant
2021 bis heute
Tax consultant as employee pursuant to Art. § 58 StBerG in the tax firm Gilz Reisen & Partner, Steuerberater · Wirtschaftsprüfer
Consulting languages
German, English

Peter Zimmermann
tax consultant
Graduate economist
Practice Areas
- Preparation of financial statements according to HGB and tax balance sheets (E-balance sheet)
- Corporate tax law for corporations and partnerships
- Group / affiliation taxation
- Tax law of the company purchase
- Advising on audits and opposition procedures
- Business start-ups and restructuring
- Tax-optimized corporate finance
- Optimization of process flows in accounting
- Value-added tax law
- Company valuations
Professional background
1999-2005
Studied economics at the Rheinische Friedrich-Wilhelms-Universität, Bonn, focusing on financial sciences, in particular the analysis of tax systems and optimization under economic aspects
Study internship in the tax department of Wirtschaftsprüfungsgesellschaft KPMG AG, Cologne
Graduated economist
2006-2012
Employee in a medium-sized tax firm in Düsseldorf
2009-2011
External consultant in a globally active American company in North Rhine-Westphalia
2012
Appointment as a tax consultant
2012 to today
Tax consultant as employee pursuant to Art. § 58 StBerG in the tax firm Gilz Reisen & Partner
Consulting languages
German, English