German and International Tax Services

As certified German Tax Advisors we provide our clients with high-level tax advice in regard to any German and international tax issues. Our main competence is in the project driven business for in- & outbound cases and the handling of complex tax audits.

We truly believe that by being excellent and transparent in everything we do there is a solution for every challenge!

Focus

We are ready to go the extra mile for our clients. In our project driven business cases we do not shy away from taking the lead by providing Project Management Services throughout all work streams. This holistic approach combined with excellent technical tax skills allows us and our clients to connect the dots and stay on top of things.

Excellence

We don’t provide out-of-the-box services! We first understand our clients’ specific situation and needs. This allows us to provide customized solution for every project. The clients‘ underlying business should be the foundation for each project. Rather than suggesting our clients to change their operating set up in order to make tax decisions, we provide the most practical and efficient tax solutions within the existing set up.

Hands-On Mentality

With us on board, our clients have a hands-on partner who is willing to roll up their sleeves and get to work. We understand that our clients are facing challenges on a daily-bases, therefore, our solutions focus especially on practicability.

Aaron Gerwig LL.M.

  • Bachelor in Accounting, Tax Law and Business Law (DHBW Villingen-Schwenningen)
  • Master of Laws in International Tax Law (Vienna University of Economics and Business)
  • Certified Tax Advisor since 2020
  • Owner of AG Tax & Advisory Steuerberatungsgesellschaft mbH and Gerwig & Kollegen
    Steuerberatungsgesellschaft mbH
  • Lecturer for International Tax Law at the DHBW Villingen-Schwenningen

  • Aaron offers the full range of tax consulting services for family offices, start-ups and enterprises.
  • He advises many multinational operating clients from the middle market sector also defending their interests in front of the German fiscal courts.
  • Furthermore, due to the proximity to the Swiss border, Aaron has great knowledge in the inbound scenarios of Swiss enterprises operating in Germany.
  • Aaron also offers assistance in the conducting of arbitration proceedings including the out-of-court settlement of disputes.

  • The Service PE (Article 5) Binder/Wöhrer (Hrsg.), Wien Special Features of the UN Model Convention, 1. Aufl. 2019 (Gerwig)

aaron.gerwig@ghs-tax.com

Sören Schwechel LL.M.

  • Bachelor in Accounting, Tax Law and Business Law (DHBW Villingen-Schwenningen)
  • Master of Laws in International Tax Law (Vienna University of Economics and Business)
  • Certified Tax Advisor since 2021
  • Worked for several years at Flick Gocke Schaumburg in Bonn
  • Lecturer for International Tax Law at the DHBW Villingen-Schwenningen
  • Member of Young IFA Network (YIN)

  • Sören’s focus lies on tax advice on all matters of income taxation of multinationals, family-owned companies and private clients.
  • He offers extensive experience in advising on transactional matters (M&A) from a tax and financial point of view and exhibits particular expertise in the tax structuring of private equity transactions.
  • Sören is specialized, in particular, in business taxation, restructuring tax law and international tax law.

  • Praktische Anwendungsfragen zur Forschungszulage in Organschaftsfällen
    DStR 2020, 1548 (Bärsch/Dreßler/Barbu/Schwechel)
  • Die steuerliche Förderung von Forschung und Entwicklung im Rahmen des
    beschlossenen Forschungszulagengesetzes
    Ubg 2020, S. 6 (Dreßler/Schwechel)
  • Eigenkapitalersetzende Darlehen als nachträgliche Anschaffungskosten bei Auflösung und
    Veräußerung nach § 17 EStG – BFH bestätigt Vertrauensschutz und sieht Indizwirkung des
    Jahresabschlusses (Az.: IX R 13/18)
    WPg 2020, S. 302 (Dreßler/Schwechel)
  • The Fiscally Transparent Entity Clause and the Saving Clause in Article 1
    Binder/Wöhrer (Hrsg.), Wien
    Special Features of the UN Model Convention, 1. Aufl. 2019 (Schwechel)
  • Korrektur inländischer Nutzungseinlagen – Reformvorschlag nach „Hornbach-Baumarkt AG“
    DStR 2018, 2653 u. 2716 (Jacobsen/Schwechel)
  • Aufwärtsverschmelzung löst laut BFH Einbringungsgewinn II aus – Einordnung des
    enttäuschenden Urteils I R 48/15
    Ubg 2018, 439 (Dreßler/Schwechel)

soeren.schwechel@ghs-tax.com

Lukas Hamke LL.M.

  • Bachelor in Accounting, Tax Law and Business Law (DHBW Villingen-Schwenningen)
  • Master of Laws in Corporate Tax Law (University of Cologne)
  • Certified Tax Advisor since 2021
  • Certified Valuation Analyst (CVA) since 2023
  • Worked several years at PWC in Frankfurt
  • He also worked at WTS in Frankfurt
  • Member of Young IFA Network (YIN) and EACVA e.V.

  • Lukas has several years of experience in the Big 4 environment. Providing tax advice to German and foreign multinational companies on domestic and international corporate tax issues.
  • Working on outbound projects, Lukas has gained experience with the project management in global transactions considering over 30 jurisdictions and other workstreams.
  • Lukas provides tax technical advice related to German domestic and international tax issues, in particular in German inbound cases as well as in a transactional context.
  • Planning and implementation of tax optimized reorganizations, acquisition and financing structures, inbound structuring as well as other business driven tax structuring.
  • Lukas provides support in tax due diligences in the course of M&A deals as well as assistance with the post-merger integrations.

lukas.hamke@ghs-tax.com

Adam Gerwig, Diplom Betriebswirt (BA)

  • Certified Tax Advisor
  • Diplom Betriebswirt (BA) (DHBW Villingen-Schwenningen)
  • Owner of AG Tax & Advisory Steuerberatungsgesellschaft mbH and Gerwig & Kollegen Steuerberatungsgesellschaft mbH

  • Adam is a Senior German Tax Advisor and has several years of experience in providing tax advice to German and foreign companies on domestic and international corporate tax issues.
  • Adam advises in financing as well as corporate restructurings, internal structuring and general tax planning and tax disputes.
  • Furthermore, Adam has great knowledge on German tax compliance obligations.

adam.gerwig@ghs-tax.com