The management team – Our managing partners in Hamburg and Flensburg

Rosemarie Gergen
Rosemarie GergenTax Consultant, Certified Public Accountant, Partner
Rosemarie Gergen is a co-founder of the law firm SINGHOFEN & GERGEN in Flensburg, existing since 1989. The focus of her occupation is the audit/preparation of annual accounts and the interdisciplinary consulting of companies. This covers – besides the tax advisory services – especially consultation in context with the restructuring of companies, M&A, advice on legal structuring of companies and the procedure with insolvency plans.

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Jan Elvers
Jan ElversTax Consultant, Partner
Jan Elvers is long-time Managing Director and partner of Osterloh & Nottbohm GmbH in Hamburg. Focuses on development of tax schemes for companies and private persons, including international tax implications, the consultation in connection with social insurance, especially for delegations of employees in foreign countries (expats) and consultations for start-up entrepreneurs.

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Michael Kasimir
Michael KasimirTax Consultant, Certified Public Accountant, Partner
Michael Kasimir is also a longtime partner and Managing Director of Osterloh & Nottbohm in Hamburg. Besides tax advisory and auditing services he is involved also in IFRS implementation, M&A, the conduct of internal audits and consultations in the context of over the border subcontracting of labor services.

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Personal and expert advice – because you can take us at our word.

We know from our own experience how important it is to have a long-term partner, who is highly competent, familiar with all respective topics and on top of that available as regularly as possible. Just how to effectively get to the best solutions. With us every single client is therefore maintained by one of the three partners – that we give you our word.