CMS Hasche Sigle Partnerschaft von Rechtsanwälten und Steuerberatern mbB
CMS Hasche Sigle is a German law and tax advisory firm operating as part of the international CMS network.
Last updated September 25, 2026
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Overview
CMS Hasche Sigle Partnerschaft von Rechtsanwälten und Steuerberatern mbB is a German professional-services firm providing legal and tax advice. Its public-facing German brand is commonly presented as CMS or CMS Deutschland. The firm describes its work as business-oriented, forward-looking legal advice that combines knowledge of local markets with an international perspective. Its stated aim is to help clients identify emerging challenges and opportunities and to develop practical solutions suited to their business goals. The firm serves companies and other clients on complex matters, including economic and business-law questions. CMS also describes its lawyers as specialists in their respective fields and emphasizes support for clients operating nationally and internationally. The German practice sits within the wider CMS network: the official website describes that network as comprising 22 member firms, with a presence in more than 50 countries and over 90 offices. These figures refer to the CMS network as a whole, not solely to the German partnership. The firm’s work is supported by lawyers and by business-services professionals. Its German careers materials describe opportunities for lawyers, law students and people working in business-services functions, as well as development and training through the CMS Academy. The materials present the organization as seeking people who are innovative, courageous and willing to shape future-facing work. The supplied evidence identifies Dr. Martin Vorsmann as Managing Partner of CMS Deutschland and lists Berlin in connection with his contact information. It does not establish the partnership’s founding date, headquarters, ownership structure or a fuller leadership roster. CMS’s German website also warns about fraudulent messages impersonating CMS representatives, including messages seeking payment for alleged unpaid invoices or offering purported insolvency assets; the firm says these communications are not connected with CMS.
History
The supplied sources do not establish a founding date or provide a dated account of the formation and development of CMS Hasche Sigle Partnerschaft von Rechtsanwälten und Steuerberatern mbB. Accordingly, no specific founding event or historical turning point can be stated from this evidence. The available material presents CMS Hasche Sigle as the German practice associated with CMS Deutschland and as part of the international CMS network. CMS describes that network as comprising 22 member firms, with more than 10,000 employees, over 7,400 lawyers, offices in more than 90 locations and a presence in over 50 countries. Those figures describe the broader network rather than the German partnership alone. The firm’s stated approach is “Future Facing Law”: it aims to anticipate changes in industries, business models and regulation, and to provide practical, business-oriented advice that helps clients prepare for challenges and recognize opportunities. It presents its lawyers as specialists who combine local market knowledge with a global perspective and who develop solutions for clients’ particular needs. The supplied German careers page also describes varied career routes for lawyers, law students and business-services professionals, alongside professional development through the CMS Academy. The sources identify Dr. Martin Vorsmann as Managing Partner of CMS Deutschland and associate his contact information with Berlin. They do not establish that Berlin is the partnership’s headquarters. The firm’s German website has also published a warning about fraudulent communications impersonating CMS. It describes messages about allegedly unpaid invoices and supposed purchases of insolvency assets, and advises recipients not to respond or transfer money. The firm states that such messages and the domains used by the senders are not connected to CMS.
Products and positioning
A future-facing, business-oriented legal and tax advisory firm that combines local market knowledge with the reach and perspective of the international CMS network.
Legal and tax advisory services
Professional advice for clients on complex legal, economic and business matters.
CMS Academy
A professional development and training offering referenced in CMS Germany's careers materials.
Sources5 sources
- 1Ihre Karrieremöglichkeiten bei CMS in Deutschlandcms.law
- 2CMS Corporate Video – Unsere Werte, unsere Kultur, unser Teamcms.law
- 3Über CMS - Eine zukunftsorientierte Anwaltskanzleicms.law
- 4CMS | Warnung: Betrügerische E-Mails und Nachrichtencms.law
- 5CMS Hasche Sigle Partnerschaft von Rechtsanwälten und Steuerberatern mbBwikidata.org
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