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Portrait of Clemens Grossmayer

Clemens Grossmayer

Attorney-at-law for corporate law M&A

CMS Reich-Rohrwig Hainz
Rechtsanwälte GmbH
Gauermanngasse 2
1010 Vienna
Languages English, German

Specialisation in corporate law/M&A

Clemens Grossmayer is an attorney-at-law for corporate law/M&A. He is a partner of CMS and a member of the transaction team.


Clemens Grossmayer convenes a lecture course on the negotiation of M&A contracts both at the Faculty of Law of the University of Vienna and at the Vienna University of Business Administration. He joined CMS in Vienna in 2005.

Publications and articles

Clemens Grossmayer regularly publishes on corporate and company law topics. His doctoral thesis on a topic related to reorganisation law was awarded the 2010 Walther Kastner Prize of the Association of Austrian Banks & Bankers.


Clemens Grossmayer has been nominated for the award Acritas Stars 2021.

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Clemens Grossmayer ist von der deutschen JUVE im Bereich Corporate/M&A empfohlen.

JUVE 2014/2015


  • 2009 – Doctor of Laws, University of Vienna
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  • Big Deal? M&A Verträge richtig verhandeln! (Big Deal? Negotiating M&A agreements - the right way!, German publication), LexisNexis, 2013, co-author with Günther Hanslik
  • Einlagenrückgewähr – drei aktuelle Entscheidungen (Return of capital - three current decisions, German publication), ecolex, 2013, 951
  • Gläubigerschutz bei Abspaltungen (Creditor protection in spin-offs, German publication), Neuer Wissenschaftlicher Verlag, 2010
  • Kapitalerhaltung bei der GmbH & Co KG, (Preserving capital in a Gmbh & Co KG, German publication), ecolex, 2008, 1023
  • Legal company forms under Austrian law, in the International Bureau of Fiscal Documentation, German Institute of Tax Advisors (Deutsches Steuerberaterinstitut e.V.)/Special Institute of the German Association of Tax Advisors (Fachinstitut des Deutschen Steuerberaterverbandes e.V.)
  • Steuerberater Handbuch Europa (Handbook of European Tax Advisors, German publication), 2008, co-author with Stefan Fida and Hans-Christoph Graessner
  • Grenzüberschreitende Verschmelzungen von Kapitalgesellschaften nach dem EU-VerschG – Ein Überblick in Fragen und Antworten (Cross-border corporate mergers after the EU Merger Act (EU-VerschG) - an overview with questions and answers, German publication), SWK 2008, W 75, co-author with Stefan Fida
  • MAC-Klauseln in Unternehmenskaufverträgen (MAC clauses in company sale contracts, German publication), ecolex 2007, 829, co-author with Günther Hanslik
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Show only
CMS ad­vises CA Immo on the cross-bor­der sale of the Zagrebtower
CMS Vi­enna and CMS Zagreb demon­strate CMS’s spe­cial ex­pert­ise in cross-bor­der trans­ac­tions while ad­vising CA Immo on the sale of the Zagrebtower to the Aus­tri­an real es­tate com­pany S IMMO AG. Part­ner...
Cor­por­ate COV­ID-19 Act
The meas­ures to con­tain COV­ID-19 (keywords: ban on meet­ings and travel re­stric­tions) of­ten make it im­possible for share­hold­ers and board mem­bers to meet phys­ic­ally. The le­gis­lat­or is now re­act­ing to this...
Vir­tu­al gen­er­al and share­hold­er­s' meet­ings, vir­tu­al su­per­vis­ory board meet­ings...
The COV­ID-19 pan­dem­ic is caus­ing eco­nom­ic tur­moil for many com­pan­ies. Are GmbH share­hold­ers and share­hold­ers still en­titled to a dis­tri­bu­tion of the bal­ance sheet profit if busi­ness slumps in the new...
26 March 2020
CMS Ex­pert Guide to sta­bil­isa­tion and re­struc­tur­ing ini­ti­at­ive
Many com­pan­ies have already suc­cess­fully dealt with im­me­di­ate ques­tions such as sup­ply chain man­age­ment, scal­ing down busi­nesses, man­aging em­ploy­ees, cash flow man­age­ment and li­quid­ity re­serves. We are...
Lower Aus­tria mod­el for broad­band ex­pan­sion ready to go: Eis­en­ber­ger &...
To en­sure that Lower Aus­tria can sup­ply its rur­al re­gions with a fast and fu­ture-proof fibre-to-the-home ("FTTH") op­tic­al fibre net­work, Nieder­ös­ter­reichis­che Breit­band-Hold­ing and Al­li­anz Cap­it­al Part­ners...
Suc­cess­fully com­pleted bid­ding pro­cess: CMS sup­ports Nieder­ös­ter­reichis­che...
Broad­band for every­one! This is the motto of Lower Aus­tria’s ef­forts to build a broad­band net­work cov­er­ing nearly the en­tire state. The next step to this goal is a 300-mil­lion-euro in­vest­ment pack­age...
20 September 2018
CMS ad­vises capiton/Cym­biQ Group on the ac­quis­i­tion of an­o­vis it-ser­vices...
CMS ad­vises capiton/Cym­biQ Group on the ac­quis­i­tion of an­o­vis it-ser­vices and trad­ing gmbh Cym­biQ Group AG, a port­fo­lio com­pany of the Ger­man private equity in­vestor capiton, has ac­quired an­o­vis it-ser­vices...
Profit with en­ergy
Glob­al en­ergy de­mand is rap­idly grow­ing. Mov­ing to­wards a green­er en­ergy mix, in­ter­na­tion­al­isa­tion and the lib­er­al­isa­tion of en­ergy mar­kets are no longer empty phrases, but real phe­nom­ena shap­ing the...
CMS Ad­vises in Aus­tria’s Largest Private Equity Trans­ac­tion in 2017:
Fol­low­ing the trans­ac­tion clos­ing on 12 Septem­ber 2017, Tower­Brook Cap­it­al Part­ners is the new own­er of Salzburg-based Sch­weig­hofer Fiber GmbH. While the fin­an­cial terms were not dis­closed, the trans­ac­tion...
CMS as­sists XING AG in pur­chas­ing Pre­screen GmbH
XING AG has ac­quired Pre­screen GmbH for 17 mil­lion euros (pur­chase ex­er­cise price). Pre­screen op­er­ates the ap­plic­a­tion man­age­ment sys­tem of the same name. The pur­chase ex­er­cise price for the soft­ware...
07 April 2017
In­side M&A: De­vel­op­ments in the European M&A Mar­ket (Present­a­tion in Ger­man...
Die polit­ischen Ver­än­der­ungen im Jahr 2016 und die da­raus fol­genden mit­tel­fristi­gen wirtschaft­lichen Un­sich­er­heiten haben auch vor dem M&A Markt nicht Halt gemacht. Die Risikover­teilung bei Tran­sak­tion­en...
Ex­emp­tion from real es­tate trans­fer tax from the 1st of Janu­ary 2016 on­wards
The 2015/16 tax re­form brought with it fun­da­ment­al changes to real es­tate trans­fer tax du­ties in share deals.Com­plete art­icle in Ger­man