Commission européenne, DG COMP MERGER REGISTRY, 1049 Bruxelles, BELGIQUE  
Europese Commissie, DG COMP MERGER REGISTRY, 1049 Brussel,   BELGIË  
 
Tel: +32 229 -91111. Fax: +32 229 -64301. E -mail: COMP -MERG ER-REGISTRY@ec.europa.eu . 
  EUROPEAN COMMISSION  
Brussels,  25.10.2022  
C(2022 ) 7836  final 
 PUBLIC VERSION  
Genstar Capital Partners LLC  
Four Embarcadero Center, Suite 1900  
San Francisco, California, 94111 -4191  
United States of America  
 
GTCR LLC  
300 North LaSalle Street , Suite 5600  
Chicago, Illinois 60654  
United States of America  
Subject : Case M. 10914  – GENSTAR CAPITAL / GTCR / JSSI  
Commission decision pursuant to Article 6(1)(b) of Council Regulation 
(EC) No 139/20041 and Article 57 of the Agreement on the European 
Economic Area2  
Dear Sir or Madam,  
1. On 29 September  2022 , the European Commission received notification of a proposed 
concentration pursuant to Article 4 of the Merger  Regulation by which the 
undertaking s Genstar Capital Partners LLC (‘Genstar Capital’, United States)  and 
GTCR LLC, (‘GTCR’, United States)  intend  to acquire within the meaning of 
Article s 3(1)(b)  and 3(4)  of the Merger Regulation indirect joint control of 
undertaking JSS Ho ldco LLC (‘JSSI’, United States ), which is currently under the sole 
control of GTCR , by way of purchase of shares .3 
2. The business activities of the undertakings concerned are  the following : 
 for Genstar Capital: investing in middle market companies in financial services, 
healthcare, industrial technology and software industries globally , 
                                                 
1 OJ L 24, 29.1.2004, p. 1 ( the ‘Merger Regulation ’). With effect from 1 December 2009,  the Treaty on 
the Functioning of the European Union ( ‘TFEU ’) has introduced certain changes, such as the 
replacement of ‘Community ’ by ‘Union ’ and ‘common market ’ by ‘internal market ’. The terminology 
of the TFEU will be used throughout this decision.  
2  OJ L 1, 3.1.1994, p.  3 (the ‘EEA Agreement ’). 
3  Publication in the Official Journal of the European Union No C 386, 7.10.2022 , p. 9. 

2  for GTCR: investing in growth companies in the financial services & technology, 
healthcare, technology, media & telecommunications and business services 
industries globally,  
 for JSSI: provision of maintenance programs for aircraft engines, airframes and 
auxili ary power units globally. In addition, JSSI offers aircraft parts for sale or 
lease and certain software solutions and provides advisory services . 
3. After examination of the notification, the European Commission has concluded that 
the notified operation falls within the scope of the Merger  Regulation  and of 
paragraph 5(c)  of the  Commission Notice on a simplified procedure for treatment of 
certain concentrations under Council Regulation (EC) No 139/2004 .4 
4. For the reasons set out in the Notice on a simplified procedure, the European 
Commission has decided not to oppose the notified operation and to declare it 
compatible with the internal market and with the EEA Agreement. This decision is 
adopted in applic ation of Article 6(1)(b) of the Merger  Regulation  and Article 57 of 
the EEA Agreement . 
For the Commission  
 
 
(Signed)  
Olivier GUERSENT  
Director -General  
                                                 
4  OJ C 366, 14.12.2013, p. 5 .