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Announcements

Sidley Represented Thompson Street Capital Partners in Its Investment in Karpel Computer Systems

March 25, 2026
Sidley represented Thompson Street Capital Partners (TSCP) in its growth investment in Karpel Computer Systems, Inc., a provider of prosecutor case management software for state and local government agencies. TSCP is focused on investing in founder-owned middle market businesses in the life sciences and healthcare, software and technology, business and consumer services, and products sectors.

The Sidley team was led by Brent M. Steele and Emily M. Olivera (M&A and Private Equity) and included support from Roger R. Wilen, Anthony T. Caneris, Andrew D. Brown, and Francesca J. Sikora (M&A and Private Equity); Kristen L. Smith, Caroline Roberts, Celeste A. Acevedo, and Robin W. Bradley (Global Finance); E. Kyle Barnett and Sophia Iams (Technology and Life Sciences); Stephen W. McInerney and Kiana Boroumand (Privacy and Cybersecurity); Lauren A. Gallagher and Nicholas Carballo (Employee Benefits and Executive Compensation); Teresa L. Reuter and Kristina H. Daisak (Labor, Employment and Immigration); Kyle J. Fiet (Government Contracts); Suresh T. Advani and Zachary R. Tarnow (Tax); Elizabeth K. McCloy and Brandon Bryer (Real Estate); and Mary K. Marks and Damos Anderson (Antitrust and Competition).