Clearlake Capital Group, a private equity firm based in the United States, has acquired Qualus Corporation, a provider of power and electric grid services. The transaction closed on March 25, 2026.

Deal-at-a-glance:
Aquirer:Clearlake Capital Group (US)
Target:Qualus Corporation (US)
Type:Acquisition
Value:Undisclosed
Closing Date:2026-03-25
Annc. Date:2026-03-25
Buy-side Adv.AEC Advisors, Harris Williams
Sell-side Adv.Not disclosed
Legal (buy)Simpson Thacher & Bartlett, Wachtell, Lipton, Rosen & Katz
Legal (sell)Not disclosed

The acquisition aims to drive grid modernization and enhance the resilience of power grids in response to increasing energy demand. The financial terms of the deal were not disclosed, but Clearlake Capital Group stated that Apollo, Goldman Sachs Alternatives, and Clearlake acted as joint lead arrangers for the financing.