Cash ended the period at $146,085, while working-capital deficit widened to $4.5 million.
Management said it is pursuing acquisitions in private security and adjacent defense technologies, while warning additional capital will likely be required in 2026.
First-half revenue and profit trends
Sentinel Holdings posted revenue of $4.37 million for the six months ended June 30, 2026, more than doubled from a year earlier.
Net loss attributable to common shareholders narrowed 46% to $1.09 million, helped by a gain tied to the February sale of USS.
Operating loss widened 7% to $1.94 million as the company pursued competitively priced services aimed at expanding its California footprint.
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