Lafayette Instrument, a portfolio company of Branford Castle Partners, has acquired Sutter Instrument Corp, a Novato, California-based manufacturer of high-precision scientific instruments. Sutter specializes in equipment for biomedical research, particularly in neuroscience, electrophysiology and microscopy applications.

This acquisition marks the fifth bolt-on investment for Lafayette since Branford Castle acquired the company in 2021. Benjamin Mangrich serves as CEO of Lafayette Instrument. The deal expands Lafayette's product portfolio and strengthens its position in the scientific instrumentation market, which serves life sciences, polygraph and human evaluation testing sectors.

The transaction reflects continued consolidation in the specialized scientific instrumentation space, where players are seeking scale and broader product offerings through strategic acquisitions. Sutter's precision instrumentation capabilities complement Lafayette's existing expertise in life sciences testing equipment.