SQN Venture Partners

SQN Venture Partners is a venture debt firm founded in 2015 and based in Portsmouth, New Hampshire. The firm specializes in providing debt facilities to early and mid-stage companies across various industries, including manufacturing, agricultural technology, artificial intelligence, biotechnology, consumer technology, cybersecurity, robotics, automation, sustainable energy, and life sciences. SQN Venture Partners collaborates closely with entrepreneurs to create alternative financing solutions that support growth and complement traditional venture capital. The capital provided is typically utilized for essential business equipment, key hires, working capital needs, or extending operational runway. With a focus on fostering successful exits, SQN Venture Partners is recognized as a reliable resource for financing transformative companies.

Nicholas Barnett

Executive Vice President

Ryan McCalley

Managing Partner

Jeffrey Rosenthal

Vice President

Past deals in Albuquerque, NM

Aqua Membranes

Series B in 2024
Aqua Membranes develops membrane elements for reverse osmosis filtration, featuring three-dimensional printed spacer technology that prints spacers directly onto spiral-wound membranes. This approach replaces traditional feed spacer mesh, improving flow, enlarging effective membrane surface area, and reducing fouling and energy use. The company’s elements are used in home and commercial RO systems, seawater desalination, food and beverage processing, and industrial processes, with applications across filtration and concentration steps. The objective is to deliver higher efficiency and a more sustainable water future by enabling stronger performance in membrane filtration.
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