Water Technology Company Hits $1 Billion Valuation after Fundraising

BOSTON– Mintz represented Gradiant Corporation, a global end-to-end solutions provider of advanced water and wastewater treatment, in its Series D financing. The Series D financing is led by BoltRock Holdings and Centaurus Capital, who invested an aggregate of $225 million in Gradiant at the initial closing, bringing Gradiant’s total funding to date to over $400 million and its valuation to $1 billion. The funding will be used to continue the company’s expansion into strategic markets to make Gradiant the preferred water partner of the world’s essential industries. The funding will also support growth into new geographies, such as the Middle East and Europe, and further advance Gradiant’s R&D programs.

Boston-headquartered Gradiant designs, builds, and operates end-to-end water treatment solutions for the world’s most important industries, including semiconductors, pharmaceuticals, food & beverage, lithium and critical minerals, and renewable energy. The company’s proprietary technologies and integrated digital solutions reduce water usage, reclaim valuable resources, and renew wastewater into freshwater for some of the world’s largest companies, including Micron, TSMC, GSK, Pfizer, SLB, Rio Tinto, AB InBev, and Coca-Cola.

For over a decade, Mintz has been a trusted partner of Gradiant, working closely with the company since its inception. As Gradiant continues to expand its business and deliver innovative solutions to leading customers around the world, Mintz has played a pivotal role in providing strategic guidance and legal support.

The Mintz team was led by Kaoru Suzuki and Sahir Surmeli and included Tom Burton, along with Rob Kidwell, Member, and Associates Jessica Vaughn, Garrett Galvin, and Sam Gray.

Mintz was one of the first law firms to develop a practice focused on clean energy and sustainable infrastructure two decades ago and has been the leading law firm in the industry since the earliest days of this technology revolution. The firm’s highly regarded Energy & Sustainability Practice serves more than 250 clients, spanning the ecosystem from emerging companies to large corporations, private equity and venture capital funds, investment banks, project developers and project finance funds, and family offices. The team is uniquely positioned and ready to lead the way in advancing innovation, transforming infrastructure, and scaling solutions that are crucial for both business success and a thriving planet.

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