We are thrilled to share that Montrose Environmental Solutions (MES) has rebranded to Onterris.
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Onterris is more than a new name, it’s a renewed purpose to unite deep expertise to tackle the world’s most pressing environmental challenges. Inspired by the “pale blue dot” image captured by NASA’s Voyager 1 from over four billion miles away, we’re reminded of our shared responsibility to care for Earth. Onterris combines on, motion and intent, with terris, meaning Earth. It reflects our belief in solutions that start from the ground up: science with its feet on the ground, innovation rooted in place, and a belief that progress happens where people and planet meet.
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Our mission is simple: for planet and progress
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Stronger together as Onterris
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​We have historically operated as a collection of companies, including Montrose, CTEH, ECT2 and Enthalpy, as well as Epic Environmental in Australia and other recently acquired companies, that will now unify under one brand.
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Together, Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. We do this by integrating services such as consulting, emergency response, laboratory testing, emissions testing and treatment technology. Our scientists, engineers, field teams, consultants and professionals collaborate across disciplines and geographies to deliver the right expertise and the right solutions for every challenge.