Mittelstandspresse
19.06.2026
Quality in our DNA
W&T Reinforces 45 Years of Precision with ISO 9001 Certification
Wuppertal, 19.06.2026 (PresseBox) - For over 45 years, Wiesemann & Theis—W&T for short—has been developing, manufacturing, and distributing top-quality hardware. What customers have valued for decades—thanks to our unique support and 5-year warranty—has now been officially confirmed: The company has been successfully certified to the DIN EN ISO 9001:2015 standard. For W&T, certification is not the starting point for quality, but rather the confirmation of a philosophy that has been put into practice since the company was founded. The product range—which spans serial interface converters, I/O controllers, and modern edge computing and IT security solutions—is built on a commitment to maximum reliability. The successful audit now confirms in writing that the management and production processes meet exactly those standards which are necessary for the proverbial durability of W&T products.
"Our customers know that we stand behind our products—we’ve been proving that for over 45 years—and ISO certification is now the objective proof that our responsiveness and our constructive, technically skilled support are based on a highly professional system," said Tobias Theis, Managing Director.
In addition to product quality, W&T stands out in the market primarily for its speed: short delivery times and a technically versed customer service team that is directly accessible are at the heart of the business model. This certification ensures that this flexibility and direct line of communication with customers remain consistently reliable, even as requirements become more demanding and technologies grow more complex.
Ansprechpartner
Michael C.Fazenda
+49 (202) 2680-0
+49 (202) 2680-265
Zuständigkeitsbereich: Pressearbeit
Über Wiesemann & Theis GmbH:
Since 1979, Wiesemann & Theis has been developing, manufacturing, and distributing hardware for industrial, office, and IT applications. The product offering ranges from serial interface converters and I/O controllers to edge computing and IT security solutions.
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