WS Audiology
company in Lynge, Denmark

WS Audiology (formerly Sivantos Group and Widex) is a privately owned manufacturer of hearing aids with headquarters in Denmark and Singapore with roots going back to 1878 and Siemens AG. The current company was created following the 2019 merger of Sivantos Group and Widex. Prior to that, Sivantos was spun off from Siemens after Siemens AG sold the company to EQT and Santo Holding in 2015. WS Audiology employs about 12,600 people in more than 125 countries. In fiscal year 2023-2024, the company generated revenue of €2.63 billion and adjusted EBITDA of €542 million.
The company develops, manufactures, sells and distributes hearing aids under the following brands: A&M, audibene, Audio Service, Bloom, Coselgi, hear.com, HearUSA, Lifestyle Hearing Network, Rexton, Signia, Shoebox, TruHearing, Widex and Widex Hearing Specialists.
History
In 1878, Werner von Siemens built a telephone with a horseshoe magnet, which amplified and improved voice signal quality. In 1913, Siemens introduced the first industrially produced hearing instrument, the Esha-Phonophor.
During the 1950s, Christian Tøpholm and Erik Westermann formed Widex and began developing hearing devices in Tøpholm's converted cellar. In 1956, the company produced its first model, the Widex 561. In 1959 Siemens developed the Auriculette, a behind-the-ear (BTE) device with small lightweight components that fit together in a single unit.
Begin with the source’s own compact description: “WS Audiology” is company in Lynge, Denmark. The dossier treats that line as a proposition to test through Audiology, company and Lynge, not as a finished interpretation.
Why this record matters
The phrase “company in Lynge, Denmark” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Contemporary correspondence, administrative files and participant testimony can test how later narratives organized the event or institution. The source revision retrieved here is dated Jun 16, 2026. The linked authority identifier is Q19903650. None of the 4 selected statements returned an explicit reference. The first chronological checks are 1878, 2019, 2015 and 2023.
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This entry incorporates text from “WS Audiology” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.