DOT GmbH

DOT GmbH is a German company based in Rostock that specializes in high-tech surface finishing and coating technologies for medical devices. Founded in February 1992 as Dünnschicht- und Oberflächentechnologie GmbH by two engineers and two physicists, the company was renamed DOT GmbH in January 2001. It describes itself as one of the world's leading providers of medical coating technologies for orthopedic and dental implants and instruments. The company's core business is the refinement and coating of implants made from titanium, medical steel, hard metal, ceramics, or PEEK, as well as instruments used in the dental industry. Its portfolio includes color anodizing and laser engraving for unique product identification, along with cleanroom packaging. DOT operates from its headquarters at Charles-Darwin-Ring 1a in Rostock, Germany, and has expanded internationally, notably with a US subsidiary, DOT America, Inc., which celebrated its tenth anniversary in 2023. DOT has grown steadily through investments in production facilities and cleanroom capacity. In 2025, it acquired Aristotech Industries GmbH, a specialist in contract manufacturing of high-quality medical forged parts, particularly orthopedic implants and instruments. The company serves global medical device markets and positions itself as a quality-focused partner for the healthcare industry, emphasizing innovation and patient welfare.

DOT GmbH was founded in February 1992 in Rostock, Germany, as Dünnschicht- und Oberflächentechnologie GmbH. The founding team consisted of two engineers and two physicists who brought long-standing industrial and scientific experience in coating and materials technology. The company started as a contract coating business. In January 2001, the company was renamed DOT GmbH. Over the following years, DOT expanded its capabilities and facilities. By 2017, the company celebrated its 25th anniversary, with the workforce in Rostock having grown to 320 employees, plus 15 employees at DOT America, Inc. In 2016, its analytical laboratory services received DAkkS accreditation. In 2019, production expansion continued with the construction of building 4, and the PVD department started production in November 2019. In 2020, Thomas Eifeler joined as commercial managing director. In 2021, construction began on two additional office and production buildings, houses 5 and 6, and a third fully automatic washing system was put into operation. In 2022, DOT celebrated its 30th anniversary on February 7, 2023. In 2023, construction of houses 5 and 6 was completed with final acceptance by the building authority in May, and DOT America celebrated its tenth anniversary on May 30. In 2024, a new CMR cleanroom was completed, the sixth VPS system arrived in March, and a tram in DOT design began operating in Rostock. In 2025, DOT acquired Aristotech Industries GmbH, a specialist in contract manufacturing of high-quality medical forged parts, particularly orthopedic implants and instruments. Throughout its history, DOT has focused on medical coating technologies for orthopedic and dental implants and instruments, serving global markets from its Rostock headquarters.

• 2025

  Acquired Aristotech Industries GmbH, a specialist in contract manufacturing of high-quality medical forged parts.

• 2024

  New CMR cleanroom completed; sixth VPS system arrived in March; tram in DOT design began operating in Rostock.

• 2023

  30th company anniversary on February 7; completion of houses 5 and 6 with final acceptance in May; DOT America celebrated 10th anniversary on May 30.

• 2021

  Construction began on houses 5 and 6; third fully automatic washing system put into operation.

• 2020

  Thomas Eifeler joined as commercial managing director in July.

• 2019

  Production expansion with construction of building 4; PVD department started production in November.

• 2017

  25th company anniversary; Rostock workforce reached 320 employees, plus 15 at DOT America, Inc.

• 2016

  Analytical laboratory services received DAkkS accreditation.

• 2001

  Renamed to DOT GmbH in January.

• 1992

  Founded in February as Dünnschicht- und Oberflächentechnologie GmbH in Rostock by two engineers and two physicists.

One of the world's leading providers of medical coating technologies for orthopedic and dental implants and instruments, emphasizing quality and innovation for patient welfare.

• Medical implant coatings

  Coating technologies for orthopedic and dental implants made of titanium, medical steel, hard metal, ceramics, or PEEK.

• Instrument coatings

  Coating technologies for dental and medical instruments.

• Color anodizing

  Color anodizing for unique product identification.

• Laser engraving

  Laser engraving for unique product identification.

• Cleanroom packaging

  Cleanroom packaging services for medical devices.

1. 1DOT-Qualität aus einer Hand - Beschichtung-Verpackung-Servicesdot-coating.de
2. 2Geschichtedot-coating.de
3. 3DOT (Germany) - Wikidatawikidata.org