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From a One-Man Business to a Sought-After Specialist

  • March 1998


    Founding of the Company

    The graduate engineer Udo Wilmes starts as a one-man business focusing his activities of metal and surface processing in Neheim-Hüsten. With this sole proprietorship he lays the foundation stone of the company WIOTEC®.

  • September 1999


    Relocation and Expansion

    Expansion of the company with the finishing of small and large series, now on a working area of 1,200 m² supported by a staff of nine.

  • February 2001

    Zukauf eines Galvanikbetriebes

    Acquisition of Electroplating Plant

    Acquisition of a further electroplating plant in Arnsberg. Significant expansion of the production range by complete system components: from raw material to finished component from a single source. The company now has a production area of 2,600 m² and 28 employees.

  • March 2003


    Expansion of the Product Range

    Installation of a pretreatment line for the finishing of aluminium components. From this point on, processing lengths of 5 m were now able to be realized.

  • July 2004



    Since quality has always been the highest priority for the company, certification according to DIN ISO 9001:2000 was the logical consequence. At that time, 55 employees were already working on the success story of WIOTEC®.

  • February 2005


    Joint Venture China

    Founding of WIOTEC® International Limited

  • May 2009

    Neue Produktionsstätte im Gewerbepark Ense-Höingen

    Joint Production Facility in Ense

    The two plants are merged to form a new production facility in the industrial park in Ense-Höingen. The move takes place in several stages. Capacities are significantly expanded as part of this merger. In addition, there are also new zinc facilities with a bath size of 1,500 x 6,000 mm.

    In the same year, the production facility is connected to the biogas plant of Enser Biogas GmbH & Co. KG that was commissioned two years earlier. The biogas is used for the ecological generation of process heat, on which almost all galvanic production processes are based.

    WIOTEC location - surface finishing and surface technology at WIOTEC
  • September 2010

    Neue Chromanlage

    Commissioning of New Chrome Facilities

    New chrome facilities with a bath size of 1,000 x 6,000 mm are put into operation.

  • September 2010



    The focus of the new production facility on resource and energy efficiency is followed by environmental certification in accordance with DIN 14001:2010.

  • December 2011

    Photovoltaik Anlage

    Installation of New Photovoltaic System

    A new photovoltaic system with a total output of 276 kWp is installed.

    WIOTEC photovoltaic system - surface refinement and surface technology at WIOTEC
  • June 2013


    Expansion of the Product Range

    Installation of an environmentally friendly chromium-III bath with a processing length of 6 m.

  • July 2013


    Termination of Joint Venture in China

    Dissolution of WIOTEC® International Limited

  • August 2013

    Chrome III Bad

    Expansion of the Range of Services

    WIOTEC® expands its range of services once again and enthuses its customers with new, high-quality surfaces such as a highly decorative tin-nickel coating.

  • March 2014


    Trademark Registration

    Registration of the trademark WIOTEC® and the trade name WICROM® black.

  • September 2014

    Erweiterung Büro

    Expansion of Administration

    The administration in the industrial area Ense-Höingen is expanded by an extension of 300 sqm.

  • June 2015

    Erweiterung der Lagerkapazitäten

    Expansion of Warehouse and Logistics Area

    A new hall is put into operation at the Ense site. On the approximately 20,000 sqm company premises in Ense, there are production and administration buildings including external warehouses on an area of 5,800 sqm.

  • February 2016


    Expansion of the Product Range

    Installation of two tin baths: matte and bright tin. Processing lengths of 6 m can be realized here as well.

  • May 2016

    Kauf der Firma GEFO Oberflächenveredelung

    Takeover of Further Electroplating Company

    WIOTEC® takes over an electroplating plant in Arnsberg-Neheim-Hüsten with an office and production area of around 3,450 sqm. Decorative and technical surfaces are also produced in the fully automatic line there. The 100th employee now works for WIOTEC®. The company, already operating internationally for many years, is thus consistently continuing its expansion course.

    WIOTEC Electroplating plant Arnsberg - surface finishing and surface technology at WIOTEC
  • February 2018


    Expansion of the Product Range

    Conversion of the existing WICROM® black process to an environmentally friendly chromium-III electrolyte.

  • January 2019


    Introduction of Innovative Plastic Finishing Process

    Innovative resource-efficient chromium-VI-free pretreatment of plastic substrates.

Any questions? We’ll gladly assist you ...

Any questions?
We’ll gladly assist you ...

WIOTEC® Ense GmbH & Co. KG
Auf den Geeren 9-11
59469 Ense-Höingen, Germany

WIOTEC® Arnsberg GmbH & Co. KG
Wagenbergstraße 55
59759 Arnsberg, Germany

+49 2938 97833-0
+49 2938 97833-20

From metal to precious metal
The company WIOTEC® is your specialist for surface finishing and metalworking. In our electroplating shop, which is managed according to the latest environmental standards, we are capable of finishing both small parts and long parts of up to six meters. This makes us one of the leading and most efficient decorative surface coaters in Europe.

Our most important resource is our employees - with their commitment, competence and experience. Together with them, we work out and develop individual and tailor-made solutions for our customers. From detailed consultation and planning to purchasing, mechanical and chemical pre-treatment, professional electroplating and supplementary services - WIOTEC®'s range of services leaves nothing to be desired.



Call us:

Stacks Image 128

Claudia Schäfer
+49 2938 97833-11

Or write to us:

Brochures, data sheets, etc.