Private company

ifm electronic gmbh

Logo: ifm-Unternehmensgruppe, Public domain, via Wikimedia Commons4

German automation technology company

The Ifm Group (stylized as ifm group) is a German automation technology company, specialized in components for industrial companies. Its headquarters are located Essen, Germany. The company is considered the inventor of inductive proximity sensors.2 It was founded by Robert Buck.1 Its chief executive is Martin Buck.1 It employed 9,120 people in 2026.1 Its revenue was €1.5 billion in 2026.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Oct 29, 1969Founded1
  • Industryautomation technology1
  • HeadquartersEssen1
  • Websitewww.ifm.com
  • Legal formSE & Co. KG1
  • LEI529900PS14UIV1T87B193
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressFriedrichstraße 1, 45128 Essen, Germany3
  • Registered withLocal Court Essen, HRB 18873

The Ifm Group (stylized as ifm group) is a German automation technology company, specialized in components for industrial companies. Its headquarters are located Essen, Germany. The company is considered the inventor of inductive proximity sensors.2

Corporate structure

ifm electronic gmbh is part of a group headed by ifm se & co. kg. 6 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • ifm se & co. kg Essen, Germany
    • ifm electronic gmbh Essen, Germany
    • pmdtechnologies ag Siegen, Germany
    • G.I.B Gesellschaft für Information und Bildung mbH Subsidiary · Siegen, Germany
    • IFM ECOLINK SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA (IFM ECOLINK SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ) Subsidiary · Opole, Poland
    • ifm traviation gmbh Subsidiary · Essen, Germany

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0). Each entity in the chart links to its source.

The story

Founded by Robert Buck on Oct 29, 1969.1

History

Ifm was founded in 1969 by electrical engineer Robert Buck and salesman Gerd Marhofer under the name Ifm electronic geräte gmbh+co kg. Buck and Marhofer had worked together in the development and marketing of non-contact sensors. In the same year, Buck and Marhofer introduced inductive proximity sensors under the name efector to the market. In the early years, Bernd Rüsing also served as managing director but left the company in 1971.

In the following years, the company grew and expanded into different countries. While having 16 employees in 1970 and sales of 409,000 euros, the company had 260 employees in 1983 and subsidiaries in six different locations, generating 14,8 million in sales.

Ifm attracted national attention when an attempt was made to bug the company's stand at Interkama trade fair in 1972 in a case of industrial espionage. The following year, Ifm introduced the first electronic speed monitor. In 1990, Ifm published its company philosophy as hardcover book available for all employees. By now, the book has been translated into 16 languages.

2000 to 2020

In 2001, Ifm underwent its first generational change with Martin Buck and Michael Marhofer, the sons of the founders, taking over the management after spending five years in a probationary period. By that moment, Robert Buck and Gerd Marhofer immediately stepped away. With him still being connected to the company, Robert Buck died in 2016 after having been responsible for over 650 patents during his lifespan. In 2015, Ifm efector opened its North American headquarters in the Atwater Corporate Center, in Malvern, Pennsylvania. The following year, Barack Obama and Angela Merkel visited the Ifm booth at Hannover Messe fair, where they attracted attention trying on Virtual Reality goggles. In 2018, the Lighthouse smart home camera was introduced to the market making it possible to distinguish between adults, children and pets. That same year, Ifm started construction of The Summit in Siegen, which is now home to four Ifm subsidiaries. The following year, Ifm celebrated its 50th anniversary by reaching a group turnover of 1 billion euros for the first time.

From Wikipedia’s article on Ifm group, shared under CC BY-SA 4.0.5

Leadership

Who has led ifm electronic gmbh, and when. Pick a name to see everywhere that person has worked.

Board members and other officers (1)

Subsidiaries and ownership

Parent company (GLEIF)

Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Employees over time

  • 20269,1201

Revenue over time

As stated on Wikidata, in the currency reported.

Revenue

  • 20261.5B EUR1

Timeline

  1. Jul 2, 2018Parent Directly consolidated by ifm se & co. kg3
  2. Oct 29, 1969Founded Founded1