Witt & Sohn


Established in 1945 as a specialist fan supplier to the German merchant shipbuilding industry, WITT has grown over the past 75 years to become one of the world’s leading suppliers of industrial high-performance fan technology and associated noise and vibration control. WITT is characterized above all by its customer focus, tailor-made solutions and strong engineering approach.


WITT’s well proven expertise in axial and centrifugal fan manufacture has made the Company a market leader in many specialized sectors. In addition to commercial and naval shipbuilding, WITT supplies highly efficient fans for tunnel ventilation, nuclear power plants, offshore facilities, industrial processes as well as customers in the environmental sector.


WITT offers multiple impellers for each fan type allowing the most economical configuration to be confidently selected. WITT’s manufacturing philosophy is committed to providing custom-created fan solutions within a fully computerized modular design framework. So far, the Company has equipped more than 100,000 industrial projects, 1,200 tunnel projects and 19,000 ships plus 75 nuclear power plants.


The Company is active in over 60 countries worldwide. With state-of-the-art manufacturing facilities in Germany, the UK, and Switzerland, a joint venture in India, participations in Danish and Swedish fan companies as well as licensed manufacturing in Canada, Japan, Korea and Indonesia, in addition to a network of agents, WITT is able to supply products all over the world. About 85% of products are exported outside Germany.


Today, the Group is run in the third generation by Karsten C. Witt, grandson of founder Willi Witt, as well as Dr. Clemens Lorf.



Established by Willi Witt as an engineering company in Eckernförde



Prof. Dr. Hans Witt joined the Management Board



  • Company headquarters moved to Pinneberg
  • First licenses granted to Japan



Dr. Henrik Witt joined the Management Board



First tunneling projects



Karsten Witt joined the Management Board



Market launch of the Christmas Tree®



  • First licenses granted to South Korea
  • Certification according to DIN EN ISO 9001 Quality Management



Fan Systems (UK) joined the group of companies



First licenses granted to Canada



Meidinger AG (CH) joined the group of companies



  • LF-Ventilation (DK) joined the group of companies
  • Market launch of the Banana Jet®


FläktComp Sweden AS (SW) joined the group of companies



  • Alldays Peacock Ltd. joined the group of companies
  • 60 years Witt & Sohn



  • Election of the Chairman of the Supervisory Board Ralf Rosenkranz
  • Witt India Pvt. Ltd. founded as a joint venture



Market launch of highly efficient reversible blade profiles



Certification according to DIN EN ISO 14001 Environmental Management



Dr. Clemens Lorf joins the Executive Board



Certification according to ISO 45001 Occupational Health and Safety Management



75 years Witt & Sohn



Dr. Henrik Witt left the operational management and joined the Supervisory Board at the same time