Our Bio-valorization segment, which covers Tessenderlo Group’s activities in animal by-product processing, consists of PB Leiner (production, trading and sale of gelatins and collagen peptides) and Akiolis (rendering, production, trading and sale of proteins and fats) with three entities (Atemax, Soleval and Violleau). 

Production locations

​PB Leiner

3 production plants in Europe (Belgium, Germany, UK), 1 in China and 3 in the Americas (US, Argentina, Brazil)


3 production plants, 28 collection centers in France (Atemax)
8 production plants, 20 collection centers in France (Soleval)
1 production plant in France (Violleau)

Core markets

​Food, pharma, health & beauty, pet food, agriculture, aqua feed, animal feed, energy, biodiesel, oleochemistry, and sanitary services.

Area of activity

​Bio-resources, agriculture

Business drivers

  • ​Growing demand for bio-based environmentally friendly offerings in feed, food, health & beauty, fertilization, energy, and pharmaceutical and technical applications. 
  • Improved standards of living result in increased protein demand. 
  • Increased need for sanitary procedures to protect the food chain and the health of animals dedicated to human food.​ 

Strategic focus

PB Leiner

  • To optimize efficiencies on existing assets. 
  • To focus on customer relationships and new product development. 
  • To vigorously focus on realizing manufacturing excellence and the improved valorization of access to raw materials.
  • To increase the focus on health & beauty (collagen peptides) and pharma. 
  • Valorization of fats.​ 


  • To improve the valorization of finished products in organic fertilization, pet food and aquaculture markets.
  • Valorization of fats. 
  • To strengthen our position in our core business on upstream markets by pushing long-term and quality-based contracts. 
  • To focus on customer relationships and new product development. 
  • To improve efficiency in existing plants and logistics. 
  • ​To focus on sanitary service for breeders, and on quality control for slaughterhouses and butchers.​