dsm-firmenich Site Sisseln

Located in Switzerland, the Sisseln site is one of dsm-firmenich's most important production and innovation hubs worldwide. It brings together research, advanced technologies, and large-scale manufacturing to deliver high-quality solutions for human and animal nutrition, health, and selected pharmaceutical and personal care applications.

Sisseln is home to the world's largest Vitamin E production facility and one of the world's largest Vitamin A manufacturing plants, making it a key center of expertise within the industry. In addition, the site produces vitamins, carotenoids, pharmaceutical ingredients, folic acid, and a wide range of specialty ingredients for global markets.

Around 1,000 employees contribute every day to developing and manufacturing innovative products with the highest standards of quality, precision, and reliability. Close collaboration between research, development, and production is a cornerstone of the site's success. Combined with a strong customer focus, a collaborative culture, and the strategic advantage of "Made in Europe", Sisseln delivers trusted, high-quality solutions to customers around the world.

×

Contact

DSM Nutritional Products AG
Hauptstrasse 4
CH-4334 Sisseln
Tel: +41 (0)62 866 21 11
view on Google Maps

Visitors, Contractors & Suppliers – Welcome to Our Site

Whether you are a visitor, supplier, or contractor, we look forward to welcoming you to dsm-firmenich in Sisseln.

Safety is our highest priority. To help ensure that your visit to our site is safe and runs smoothly, we ask you to complete the relevant safety training before your arrival. Please begin by selecting the category that best describes your visit. You will then be directed to the corresponding safety training video.

After watching the video, please download the related questionnaire, complete it in full, and present it together with a valid passport, ID card, or other official form of identification at Reception.

Thank you for your cooperation. We look forward to your visit.

You are visiting employees or business partners at the Sisseln site.

×
Questionnaires in different languages
EnglishDeutschPortuguês
ItalianoFrançaisPolski

You have been assigned to perform work or provide services on site.

×
Questionnaires in different languages
EnglishDeutschPortuguês
ItalianoFrançaisPolski

You are delivering goods or carrying out activities related to goods handling and logistics.

×
Questionnaires in different languages
EnglishDeutsch

Manufacturing at the Highest Standards

11 production plants, more than 110 products, and around 80 vitamin formulations: manufacturing activities in Sisseln combine chemical and physical production within a highly integrated production network.

Sisseln produces strategic products such as Vitamin A, Vitamin E, Vitamin K1, Folic Acid, Astaxanthin, pharmaceutical ingredients, and aroma ingredients. The site's Vitamin A and Vitamin E facilities are among the largest and most advanced of their kind globally. Managing complex chemical processes with precision, safety, and efficiency requires exceptional expertise and is a key strength of the teams working in Sisseln every day.

Formulations Designed for Performance

Vitamins and carotenoids are sensitive ingredients that require effective protection throughout storage, transportation, and use. To ensure maximum product performance and application effectiveness, dsm-firmenich develops and manufactures advanced formulations in Sisseln.

These tailored delivery forms protect active ingredients from light, oxygen, humidity, heat, and other environmental influences, helping to maintain consistent quality and stability. They also support easy handling, efficient processing, and uniform distribution within customer applications. Using state-of-the-art formulation technologies, Sisseln delivers high-quality solutions for animal nutrition, food and beverage, early life nutrition, dietary supplements, pharmaceutical applications, and other demanding industries. Backed by end-to-end manufacturing, logistics, and quality capabilities, the site provides reliable products trusted by customers around the world.

Quality and Safety by Commitment

Quality, safety, and continuous improvement are at the heart of how we operate every day. They provide the foundation for reliable processes, high-quality products, and a workplace where people can succeed and work safely together. In doing so, we create lasting value for our customers while taking responsibility across our entire value chain.

Our commitment to quality is embedded throughout the site. From planning and manufacturing to delivery, we strive to get things right the first time and continuously improve the way we work. Regular audits, recognized certifications, and the dedication of our employees help ensure the highest quality standards and strengthen the trust of customers around the world in our products and services.

To achieve these high standards every day, we focus on three key priorities:

Zero Defects

We strive to get things right the first time, every time. Through careful planning, disciplined execution, and continuous learning, we prevent errors before they occur. This helps us maintain the highest quality standards and deliver reliable solutions to our customers.

Zero Incidents

Nothing is more important than the health and safety of our people. We proactively identify risks, take personal responsibility, and look for one another. Together, we create a workplace where safety is part of every decision we make.

DICI (Integrated Continuous Improvement)

Continuous improvement is part of who we are. We challenge existing practices, embrace new ideas, and continuously optimize our processes. By turning ideas into action, we create sustainable improvements that strengthen performance and support long-term success.

Career: Your Future Starts with Us

Do you want to do more than just observe? Are you looking for an opportunity to contribute and make an impact from day one? Then dsm-firmenich in Sisseln could be the right place for you.

We offer exciting apprenticeship opportunities in laboratory sciences, manufacturing, engineering, IT, and logistics. Here, you will work in an international environment and gain valuable hands-on experience in areas that bring together innovation, research, and modern manufacturing. Along the way, you will contribute to products that are used worldwide in human and animal nutrition, pharmaceutical applications, and many other industries.

An apprenticeship at dsm-firmenich combines theory and practice in an ideal way. You will apply your knowledge in real-life situations, work alongside experienced professionals, and take on your own tasks and responsibilities from an early stage. The close collaboration between research, development, and manufacturing makes every apprenticeship both diverse and rewarding. You will gain insights into a wide range of disciplines and experience modern technologies first-hand.

More Than an Apprenticeship

We want our apprentices to grow both professionally and personally. That is why we provide dedicated support, a motivating work environment, and a wide range of development and training opportunities.

Many former apprentices continue their careers at dsm-firmenich after graduation and go on to take on challenging specialist and leadership roles.

Our Apprenticeship Programs:

  • Automation Technician
  • Chemical and Pharmaceutical Technologist
  • Laboratory Technician, Chemistry
  • Laboratory Technician, Biology
  • Plant and Equipment Constructor
  • IT Specialist, Platform Development
  • Logistics Specialist
  • Polymechanic

Find more information about our apprenticeship opportunities on Gateway.one: