Vision and Mission

Vision: A world in which sewage systems are waterproof to generate a positive impact on our environment.

Mission: We solve problems for the connection and sealing of sewage systems. With our products, we empower people to add sustainable value to their construction projects.

Crassus. Made in Berlin.

The Crassus GmbH & Co. KG is a German, owner-managed company, which develops, manufactures and sells products for Wastewater Pipe-Connections. We provide you the best connection system for all wastewater pipes – worldwide! We are problem solvers at the frontline and partners for planners, architects, engineers and professional craftsmen! Our products are used daily in infrastructure, civil engineering, industrial, agriculture and HVAC/MEP projects.


A team for product development, product management, IT, sales and marketing work in the head office in Berlin. From here we control our production, sales and logistics in Germany and worldwide. Our quality management is certified by TÜV-SÜD according to ISO 9001: 2015.

Rubber Compound

The rubber compounds for our products are created by our cooperation partners in accordance with our requirements. This enables us to rely on a large portfolio of different rubber compounds such as EPDM, NBR, FKM, FFKM. By determining requirements and quality controls, we intervene in the manufacturing process at an early stage and can guarantee consistently excellent quality.

Injection Molding

Injection molding, compression molding, extrusion and vulcanization processes are used to manufacture our products. The production of smaller series and custom-made products takes place directly in Berlin and Brandenburg. The large-scale production takes place mostly in Germany, Sweden, Poland and England. We are in constant contact with all production partners and monitor all necessary production steps in accordance with ISO 9001: 2015.

Assembling & Customizing

The assembly is made to order and according to customer requirements. We are able to make changes at short notice. We specialize in producing special solutions, even in single and small quantities. We can respond to your requirements flexibly and cost-effectively.


With state of the art ERP software, we control the entire international fulfillment (order acceptance, warehousing, picking, packaging, franking, shipping, returns management and invoicing) centrally in our system. This means that we can provide you with information on the status of your respective order at any time and, if necessary, make any changes you want before shipping. We also take on dropshipping orders for you.