Producer
Sartorius AG
German laboratory and bioprocessing equipment company (Göttingen; XETRA: SRT; ~€3.4B revenue) that manufactures Sartopore 2 (PES — polyethersulfone) and Sartopore Platinum (modified PES) sterilizing membranes — the primary European alternative to Merck/Pall membrane platforms. Sartorius holds an estimated ~15% share of the pharmaceutical sterilizing filtration market, with particular strength in European biologics manufacturing. Sartorius also makes Sartocon cassette systems for tangential flow filtration (TFF), Stedim biocontainers (single-use bags), and Biowave bioreactor systems — making it, like Danaher, a vertically integrated supplier across multiple critical biopharmaceutical manufacturing unit operations. Sartorius acquired Stedim (France) in 2007 and has organically grown its bioprocessing portfolio. Göttingen primary manufacturing; additional production in Yauco, Puerto Rico (acquired via Sartorius Stedim Biotech).
4
Inputs supplied
2
Goods downstream
4
Facilities
0
Stories
What they make
4 inputs Sartorius AG supplies
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manufactured
Single-use bioreactor bags →
manufactured
0.22-Micron Sterilizing-Grade Membrane Filters →
manufactured
Sterile filtration membrane (0.2 μm) →
manufactured
CHO cell culture media →
Where it shows up
Goods downstream
Essential goods that depend on something Sartorius AG makes — pick one to see the full supply chain.
Where they make it
4 facilities
Sartorius / Essen BioScience Media Operations (Yamagata, JP) →
JPYamagata Prefecture · manufacturing
Sartorius cell culture media manufacturing operations in Japan — part of Sartorius's expansion into integrated bioprocess solutions for Asian biopharmaceutical manufacturers. Serves growing Japanese and Korean mAb manufacturing customer base. Source: https://www.sartorius.com/en/company/about-sartorius
Sartorius AG Membrane Manufacturing (Göttingen, Germany) →
DELower Saxony · manufacturing
Sartorius AG primary membrane manufacturing facility at Göttingen headquarters campus in Lower Saxony, Germany. The Göttingen site produces Sartopore 2 and Sartopore Platinum PES sterilizing membrane filters for European and global pharmaceutical manufacturers. Sartorius was founded in Göttingen in 1870 (originally a precision balance manufacturer) and has maintained its headquarters and primary manufacturing at the same Lower Saxony location for over 150 years. The Göttingen campus is the world's primary manufacturing source for Sartorius-branded sterilizing membranes. Source: https://www.sartorius.com/en/company/about-sartorius/manufacturing
Sartorius Gottingen Bioprocess Manufacturing (Germany) →
DELower Saxony · manufacturing
Sartorius AG's primary bioprocessing manufacturing campus in Göttingen, Lower Saxony, Germany; headquarters of Sartorius since 1870. Manufactures Biostat STR single-use bioreactor bags, Flexboy storage bags, filtration hardware (Sartocon, Sartoflow), and laboratory instruments. Göttingen is Sartorius's largest single manufacturing site. Sartorius invested heavily in Göttingen capacity expansion 2020-2023 to address COVID-era SU bag demand surge. Source: https://www.sartorius.com/en/company/about-sartorius/locations
Sartorius Stedim Aubagne (France) →
FRProvence-Alpes-Cote d'Azur · manufacturing
Sartorius Stedim Biotech heritage manufacturing facility in Aubagne, near Marseille, France; center of Sartorius's fluid management and single-use bag operations inherited from the 2007 Stedim acquisition. Produces Flexboy 2D pillow bags for buffer and media storage, FlexAct assembly platforms, and fluid transfer assemblies. The Aubagne site is where Sartorius's SU bag film converting and assembly expertise was built — distinct from Göttingen's hardware manufacturing focus. Source: https://www.sartorius.com/en/company/about-sartorius/locations
What else they do
Business segments
The company's full revenue map — where this supply-chain role fits within their broader business.
Sterilizing Filters (Sartopore Series)
25%Single-Use Bioprocessing (Stedim Biotech)
35%Laboratory Instruments & Balances
20%Bioprocessing Software & Analytics
20%
Intelligence
What's known
Sourced claims about this company's role in supply chains — chokepoints, concentration, incidents, dual-use connections.
Concentration2023
Sartorius AG (Göttingen, Germany) was founded in 1870 as a precision balance manufacturer — the company's original product was laboratory weighing equipment, not pharmaceutical filtration. Sartorius made analytical balances, moisture analyzers, and precision laboratory scales for over 100 years before pivoting to bioprocessing consumables in the 1990s and 2000s. The transformation accelerated with Sartorius's acquisition of Stedim (France) biocontainer systems, Essen BioScience (now Incucyte live cell analysis), and multiple bioprocessing software companies. By 2024, Sartorius had become one of the world's most important biopharma manufacturing consumables suppliers — with sterilizing membranes, single-use bags, bioreactor control systems, and cell line analytics all under the same Göttingen parent. The company's 2021 market capitalization briefly exceeded €45B — larger than many of the pharmaceutical companies whose manufacturing processes depend on Sartorius products. A balance maker from 1870 Göttingen became a critical supply chokepoint in the manufacturing of 21st-century biologic drugs. The Sartorius Göttingen campus — where analytical balances have been made since 1870 — now also produces the membrane filters that sterile-process those drugs.
Sartorius AG ↗