We fill your product as if it were our own.
We fill (sterile) liquids – cleanly, safely, and in Bavaria.
From small test quantities to millions of bottles.
We support you throughout the entire journey of your product
At Optosol, you get more than just sterile filling. We accompany you through the entire process – from the idea to the finished product on the shelf. This saves you coordination, time, and effort.
Upon request, we support you in creating new formulations and selecting the right ingredients. This results in a product that is not only safe but also market-ready.
We handle the filling, labeling, storage, and shipping of your products. Everything remains under one roof – you have a single point of contact and full control over quality and deadlines.
In our in-house laboratory, we apply comprehensive analytics and test each product for stability, purity, shelf life, and composition. This way, we detect deviations immediately – before they become problems.
Your advantages with contract manufacturing from OPTOSOL
For over 50 years, we have been manufacturing liquid products for medicine and care. Our partners trust us because they know: We deliver quality.
We work according to clear rules: ISO 13485 and EU-MDR. Every bottle is checked before it leaves the factory.
We produce small and large quantities – from 50 test bottles to millions of units per year.
Everything happens at our site in Miesbach, Bavaria. This way, we maintain control and deliver on time.
We are a team of professionals who work with passion and responsibility. With us, you speak directly with those in charge.
Sterile Liquids - Our Specialty
Whether spray, drops, or solution – we produce liquid medical devices that are filled safely, cleanly, and precisely.
Our expertise lies particularly in working with sterile, aqueous and slightly viscous liquids.
We fill products that other manufacturers often do not undertake. Every bottle is checked before it leaves our facility – for results you can rely on.
isotonic formulations with precise spray patterns
sterile and, if desired, preservative-free
slightly viscous, clean solutions for medical applications
our focus for decades
from liposomal to medium-viscosity, individually tested and filled
Maximum flexibility for your products.
Every product needs the right packaging – safe, hygienic, and practical to use. With our facilities, we can fill sterile liquids in various sizes, materials, and closure types. This way, the perfect solution is created for every product.
Do you have special requirements for your container? Talk to us:
In 6 simple steps
We guide you step-by-step through the entire process. You always have a dedicated contact person and know what's happening next at all times. From the initial idea to the final delivery – we make it as easy as possible for you.
We discuss your project with you and determine your exact needs. This initial consultation is free and non-binding.
Our experts, in collaboration with your team, develop the best recipe for your product and thoroughly test everything. Everything is precisely documented.
We plan when and how your product will be manufactured. You receive a clear schedule and always know what's happening.
Before we produce, we ensure quality. Only when everything is perfect do we proceed.
Your product is manufactured and filled in our ISO 13485-certified cleanroom. We monitor quality throughout the entire process.
Your product will be delivered on time. And we will continue to assist you afterwards if you have any questions.
All products are certified according to DIN EN ISO 13485 and comply with the EU-MDR. When sourcing our raw materials, we ensure the highest quality.
For the production of sterile and low-germ medical devices, we have qualified rooms and facilities according to DIN EN ISO 14644.
Has your interest been piqued?
Request your individual quote for contract manufacturing now. Please use our contact form for this.
Alternatively, you can reach us anytime by phone or email.
Here we collect frequently asked questions about contract manufacturing. If you have any further questions, please feel free to contact us.