Applications of Vial Filling Services
Our vial filling solutions address needs across multiple industries, helping businesses overcome common challenges such as contamination risks, inconsistent dosing, and inefficient packaging.
We provide tailored vial filling services for:
Pharmaceuticals
Precise filling to ensure accurate dosages and compliance with strict medical regulations
Cosmeceuticals
Protection for active ingredients to maintain product standards and stability
Food and beverage chemicals
Safe filling of flavourings, additives, and specialist chemicals to prevent contamination
Biochemicals
Careful handling of sensitive compounds to preserve integrity and performance
Scientific chemicals
Consistent, contamination-free filling for research and laboratory applications
Speciality chemicals
Custom solutions for unique chemical formulations that require exacting standards
Don’t see your industry? We serve many other sectors, featured on our Industries page.

Custom Vial Filling to Suit Your Needs
Every product has different requirements, which is why we offer a custom vial filling service tailored to your specifications. From choosing the right vial size and material to accommodating sensitive formulations, we provide a flexible approach that ensures your product is handled correctly.
Our team can assist with everything from light-sensitive liquids that require amber vials to highly viscous substances needing specialised filling techniques. Whether you need a small pilot run or large-scale production, we adapt our processes to provide efficient filling solutions.
Note that sometimes the words ‘vial’ and ‘ampoule’ are used interchangeably, but they are different packaging solutions. You can find out more about our ampoule filling service here.
ReAgent’s Vial Filling Process
Our vial filling process is designed for accuracy and efficiency. Using automated systems, we ensure precise fill volumes while maintaining a controlled environment to prevent contamination. This level of precision is essential for industries that rely on consistency across every batch.
Once filled, each vial is securely sealed using the most suitable method for the product type, ensuring long-term stability. Rigorous checks are carried out throughout the process, verifying fill levels and compliance with industry regulations.


Different Vial Sizes
Selecting the right vial size is essential for product efficiency and usability. We offer a range of sizes to suit different applications, from small vials for precise dosing to larger options for bulk storage:
- 5ml
- 10ml
- 20ml
Each vial is chosen based on its compatibility with your product and industry requirements. Our team can advise on the best option for your needs, with both end use and distribution in mind.
can be supplied in bulk, as part of a kit, or packed into cartons of 5, 10, or 20 units. You can also buy off-the-shelf ampoules of pure water online.
Ready to discuss your requirements?
Call our technical sales team on 0800 9555 798
Labelling and Contract Packing
Clear and compliant labelling is an essential part of the vial filling process. We offer professional labelling services that ensure all necessary information, such as batch numbers and expiry dates, is clearly displayed. Custom branding options are also available to align with your product’s identity.
Alongside labelling, our chemical repacking service provides a complete solution, including filling, sealing, and final packaging. This integrated approach streamlines production, reducing lead times and ensuring your product is ready for distribution straight from our facility.
There are also options for branded packaging and labelling as part of this process, letting you apply your company’s unique styling while adhering to the BS 56053 labelling standard.

Custom Product Development
- Free pre- and post-sales support
- Testing for consistent high quality
- Full regulatory compliance
Why Choose Reagent as Your Vial Filling Supplier?
Services tailored to your needs
Every product is different, which is why we offer flexible vial filling solutions to match your exact requirements. From choosing the right vial size to accommodating sensitive formulations, we ensure a precise and efficient service that fits your needs.
ISO accredited
Quality and compliance are at the core of our operations. Our ISO-certified processes guarantee that every vial is filled, sealed, and handled according to strict industry standards, ensuring consistency, safety, and full traceability.
Full protection for your products and concepts
Product protection is a vital part of the chemical production industry. We’re happy to sign NDAs to ensure your intellectual property and product integrity are fully protected throughout the entire process, from start to end.
Friendly service with an open-door policy
We believe in building strong relationships with our customers through clear communication and a collaborative approach. Our open-door policy means you’re always welcome to visit our facilities and see our vial filling process in action.
Vial Filling FAQs
We can fill most liquids into vials, including corrosive and flammable liquids.
In order to be cost-effective, our minimum order quantity is 1000 vials.
Yes, we can handle organic products for vials as long as they are liquid.
We will certainly look into certifications that you may require for filling vials.
Yes, all our vial filling services and packaging can be completely customised to suit your needs.
We can currently fill glass vials in sizes ranging from 5ml to 20ml. We can fill various volumes from 0.2ml to 20ml.
Yes, we specialise in chemical blending and can manufacture bespoke formulations to suit your requirements.
Yes, we can provide contract manufacturing services for vial filling. Please call our friendly sales team on 0800 9555 798 to find out more.
Yes, we can ship filled vials internationally from the UK.
The lead time for vial filling is dependent on the quantity of vials you require. A typical lead time for an order of 10,000 vials would be 10 working days.
To get a quote for our vial filling services, please call our sales team on 0800 9555 798.