Chemical Contract Manufacturing
- Quality no matter what quantity
- Trusted partner, confidentiality
- A flexible, well-equipped facility
- End-to-end support & tech advice
How can we help you? Watch this short video to find out







ReAgent Are Trusted Chemical Contract Manufacturers
When you decide to outsource your toll chemical manufacturing, you need a company with the knowledge and equipment to make your plans a reality. With ReAgent, you get almost five decades of contract manufacturing and packaging experience, as well as access to specialised facilities.
We adhere to ISO 9001 quality standards, as well as ISO 14001 environmental standards, ensuring stringent quality control and sustainable practices are used every step of the way. By trusting us with your manufacturing needs, you can focus on growing your business while we manage production seamlessly.
ReAgent has been providing chemical contract manufacturing services in the UK for almost 50 years. We started our operations in 1977, gaining significant experience and expertise in the industry, and have a wide range of chemical products, bespoke formulations, and outsourcing services such as chemical contract manufacturing to offer.


Bespoke Chemical Contract Manufacturing Services
At ReAgent, we specialise in creating bespoke chemical solutions tailored to your specific requirements. With our decades of experience, we provide flexible manufacturing services and a range of packaging options to meet your needs.
From the initial concept to the final product, we offer full control and transparency, ensuring you remain involved at every stage.This is in addition to offering you full control over the development of your product from day one.
As well as supplying chemicals and raw materials, our expert technical team is on-hand to help and advise you on costs and legal obligations. We also provide up-to-date reports on the production process and progress of your product.
Working with a manufacturing business you can trust gives you the time to focus on other aspects of your business. This is why building a strong relationship with our customers is key: Together, we can make your business grow and succeed.
Our Contract Manufacturing Process
Outsourcing to a contract manufacturer helps reduce capital expenditure by providing access to established facilities and equipment. Contract Development and Manufacturing Organisations (CDMOs) also offer you the opportunity to:
- Take advantage of advanced skills and know-how
- Enjoy peace of mind thanks to our stringent quality control practices
- Focus on other important aspects of your business
- Benefit from economies of scale and get reduced costs for raw materials
As a leading contract manufacturing supplier, ReAgent offers you all of the above and more. Our skilled team and specialist equipment are able to handle any substance, including liquids, powders, gels, and creams, as well as bespoke formulations.
With a dedicated purchasing team, we can also source high-quality raw materials for your needs at competitive prices, helping to ensure the best outcomes for your products.

Our contract manufacturing services include:
- Mixing and blending custom chemicals and speciality solutions
- Bottle filling services, including glass ampoules
- Assistance with product development and design
- Prototyping new formulations
- Full production runs
- Packing, repacking, and labelling
- Delivery and export to your premises or to your customers, depending on needs

Contract Packaging
Our full contract manufacturing service includes diverse packaging solutions for hazardous and non-hazardous substances. Whether your product is an acid, alkali, flammable liquid, or toxic material, we ensure safe and reliable packaging that upholds the integrity of your product.
Our range of packaging materials includes, but is not limited to:
- 0-20 ml hermetically sealed glass ampoules
- HDPE or glass bottles ranging from 5ml-5L
- 1-25L HDPE jerricans
- 200L metal, plastic or composite drums
- 1,000L HDPE IBCs with steel cage
- 25,000L road tankers
Secure and Confidential Outsourcing
When you choose ReAgent to take care of your contract manufacturing needs, we respect your intellectual property. We routinely enter into non-disclosure agreements to safeguard your ideas, processes, and products, giving you peace of mind and a guarantee of confidentiality.


Our Contract Manufacturing Quality Guarantee
We create solutions for a range of clients in different industries, from cosmetics and pharmaceuticals to medical devices and automotive. We also provide production runs from as little as one unit upwards in order to meet the needs of your business.
No size is too big or too small. Whether you need to manufacture a single ampoule or a bulk size shipping container full of 1,000L IBCs, you’ll get the same quality management and attention to detail, ensuring your product meets the most stringent of standards.
In addition to the ISO 9001 quality standard and 14001 environmental standard, we are also accredited to the ISO 13485 quality standard specific to medical devices, as well as the ISO 45001 occupational health & safety standard.
Flexible, Well-Equipped Facilities
Our specialised facilities are equipped and manned expertly, ready to meet manufacturing requirements with features such as:
- Specialist equipment for mixing and blending of toll chemicals
- 8D problem solving and automotive supply chain toolkits
- Onsite water plant for the manufacture of necessary water products for production purposes
- A skilled production team, all fully trained in LEAN manufacturing
- Fully automated ampoule filling and bottling facilities
- Full supply chain management experience


Industry-Leading Customer Service
As part of our contract manufacturing services, we prioritise first-class customer service before, during, and after your transaction.
If you need to talk, we’re happy to help over the phone or in person, whether that’s at our Cheshire-based facility or at your own premises.
- When you first contact us, our knowledgeable and friendly technical sales team will listen to your requirements to understand what you need
- You are welcome to perform an audit of our factory, and we will be ready to implement any suggestions you might have afterwards
- We’re on hand to support you during the development and processing of your product, and can adapt our facility to fit your needs
- We also provide a fully customisable labelling service and your finished product can be delivered, via our ADR-approved couriers, to any location worldwide. We can also deliver directly to your customers
- Once you’ve received your product, we provide ongoing assistance and technical advice whenever you need it, at no additional charge
Quality Assurance in Chemical Contract Manufacturing
ReAgent offers quality assurance for the chemical contract manufacturing services. That means we ensure the bespoke chemical products we manufacture for you are guaranteed to follow the formulations you specify.
We also conduct tests on the sample chemicals per batch.This approach ensures that wastage is avoided, while also checking that your end product is exactly as it needs to be.

Ready to discuss your requirements?
Call our technical sales team on 0800 9555 798
Why Choose ReAgent as Your Chemical Contract Manufacturer
3 generations’ worth of experience
ReAgent has always been a family business and the traditional values, expert knowledge and extensive experience we’ve gained since our foundation in 1977 has been passed down three generations.
So much more than contract manufacturing
We also offer custom labelling, packaging, and shipping as well as full traceability on all batches and consignments.
Limitless possibilities
All elements of our services are configurable from machinery and training to labels, packaging and delivery documentation. This allows us to pass on greater savings to our customers through increased efficiency and ensures we meet their exact requirements.
Fully managed supply chain
Not only do we source high quality raw materials to make your product we can also ship your products to anywhere in the world along with custom labels, packaging and delivery notes including your company branding.
Contract Manufacturing FAQs
Yes, we specialise in creating custom formulations
We will provide a quotation for development work based on an estimate of how long the work will take and any additional costs for materials and laboratory analysis. The minimum spend for a new custom chemical blend is £5,000. This may be offset against your first order.
This is dependent on the complexity of the project. We can generally get initial samples out for trial within four to six weeks.
We can price up the development work according to your requirements. If you wish to own the formulation, the cost for development is typically higher.
The costs include raw materials, packaging, and processing time.
A typical contract manufactured product would be manufactured in 1,000 litre or kilogram batches or greater.
Yes, if you have a formulation we are happy to work with it.
We specialise in tailoring products to meet individual customers’ requirements.
Yes, we can arrange to have products tested and certified by external bodies if required.
We provide samples for customers to evaluate, we can provide details of laboratories that specialise in carrying out efficacy testing.
We can work with companies based internationally.
We hold a number of ISO certifications and always comply with relevant standards and regulations.
Yes, we have a wide range of packaging options and can also provide bespoke packaging.
The typical lead time for a new product once the formulation is agreed is around four weeks.
Yes, we typically work with customers from the product development phase right through to full-scale industrial production.