Need an experienced hand with your agrochemicals?
Lack the expertise or facilities to make them yourself?
Then let us do it for you!
If you need extra manufacturing capacity – or don’t have production facilities of your own – Grotech Production provides confidential and flexible UK-based agrochemical contract manufacturing for liquids, powders and granules.
We manufacture crop-nutrition and biostimulant products for customer branded supply backed by over 40 years’ experience in the agrochemical sector. Whether you’re outsourcing part of your range or need a full manufacturing partner, we offer dependable production and complete confidentiality. So if you require any of the following, we can help –
Fertilisers
Micronutrients
Seed coatings and treatments
Molluscicides
Spray Enhancers
Pod Sealers
Soil Improvers
Wetting Agents…
Not certain we can provide what you need? Get in touch, and we’ll go over your requirements. If we can’t assist, we’ll try to suggest another suitable provider.
Contact us to discuss your agrochemical manufacturing and packing requirements
Please note we do not handle food/drink, personal care or pharmaceutical products
We Blend & Pack –
Liquids
aqueous solutions, solvent solutions, emulsions, emulsion concentrates (EC), suspension concentrates (SC), suspensions in vegetable oil, oil dispersions (OD)
We blend and pack liquid fertiliser and biostimulant formulations, including specialist crop protection products, with full batch traceability.
Powders
powder blends, dusts and dry flowable products (DC, DP, WP) and soluble powders (SP)
Our bespoke agrochemical blending and packing services cover everything from wettable powders to micronutrient premixes, ready for your customers.
Granules
impregnating or coating granules with a liquid active ingredient (GR)
We provide granule coating and impregnation services for fertilisers, soil improvers and crop nutrition products, ensuring uniform application and consistent product quality.
Why Choose Grotech as Your UK Manufacturing Partner?
Supporting crop-nutrition, biostimulant and other agrochemical products with reliable, UK-based manufacturing capacity.
Confidential, Non-Competing Partner
We manufacture exclusively for customers and have no own-brand products, so your IP and market position stay protected.
Flexible UK Capacity
If you’re looking for extra production capacity to cover seasonal peaks or ease pressure on your own facilities, we can help – backed by over 40 years’ agchem manufacturing experience.
All Formats, One Site
Liquids, powders and granules blended, filled and packed on a single UK site for consistent quality and simpler logistics.
Proven Quality & Compliance
ISO 9001 with in-house QC testing for every batch. Learn more on our Analytical Services page.
Soil Association Accredited
We were the first in our sector to hold this certification and regularly manufacture certified products for our customers.
Committed to Sustainable Manufacturing
We’re continually improving our processes to reduce environmental impact — including on-site solar generation. Learn more on our Sustainable Contract Manufacturing page.
Your Products Stay Yours
Grotech Production has no product range of its own – we manufacture only for our customers. That means we’ll never compete with you in your marketplace – and your products, formulations and customer relationships always remain fully protected
We add value –
Liquid, powder and granule products can be filled, packed, labelled and coded into a wide range of containers from 50ml to bulk tankers.
Let our experienced technical team improve your existing product or develop a new formula to your specifications.
Materials can be sourced and we use CIPAC methods to check all formulations for stability, dissolution and other required criteria as standard.
Need to refresh an existing product? We can rework and repack it for you.
Case Study –
From Problem Brief to Safer Supply Chain
Overview
A new customer approached us with a powder blending and packing requirement, supplying a specification sheet and safety data sheet (SDS) from previous production runs with other manufacturers. Before a single bag was blended, our team identified issues with both the documentation and the formulation itself – and proposed solutions to both.
Challenges
A review of the customer’s SDS flagged two significant problems. Two raw materials had been misclassified as safe when in fact one was caustic and one was an oxidising agent – both requiring hazard warnings on the product label. The oxidising classification also triggered an ADR obligation: ADR (the European Agreement concerning the International Carriage of Dangerous Goods by Road) sets strict requirements for how hazardous materials must be packaged, labelled, and transported, adding cost and complexity to the supply chain.
Separately, the customer had flagged a known processing problem: the blend was hygroscopic, meaning it readily absorbed moisture from the air and tended to cake during blending.
Solutions Provided by Grotech
We proposed a reformulation using alternative raw materials that delivered the same headline specification, while addressing both issues. The revised formulation avoided the caustic and oxidising classifications entirely, removing the need for hazard warnings and the ADR transport requirement. It also blended more cleanly, with significantly less caking. We produced a corrected SDS to reflect the new formulation.
Results & Impact
– Hazard warnings avoided on the label
– ADR transport obligation removed, reducing haulage costs
– A cleaner, easier blending process
– Compliant, accurate documentation from the outset
Why Grotech?
We review every brief thoroughly before production begins even where a customer brings us an established SOP and recipe. In this case, that meant identifying errors in inherited documentation and a formulation that was harder and more costly to work with than it needed to be. The customer came to us for blending and packing – and left with a better process, lower transport costs, and paperwork they could rely on.
FAQs
These FAQs cover some of the post common questions we’re asked about UK-based agrochemical manufacturing, blending and packing.
What does a UK agrochemical contract manufacturer do?
Grotech Production provides confidential, UK-based contract manufacturing for agrochemical, crop-nutrition and biostimulant products. We blend, fill and pack liquids, powders and granules for customer-branded supply, offering both full manufacturing partnerships and overflow production when customers need additional manufacturing capacity.
Do you manufacture both finished products and bulk blends?
Yes. We manufacture and pack finished products and also produce blends and components that are supplied to our customers in bulk for further processing or packing.
Do you manufacture your own product range?
No. Grotech manufactures exclusively for its customers. We have no own-brand products, ensuring complete confidentiality and no conflict of interest.
Are you experienced in handling regulated agrochemical products?
Yes. With over 40 years’ experience in agrochemical manufacturing, we’re trusted by leading crop-input suppliers across the UK. We operate to ISO 9001 quality standards, applying the same care and attention to every batch we produce — whether it’s a large production run or a small specialist blend.
How do you help customers maintain product consistency when raw materials vary?
Our Quality Control and production teams work together to maintain consistent results across batches. Each blend is monitored and verified to meet agreed standards. You can learn more about the testing and QC support we provide on our Analytical Services page.
Can you help manage seasonal peaks in agricultural demand?
Yes. We understand that agrochemical production follows the farming calendar, and our planning systems are built to handle seasonal peaks and urgent repeat batches without disruption to your supply chain.
Do you also manufacture biostimulant products?
Absolutely. Alongside traditional NPK and other agrochemical formulations, we also have extensive experience producing biostimulants for both UK and export markets. Find out more on our Biostimulant Manufacturing page.
How do you ensure environmental responsibility in production?
We’re proud to be Soil Association accredited and to manufacture a range of Soil Association-certified products on behalf of our customers. It reflects our long-term commitment to responsible production and sustainable practices within manufacturing.
Are your processes compliant with UK and EU chemical regulations such as REACH?
Yes. We comply with UK REACH and all relevant chemical-management regulations to ensure safe, traceable production and accurate documentation for every batch.
Which plant-care markets do you manufacture for?
We manufacture products for agriculture, horticulture and professional plant-care sectors — from field crops to amenity turf.
Can you handle specialist liquid agrochemical formulations with specific storage or handling requirements?
Yes. In one project, a liquid fertiliser formulation needed to be maintained at higher ambient temperatures to preserve its liquid form, with vented containers specified to prevent bacteriological degradation. Grotech identified and resolved both requirements as part of the manufacturing process. If your formulation has specific technical requirements, get in touch and we’ll talk through what’s involved.
For more details about our UK-based agrochemical manufacturing services, phone us on 01405 761746 for a confidential discussion or fill in the form above.
