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Welcome to Wessex Fine Chemicals

For over 30 years, we’ve been the trusted partner to pharmaceutical manufacturers across the UK and beyond — delivering quality, reliability, and peace of mind in every shipment.

Supplying APIs with Integrity Since 1994

For over 30 years, we’ve been the trusted partner to pharmaceutical manufacturers across the UK and beyond — delivering quality, reliability, and peace of mind in every shipment.

Services Contact Us
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Consistency You Can Always Count On

We prioritise lasting relationships, providing dependable supply, proactive regulatory support, and a deep understanding of your needs from first order to ongoing partnership.

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Committed to Doing Things the Right Way

From sourcing to delivery, our uncompromising standards and Good Distribution Practice (GDP) expertise ensure your products meet the highest expectations — every time.

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From Clinical Trials to Large-Scale Manufacturing

Whether you’re developing a breakthrough treatment or supplying everyday medicines, our team is here to keep your projects moving with the right APIs at the right time.

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Welcome to Wessex Fine Chemicals Specialists in APIs. Experts in supply.

At Wessex Fine Chemicals, we specialise in sourcing and supplying active pharmaceutical ingredients (APIs) to medicine manufacturers throughout the United Kingdom and globally. Since our incorporation in 1994, we’ve supported the pharmaceutical industry from the earliest days of Good Manufacturing Practice (GMP) to today’s highly regulated supply chain environment — always with a commitment to doing things the right way.

With decades of experience and a proactive regulatory approach, we’re proud to be the trusted API supply partner for clients ranging from generic and OTC manufacturers to clinical trial units, specials manufacturers, and hospital pharmacy teams.
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Deep Global ConnectivityDelivering Quality APIs with Integrity and Precision

Our global supplier network now includes over 80 overseas API manufacturers around the world. Whether you require milligrams of impurities for R&D or bulk container loads of active substances for commercial manufacture, we have the experience and relationships in place to make it happen — securely and efficiently.
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We Understand API Supply - And What It Takes to Get It Right

We believe that understanding, regulatory expertise, and strong connectivity are the cornerstones of a successful API distribution business. At Wessex Fine Chemicals, this is how we work.

We have a wide and deep understanding of the API supply side. With over 30 years of experience, we understand both the technical, regulatory and commercial realities of pharmaceutical manufacturing and API supply. From navigating complex procurement processes to selecting the right supplier, we work as an extension of your team, providing informed guidance at every step.
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Regulatory Expertise You Can Rely OnSupporting Medicine Manufacturers Since 1994

Compliance is obviously critical in pharmaceutical distribution — and it’s one of our key strengths. We are:

  • MHRA registered and inspected as Importers and Distributors of Active Substances
  • GDP certified for active substances
  • Licensed by the Home Office to handle controlled substances

Our team is trained in EU GDP guidelines, MHRA requirements, and we understand the specific regulatory constraints under which your business operates. Each step in the supply chain is documented, auditable, and compliant.

What Makes Us Different?Specialists in Sourcing and Supplying Active Substances

A Trusted 
Track Record

Our customers come first – we’ll supply what you need, not just what we can offer. We’ve supplied more than 120 different APIs to over 50 pharmaceutical customers, supporting everything from New Product Development for first-time licence submissions to long-term commercial supply.

End-to-End 
Support

From initial API feasibility through source identification and final source selection, through product development, process validation and regulatory submission, our consultancy-led model ensures you’re not just buying an API — you’re gaining a knowledgeable partner who will be with you through every stage of the process.

Safe Hands, 
Real Service

Our customers stay with us because we’re approachable, responsive, and dependable. We are an efficient, highly knowledgable, professional team, based in the UK, who care about doing things right. We’ll respond to your queries and give you honest, practical advice backed by real life experience. We do what we say we will do.
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Based in the UK, Connected GloballyConnecting Manufacturers with Trusted API Sources

From our own UK-based offices in Ashford, Kent, we operate with the capacity, systems, and people to support your API sourcing requirements — no matter the size or scope. We invest heavily in staff training, continuous improvement, and robust quality systems, ensuring our service always meets the evolving standards of the industry.

Who We Work WithGlobal API Supply, Local Expertise

We are a pure-play active substance supplier to the pharmaceutical industry, working with:

  • Generic and branded medicine manufacturers
  • OTC (over-the-counter) product suppliers
  • Specials (unlicensed) manufacturers
  • Veterinary medicine producers
  • CROs (contract research organisations)
  • Hospital pharmacy units
  • Clinical trial and development companies

Our knowledge spans the entire spectrum of pharmaceutical manufacturing environments — meaning we can adapt to your needs, however specialised or complex.

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A Partnership Built on Trust and ExperienceOver 30 Years of Pharmaceutical Supply Excellence

Successful API supply is not just about delivery.  It is a complex process where a myriad of factors need to align.   At Wessex Fine Chemicals, we combine knowledge, compliance, and connectivity to deliver the right API — with the right regulatory — from the right source. We’ve built our business by earning the trust of manufacturers who need more than just a supplier. They need a partner and that’s what we deliver.

Let’s make your supply chain stronger — together.

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API supply is a process, not just a deliveryWe understand the whole process.

  • Phone: 01233 659558
  • Email us using the contact form below.
  • Address: Blackthorn House, Bridge Road, Ashford, TN23 1BB, UK

Contact Us

We’re here to support your pharmaceutical ingredient needs. Whether you’re looking for a specific API, need guidance on regulatory requirements, or simply want to discuss a potential project, our experienced team is ready to help.

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