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Directory

Active Pharmaceutical Ingredient (API) Companies in the UK

Active pharmaceutical ingredient companies develop and manufacture the substances responsible for the therapeutic effects of medicines. These companies support pharmaceutical and biotechnology developers from early process development through to clinical and commercial production.

This category includes companies working on:

  • API synthesis and process development
  • Route optimisation and scale-up
  • GMP manufacturing and commercial supply
  • High-potency and complex active ingredients
  • Pharmaceutical intermediates and analytical services

Browse 30 UK active pharmaceutical ingredient companies below.

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Active Pharmaceutical Ingredients
Showing 13–24 of 30
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Resolian

East of England

Bioanalytical, DMPK and analytical sciences CRO for drug development

Resolian UK is a contract research organisation specialising in bioanalysis, drug metabolism and pharmacokinetics, and analytical sciences services for pharmaceutical and…

CRO
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HydRegen

South East England

Enzyme-based platform for sustainable industrial chemical manufacture

HydRegen is a biotechnology company developing enzyme immobilisation platforms that replace heavy-metal catalysts in redox and hydrogenation reactions. The technology uses…

Biotech (Industrial)
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Amano Enzyme

South East England

Specialty enzyme manufacturer serving food, diagnostics and pharmaceutical industries

Amano Enzyme Europe is the UK subsidiary of Japanese specialty enzyme manufacturer Amano Enzyme Inc, serving as its EMEA hub. The company supplies microbial enzymes for food and…

Reagents & ConsumablesBiotech (Industrial)
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Active Pharma Supplies

North West England

API and excipient supplier for pharmaceutical manufacturers

Active Pharma Supplies is a UK-based distributor and licensed repackager of active pharmaceutical ingredients and excipients, supplying hospitals, licensed specials manufacturers,…

Distributor / Supplier
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Catalent Pharma Solutions

South West England

Global CDMO for drug development, delivery and manufacture

Catalent Pharma Solutions is a contract development and manufacturing organisation providing drug development, formulation, and manufacturing services across small molecules,…

CDMO
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Kedrion Biopharma

East of England

Plasma fractionation and manufacture of plasma-derived therapies

Kedrion Biopharma is a biopharmaceutical manufacturer specialising in the fractionation of human blood plasma to produce albumin solutions, immunoglobulins and coagulation factors…

Biopharma
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Veranova

East of England

Solid form sciences and API development for drug candidates

Veranova's Cambridge site is a centre of excellence in solid form and particle engineering, operating under the Pharmorphix brand. The facility provides polymorph screening, salt…

CDMO
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Almac Group

Northern Ireland

Contract pharmaceutical development, manufacturing and diagnostic services

Almac Group is a privately owned contract development and manufacturing organisation providing integrated services across the drug development lifecycle to pharmaceutical and…

CDMOCRO
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Hikma Pharmaceuticals

Greater London

Global generics and specialty pharmaceutical manufacturer headquartered in London

Hikma Pharmaceuticals is a multinational pharmaceutical company developing, manufacturing and marketing generic, specialty and branded medicines across injectable, oral and…

Biopharma
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Dr. Reddy's Laboratories

Yorkshire

API development and GMP manufacturing for pharmaceutical innovators

Dr. Reddy's Laboratories is the UK manufacturing and contract services subsidiary of Indian multinational Dr. Reddy's Laboratories. Operating as Custom Pharma Services (CPS), the…

CDMO
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Biotage

Wales

Separation, purification, and sample preparation tools for life science workflows

Biotage GB is the UK subsidiary of Biotage AB, a Swedish life science tools group with manufacturing roots in Wales dating to 1969. Operating from facilities in Ystrad Mynach and…

Instruments & EquipmentReagents & Consumables
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Butterworth Laboratories

Greater London

Contract analytical chemistry and quality control testing for pharmaceutical materials

Butterworth Laboratories is an independent contract analytical chemistry laboratory providing quality control testing, method development and stability testing to the…

CRO
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