21100 Manufacture of basic pharmaceutical products

Activities ONS lists under 21100

The ONS index assigns these 26 activities to this code. If one describes your company, this is the code to use.

• Antibiotics (manufacture)
• Blood processing (manufacture)
• Chemically pure sugars (manufacture)
• Cyclamates (manufacture)
• Diagnostic reagents based on polymerase chain reaction (PCR) nucleic acid test (manufacture)
• Fatty amines and quaternary ammonium salts (manufacture)
• Gland extracts (manufacture)
• Gland processing (manufacture)
• Glycosides and their salts, ethers, esters and other derivatives (manufacture)
• Hormone (not plant hormone) (manufacture)
• Lactones (other than coumarin, methylcoumarins and ethylcoumarins) (manufacture)
• Medicinal active substances to be used for their pharmacological properties (manufacture)
• Medicinal feed additives (veterinary) (manufacture)
• Microbiological cultures, toxins, etc. (manufacture)
• Mineral and pharmaceutical nutritional ingredients for food and feeding stuff (manufacture)
• O-acetylsalicylic acids (manufacture)
• Pharmaceutical chemicals (manufacture)
• Probiotics (manufacture)
• Provitamins, vitamins and their derivatives (manufacture)
• Quaternary ammonium salts and fatty amines (manufacture)
• Salicylic acid and its salts (manufacture)
• Salicylic medicaments (manufacture)
• Salines (manufacture)
• Sulphonamides (manufacture)
• Veterinary biologicals (manufacture)
• Veterinary feed additives (medicinal) (manufacture)

Source: ONS UK SIC 2007 alphabetical index.

What changes in SIC 2026

ONS published UK SIC 2026 in 2026. Its correspondence table maps this code's class (21.10) to:

"1:1" means the class carries over unchanged in scope; other link types mean it was split or merged. Companies House still uses SIC 2007, so keep filing with 21100 until it announces a switch.

Source: ONS correspondence table, SIC 2007 to SIC 2026.