Our biology service line encompasses the full range of biological evidence transferred during contact between individuals, clothing, weapons and other items.

Body fluids analysis

• Blood
• Saliva
• Semen
• Other bodily excretions
• Tissue examination
• Hair
• Skin cells
• Nails
• Teeth and bone

Our experts identify, recover and interpret biological material to provide reliable forensic insights for every case.

Blood pattern analysis (BPA)
Our forensic scientists provide expert bloodstain pattern analysis to reconstruct events at crime scenes.

This service helps to:

• Interpret how bloodshed occurred
• Evaluate competing accounts of events
• Identify relevant samples for DNA testing

Blood pattern analysis can be critical in determining whether an individual was involved in an assault or present in another capacity.

Scene attendance and on-site expertise
We offer a 24/7 forensic biology scene attendance service across England and Wales. 

Our experienced scene-attending scientists:

• Advise on evidence recovery strategies
• Conduct on-site examinations
• Provide ongoing case support

With teams based at multiple laboratories, we ensure rapid deployment and consistent, high-quality forensic input.