Evidential integrity, end to end.
Chain-of-Custody Procedures
When samples must stand up to legal or regulatory scrutiny, our chain-of-custody service provides a fully documented, tamper-evident workflow from identity verification to laboratory hand-off.
What’s included
Everything handled by our nurse-led team.
- Photographic ID verification
- Signed consent and witness documentation
- Tamper-evident packaging with unique seals
- Signed transfer logs at every handover
- Detailed audit trail for legal disclosure
Our process
Calm, clinical, fully documented.
- 01
Scope
We align with your solicitor or compliance team.
- 02
Verify
Identity, photography and consent captured on site.
- 03
Seal
Samples sealed in tamper-evident chain-of-custody bags.
- 04
Transfer
Documented handover to your accredited laboratory.
Frequently asked
Your questions, answered.
Who can witness the collection?+
A second registered professional from our team, or an agreed independent witness.
Do you retain documentation?+
Yes — securely, in line with UK data protection law and your retention requirements.
More services
Explore related services
DNA Sample Collection
Professional DNA sample collection for private, legal, and medical purposes.
Learn moreLegal & Immigration DNA
Chain-of-custody collection for immigration, legal documentation, and official processes.
Learn morePrenatal & Relationship Testing
Support for prenatal, paternity, maternity, sibling, and relationship testing.
Learn moreReady to book Chain-of-Custody Procedures?
Speak to our clinical team about your case — confidential, judgement-free, and arranged around you.
