Maritime and Coastguard Agency · production
Themis
"Themis is an Electronic Maritime Drift modelling system used to calculate predicted drift of leeway objects using deterministic and probabilistic modelling."
Publicly known
- Owner: Maritime and Coastguard Agency
- Vendor: COLLECTE LOCALISATION SATELLITES (CLS) UK LIMITED
Undisclosed
- Model architecture
- Model performance benchmarks
- Training data provenance
Who is actually being paid
COLLECTE LOCALISATION SATELLITES (CLS) UK LIMITED
06635456Role
Developer and supplier of the tool provided as a fully managed service to HMCG.
Procurement procedure
Competitive tender
Data access terms
Under the terms of procurement rules. The supplier does not have any access to government data sets. The MCA has purchased data sets which can be digested by the System, such as data from the UK Hydrographic Office, but this agreement is between the MCA and UK HO and not the THEMIS Supplier. The supplier does have the ability to access the data stored within the system, but this is for archiving or fault finding and personal data isn’t accessed, only the basic system info.
Verified at Companies House · checked 4 November 2026
Registered as COLLECTE LOCALISATION SATELLITES (CLS) UK LIMITED · Active · incorporated 2008
View on the registerSource: ATRS record · last updated Thu Oct 30 2025