CRESTCo Limited
E223473
CRESTCo Limited was the company that operated the UK’s CREST electronic securities settlement system before its functions were taken over by Euroclear.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CRESTCo Limited canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1975854 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CRESTCo Limited Context triple: [CREST, previousOperator, CRESTCo Limited]
-
A.
Hillside Group
Hillside Group is a software patterns and agile development community best known for organizing the PLoP (Pattern Languages of Programs) conferences and advancing the use of design patterns in software engineering.
-
B.
Northesk
Northesk is the territorial designation associated with the Scottish peerage title Earl of Northesk, historically linked to the Carnegie family.
-
C.
Esken Limited
Esken Limited is a UK-based infrastructure and aviation services company best known for owning and operating London Southend Airport.
-
D.
Graham-Newman Corporation
Graham-Newman Corporation was an influential mid-20th-century investment partnership known for pioneering value investing principles under Benjamin Graham’s leadership.
-
E.
Supai Group
The Supai Group is a prominent sequence of red sandstone, siltstone, and shale rock layers that forms striking cliffs and slopes in many canyons and mesas across the Colorado Plateau.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CRESTCo Limited Target entity description: CRESTCo Limited was the company that operated the UK’s CREST electronic securities settlement system before its functions were taken over by Euroclear.
-
A.
Hillside Group
Hillside Group is a software patterns and agile development community best known for organizing the PLoP (Pattern Languages of Programs) conferences and advancing the use of design patterns in software engineering.
-
B.
Northesk
Northesk is the territorial designation associated with the Scottish peerage title Earl of Northesk, historically linked to the Carnegie family.
-
C.
Esken Limited
Esken Limited is a UK-based infrastructure and aviation services company best known for owning and operating London Southend Airport.
-
D.
Graham-Newman Corporation
Graham-Newman Corporation was an influential mid-20th-century investment partnership known for pioneering value investing principles under Benjamin Graham’s leadership.
-
E.
Supai Group
The Supai Group is a prominent sequence of red sandstone, siltstone, and shale rock layers that forms striking cliffs and slopes in many canyons and mesas across the Colorado Plateau.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
company
ⓘ
financial market infrastructure operator ⓘ |
| associatedWith |
Bank of England
ⓘ
London Stock Exchange ⓘ |
| country | United Kingdom ⓘ |
| currencyOfSettlement |
euro
ⓘ
pound sterling ⓘ |
| function |
central securities depository
ⓘ
electronic settlement of securities ⓘ |
| industry |
post-trade services
ⓘ
securities settlement ⓘ |
| location |
London, England
ⓘ
surface form:
London
|
| notableFor | operating the UK CREST settlement system before Euroclear takeover ⓘ |
| operated | CREST electronic securities settlement system ⓘ |
| operatedFor |
Irish equity markets
ⓘ
UK equity markets ⓘ corporate bonds ⓘ depositary receipts ⓘ gilts ⓘ warrants ⓘ |
| operatedSystem | CREST ⓘ |
| parentCompany | Euroclear ⓘ |
| provided |
dematerialised securities settlement
ⓘ
electronic share registration ⓘ |
| regionServed |
Europe
ⓘ
United Kingdom ⓘ |
| regulatedBy |
Bank of England
ⓘ
UK financial authorities ⓘ |
| regulatoryRole | systemically important payment system ⓘ |
| replacedBy |
Euroclear
ⓘ
surface form:
Euroclear UK & Ireland
|
| sector | financial services ⓘ |
| serviceArea |
Channel Islands (crown dependencies)
ⓘ
surface form:
Channel Islands
Ireland ⓘ Isle of Man (crown dependency) ⓘ
surface form:
Isle of Man
United Kingdom ⓘ |
| settlementModel | delivery versus payment ⓘ |
| settlementType | book-entry ⓘ |
| status | defunct ⓘ |
| successor |
Euroclear
ⓘ
surface form:
Euroclear UK & Ireland
|
| technologyType | real-time settlement system ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: CRESTCo Limited Description of subject: CRESTCo Limited was the company that operated the UK’s CREST electronic securities settlement system before its functions were taken over by Euroclear.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.