Arthur J. Gallagher & Co.
E364796
Arthur J. Gallagher & Co. is a global insurance brokerage and risk management services firm headquartered in the United States.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Arthur J. Gallagher & Co. canonical | 5 |
| Gallagher Bassett Services, Inc. | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3524017 — 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: Arthur J. Gallagher & Co. Context triple: [Willis Group Holdings, hasCompetitor, Arthur J. Gallagher & Co.]
-
A.
Aon Corporation
Aon Corporation is a global professional services firm specializing in risk management, insurance brokerage, and human capital consulting.
-
B.
Marsh & McLennan
Marsh & McLennan is a global professional services firm specializing in insurance brokerage, risk management, and consulting.
-
C.
Willis Group Holdings
Willis Group Holdings was a global insurance brokerage and risk management firm best known for acquiring the naming rights to Chicago’s Willis Tower (formerly the Sears Tower).
-
D.
Allen & Company
Allen & Company is a private investment bank and financial advisory firm known for its work with media, technology, and entertainment companies, as well as its exclusive annual Sun Valley Conference.
-
E.
The Perot Group
The Perot Group is a private investment and asset management firm founded by the Perot family that oversees and grows their diverse business interests.
- 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: Arthur J. Gallagher & Co. Target entity description: Arthur J. Gallagher & Co. is a global insurance brokerage and risk management services firm headquartered in the United States.
-
A.
Aon Corporation
Aon Corporation is a global professional services firm specializing in risk management, insurance brokerage, and human capital consulting.
-
B.
Marsh & McLennan
Marsh & McLennan is a global professional services firm specializing in insurance brokerage, risk management, and consulting.
-
C.
Willis Group Holdings
Willis Group Holdings was a global insurance brokerage and risk management firm best known for acquiring the naming rights to Chicago’s Willis Tower (formerly the Sears Tower).
-
D.
Allen & Company
Allen & Company is a private investment bank and financial advisory firm known for its work with media, technology, and entertainment companies, as well as its exclusive annual Sun Valley Conference.
-
E.
The Perot Group
The Perot Group is a private investment and asset management firm founded by the Perot family that oversees and grows their diverse business interests.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
insurance brokerage company
ⓘ
public company ⓘ risk management services firm ⓘ |
| areaServed | worldwide ⓘ |
| businessModel | business-to-business services ⓘ |
| businessStrategy | growth by acquisition ⓘ |
| clientType |
corporate clients
ⓘ
individual customers ⓘ nonprofit organizations ⓘ public sector entities ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| foundedBy | Arthur J. Gallagher ⓘ |
| foundingLocation | Chicago, Illinois, United States ⓘ |
| hasOfficeIn |
Africa
ⓘ
Asia-Pacific ⓘ Europe ⓘ Latin America ⓘ Middle East ⓘ North America ⓘ |
| hasSubsidiary |
Artex Risk Solutions
ⓘ
Gallagher Bassett Services, Inc. ⓘ
linked to:
Arthur J. Gallagher & Co.
Gallagher Re ⓘ |
| headquartersLocation |
Rolling Meadows, Illinois, United States
ⓘ
linked to:
Rolling Meadows, Illinois
|
| inception | 1927 ⓘ |
| industry |
insurance brokerage
ⓘ
reinsurance brokerage ⓘ risk management ⓘ |
| isListedOn | S&P 500 Index ⓘ |
| languageOfWorkOrName | English ⓘ |
| legalForm | corporation ⓘ |
| namedAfter | Arthur J. Gallagher ⓘ |
| offers |
alternative risk financing solutions
ⓘ
captive insurance management ⓘ claims management services ⓘ employee benefits brokerage ⓘ property and casualty insurance brokerage ⓘ reinsurance placement ⓘ risk management consulting services ⓘ |
| regulatoryStatus | regulated financial services provider ⓘ |
| sector | financial services ⓘ |
| services |
employee benefits consulting
ⓘ
insurance brokerage ⓘ reinsurance brokerage services ⓘ risk management consulting ⓘ |
| stockExchange | New York Stock Exchange ⓘ |
| tickerSymbol | AJG ⓘ |
| website | https://www.ajg.com/ ⓘ |
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: Arthur J. Gallagher & Co. Description of subject: Arthur J. Gallagher & Co. is a global insurance brokerage and risk management services firm headquartered in the United States.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.