Who are Aon plc's main suppliers?

Aon plc (AON) key suppliers include: AXIS Capital Holdings Limited, RenaissanceRe Holdings Ltd., Pelagos Insurance Capital Limited, Goosehead Insurance, Inc., Health Catalyst, Inc. and 1 more. View the full supplier network at chainsifter.com/chain/AON.

Who are Aon plc's major customers?

Aon plc (AON) key customers include: Credit-Enhanced Corts Trust Aon, AON-CORPORATION-AON-GLOBAL-LIMITED-AON-GLOBAL-HO, AON-GLOBAL-HOLDINGS, AON-GLOBAL-LIMITED, AON-GLOBAL-LIMITED-AON-GLOBAL-HOLDINGS and 9 more. View the full customer network at chainsifter.com/chain/AON.

What sector is Aon plc in?

Aon plc (AON) operates in the general sector. ChainSifter tracks its verified supply chain relationships including suppliers, customers, and strategic partners.

Aon plc Supplier List (AON): 6 Verified Suppliers

6Suppliers

14Customers

2Debt Items

20Related Chains

Source-Backed Evidence Depth

Aon plc (AON) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

23Total relationships

1Distinct source URLs

7High confidence

0.716Average confidence

2026-09-13Latest database update

ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

Aon plc Suppliers

Ticker	Name	Confidence	Evidence
AXS	AXIS Capital Holdings Limited	92%	Reciprocal relationship from AXS graph: Reciprocal relationship from AON graph: Reciprocal relationship from AXS graph: Reciprocal relationship from AON graph: Reciprocal relationship from AXS graph:…
RNR	RenaissanceRe Holdings Ltd.	92%	Reciprocal relationship from RNR graph: In 2025, three brokerage firms accounted for 81.3% of our gross premiums written. The following table shows the percentage of our Property and Casualty and Spe…
FIHL	Pelagos Insurance Capital Limited	90%	Reciprocal relationship from FIHL graph: The following table sets forth the Group’s premiums written by source that individually contributed more than 10% of total GPW for the years ended December 31…
GSHD	Goosehead Insurance, Inc.	72%	Reciprocal relationship from GSHD graph: . Independent agencies are “independent” of any one Carrier and can offer insurance products from multiple Carriers to their clients. There are approximately …
HCAT	Health Catalyst, Inc.	72%	Reciprocal relationship from HCAT graph: that correlate with the growth of sustainable long-term value for our stockholders. For this purpose, we use a mix of compensation elements including base sal…
WTM	White Mountains Insurance Group, Ltd.	72%	Reciprocal relationship from WTM graph: Reciprocal relationship from AON graph: Reciprocal relationship from WTM graph: nal and excess of loss basis. Nuclear Nuclear insurance covers country specific…

Aon plc Customers

Ticker	Name	Confidence	Evidence
KTN	Credit-Enhanced Corts Trust Aon	80%	Reciprocal relationship from KTN graph: Reciprocal relationship from AON graph: Reciprocal relationship from KTN graph: The issuer(s) of the underlying securities, or guarantor thereof, or successor …
AON-CORPORATION-AON-GLOBAL-LIMITED-AON-GLOBAL-HO	AON-CORPORATION-AON-GLOBAL-LIMITED-AON-GLOBAL-HO	62%	n to dismiss the matter. In the fourth quarter of 2023, the Company recognized actual or anticipated legal settlement expenses in connection with these matters of $ 197 million, of which a potentiall…
AON-GLOBAL-HOLDINGS	AON-GLOBAL-HOLDINGS	62%	s of our debt at May 1, 2026 appear in the table below. Ratings Senior Long-term Debt Commercial Paper Outlook Standard & Poor’s A- A-2 Stable Moody’s Investor Services Baa2 P-2 Positive Fitch, Inc. …
AON-GLOBAL-LIMITED	AON-GLOBAL-LIMITED	62%	s of our debt at May 1, 2026 appear in the table below. Ratings Senior Long-term Debt Commercial Paper Outlook Standard & Poor’s A- A-2 Stable Moody’s Investor Services Baa2 P-2 Positive Fitch, Inc. …
AON-GLOBAL-LIMITED-AON-GLOBAL-HOLDINGS	AON-GLOBAL-LIMITED-AON-GLOBAL-HOLDINGS	62%	n to dismiss the matter. In the fourth quarter of 2023, the Company recognized actual or anticipated legal settlement expenses in connection with these matters of $ 197 million, of which a potentiall…
AON-GLOBAL-LIMITED-AON-NORTH-AMERICA-INC	AON-GLOBAL-LIMITED-AON-NORTH-AMERICA-INC	62%	s of our debt at May 1, 2026 appear in the table below. Ratings Senior Long-term Debt Commercial Paper Outlook Standard & Poor’s A- A-2 Stable Moody’s Investor Services Baa2 P-2 Positive Fitch, Inc. …
AON-NORTH-AMERICA-INC	AON-NORTH-AMERICA-INC	62%	s of our debt at May 1, 2026 appear in the table below. Ratings Senior Long-term Debt Commercial Paper Outlook Standard & Poor’s A- A-2 Stable Moody’s Investor Services Baa2 P-2 Positive Fitch, Inc. …
AON-U-K-LIMITED	AON-U-K-LIMITED	62%	ories of bonds and derivatives. Corporate, government, and agency bonds are valued by pricing vendors who estimate fair value using recently executed transactions and proprietary models based on obse…
BERMUDA-LTD	BERMUDA-LTD	62%	ritorious defenses and intends to vigorously defend itself against the remaining claims. Certain of the Company’s clients and counterparties have initiated or indicated that they may initiate legal p…
CLEAR-BLUE-INSURANCE-COMPANY	CLEAR-BLUE-INSURANCE-COMPANY	62%	ritorious defenses and intends to vigorously defend itself against the remaining claims. Certain of the Company’s clients and counterparties have initiated or indicated that they may initiate legal p…
CO-ISSUED-NOTES-AON-CORPORATION-AON-NORTH-AMERIC	CO-ISSUED-NOTES-AON-CORPORATION-AON-NORTH-AMERIC	62%	s of our debt at May 1, 2026 appear in the table below. Ratings Senior Long-term Debt Commercial Paper Outlook Standard & Poor’s A- A-2 Stable Moody’s Investor Services Baa2 P-2 Positive Fitch, Inc. …
NEW-YORK-MELLON-TRUST-COMPANY	NEW-YORK-MELLON-TRUST-COMPANY	62%	n to dismiss the matter. In the fourth quarter of 2023, the Company recognized actual or anticipated legal settlement expenses in connection with these matters of $ 197 million, of which a potentiall…
SHOREONE-INSURANCE-MANAGERS-INC	SHOREONE-INSURANCE-MANAGERS-INC	62%	deration 140 99 Compensation and benefits 53 60 Deferred revenue 28 30 Other 92 82 Total $ 1,359 $ 1,285 7. Acquisitions and Dispositions of Businesses Completed Acquisitions Total acquisitions compl…
TECHNOLOGY-GROUP	TECHNOLOGY-GROUP	62%	based on two segments: Risk Capital and Human Capital. This segmentation allows the CODM, who is our Chief Executive Officer and President, to align the assessment of performance and allocation of re…

Aon plc Debt Obligations

Instrument	Description	Confidence	Evidence
AON-DEBT	Debt stack $15.0B	90%	Market cache reports total debt of $15.0B.
AON-DEBT-7184	Xbrl Convertible	90%	xbrl convertible detail from xbrl 2007-12-31.

Aon plc Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Aon plc.

Aon plc Ownership

Holder	Name	Confidence	Evidence
AON-OWNER-VANGUARD-CAPITAL-MANAGEMENT-LLC	VANGUARD CAPITAL MANAGEMENT LLC	90%	13F overlay lists VANGUARD CAPITAL MANAGEMENT LLC as top holder; 1256 tracked holders.

Aon plc Extended Supply Chain Network

Ticker	Name	Chain Index	Hops	Relationship Types
WTM	White Mountains Insurance Group, Ltd.	100.00	1	['supplier']
BMO	Bank of Montreal	100.00	2
AJG	Arthur J. Gallagher & Co.	100.00	2
HCAT	Health Catalyst, Inc.	100.00	1	['supplier']
FNMAS	Federal National Mortgage Association	100.00	2
FMCKI	Federal Home Loan Mortgage Corporation	100.00	2
MRSH	Marsh & McLennan Companies, Inc.	100.00	2
GSHD	Goosehead Insurance, Inc.	100.00	1	['supplier']
RNR	RenaissanceRe Holdings Ltd.	100.00	1	['supplier']
ALL-PB	ALLSTATE CORP	50.00	2
VALE	Vale S.A.	50.00	2
FRO	Frontline plc	50.00	2
CRS	Carpenter Technology Corporation	50.00	2
SBS	Companhia de Saneamento Básico do Estado de São Paulo - SABESP	50.00	2
BHAT	Blue Hat Interactive Entertainment Technology	50.00	2
CEP	CEP	50.00	2
MAX	MediaAlpha, Inc.	50.00	2
SPOK	Spok Holdings, Inc.	50.00	2
AIG	American International Group, Inc.	50.00	2
RNR-PF	RenaissanceRe Holdings Ltd.	50.00	2

Aon plc Supply Chain