8Suppliers
2Customers
1Debt Items
20Related Chains

Source-Backed Evidence Depth

Arthur J. Gallagher & Co. (AJG) 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.

12Total relationships
2Distinct source URLs
3High confidence
0.761Average 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.

Arthur J. Gallagher & Co. Suppliers

TickerNameConfidenceEvidence
ANGH Anghami Inc. 72% Reciprocal relationship from ANGH graph: ss impactful streaming platforms with limited Telco integration and overall reach. However, we do not view them as direct competitors, as Anghami uniquely off…
AXS AXIS Capital Holdings Limited 72% Reciprocal relationship from AXS graph: Reciprocal relationship from AJG graph: Reciprocal relationship from AXS graph: Reciprocal relationship from AJG graph: Reciprocal relationship from AXS graph:…
BCHT Birchtech Corp. 72% Reciprocal relationship from BCHT graph: olly-owned subsidiary, MES, Inc., and (a) Chem-Mod LLC (“Chem-Mod”), (b) Arthur J. Gallagher & Co. and AJG Coal, LLC, and (c) DTE Energy Co. and DTE Energy Re…
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 …
MTB M&T Bank Corporation 72% Reciprocal relationship from MTB graph: in the periods where such expenses were incurred. Additionally, the Company expects to achieve operating cost savings and other business synergies as a result …
RNR RenaissanceRe Holdings Ltd. 72% Reciprocal relationship from RNR graph: Reciprocal relationship from AJG graph: Reciprocal relationship from RNR graph: 5-10 are effective for public business entities for annual reporting periods be…
WTM White Mountains Insurance Group, Ltd. 72% Reciprocal relationship from WTM graph: nal and excess of loss basis. Nuclear Nuclear insurance covers country specific nuclear pools and companies and institutions with nuclear exposure excluded fro…
WTW Willis Towers Watson Public Limited Company 72% Reciprocal relationship from WTW graph: Reciprocal relationship from AJG graph: Reciprocal relationship from WTW graph: Reciprocal relationship from AJG graph: Reciprocal relationship from WTW graph:…

Arthur J. Gallagher & Co. Customers

TickerNameConfidenceEvidence
USGOV-DEPARTMENT-OF-TRANSPORTATION USGOV-DEPARTMENT-OF-TRANSPORTATION 95% USAspending awards from Department of Transportation: $6,895,330 across 3 awards. 693JF720C000012 MARINE INSURANCE BROKERAGE AND FLEET PROTECTION&INDEMNITY INSURANCE SERVICES; 693JF726C000004 PROTECT…
KROSE-GMBH KROSE-GMBH 62% e Software I n September 2025, the FASB issued ASU 2025-06, Intangibles-Goodwill and Other-Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software, …

Arthur J. Gallagher & Co. Debt Obligations

InstrumentDescriptionConfidenceEvidence
AJG-DEBT Debt stack $13.5B 90% Market cache reports total debt of $13.5B.

Arthur J. Gallagher & Co. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Arthur J. Gallagher & Co..

Arthur J. Gallagher & Co. Ownership

HolderNameConfidenceEvidence
AJG-OWNER-VANGUARD-CAPITAL-MANAGEMENT-LLC VANGUARD CAPITAL MANAGEMENT LLC 90% 13F overlay lists VANGUARD CAPITAL MANAGEMENT LLC as top holder; 1256 tracked holders.

Arthur J. Gallagher & Co. Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
FNMAS Federal National Mortgage Association 100.00 2
FMCKI Federal Home Loan Mortgage Corporation 100.00 2
RNR RenaissanceRe Holdings Ltd. 100.00 1 ['supplier']
ANGH Anghami Inc. 100.00 1 ['supplier']
BCHT Birchtech Corp. 100.00 1 ['supplier']
MTB M&T Bank Corporation 100.00 1 ['supplier']
AON Aon plc 100.00 2
MRSH Marsh & McLennan Companies, Inc. 100.00 2
WTM White Mountains Insurance Group, Ltd. 100.00 1 ['supplier']
WTW Willis Towers Watson Public Limited Company 100.00 1 ['supplier']
GSHD Goosehead Insurance, Inc. 100.00 1 ['supplier']
TLN Talen Energy Corporation 50.00 2
MAX MediaAlpha, Inc. 50.00 2
RNR-PF RenaissanceRe Holdings Ltd. 50.00 2
LNT Alliant Energy Corporation 50.00 2
LPLA LPL Financial Holdings Inc. 50.00 2
NRG NRG Energy, Inc. 50.00 2
ALL-PB ALLSTATE CORP 50.00 2
VALE Vale S.A. 50.00 2
PRGS Progress Software Corporation 50.00 2
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AJG
Unlock AJG Supply Chain Data
Verified relationships include:
ANGHAnghami Inc.Supplier72%
AXSAXIS Capital Holdings LimitedSupplier72%
USGOV-DEPARTMENT-OF-TRANSPORTATIONUSGOV-DEPARTMENT-OF-TRANS…Customer95%
KROSE-GMBHKROSE-GMBHCustomer62%
+8 more relationships locked
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