13Suppliers
24Customers
1Debt Items
20Related Chains

Source-Backed Evidence Depth

Banco Santander, S.A. (SAN) 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.

40Total relationships
1Distinct source URLs
8High confidence
0.713Average 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.

Banco Santander, S.A. Suppliers

TickerNameConfidenceEvidence
WBS Webster Financial Corporation 90% Reciprocal relationship from WBS graph: Reciprocal relationship from SAN graph: Reciprocal relationship from WBS graph: Reciprocal relationship from SAN graph: Reciprocal relationship from WBS graph:…
BSAC Banco Santander-Chile 72% Reciprocal relationship from BSAC graph: NOTE 34 - TRANSACTIONS WITH RELATED PARTIES, continue c. Income (expense) recorded due to transactions with related parties For the years ended December 31, 2…
BSBR Banco Santander (Brasil) S.A. 72% Reciprocal relationship from BSBR graph: 43,603 - 1,043,603 OPERATING PROFIT BEFORE TAX (1) 5,952,902 5,968,749 11,921,651 Currency Hedge (1) ( 163,165 ) - ( 163,165 ) ADJUSTED OPERATING INCOME BEFOR…
CCEP Coca-Cola Europacific Partners PLC 72% Reciprocal relationship from CCEP graph: . Sol Daurella Chairman Appointed May 2016 Committees Key strengths/experience ■ Experienced director of public companies operating in an international enviro…
CSIQ Canadian Solar Inc. 72% Reciprocal relationship from CSIQ graph: Reciprocal relationship from SAN graph: Reciprocal relationship from CSIQ graph: Reciprocal relationship from SAN graph: Reciprocal relationship from CSIQ gra…
EDTK Skillful Craftsman Education Technology Limited 72% Reciprocal relationship from EDTK graph: ent’s supervision. We believe that the estimated fair value assigned to the assets acquired and liabilities assumed are based on reasonable assumptions and es…
MTLS Materialise NV 72% Reciprocal relationship from MTLS graph: Reciprocal relationship from SAN graph: Reciprocal relationship from MTLS graph: Reciprocal relationship from SAN graph: Reciprocal relationship from MTLS gra…
NVGS Navigator Holdings Ltd. 72% Reciprocal relationship from NVGS graph: Reciprocal relationship from SAN graph: Reciprocal relationship from NVGS graph: Reciprocal relationship from SAN graph: Reciprocal relationship from NVGS gra…
SPRU Spruce Power Holding Corporation 72% Reciprocal relationship from SPRU graph: Item 1, “Business” within this Annual Report for additional information on our corporate history and background. Operating Highlights For the years ended Dece…
TEO Telecom Argentina S.A. 72% Reciprocal relationship from TEO graph: n’s then existing operations. We are one of the largest private-sector companies in Argentina in terms of revenues, net income (loss), capital expenditures and…
WAL Western Alliance Bancorporation 72% Reciprocal relationship from WAL graph: te: Data as of March 31, 2026. Represents publicly traded, U.S. headquartered commercial banks excluding trust banks (Bank of New York Mellon, State Street), i…
WBX Wallbox N.V. 72% Reciprocal relationship from WBX graph: isting shareholders. Investors should read this risk factor in conjunction with the more detailed discussion of our restructuring process and going concern ass…
FSP Franklin Street Properties Corp. 62% Reciprocal relationship from FSP graph: Reciprocal relationship from SAN graph: Reciprocal relationship from FSP graph: investment trust, where she held various positions, including the position of C…

Banco Santander, S.A. Customers

TickerNameConfidenceEvidence
WBS Webster Financial Corporation 92% Reciprocal relationship from WBS graph: Reciprocal relationship from SAN graph: Reciprocal relationship from WBS graph: Banco Santander will acquire Webster in two steps.
AEG Aegon Ltd. 90% Reciprocal relationship from AEG graph: In Spain & Portugal , Aegon has a strategic partnership with Banco Santander to distribute life, health, and non-life insurance products through the bank’s branches
CRM Salesforce, Inc. 90% Reciprocal relationship from CRM graph: Under the terms of the ASR Agreements, the Company will make payments in an aggregate amount of $25 billion to the ASR Counterparties on March 16, 2026, and th…
O Realty Income Corporation 90% Reciprocal relationship from O graph: the Company may enter into a Forward Sale Agreement with any Forward Purchaser, the Company expects that such Forward Purchaser or its affiliate will attempt to …
FISI Financial Institutions, Inc. 72% or managing the risk of illegal deforestation in the bovine meat chain. The protocol set out the guidelines that its signatories were to adopt. By signing the protocol, Santander has aligned its ambi…
FISI Financial Institutions, Inc. 72% Reciprocal relationship from FISI graph: Reciprocal relationship from SAN graph: or managing the risk of illegal deforestation in the bovine meat chain. The protocol set out the guidelines that its s…
MS-PE Morgan Stanley 72% Reciprocal relationship from MS-PE graph: Reciprocal relationship from SAN graph: n advising on, and financing, large battery storage projects critical for the energy transition. Thorpe Marsh is the …
MS-PK Morgan Stanley 72% n advising on, and financing, large battery storage projects critical for the energy transition. Thorpe Marsh is the UK’s largest battery energy storage project and the largest BESS financing in Euro…
ALL-GROUP ALL-GROUP 62% gdom and Uruguay. Customer complaints All Group entities (>1% of reported claims volume in 2025). Financial health and inclusion Main companies of the Group in: Argentina, Brazil, Chile, Colombia, Me…
AT-GROUP AT-GROUP 62% ific characteristics and regulations, a more granular analysis is carried out considering key risk factors and drivers including residual value risk, portfolio maturity, changes in market sentiment, …
ERSTE-GROUP ERSTE-GROUP 62% ty interests). Annual report 2025 13 Contents Business model and strateg y l Sustainability statement l Corporate governanc e l Economic and financial revie w l Risk management and compliance l Retai…
FS-ISAC-G7-CYBER-EXPERTS-GROUP FS-ISAC-G7-CYBER-EXPERTS-GROUP 62% ase management teams in call centres and branches; • issuing mandatory guidelines for specific groups — developers, IT administrators, call centre staff and other critical profiles — to reinforce goo…
FULL-GROUP FULL-GROUP 62% ruguay and the rest of the countries in which Digital Consumer Bank operates. Business conduct (governance information) Corporate governance Corporate governance Banco Santander, S.A. Communications …
GCC-FULL-GROUP GCC-FULL-GROUP 62% ruguay and the rest of the countries in which Digital Consumer Bank operates. Business conduct (governance information) Corporate governance Corporate governance Banco Santander, S.A. Communications …
HEADCOUNT-FULL-GROUP HEADCOUNT-FULL-GROUP 62% ng responsibly towards our employees Headcount Full Group scope. Annual report 2025 99 Contents Business model and strateg y l Sustainability statement l Corporate governanc e l Economic and financia…
INCLUDING-GROUP INCLUDING-GROUP 62% . Annual report 2025 74 Contents Business model and strateg y l Sustainability statement l Corporate governanc e l Economic and financial revie w l Risk management and compliance l 3.1.3 Inclusive cu…
INTERNATIONAL-FINANCE-CORPORATION INTERNATIONAL-FINANCE-CORPORATION 62% ronment and Development, the United Nations Convention against Corruption, the Equator Principles, and the standards for social and environmental performance and the explanatory notes of the Internat…
MAIN-GROUP MAIN-GROUP 62% ruguay and the rest of the countries in which Digital Consumer Bank operates. Business conduct (governance information) Corporate governance Corporate governance Banco Santander, S.A. Communications …
OTHER-GROUP OTHER-GROUP 62% as well as compliance with the SRI policy and monitoring and control of all activities to embed SRI in SAM. SAM publishes its policies on its official website, as well as on the Intranet, and are ava…
REMUNERATION-FULL-GROUP REMUNERATION-FULL-GROUP 62% ncial revie w l Risk management and compliance l Remuneration Full Group scope. Training Full Group scope. Employee engagement survey Full Group scope. Communities sustainable development SRI AuMs We…
SANTANDER-GROUP SANTANDER-GROUP 62% añol, S.A. in an auction in connection with a resolution plan adopted by the European Single Resolution Board (the European banking resolution authority) and executed by the FROB (the Spanish banking…
SANTANDER-GROUP-THE-GROUP SANTANDER-GROUP-THE-GROUP 62% . Policies and guidance The Group has different frameworks and policies that establish the principles, processes and responsibilities for managing ESG criteria throughout Santander Group. The Group e…
SCF-GROUP SCF-GROUP 62% fer a viable alternative to combustion vehicles. Though the initial cost remains a barrier, public incentives and tailored financing programmes are enabling customers to adopt cleaner mobility option…
TRAINING-FULL-GROUP TRAINING-FULL-GROUP 62% ncial revie w l Risk management and compliance l Remuneration Full Group scope. Training Full Group scope. Employee engagement survey Full Group scope. Communities sustainable development SRI AuMs We…

Banco Santander, S.A. Debt Obligations

InstrumentDescriptionConfidenceEvidence
SAN-DEBT Debt stack $456.5B 90% Market cache reports total debt of $456.5B.

Banco Santander, S.A. Acquisitions

Acquired EntityNameConfidenceEvidence
SAN-ACQ-0000950103-26-006075 Banco Santander announced the issuance of up to 334,809,216 new ordinary shares in connection wi... 85% Banco Santander announced the issuance of up to 334,809,216 new ordinary shares in connection with its acquisition of Webster Financial Corporation.

Banco Santander, S.A. Ownership

HolderNameConfidenceEvidence
SAN-OWNER-CITADEL-ADVISORS-LLC CITADEL ADVISORS LLC 90% 13F overlay lists CITADEL ADVISORS LLC as top holder; 90 tracked holders.

Banco Santander, S.A. Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
ARMK Aramark 100.00 2
CCEP Coca-Cola Europacific Partners PLC 100.00 1 ['supplier']
BBAR Banco BBVA Argentina S.A. 100.00 2
ARM Arm Holdings plc 100.00 2
BSAC Banco Santander-Chile 100.00 2 ['supplier']
BRBS Blue Ridge Bankshares, Inc. 100.00 2
VRNO Verano Holdings Corp. 100.00 2
GEMI Gemini Space Station, Inc. 100.00 2
ENLT Enlight Renewable Energy Ltd 100.00 2
FNWB First Northwest Bancorp 100.00 2
BMA Banco Macro S.A. 100.00 2
CHYM Chime Financial, Inc. 100.00 2
CNF CNFinance Holdings Limited 100.00 2
AVAL Grupo Aval Acciones y Valores S.A. 100.00 2
BSBR Banco Santander (Brasil) S.A. 100.00 1 ['supplier']
BTTC Black Titan Corporation 100.00 2
CRARF Crédit Agricole S.A. 100.00 2
BRBI BRBI BR Partners S.A. 100.00 2
BLX Banco Latinoamericano de Comercio Exterior, S. A. 100.00 2
DTIL Precision BioSciences, Inc. 100.00 2
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SAN
Unlock SAN Supply Chain Data
Verified relationships include:
WBSWebster Financial CorporationSupplier90%
BSACBanco Santander-ChileSupplier72%
WBSWebster Financial CorporationCustomer92%
AEGAegon Ltd.Customer90%
+36 more relationships locked
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