6Suppliers
8Customers
0Debt Items
20Related Chains

Source-Backed Evidence Depth

TELEFONICA S A (TELFY) 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.

14Total relationships
1Distinct source URLs
0High confidence
0.720Average confidence
2026-09-27Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

TELEFONICA S A Suppliers

TickerNameConfidenceEvidence
ORANY ORANY 72% he 3500 MHz band in the secondary spectrum market after the approval of Orange and MásMóvil merger process. Approval of the transfer by the Secretary of State for Telecommunications will be effective…
ORANY ORANY 72% Reciprocal relationship from ORANY graph: Reciprocal relationship from TELFY graph: he 3500 MHz band in the secondary spectrum market after the approval of Orange and MásMóvil merger process. Approva…
TEFOF Telefónica, S.A. 72% t) and services, as well as payments for football broadcast rights. For a more detailed description see Note 26 to our Consolidated Financial Statements. (4) “Other liabilities” include: (a) long-ter…
TEFOF Telefónica, S.A. 72% Reciprocal relationship from TEFOF graph: Reciprocal relationship from TELFY graph: t) and services, as well as payments for football broadcast rights. For a more detailed description see Note 26 to …
VIV Telefônica Brasil S.A. 72% rded the following revenues related to these roaming agreements: (i) no revenues from MCI and (ii) 7,467 euros from Irancell. 3. Telefónica UK Ltd (“TUK”), our former English directly wholly-owned su…
VIV Telefônica Brasil S.A. 72% Reciprocal relationship from VIV graph: Reciprocal relationship from TELFY graph: Reciprocal relationship from VIV graph: Reciprocal relationship from TELFY graph: rded the following revenues related…

TELEFONICA S A Customers

TickerNameConfidenceEvidence
AMT American Tower Corporation 72% Reciprocal relationship from AMT graph: Reciprocal relationship from TELFY graph: l of million euros at December 31, 2024 ( bonds for a nominal amount of million euros at December 31, 2023). The vast…
AMT American Tower Corporation 72% l of million euros at December 31, 2024 ( bonds for a nominal amount of million euros at December 31, 2023). The vast majority of deposits and guarantees recognized at amortized cost (Note 16), are c…
ORANY ORANY 72% Reciprocal relationship from ORANY graph: Reciprocal relationship from TELFY graph: . T elefónica believes telecom spending will be resilient to price increases as digitalization and digital communic…
ORANY ORANY 72% . T elefónica believes telecom spending will be resilient to price increases as digitalization and digital communications remain important for Telefónica's customers. Notwithstanding this, some of th…
TEFOF Telefónica, S.A. 72% Reciprocal relationship from TEFOF graph: Reciprocal relationship from TELFY graph: Reciprocal relationship from TEFOF graph: Reciprocal relationship from TELFY graph: nagement policy is to bring the…
TEFOF Telefónica, S.A. 72% nagement policy is to bring the Company's financing costs in line with the budget for financial expenses for the current year, as well as the current strategic plan. In accordance with this objective…
VIV Telefônica Brasil S.A. 72% rded the following revenues related to these roaming agreements: (i) no revenues from MCI and (ii) 7,467 euros from Irancell. 3. Telefónica UK Ltd (“TUK”), our former English directly wholly-owned su…
VIV Telefônica Brasil S.A. 72% Reciprocal relationship from VIV graph: Reciprocal relationship from TELFY graph: rded the following revenues related to these roaming agreements: (i) no revenues from MCI and (ii) 7,467 euros from I…

TELEFONICA S A Debt Obligations

No debt relationships on recordNo publicly disclosed debt instruments or credit facilities found for TELEFONICA S A.

TELEFONICA S A Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for TELEFONICA S A.

TELEFONICA S A Ownership

No ownership data on recordNo major institutional ownership relationships found in our database for TELEFONICA S A.

TELEFONICA S A Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
TEFOF Telefónica, S.A. 100.00 1 ['customer', 'supplier']
VIV Telefônica Brasil S.A. 100.00 1 ['customer', 'supplier']
ORANY ORANGE 100.00 1 ['customer', 'supplier']
AMT American Tower Corporation 100.00 1 ['customer']
BFRIW Biofrontera Inc. 50.00 2
AMZE Amaze Holdings, Inc. 50.00 2
BLTE Belite Bio, Inc 50.00 2
CYCN Cyclerion Therapeutics, Inc. 50.00 2
BFRGW BullFrog AI Holdings, Inc. 50.00 2
AYTU Aytu BioPharma, Inc. 50.00 2
D Dominion Energy, Inc. 50.00 2
EPDU ENTERPRISE PRODUCTS PARTNERS L.P. 50.00 2
CINGW Cingulate Inc. 50.00 2
DARE Daré Bioscience, Inc. 50.00 2
DFTX Definium Therapeutics, Inc. 50.00 2
CANF Can-Fite BioPharma Ltd. 50.00 2
CHUC Charlie's Holdings, Inc. 50.00 2
CLNE Clean Energy Fuels Corp. 50.00 2
FENC Fennec Pharmaceuticals Inc. 50.00 2
CPRX Catalyst Pharmaceuticals, Inc. 50.00 2
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TELFY
Unlock TELFY Supply Chain Data
Verified relationships include:
ORANYORANYSupplier72%
ORANYORANYSupplier72%
AMTAmerican Tower CorporationCustomer72%
AMTAmerican Tower CorporationCustomer72%
+10 more relationships locked
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