3Suppliers
30Customers
1Debt Items
20Related Chains

Source-Backed Evidence Depth

Telefónica, S.A. (TEFOF) 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.

35Total relationships
1Distinct source URLs
2High confidence
0.662Average 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.

Telefónica, S.A. Suppliers

TickerNameConfidenceEvidence
LILA Liberty Latin America Ltd. 72% Reciprocal relationship from LILA graph: Reciprocal relationship from TEFOF graph: Reciprocal relationship from LILA graph: MPR and (c) Liberty USVI. The Senior Secured Covenant Group does not includ…
TEO Telecom Argentina S.A. 72% Reciprocal relationship from TEO graph: Reciprocal relationship from TEFOF graph: Reciprocal relationship from TEO graph: rmerly Centurylink, Level 3 Communication, and Global Crossing), IPlan, Telec…
VIV Telefônica Brasil S.A. 72% Reciprocal relationship from VIV graph: ancial Income Other income with foreign exchange and monetary variation (judicial deposits, taxes and others) 226,241 227,961 531,227 Interest income 932,481 6…

Telefónica, S.A. Customers

TickerNameConfidenceEvidence
SOR Source Capital 72% Reciprocal relationship from SOR graph: Reciprocal relationship from TEFOF graph: nd infrastructure operation regarding the IT transformation service. The agreements each have a duration of 7 years a…
SOR Source Capital 72% nd infrastructure operation regarding the IT transformation service. The agreements each have a duration of 7 years and will be automatically extended up to a maximum of 2 additional years, absent pr…
TEO Telecom Argentina S.A. 72% Reciprocal relationship from TEO graph: Reciprocal relationship from TEFOF graph: Reciprocal relationship from TEO graph: Reciprocal relationship from TEFOF graph: Reciprocal relationship from TEO gr…
TEO Telecom Argentina S.A. 72% astructure operation regarding the IT transformation service. The agreements each have a duration of seven years and will be automatically extended up to a maximum of two additional years, absent pri…
VIV Telefônica Brasil S.A. 72% nd infrastructure operation regarding the IT transformation service. The agreements each have a duration of 7 years and will be automatically extended up to a maximum of 2 additional years, absent pr…
VIV Telefônica Brasil S.A. 72% Reciprocal relationship from VIV graph: Reciprocal relationship from TEFOF graph: nd infrastructure operation regarding the IT transformation service. The agreements each have a duration of 7 years a…
ACTUAL-GROUP ACTUAL-GROUP 62% ociated with such contract are recognized, unless the expected amortization period is one year or less, in which case they are expensed as incurred. For the purposes of allocating to profit or loss t…
BE-TERNA-GROUP BE-TERNA-GROUP 62% nancial Statements—Legal Proceedings—ICSID Arbitration Telefónica, S.A. vs. Republic of Colombia”. Revenues in 2024 totaled 41,315 million euros, up 1.6% year-on-year compared to 2023, due mainly to …
BT-GROUP BT-GROUP 62% installation and the continuous optimization of energy expenditure, personalized financing for each type of consumer and other value-added services linked to the solar panel installation. • Phoenix: …
CORNERSTONE-TELECOMMUNICATIONS-INFRASTRUCTURE-LI CORNERSTONE-TELECOMMUNICATIONS-INFRASTRUCTURE-LI 62% urviving company Telefónica Brazil Garliava RJ Infraestrutura e Redes de Telecomunicacoes S.A. Wireline telephony operator Brazil 02/28/2023 Telefônica Brasil, S.A. Vita IT Comércio e Serviços de Sol…
FINALLY-VMED-O2-UK-LIMITED FINALLY-VMED-O2-UK-LIMITED 62% . Such Wholesale Agreement establishes a gradual migration of Telefónica México’s traffic to AT&T Mexico's access network over the first three years of the agreement. As set forth in the Wholesale Ag…
GERMANY-GMBH GERMANY-GMBH 62% astructure operation regarding the IT transformation service. The agreements each have a duration of seven years and will be automatically extended up to a maximum of two additional years, absent pri…
HONG-KONG-LIMITED HONG-KONG-LIMITED 62% arrangements: loans and capital contributions (lender) 441 696 Guarantees 118 239 The heading "Finance arrangements: loans and capital contributions (lender)" for 2023 mainly included a deposit set u…
INCREMENTAL-GROUP INCREMENTAL-GROUP 62% 22, Telefónica Tech UK & Ireland, Ltd completed the acquisition of 100 % of the shares of the British group Perpetual TopCo, Limited and affiliates (Incremental Group), one of Microsoft's fastest-gro…
INFRA-GERMANY-GMBH INFRA-GERMANY-GMBH 62% production activities Spain EUR — 50 % Buendía Estudios, S.L. Buendía Estudios Dos, S.L.U. Service provision related to film and video production activities Spain EUR — 50 % Buendía Estudios, S.L. Bu…
LATAM-AIRLINES-GROUP LATAM-AIRLINES-GROUP 62% nd refinancing of national and international corporate groups, has advised Family Offices in the development of their activities, has participated in IPOs and takeover bids, and has extensive practic…
LTM LATAM Airlines Group S.A. 62% Reciprocal relationship from LTM graph: Reciprocal relationship from TEFOF graph: Reciprocal relationship from LTM graph: Reciprocal relationship from TEFOF graph: Reciprocal relationship from LTM gr…
MOBILE-TELECOMMUNICATION-COMPANY MOBILE-TELECOMMUNICATION-COMPANY 62% sons or entities involved in terrorism or the proliferation of weapons of mass destruction during the period covered by the annual or quarterly report. Disclosure is required even when the activities…
MOBILFUNK-GMBH MOBILFUNK-GMBH 62% rs, suppliers and partners. Since 2021 a specific monitoring has been carried out and action plans have been developed by the Group with respect to the supply chain challenges resulting from the arme…
O2-UK-LIMITED O2-UK-LIMITED 62% O2 UK Limited and its group would also provide certain services to specific companies belonging to the corporate group of each of its shareholders. Pursuant to the terms of the above referred service…
OI-GROUP OI-GROUP 62% idated financial statements as of and for the year ended December 31, 2023 was the closing exchange rate as of December 31, 2023 which was 893.45 Argentine pesos per euro (189.08 Argentine pesos per …
TELECOMMUNICATION-KISH-CO TELECOMMUNICATION-KISH-CO 62% sons or entities involved in terrorism or the proliferation of weapons of mass destruction during the period covered by the annual or quarterly report. Disclosure is required even when the activities…
TELEFONICA-O2-HOLDINGS-LIMITED TELEFONICA-O2-HOLDINGS-LIMITED 62% . Such Wholesale Agreement establishes a gradual migration of Telefónica México’s traffic to AT&T Mexico's access network over the first three years of the agreement. As set forth in the Wholesale Ag…
UK-LTD UK-LTD 62% 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…
UNITED-KINGDOM-VMED-O2-UK-LIMITED UNITED-KINGDOM-VMED-O2-UK-LIMITED 62% the entry of new competitors, market concentration via mergers or changes in control at key competitors in the markets where we operate, as well as the impact of any failure to comply with any antitr…
VALORES-S-A VALORES-S-A 62% f Contents introduce changes in terms of the minimum content of the foreign investment control mechanisms that all EU Member States should establish — now on a mandatory basis — and in relation to th…
VMED-O2-NETWORKS-LIMITED VMED-O2-NETWORKS-LIMITED 62% the current contract. UEFA awarded Telefónica on August 1, 2023, with exclusive media rights in Spain of UEFA Competitions for residential subscribers during seasons 2024/2025, 2025/2026 and 2026/202…
VMED-O2-UK-LIMITED VMED-O2-UK-LIMITED 62% l television signal to analogue for viewing on a conventional set, or that enables cable or satellite television to be viewed. "Tbps" means terabytes per second. "Tracker" is a special server which c…
VOD Vodafone Group Public Limited Company 62% Reciprocal relationship from VOD graph: Reciprocal relationship from TEFOF graph: areas not yet covered by the new 1&1 mobile network and in particular includes access to the 5G network of Vodafone G…
VODAFONE-GROUP VODAFONE-GROUP 62% areas not yet covered by the new 1&1 mobile network and in particular includes access to the 5G network of Vodafone Group, including mobile communication standards 2G and 4G and future mobile communi…

Telefónica, S.A. Debt Obligations

InstrumentDescriptionConfidenceEvidence
TEFOF-DEBT Debt stack $48.8B 90% Market cache reports total debt of $48.8B.

Telefónica, S.A. Acquisitions

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

Telefónica, S.A. Ownership

HolderNameConfidenceEvidence
TEFOF-OWNER-GENERALI-INVESTMENTS-CEE-INVESTI Generali Investments CEE, investicni spolecnost, a.s. 90% 13F overlay lists Generali Investments CEE, investicni spolecnost, a.s. as top holder; 1 tracked holders.

Telefónica, S.A. Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
WRD WeRide Inc. 100.00 2
SPPP Sprott Physical Platinum & Palladium Tr 100.00 2
TEO Telecom Argentina S.A. 100.00 1 ['customer', 'supplier']
WELL Welltower Inc. 100.00 2
MTLS Materialise NV 100.00 2
BMA Banco Macro S.A. 100.00 2
TIMB TIM S.A. 100.00 2
SAN Banco Santander, S.A. 100.00 2
LTM LATAM Airlines Group S.A. 100.00 1 ['customer']
VOD Vodafone Group Public Limited Company 100.00 1 ['customer']
BBAR Banco BBVA Argentina S.A. 100.00 2
LILA Liberty Latin America Ltd. 100.00 1 ['supplier']
BCH Banco de Chile 50.00 2
DTEGF Deutsche Telekom AG 50.00 2
DAL Delta Air Lines, Inc. 50.00 2
CELU Celularity Inc. 50.00 2
SCMWY Swisscom AG 50.00 2
BNS The Bank of Nova Scotia 50.00 2
AKO-A Embotelladora Andina S.A. 50.00 2
AMX América Móvil, S.A.B. de C.V. 50.00 2
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TEFOF
Unlock TEFOF Supply Chain Data
Verified relationships include:
LILALiberty Latin America Ltd.Supplier72%
TEOTelecom Argentina S.A.Supplier72%
SORSource CapitalCustomer72%
SORSource CapitalCustomer72%
+31 more relationships locked
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