Insights

Quantum edge Telefónica O2 Ireland is actively expanding into quantum-safe communications and quantum technologies, presenting opportunities to sell secure network infrastructure, data center interconnectivity, and quantum-ready cybersecurity solutions for enterprises seeking future-proofed connectivity.

IoT leadership The company maintains a recognized leadership position in IoT services, indicating strong demand for scalable device connectivity, industrial IoT solutions, and managed services that can be upsold to manufacturers, logistics providers, and utilities.

AI healthcare Recent AI-based healthcare diagnostics initiatives in Spain via Telefónica Tech suggest opportunities to cross-sell AI-enabled health data analytics, imaging analytics platforms, and secure cloud solutions to healthcare networks and hospitals in Europe.

Smart destinations Partnerships like SEGITTUR integration and smart tourism deployments indicate potential for selling digital tourism ecosystems, smart city platforms, data analytics, and cross-sector digital infrastructure to municipalities and tourism boards.

Digital trust With emphasis on transparency, data security, and privacy (ISO/IEC 27701), there is a market opening for enterprise clients requiring privacy-compliant cloud, data governance, and security consulting services aligned with their regulatory and risk-management needs.

Telefónica Tech Stack

Telefónica uses 8 technology products and services including Microsoft Power Automate, SAP BusinessObjects Business Intelligence suite, InVision, and more. Explore Telefónica's tech stack below.

Media & News

Telefónica's Email Address Formats

Telefónica uses at least 3 format(s):
Telefónica Email FormatsExamplePercentage
First.Last@telefonica.comJohn.Doe@telefonica.com
91%
First.MiddleLast@telefonica.comJohn.MichaelDoe@telefonica.com
7%
First.Middle@telefonica.comJohn.Michael@telefonica.com
2%
LastF@telefonica.com.arDoeJ@telefonica.com.ar
76%
FirstL@telefonica.com.arJohnD@telefonica.com.ar
12%
LastFi@telefonica.com.arDoeJo@telefonica.com.ar
8%
FirstLast@telefonica.com.arJohnDoe@telefonica.com.ar
4%
First.MiddleLast@telefonica.esJohn.MichaelDoe@telefonica.es
84%
First.Last@telefonica.esJohn.Doe@telefonica.es
11%
FLast@telefonica.esJDoe@telefonica.es
3%
First.Middle@telefonica.esJohn.Michael@telefonica.es
2%

Frequently Asked Questions

What is Telefónica's phone number?

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You can contact Telefónica's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Telefónica's stock symbol?

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Telefónica is a publicly traded company; the company's stock symbol is O2D.SG.

What is Telefónica's official website and social media links?

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Telefónica's official website is telefonica.com and has social profiles on LinkedInCrunchbase.

How much revenue does Telefónica generate?

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As of August 2026, Telefónica's annual revenue is estimated to be $10B+.

What is Telefónica's SIC code NAICS code?

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Telefónica's SIC code is 4812 - Radiotelephone Communications NAICS code is 517 - Telecommunications.

How many employees does Telefónica have currently?

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As of August 2026, Telefónica has approximately 122K employees across 6 continents, including EuropeSouth AmericaNorth America. Key team members include Ceo Telefónica Tech & Global B2b At Telefónica: J. C.Ceo Telefónica Global Solutions: J. B. A.Ceo Telefónica Centroamérica: O. R. C.. Explore Telefónica's employee directory with LeadIQ.

What industry does Telefónica belong to?

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Telefónica operates in the Telecommunications industry.

What technology does Telefónica use?

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Telefónica's tech stack includes Microsoft Power AutomateSAP BusinessObjects Business Intelligence suiteInVisionMicrosoft SharePointElastic stack (ELK)Google BigQueryOktaWebex.

What is Telefónica's email format?

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Telefónica's email format typically follows the pattern of First.Last@telefonica.com. Find more Telefónica email formats with LeadIQ.

How much funding has Telefónica raised to date?

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As of August 2026, Telefónica has raised $13B in funding. The last funding round occurred on Mar 19, 2026 for $863M.
Telefónica logo

Telefónica

TelecommunicationsCommunity of Madrid, Spain10001+ Employees

Telefónica is a leading telecommunications company based in Madrid, Spain, with a broad global customer base and extensive network infrastructure. It provides a range of digital and data services designed to meet customer needs and support growth in new lines of business, underpinned by secure and modern technologies.

In the telecommunications sector, the company emphasizes trusted relationships with clients, employees, suppliers, shareholders, and society, and it aims to communicate its strategy and performance clearly. In 2026, it has pursued initiatives such as a collaboration with AXON Networks to improve in-home Wi-Fi visibility, reflecting ongoing efforts to enhance connectivity and user experience.

Section iconCompany Overview

Phone number
SIC Code
4812 - Radiotelephone Communications
Stock Symbol
O2D.SG
NAICS Code
517 - Telecommunications
Employees
10001+

Section iconFunding & Financials

  • $13B

    Telefónica has raised a total of $13B of funding over 7 rounds. Their latest funding round was raised on Mar 19, 2026 in the amount of $863Mas a post_ipo_equity.

  • $10B+

    Telefónica's revenue is estimated to be in the range of $10B+

Section iconFunding & Financials

  • $13B

    Telefónica has raised a total of $13B of funding over 7 rounds. Their latest funding round was raised on Mar 19, 2026 in the amount of $863Mas a post_ipo_equity.

  • $10B+

    Telefónica's revenue is estimated to be in the range of $10B+

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