AT&T · Corporate hierarchy

AT&T subsidiaries: 8,989 companies owned in 2026

Gain a deeper understanding of how AT&T is organized around the world. Founded in 1983, AT&T operates a network of 8,989 subsidiaries across 48 countries, with 8,680 in the United States (96.6%), 205 in Mexico (2.3%), and 24 in India (0.3%). Together these three countries account for 99.1% of the companies owned by AT&T.

LIVE DATA STREAM • 2026 Audit

AT&T

Company Hierarchy

Total Subsidiaries8,989
Countries48
Total Revenue (est)
Founded1983
CompanyLocationFoundedEmployeesRevenue (USD)Legal TypeCEOWebsiteCategory CodeCategory Description# in GroupLocal HQ NameLocal HQ CityLocal HQ CountryNational HQ NameNational HQ CityGlobal HQ NameGlobal HQ CityGlobal HQ Country
Enterprise

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Explore AT&T's Global Corporate Structure

AT&T’s corporate network is part of one of the largest ownership structures tracked within our company ownership database. It shows how AT&T is organized globally, revealing parent companies and subsidiaries with verified data across 75 countries and jurisdictions. Discover how our data can help you understand AT&T’s worldwide presence — request a free sample today.

AT&T Company Facts

01

Where is AT&T headquartered?

In Dallas, United States.

02

How many subsidiaries does AT&T have?

About 8,989 across 48 countries.
03

Who owns AT&T?

AT&T Inc. is a publicly traded company with diverse shareholders.

04

Is AT&T a US company?

Yes. AT&T is incorporated in the United States.

05

How many people work for AT&T?

AT&T employs over 200,000 people worldwide.

Corporate family tree

Understanding AT&T's Global Ownership Structure

Knowing who owns which part of a company helps show how it functions and connects worldwide. Our corporate hierarchy data lets you follow the links between the parent company, its many subsidiaries, and shareholders, revealing control, structure, and risks within large corporate groups. Whether you’re analyzing AT&T or another global company, these insights support compliance checks, market research, and better CRM data management. With verified ownership records covering more than 380 million companies worldwide, CompanyData.com provides a clear picture of company ownership across regions and industries.

How We Outline AT&T’s Global, National, and Regional Headquarters

At CompanyData.com, the corporate structure of a company like AT&T is represented using a three-level model: Global, National, and Local headquarters. This framework shows how each entity is part of the larger corporate family.

The three levels explained

  • Global Headquarter — AT&T Inc., headquartered in Dallas, United States, acts as the global headquarter for its entire group, sitting at the top of the hierarchy.
  • National Headquarters — These manage operations within a country and report directly to the global headquarter. Examples include AT&T Canada, AT&T Mexico, and AT&T United Kingdom.
  • Local Headquarters — Local level subsidiaries manage divisions or business areas within regions or cities, ensuring regulatory compliance and operational oversight.

Each company entity carries a unique ID, enabling detailed connections between subsidiaries and parent companies, letting users trace control and ownership paths seamlessly.

How control relationships work

Ownership control is identified when a parent company holds more than fifty percent of a subsidiary’s shares. Our data emphasizes such majority-controlled subsidiaries to give a clear picture of the corporate hierarchy. This method reveals AT&T’s complex ownership network and can be applied to any large multinational corporation.

Why this view is essential

This ownership model helps spot who the real decision-makers are at AT&T, streamlines compliance verifications, and aids mergers & acquisitions or risk assessments. By mapping entities with validated ownership details, CompanyData.com empowers users worldwide to navigate AT&T’s corporate family with ease. Our platform links over 41 million companies across 200 countries, providing clarity on global corporate structures.

 

How We Outline AT&T’s Global, National, and Regional Headquarters

Who This Solution Is For

CompanyData.com supports global organizations that need verified insights into corporate ownership structures, from CRM enrichment and compliance workflows to market intelligence and analytics. We provide free evaluation samples; larger data samples (for example, up to 1,000 companies) are available to qualified corporate buyers with a defined use case and an active company website. If your primary need is contact or lead lists, please visit our Company Data Platform instead.

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AT&T ownership & subsidiary data – FAQs

AT&T Inc. is a multinational telecommunications company headquartered in the United States. It is one of the largest telecom companies worldwide, offering a range of services that include wireless communications, broadband, pay-TV, and business solutions. With total reported revenue of $400.38 billion, AT&T maintains a substantial presence across many countries.

Main Business Areas of AT&T:

AT&T operates through several core divisions:

  1. Communications: This segment includes wireless and wireline phone services, broadband internet, and pay-TV. AT&T serves millions of customers mainly in the US but also in international markets.
  2. WarnerMedia (now part of Warner Bros. Discovery): Historically, this segment covered media and entertainment assets, including cable networks, films, and streaming services. Although AT&T has reduced ownership, these types of subsidiaries once formed a key part of their global footprint.
  3. Business Solutions: Provides services to corporations such as network security, cloud solutions, and IoT technologies.
  4. Strategic Investments: Includes stakes in tech companies, international ventures, and recent expansions in digital communications and media platforms.

AT&T’s Global Presence:

AT&T owns subsidiaries and operates in various countries, with significant activity in the United States (/usa-company-data/), Mexico (/mexico-company-data/), Canada (/canada-company-data/), and parts of Latin America such as Argentina (/argentina-company-data/) and Venezuela. The company also maintains investments and partnerships in Europe and Asia, with subsidiaries located in countries like the United Kingdom (/uk-company-data/), France (/france-company-data/), India (/india-company-data/), and China (/china-company-data/).

For a broader view of their footprint in Europe, visit /company-data-europe/ and for Asia /asia-company-data/.

Financial Overview:

With a reported revenue of $400.38 billion, AT&T remains a key force in the telecommunications and media sectors. Its diversified business model provides stability and allows for growth in both consumer and enterprise markets.

Commitment to Innovation and Technology:

AT&T invests heavily in 5G networks, fiber optic expansion, and digital services. This focus supports the company’s aim to stay competitive in fast-changing communications and technology industries.

Challenges and Outlook:

Like other telecom giants, AT&T faces challenges from evolving market demands, regulatory environments, and competition from emerging digital platforms. However, its broad international presence and diversified assets support ongoing growth and development.

Conclusion:

AT&T is a global leader in telecommunications with extensive subsidiaries and operations worldwide. Its revenue of $400.38 billion reflects its importance in the industry. For up-to-date company details and data on AT&T’s subsidiaries, visit the related country-specific pages or contact us for a custom dataset.

You can access AT&T company data via API, bulk files, or the Bold Platform. We create custom datasets based on your selected countries, industries, and company profiles. After sharing your criteria, our experts prepare a tailored dataset and provide a free quote with record counts and sample data within 24 hours. Once approved, your data is delivered quickly in your preferred format — Excel, API, bulk file, or directly in the Bold Platform.

CompanyData.com offers global company data across all organizations and industries. Provide your requirements, and our experts will prepare a custom dataset tailored to your goals. Receive a free quote, record count, and sample data within 24 hours. Approval leads to fast delivery via Excel, API, bulk file, or the Bold Platform.

Pricing for our AT&T company data depends on the data details and delivery method you select. Whether you want a limited list of subsidiaries or a full dataset via API or bulk files, we offer flexible pricing. Request a free quote and record count within 24 hours. We also provide a free sample of 10 company contacts. You only pay for the verified global data you need.

CompanyData.com offers secure and flexible payment options including credit cards, bank transfer, and PayPal. Invoices are provided for all transactions. For large or ongoing access, we support subscription billing and custom invoicing. If you need special arrangements, contact our sales team for assistance.

CompanyData.com provides detailed, verified data on AT&T Inc. and all its subsidiaries, updated daily. This includes company names, registration details, locations, industry sectors, financial figures, and key contacts. Download the data via the Bold Platform, API, or bulk file delivery. Our database offers full worldwide company coverage for complete and accurate insights.

Our data is sourced from verified global business records, including official registries, financial filings, LEI databases, trusted partners, and verified company websites. All information is cross-checked and validated by experts to ensure accuracy, currency, and GDPR compliance.

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Tell us your target group, and we’ll send you a free quote and a tailored company ownership dataset — sample included. Call +31 20 705 236 or email sales@companydata.com. Ready to order? Simply reply to the quote, and CompanyData.com delivers your dataset in CSV or Excel within 24 hours.

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