Atos Syntel Headquarters & Corporate Office

About Atos Syntel

Atos Syntel traces its history to Syntel, Inc., an information technology and outsourcing company founded in 1980 by Bharat Desai and Neerja Sethi. Syntel grew from a small Michigan-based technology consulting operation into a multinational provider of application development, digital transformation, testing, infrastructure, business-process, and technology services. It became particularly well known for serving banking, financial services, insurance, healthcare, manufacturing, logistics, retail, and other large enterprise clients through delivery centers in the United States, India, and other international markets.

Atos acquired Syntel in October 2018 in a transaction valued at approximately $3.4 billion. Following the acquisition, Syntel became part of the French technology group Atos and its capabilities were increasingly integrated into Atos’ global services organization. The Atos Syntel name was used extensively during the integration period, particularly for application services, digital transformation, financial-services expertise, automation, cloud, and enterprise technology. Current Atos strategy now operates primarily under two global brands: Atos for services and Eviden for products and systems. Syntel therefore should no longer be described as an independent public technology company with its own standalone corporate headquarters.

Current 2026 Atos legal documentation continues to list Atos Syntel Inc., Syntel LLC, and Syntel SPC Inc. as U.S. legal entities registered at 525 East Big Beaver Road, Suite 300 in Troy, Michigan. However, Atos’ current official worldwide locations identify 4851 Regent Boulevard, Suite 400 in Irving, Texas as the North America headquarters, while the global headquarters is in Bezons, France. Atos Group completed a major financial restructuring in 2024 and is currently executing its Genesis transformation strategy under Chairman and CEO Philippe Salle, with a stronger focus on AI, cloud, data, secure digital services, cybersecurity, and strategic core markets.

Atos Syntel Headquarters & Corporate Office Address

Current Headquarters

Atos North America Headquarters
4851 Regent Boulevard, Suite 400
Irving, TX 75063
United States

Atos’ current official worldwide locations page identifies this Irving office as its North America headquarters. Atos Syntel now operates within the broader Atos organization rather than maintaining a separate standalone corporate headquarters.

Corporate Office

Atos Syntel Inc.
525 East Big Beaver Road, Suite 300
Troy, MI 48083
United States

Current May 2026 Atos Group legal-entity documentation continues to identify this address as the registered office of Atos Syntel Inc. in the United States.

Mailing Address

Atos Syntel Inc.
525 East Big Beaver Road, Suite 300
Troy, MI 48083
United States

Formal correspondence specifically involving the Atos Syntel legal entity can use the Troy registered address where applicable.

Other Important Address

Atos SE
River Ouest
80 Quai Voltaire
95870 Bezons
France

This is Atos Group’s current global headquarters.

Former / Historical Headquarters

Troy, Michigan has a long connection with Syntel’s U.S. corporate history. Older pages may refer to Syntel or Atos Syntel as being independently headquartered in Michigan. The better current description is that the Troy address remains a registered legal-entity office while Atos North America headquarters is in Irving, Texas.

Quick Information

Corporate Phone Number

682-342-7450

This is the current verified telephone number for Atos’ North America headquarters in Irving, Texas.

Customer Service Number

Public verified universal Customer Service number not available.

Atos is primarily an enterprise technology provider, so customers generally communicate through assigned account teams, service desks, contractual support numbers, and specialized support channels.

Corporate Office Address

Atos Syntel Inc., 525 East Big Beaver Road, Suite 300, Troy, MI 48083, United States.

Headquarters Address

Atos North America Headquarters, 4851 Regent Boulevard, Suite 400, Irving, TX 75063, United States.

Email

info@atos.net

Atos publishes this email for general company inquiries and fraud-awareness reporting. Privacy matters in North America can use dpo.nao@atos.net.

Industry

Information technology, digital transformation, cloud services, cybersecurity, application development, data and AI, infrastructure, and consulting.

Founded

Syntel was founded in 1980. Atos acquired Syntel in 2018.

Number of Employees

Atos Group currently reports approximately 54,000 employees worldwide, with more than 52,000 working within the Atos services organization.

Global Operations

Atos Group operates in approximately 54 countries and serves more than 4,500 clients.

Ownership

Atos Syntel is part of Atos Group. Atos SE is publicly listed on Euronext Paris.

Website

https://atos.net/

Investor Relations / Careers Page

Investor Relations: https://atos.net/en/investors

Careers: https://atos.net/en/careers

Atos Syntel Products & Services

Application Development

Atos provides application development and modernization services that help enterprises replace, update, integrate, and improve critical business applications.

Application Management

Managed application services support ongoing maintenance, monitoring, upgrades, incident resolution, and operational management of enterprise software.

Cloud Services

Atos helps organizations migrate workloads to cloud platforms, modernize infrastructure, manage hybrid environments, and improve cloud operating models.

Data and Artificial Intelligence

Atos provides data engineering, analytics, generative AI, automation, AI strategy, and enterprise data transformation services.

Digital Workplace

The company delivers workplace technology, endpoint management, collaboration tools, employee-support platforms, and secure digital workplace services.

Cybersecurity Services

Atos provides threat detection, cybersecurity consulting, managed security services, identity protection, incident response, and other security capabilities.

Financial Services Technology

Syntel historically had particularly strong expertise serving banking, financial-services, and insurance clients. Those capabilities continue within Atos’ broader digital-services organization.

Quality Engineering and Testing

Atos provides software testing, quality engineering, automation, performance testing, and application validation for enterprise technology environments.

Infrastructure Management

Services include data-center operations, cloud-enabled infrastructure, network services, compute environments, and managed technology platforms.

Digital Transformation Consulting

Atos advises clients on technology strategy, business transformation, operating-model modernization, AI adoption, and digital investment priorities.

Enterprise Platforms

The company supports major enterprise software environments, including ERP, CRM, ServiceNow, and other large-scale business platforms.

Cyber Incident Response

Atos provides specialized digital-forensics and incident-response services for organizations experiencing cybersecurity incidents or data breaches.

Atos Syntel Corporate Phone Numbers

Corporate Phone Number

682-342-7450

This is the current main number for Atos’ North America headquarters in Irving, Texas.

Corporate Headquarters Number

682-342-7450

Atos’ official worldwide locations information lists this number with the North America headquarters.

Headquarters Number

682-342-7450

U.S. corporate and business callers can use this number when they do not have an assigned Atos account or service contact.

Corporate Office Number

Public verified separate Troy office number not prominently available.

The Troy address remains a registered office for Atos Syntel entities, but current Atos materials do not prominently publish a dedicated standalone Atos Syntel switchboard.

Customer Service Number

Public verified universal number not available.

Enterprise customers should use contractual service desk numbers, assigned account teams, or the support contacts provided in their Atos agreement.

Customer Support Number

Varies by client and service agreement.

Atos support is generally organized around individual enterprise contracts rather than a public retail support number.

Cyber Breach Response Number

1-866-246-2848

Atos publishes this North America number for round-the-clock digital forensics and cyber incident response.

Global Headquarters Number

+33 1 73 26 00 00

This is the current telephone number for Atos Group’s global headquarters in Bezons, France.

North America Headquarters Number

682-342-7450

This is the verified current North America corporate contact in Irving, Texas.

Sales Number

Public verified universal dedicated number not available.

Prospective clients should use the Atos contact system or regional business-development teams.

Media / Press Number

+33 6 64 56 74 88

Atos currently publishes this contact with recent corporate communications for press inquiries.

Investor Relations Number

Public contact varies by current Atos Investor Relations representative.

Shareholders should use Atos Group’s Investor Relations portal and current published contacts rather than legacy Syntel contacts.

How to Reach a Real Person at Atos Syntel

Existing enterprise customers should begin with their assigned Atos account manager, service delivery manager, support desk, or project leader. Atos provides technology services under contractual arrangements, so those contacts normally have access to the client’s environment, service-level agreement, incident history, project scope, and escalation procedures.

For a general U.S. corporate matter, call the Atos North America headquarters at 682-342-7450. Before calling, have the client organization, project or contract name, service involved, account contact, ticket number, and previous communications available.

For a cyber incident requiring urgent specialist support, Atos publishes 1-866-246-2848 for North America. Privacy inquiries involving U.S. Atos Syntel entities can use dpo.nao@atos.net. Formal matters specific to Atos Syntel Inc. can also reference the registered Troy, Michigan address.

How to File a Complaint Against Atos Syntel

Complaints may involve technology services, project delivery, cybersecurity, application support, billing, contracts, privacy, employment, or business conduct. Before escalating, gather the contract, service-level agreement, ticket numbers, invoices, project records, and previous communications.

Step 1: Contact Customer Service

Begin with the assigned Atos service desk, project team, account manager, or delivery manager. Enterprise complaints should be recorded within the existing support or governance process.

Step 2: Contact the Relevant Department

Application issues should go to the relevant service team, cybersecurity incidents to security specialists, billing matters to the commercial or finance contact, and privacy issues to the Data Protection Officer.

Step 3: Request Supervisor or Management Review

If the initial team cannot resolve the problem, request escalation to the service delivery manager, account executive, regional leader, or other responsible management representative.

Step 4: Use the Company’s Written Complaint Channel

Document the issue through the client governance process, service-management platform, or Atos corporate contact route. Include the contract, incident, and remedy requested.

Step 5: Contact Corporate Headquarters

Serious U.S. matters can be escalated to Atos North America, 4851 Regent Boulevard, Suite 400, Irving, TX 75063. Formal Atos Syntel legal correspondence can use the Troy registered office.

Step 6: Use the Specialized Complaint or Dispute Department

Privacy, cybersecurity, employment, compliance, contractual, fraud, and intellectual-property matters may require legal, security, HR, compliance, or DPO review.

Step 7: File With the Appropriate Regulator

Data privacy, cybersecurity, employment, financial-services technology, and government-contract complaints may involve different federal or state regulators depending on the service and industry involved.

Step 8: Use Consumer Protection or Financial Dispute Options

Atos primarily provides enterprise technology services, so most disputes are governed by commercial contracts rather than consumer law. Clients should review contractual escalation and dispute provisions carefully.

Step 9: Consider Formal Legal or Arbitration Procedures

For major service failures, cybersecurity losses, contractual disputes, intellectual-property claims, or substantial financial damages, preserve technical logs, service tickets, contracts, correspondence, and incident reports. Review the applicable agreement and obtain qualified commercial or technology legal advice where appropriate.