IBM
International Business Machines Corporation, commonly known as IBM, is a global technology and consulting company headquartered in Armonk, New York. IBM was incorporated in New York on June 16, 1911 as the Computing-Tabulating-Recording Company, or C-T-R, through the consolidation of several earlier technology businesses. In 1924, C-T-R adopted the name International Business Machines Corporation, establishing the corporate identity that remains in use today.
IBM’s current business is centered on hybrid cloud, artificial intelligence, enterprise software, consulting, infrastructure, automation, cybersecurity, data management, Red Hat technologies, mainframe systems, Power servers, storage, and quantum computing. The company increasingly positions its software, consulting, and infrastructure around enterprise AI and hybrid-cloud environments, with the watsonx platform, Red Hat OpenShift, IBM Z, automation software, and consulting capabilities forming important parts of its strategy.
IBM remains a publicly traded company listed under ticker IBM on the New York Stock Exchange and NYSE Texas. Arvind Krishna serves as Chairman, President and Chief Executive Officer. For 2025, IBM reported $67.535 billion in revenue and approximately 264,300 employees at IBM and wholly owned subsidiaries, plus additional workers in less-than-wholly-owned subsidiaries and complementary workforce arrangements.
914-499-1900
IBM lists this as its corporate/directory number at its Armonk headquarters.
1-800-426-4968
Also commonly represented as:
1-800-IBM-4968
IBM publishes this number for general U.S. inquiries.
International Business Machines Corporation
1 New Orchard Road
Armonk, NY 10504-1722
United States
IBM
1 New Orchard Road
Armonk, NY 10504
United States
IBM does not publish one universal unsecured email address for all customer inquiries.
Verified shareholder email:
ibm@computershare.com
General product and customer issues are routed through IBM’s contact and support systems.
Technology, Enterprise Software, Artificial Intelligence, Hybrid Cloud, Consulting, Infrastructure and Quantum Computing
1911
Original incorporated name:
Computing-Tabulating-Recording Co.
Name changed to IBM in 1924.
Approximately:
264,300 employees at IBM and wholly owned subsidiaries
as of December 31, 2025.
IBM also reported 8,700 employees in less-than-wholly-owned subsidiaries and an estimated 13,800 complementary workers.
$67.535 billion.
Arvind Krishna
Chairman, President and Chief Executive Officer.
Investor Relations: https://www.ibm.com/investor
Careers: https://www.ibm.com/careers
IBM watsonx is the company’s enterprise AI and data platform. It provides tools for building AI applications, managing and preparing data, governing AI models, and deploying AI capabilities into business workflows with controls intended for enterprise environments.
watsonx Orchestrate allows businesses to build and manage AI agents for functions such as HR, sales, procurement, IT, and customer service. IBM has expanded the platform with prebuilt agents and integrations designed to help organizations automate multi-step business processes.
IBM develops hybrid-cloud solutions designed to connect applications, data, and workloads across on-premises infrastructure, private clouds, public clouds, and edge environments. Red Hat OpenShift and IBM cloud technologies are central to this strategy.
Red Hat OpenShift is IBM’s major enterprise Kubernetes and application-platform technology, obtained through IBM’s acquisition of Red Hat. It helps organizations build, deploy, modernize, and manage containerized applications consistently across hybrid environments.
Red Hat Enterprise Linux provides enterprise Linux software used across servers, cloud platforms, data centers, and critical business environments. Red Hat remains a key part of IBM’s hybrid-cloud strategy.
IBM Consulting advises and assists organizations with AI, digital transformation, cloud modernization, cybersecurity, business-process transformation, data, enterprise applications, and technology implementation. Consulting teams work alongside IBM and third-party technologies depending on client requirements.
IBM Z is IBM’s enterprise mainframe platform for organizations that require large-scale transaction processing, strong availability, encryption, and mission-critical computing. The current IBM Z portfolio includes IBM z17, which integrates AI acceleration and supports hybrid-cloud modernization.
IBM z17 is IBM’s current-generation mainframe platform designed around AI, transaction processing, security, automation, and modernization of critical enterprise applications. It uses the Telum II processor and is positioned for high-volume enterprise workloads.
IBM Power systems provide enterprise computing for workloads such as SAP, databases, AI, analytics, and other mission-critical applications. Power infrastructure is designed to support on-premises and hybrid-cloud deployment models.
IBM provides enterprise storage hardware and software for data protection, cyber resilience, cloud integration, backup, high-performance workloads, and large-scale data management.
IBM’s automation portfolio includes technologies for infrastructure automation, application integration, workload orchestration, IT operations, and business processes. The broader ecosystem includes Red Hat Ansible Automation Platform and HashiCorp technologies such as Terraform and Vault.
IBM offers security technologies and consulting services for identity, data protection, threat detection, hybrid-cloud security, application security, and cyber resilience. Security is also integrated into IBM Z and other enterprise infrastructure platforms.
IBM provides data-management, integration, governance, analytics, and AI-ready data products intended to help enterprises make structured and unstructured information available to applications and AI systems.
IBM Quantum develops quantum processors, systems, software, cloud-based access, and research programs for scientific and commercial experimentation. IBM has invested heavily in quantum computing as a long-term strategic technology alongside AI and hybrid cloud.
IBM Research conducts advanced work in AI, semiconductors, quantum computing, security, materials, cloud technologies, and other emerging fields. Research innovation continues to feed technologies into IBM’s commercial portfolio.
IBM provides financing options for qualifying technology purchases and projects. Financing services can support hardware, software, and broader digital-transformation initiatives for business customers.
IBM provides enterprise software and hardware support through product-specific support portals and telephone channels. Current U.S. software and hardware support uses 1-800-426-7378, with an additional international/direct number of +1-303-939-1414.
914-499-1900
This is IBM’s corporate directory and principal executive-office telephone number.
914-499-1900
914-499-1900
914-499-1900
1-800-426-4968
Also:
1-800-IBM-4968.
For software and hardware technical support:
1-800-426-7378.
1-800-426-7378
International/direct support:
+1-303-939-1414.
1-800-426-7378
International/direct support:
+1-303-939-1414.
1-888-746-7426.
914-499-1900
For general questions from outside the United States, Canada, and Puerto Rico:
+1-914-499-1900.
1-888-426-6700
Also represented as:
1-888-IBM-6700
Outside the U.S., Canada and Puerto Rico:
+1-781-575-2727.
Within the U.S., Canada and Puerto Rico:
1-800-490-1493
International:
+1-781-575-2694.
IBM does not prominently publish one universal analyst hotline on its main Investor Relations landing page. Investor information and financial reports are provided through:
IBM uses its Newsroom and communications organization for press inquiries. A single permanent general press telephone number is not prominently listed on the main U.S. contact page.
For shopping assistance:
1-888-746-7426
Enterprise sales inquiries are also handled through product-specific sales forms and IBM representatives.
IBM does not publish one universal billing number covering every software, cloud, consulting, hardware, and enterprise contract. Billing support should use the contact information associated with the relevant IBM account or contract.
IBM maintains country-specific contact numbers and offices around the world. There is no single regional number covering every geography.
IBM offices use location-specific telephone numbers. Customers should use IBM’s global contact directory for the appropriate office.
IBM provides HR contact options through its global contact and careers platforms, but does not publish one universal U.S. applicant HR telephone line.
IBM does not publish a general public corporate emergency line. Enterprise customers with critical technical incidents should use the severity and escalation procedures included in their IBM support entitlement.
For general U.S. questions, call 1-800-426-4968, while direct corporate or directory inquiries can use 914-499-1900. If the issue involves an existing enterprise contract, support entitlement, cloud service, hardware system, or software product, it is usually more effective to sign in to the IBM Support portal or use the support number associated with the product. Software and hardware technical support can be reached at 1-800-426-7378.
Before calling, have the IBM customer number, product name, serial number or system identifier where relevant, support case number, contract details, and a concise description of the issue available. Enterprise technology support can involve different business units, so having this information ready helps IBM determine whether the matter belongs to software, infrastructure, consulting, cloud, billing, licensing, or another team.
If the first support contact does not resolve a business-critical technical matter, request case escalation through the existing IBM Support case rather than opening multiple unrelated cases. For corporate or nontechnical matters, the Armonk headquarters and general contact number provide a separate route. Shareholder questions should go to Computershare using IBM’s dedicated stockholder-service numbers.
International Business Machines Corporation
1 New Orchard Road
Armonk, NY 10504-1722
United States
This is IBM’s verified principal executive office and appears in its current SEC filings and global corporate contact information.
IBM’s principal corporate office and headquarters are located at the same address:
1 New Orchard Road
Armonk, NY 10504
United States
Computershare
P.O. Box 505005
Louisville, KY 40233-5005
United States
This address is for IBM stockholder-account services, not ordinary product support.
Formal shareholder matters can be directed to IBM’s Office of the Secretary at the Armonk headquarters using the appropriate mail-drop or submission instructions specified in current proxy materials.
IBM complaints can involve software or hardware support, cloud services, licensing, consulting engagements, purchases, subscriptions, account access, billing, service quality, privacy, warranties, or corporate conduct. Because IBM primarily serves businesses and institutions, complaint handling often depends on the specific product contract, support entitlement, or statement of work. Keep purchase records, invoices, support-case numbers, contracts, screenshots, system logs, and previous correspondence before escalating.
For general U.S. inquiries, begin with 1-800-426-4968. Explain the nature of the issue and ask to be routed to the appropriate IBM organization. If the complaint concerns an existing technical product, using the IBM Support portal or product-specific support line is usually more effective because the support team can access the customer’s entitlement and case history.
Software and hardware technical issues should use 1-800-426-7378. Sales or shopping matters can use 1-888-746-7426, while shareholder issues belong with IBM Stockholder Services at 1-888-426-6700. Enterprise consulting, cloud, licensing, and contract disputes should be raised with the IBM account team or contract administrator identified in the customer’s agreement.
If the first representative cannot resolve the issue, request escalation within the existing support case or customer account. For technical incidents, ask for a higher-level engineer, support manager, or severity review when justified. Provide a concise chronology, business impact, previous case activity, and the exact outcome you are seeking so the escalation team can assess the matter efficiently.
Document the complaint through IBM’s support portal, account team, sales representative, or other official written channel associated with the product or contract. For complex business disputes, written documentation should identify the contract, invoice, service, support case, key dates, and requested remedy. Avoid relying only on telephone conversations when the issue may later require contractual or regulatory review.
For a serious unresolved corporate matter, correspondence can be sent to International Business Machines Corporation, 1 New Orchard Road, Armonk, NY 10504. Include the company or customer name, relevant IBM account information, case references, contract or purchase details, and a clear chronological explanation. Attach copies of supporting documentation and keep proof of delivery.
Where the issue concerns a negotiated enterprise contract, software license, cloud subscription, consulting engagement, or support agreement, follow the notice and escalation provisions written into that agreement. Large IBM customers often have named account executives, support managers, or contractual escalation contacts. Using those channels can be more effective than a general consumer-style complaint because the contractual team has authority over the specific commercial relationship.
The relevant regulator depends on the issue. Privacy or data-protection complaints may fall under a state privacy authority, the Federal Trade Commission, or an international data-protection authority, depending on the customer’s location and the data involved. Government-contract issues may follow agency-specific procurement procedures, while securities-related matters involving IBM as a public company can fall under the Securities and Exchange Commission.
Individual consumers with qualifying purchase or billing disputes may consider their card issuer, state Attorney General, or consumer-protection agency. Business customers should review procurement, mediation, contract-management, and commercial-dispute options available under their IBM agreement. Preserve invoices, contracts, support cases, service-level records, and IBM’s written responses before using an outside complaint process.
If the dispute remains unresolved, review the specific IBM agreement for governing law, dispute-resolution requirements, arbitration provisions, notice obligations, venue, and limitation periods. IBM serves customers through many different products and contracts, so there is no single universal legal process that applies to every transaction. For significant commercial losses, intellectual-property disputes, data incidents, or contract-performance issues, qualified legal advice may be appropriate before initiating arbitration or litigation.
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