International Business Machines Corporation
CorpDigest
International Business Machines Corporation
Company History
Founded 1911 in Armonk, New York
Last reviewed: 2026-06-03 · By Swet Parvadiya
IBM was founded in 1911 as the Computing-Tabulating-Recording Company (CTR) through a merger of four companies orchestrated by financier Charles Ranlett Flint. Thomas J. Watson Sr. Joined as general manager in 1914 and transformed the company into a sales-driven organization, renaming it International Business Machines in 1924. Under Watson Sr. And later Watson Jr., IBM dominated the mainframe era from the 1950s through the 1980s, with the System/360 family becoming the industry standard for commercial computing. The company launched the IBM PC in 1981, inadvertently creating the platform that Microsoft and Intel would dominate. After a near-death experience in the early 1990s (posting $8 billion in losses in 1993), Lou Gerstner transformed IBM from a hardware manufacturer into a services and software company. The current era under Arvind Krishna (CEO since 2020) represents the third major reinvention: pivoting from services to hybrid cloud and AI. The $34 billion Red Hat acquisition (2019) anchors the cloud strategy, while the Kyndryl spinoff (2021) shed low-margin managed infrastructure. IBM today generates $62.8 billion in annual revenue with approximately 270,000 employees, positioned as the technology partner for enterprises navigating the complexity of hybrid cloud environments and AI adoption.
Charles Ranlett Flint created the Computing-Tabulating-Recording Company (CTR) in 1911 by merging four companies: the Tabulating Machine Company (Herman Hollerith's punch-card business), the International Time Recording Company, the Computing Scale Company, and the Bundy Manufacturing Company. Flint's role was that of a financial architect rather than an operational leader — he assembled the pieces and then stepped back from day-to-day management. His most consequential decision was hiring Thomas J. Watson Sr. As general manager in 1914, a choice that would define the company's culture and trajectory for the next four decades. Flint served as a director but left the operational transformation to Watson. His legacy is that of the assembler who created the raw material from which Watson built IBM.
IBM acquired Red Hat to gain the leading enterprise open-source software company and anchor its hybrid cloud strategy. Red Hat's OpenShift, Ansible, and RHEL products provided IBM with a credible cloud platform that could run on any infrastructure.
IBM acquired PwC Consulting to dramatically expand its IT services and consulting capabilities. The deal added approximately 30,000 consultants and made IBM Global Services the world's largest technology consulting organization.
IBM acquired Lotus to gain Lotus Notes, the leading enterprise collaboration and email platform of the era. The acquisition was part of Lou Gerstner's strategy to build IBM's software portfolio and create enterprise switching costs through messaging and workflow tools.
IBM acquired Apptio to add IT financial management and FinOps capabilities to its automation portfolio. Apptio helps enterprises understand and optimize their technology spending — a critical capability as cloud costs escalate unpredictably.