Google vs Microsoft: The Acquisition Race

Alphabet (Google's parent company) and Microsoft are two of the most valuable companies in the world, and both have spent the past two decades building their empires through a combination of organic product development and aggressive acquisition. Together they have acquired hundreds of companies, spending well over $300 billion in combined transaction value since 2000. The brands they have accumulated, from YouTube to LinkedIn, from Android to GitHub, now sit at the center of how billions of people work, communicate, and consume information every day.

As of early 2026, Alphabet reported trailing twelve-month revenues of approximately $350 billion, while Microsoft reported approximately $270 billion. Both companies have accelerated AI investment dramatically since 2023, and both have positioned their acquisition histories as the foundation for AI product integration. Understanding what each company actually owns, and how those assets connect, is essential context for anyone tracking where technology is headed.

What Alphabet (Google) Owns

Alphabet Inc. was created in 2015 as a corporate restructuring of Google, designed to separate the core Google search and advertising business from a set of longer-horizon "Other Bets." Google itself operates as a wholly owned subsidiary of Alphabet.

• Google Search — the world's most used website and the foundation of Alphabet's advertising revenue, which accounts for approximately 75% of total group revenue
• Google Ads / Google Marketing Platform — the advertising technology stack that monetizes Search, YouTube, and third-party web properties
• Gmail — approximately 1.8 billion active users as of 2025
• Google Maps — the world's most used navigation and local information service
• Google Chrome — the world's most used web browser with approximately 65% global market share
• Google Cloud — cloud computing, storage, and AI services; third-largest cloud provider globally behind AWS and Azure, with approximately $43 billion in FY2025 revenue
• Google Workspace (formerly G Suite) — productivity software for enterprise, competing with Microsoft 365

Major Acquisitions Now Operating as Distinct Brands

YouTube was acquired in October 2006 for approximately $1.65 billion in a deal widely considered the most successful acquisition in internet history. YouTube generated approximately $36 billion in advertising revenue for Alphabet in FY2025, exceeding the combined revenue of many major media companies. It operates as a wholly owned subsidiary under its own brand with independent product and creator ecosystem teams.

Android was acquired from Android Inc. in July 2005 for approximately $50 million, one of the most underpriced acquisitions in technology history. Android is now the world's most widely used mobile operating system, running on approximately 3 billion active devices globally. Google distributes Android to device manufacturers under an open-source model while maintaining control of the Google Play Store and Google Mobile Services ecosystem that generates device-level licensing revenue.

Waze was acquired in June 2013 for approximately $966 million. Waze operates as a distinct navigation brand competing alongside Google Maps, targeting a community-driven, real-time traffic information use case. Alphabet has maintained Waze's separate brand identity rather than merging it into Google Maps.

Fitbit was acquired in January 2021 for approximately $2.1 billion, giving Google a presence in wearable fitness technology. Fitbit has been integrated into Google's hardware ecosystem alongside the Pixel Watch, though its brand has been maintained separately.

Alphabet's Other Bets (wholly owned subsidiaries with distinct brands)

• Waymo — autonomous vehicle technology company; the most commercially advanced robotaxi operation globally, with paid ride services operating in San Francisco, Phoenix, and expanding to additional cities
• Verily — life sciences and health technology research
• DeepMind — AI research laboratory (founded in London, acquired 2014 for approximately $500 million); responsible for AlphaFold, AlphaGo, and Gemini AI development
• Wing — drone delivery technology
• X (the moonshot factory) — exploratory technology projects

• Motorola Mobility (acquired 2012 for $12.5 billion, sold to Lenovo 2014 for approximately $2.91 billion) — primarily acquired for its mobile patent portfolio
• Boston Dynamics (sold to SoftBank in 2017, later acquired by Hyundai)

What Microsoft Owns

Microsoft has pursued a more enterprise-focused acquisition strategy than Alphabet, building a portfolio weighted toward productivity software, cloud infrastructure, gaming, and professional networking.

• Microsoft Windows — the world's most widely used desktop operating system
• Microsoft 365 (formerly Office 365) — productivity suite including Word, Excel, PowerPoint, Teams, and Outlook; approximately 400 million paid seats globally
• Microsoft Azure — the world's second-largest cloud computing platform with approximately 22% global market share, generating approximately $40+ billion in run-rate revenue
• Microsoft Bing — search engine with approximately 3% global market share; significantly enhanced by OpenAI's GPT-4 integration since 2023
• Microsoft Teams — enterprise collaboration platform with approximately 320 million monthly active users
• Microsoft Edge — web browser
• Microsoft Defender — cybersecurity platform for enterprise

Major Acquisitions

LinkedIn was acquired in June 2016 for approximately $26.2 billion, the largest acquisition in Microsoft's history at the time. LinkedIn operates as a wholly owned subsidiary and is the world's largest professional networking platform with approximately 1 billion members as of 2025. LinkedIn generates approximately $16 billion in annual revenue through advertising, Premium subscriptions, and talent solutions. Microsoft has integrated LinkedIn data and tools into Microsoft 365 and Dynamics 365 but has maintained the LinkedIn brand independently.

GitHub was acquired in October 2018 for approximately $7.5 billion. GitHub is the world's largest code hosting platform with over 100 million developer accounts as of 2025. It operates as a distinct brand within Microsoft and has been central to Microsoft's developer community strategy. GitHub Copilot, the AI-assisted coding tool developed using OpenAI technology, has become one of the fastest-adopted developer tools in history.

Activision Blizzard was acquired in October 2023 for approximately $68.7 billion after an 18-month regulatory battle, the largest acquisition in gaming history. The acquisition gave Microsoft ownership of Call of Duty, World of Warcraft, Overwatch, Candy Crush, Hearthstone, and Diablo alongside Activision's publishing infrastructure. Combined with Xbox Game Studios' existing portfolio (Halo, Forza, Minecraft, Elder Scrolls, Fallout), Microsoft now controls one of the largest video game portfolios in the world.

Minecraft (through Mojang Studios, acquired September 2014 for approximately $2.5 billion) remains one of the best-selling video games of all time with over 300 million copies sold. It operates within Xbox Game Studios.

Nuance Communications was acquired in March 2022 for approximately $19.7 billion. Nuance provides AI-powered clinical documentation and speech recognition technology for the healthcare industry. The acquisition is central to Microsoft's healthcare AI strategy.

The OpenAI Partnership Microsoft has invested approximately $13 billion in OpenAI since 2019, making it the primary commercial partner and cloud infrastructure provider for ChatGPT and the underlying GPT model series. OpenAI is not a Microsoft subsidiary; Microsoft holds a significant minority stake and exclusive cloud partnership rights, but OpenAI operates independently with its own governance. The partnership has given Microsoft's products, particularly GitHub Copilot, Microsoft Copilot in 365, and Azure OpenAI Service, a significant AI capability advantage.

Head-to-Head Comparison

The AI Investment Race

The defining corporate narrative of 2025 and 2026 has been the AI investment race, and both Alphabet and Microsoft are central competitors.

Microsoft's partnership with OpenAI has given it a significant first-mover advantage in enterprise AI product integration, particularly through GitHub Copilot (AI coding assistant), Microsoft 365 Copilot (AI productivity assistant), and Azure OpenAI Service (enterprise AI API access). Microsoft Copilot revenue contribution has been a key driver of Microsoft's premium subscription pricing expansion and Azure growth.

Alphabet's response has centered on its internal AI research capabilities, particularly DeepMind (responsible for Gemini) and Google Brain. Gemini has been deployed across Google Search (AI Overviews feature), Google Workspace, and Google Cloud's Vertex AI platform. Alphabet has the advantage of unprecedented scale in AI training data through its search, YouTube, and maps platforms, which no competitor can replicate.

Both companies face the same fundamental tension: AI capabilities that reduce friction in search and productivity may disrupt the advertising revenue models that fund their AI investment. Google's AI Overviews in Search has drawn scrutiny for potentially reducing the click-through rates that generate advertising revenue. Microsoft's Copilot integrations risk cannibalizing standalone software sales with higher-priced bundled subscriptions.

The Gaming Dimension

One area where Microsoft has built a significant owned brand portfolio that Alphabet lacks is gaming. The Activision Blizzard acquisition gave Microsoft control of franchises with combined monthly active users exceeding 500 million globally.

Alphabet has YouTube Gaming and YouTube's live streaming platform, which competes with Twitch (Amazon) in esports and gaming content. But Alphabet has no game publishing or game studio business comparable to Xbox Game Studios or Activision Blizzard.

This asymmetry matters because gaming is increasingly a distribution platform for advertising, subscription services, and virtual goods, categories where both companies compete for consumer time and spending.

Frequently Asked Questions

Is YouTube owned by Google or Alphabet? YouTube is owned by Alphabet Inc. through its subsidiary Google LLC. In practical terms, YouTube is a wholly owned subsidiary of Google, which is itself a wholly owned subsidiary of Alphabet. Day-to-day, YouTube operates under Google's leadership umbrella but has its own product teams, creator partnerships, and advertising business. Alphabet is the ultimate parent company; Google is the operating entity; YouTube is a subsidiary brand within that structure.

Does Microsoft own OpenAI? No. Microsoft does not own OpenAI. Microsoft is a significant minority investor in OpenAI, having invested approximately $13 billion since 2019, and holds certain preferential rights to OpenAI's intellectual property for commercial deployment. But OpenAI is a separate company with its own governance structure, including a non-profit board. OpenAI operates independently of Microsoft and has its own consumer products (ChatGPT) and enterprise API business.

What gaming brands does Microsoft own? Following its acquisition of Activision Blizzard in October 2023, Microsoft controls an extensive gaming brand portfolio including: Call of Duty, World of Warcraft, Overwatch, Candy Crush (Activision Blizzard); Halo, Forza, Fable (Microsoft Studios / 343 Industries, Turn 10); Minecraft (Mojang Studios); The Elder Scrolls, Fallout, Doom (Bethesda Softworks, acquired 2021 for approximately $7.5 billion); and Gears of War. The combined portfolio makes Microsoft one of the largest video game publishers in the world.

How does Google's Android relate to Alphabet? Android is a Google product, and Google is a wholly owned subsidiary of Alphabet. Android was acquired by Google in 2005 and has been developed as Google's mobile operating system, distributed as open-source software to device manufacturers. While the Android Open Source Project (AOSP) is freely available, device manufacturers that want access to Google's proprietary apps (Google Play Store, Gmail, YouTube) must sign a licensing agreement with Google and pre-install Google services. This gives Google significant control over the Android ecosystem despite the open-source base code.

Who is winning the cloud computing race? Amazon Web Services (AWS) remains the largest cloud provider globally with approximately 30-31% market share. Microsoft Azure holds second place with approximately 21-22% share. Google Cloud holds third place with approximately 11-12% share. All three are growing, but Microsoft Azure has gained the most share in recent years, aided by its enterprise customer relationships, Microsoft 365 integration, and the commercial deployment of OpenAI's technology. Google Cloud has also gained enterprise customers through its AI capabilities and data analytics tools.

Explore Related Brands

• YouTube - Video platform owned by Alphabet
• Android - Mobile OS owned by Alphabet
• Waymo - Autonomous vehicle company owned by Alphabet
• LinkedIn - Professional network owned by Microsoft
• GitHub - Developer platform owned by Microsoft
• Xbox - Gaming brand owned by Microsoft

Browse all technology brand ownership profiles →

Sources

1. Alphabet Inc. Annual Report FY2025 — https://abc.xyz/investor/ 2. Microsoft Annual Report FY2025 — https://www.microsoft.com/en-us/investor 3. Motley Fool — Alphabet vs Microsoft analysis, March 2026 — https://www.fool.com 4. Synergy Research Group — Cloud market share Q4 2025 — https://www.srgresearch.com 5. Reuters — Microsoft Activision Blizzard acquisition close, October 2023 — https://www.reuters.com 6. Bloomberg — OpenAI Microsoft investment summary — https://www.bloomberg.com

All brand ownership data verified through WhoBrands.com's research methodology. Last updated: March 14, 2026.