GitHub

ACQUIRED

GitHub, Inc.

Platform companyBig Tech

GitHubGitHub Inc.GitHub, Inc.Logical Awesome LLC (2008 - wewnetrzna nazwa poczatkowa)

GitHub is the world's largest code hosting and developer collaboration platform, also providing AI developer tools such as GitHub Copilot. A subsidiary of Microsoft since 2018.

Founded2008United States

HQSan FranciscoUnited States

Total funding$7850000B3 · 2012–2018

Valuation$7.5B (Microsoft acquisition 2018)🦄Acquisition value · 2018

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01 · About

GitHub

Founded 2008 · San Francisco, United States

GitHub is a developer platform that hosts Git code repositories and enables software collaboration for more than 180 million developers and 4 million organizations worldwide. Founded in 2008 in San Francisco by Tom Preston-Werner, Chris Wanstrath, P.J. Hyett and Scott Chacon, it was acquired by Microsoft in 2018 for $7.5 billion in stock. It offers AI developer tools (GitHub Copilot, GitHub Models, GitHub Spark), CI/CD (GitHub Actions), cloud development environments (Codespaces) and code security solutions (GitHub Advanced Security). The company is led by CEO Thomas Dohmke (since November 2021).

Founders

Tom Preston-Werner
Co-founder, former CEO
American developer who co-founded GitHub in 2008; creator of the Jekyll static-site generator and TOML configuration language.
Chris Wanstrath
Co-founder, former CEO
American developer, co-founder of GitHub and its CEO from 2014 to 2017.
P.J. Hyett
Co-founder
American developer, co-founder of GitHub in 2008.
Scott Chacon
Co-founder
American developer, co-founder of GitHub and author of the "Pro Git" book; founder of GitButler.

02 · What they do

Domain of activity

3 areas · 5 technologies · 2 industries

What they do3Areas

AI platforms
Agent systems
AI cybersecurity

How they do it5Technologies

Agentic AI
Generative AI
LLM
Tool Use
MLOps

Who for2Industries

Research & science
Education

03 · Geography

Global presence

HQ San Francisco · 2 offices · 1 regions

Global

04 · Metrics

Scale & funding

founded 2008 · Acquisition by Microsoft

2008founded

~5,500 employees (2025). Grew from ~600 at the Microsoft acquisition (2018).employees

$7.9Btotal funding

Acquisition by Microsoftlatest round

maturedevelopment stage

Privatenot listed

acquiredstatus

$7.9B

total funding

3 · 2012–2018

Series AJuly 2012Andreessen HorowitzJuly 2012: first VC round - $100M Series A led by Marc Andreessen (a16z). At the time a16z's largest single round to date. Post-money valuation ~$750M.

$100M (Andreessen Horowitz, 2012)

Series BJuly 2015Sequoia Capital, Andreessen Horowitz, Thrive CapitalJuly 2015: Series B $250M @ $2B valuation. Led by Sequoia Capital.

$250M @ $2B (2015)

Acquisition by MicrosoftOctober 2018MicrosoftAnnouncement June 4, 2018 ($7.5B all-stock), closing October 26, 2018. Microsoft paid in MSFT shares. GitHub kept a separate brand, product, and led-CEO Nat Friedman (later Thomas Dohmke). A historic deal that confirmed Microsoft's transformation from the Ballmer-era 'cancer' vs Linux to the open-source-friendly Nadella era.

$7.5B (all-stock Microsoft acquisition, October 2018)

05 · Portfolio

Products & solutions

1 ai systems

GitHub Copilot

AI system supporting developers: code completions, chat, agent mode, autonomous cloud agent, code review and CLI in IDEs and on GitHub.com.

06 · Relations

Organizational relations

1 strategic relations · 7 brands

Strategic relations

Acquired by
MicrosoftMicrosoft completed its acquisition of GitHub on October 26, 2018 for approximately $7.5 billion in Microsoft stock. GitHub operates as an independent subsidiary.
2018 →

07 · Classification

Profile & metadata

4 classification · 8 external links

Classification

Statusacquired
Development stagemature
Listed onNoprivate
Organization typePlatform company+ Big Tech

External links

08 · Related content

Articles

4 articles

News9 September 2026

HydraFusion Cuts Coding Costs. Quality Improves in One Test of Three

GitHub launched Project HydraFusion, a routing layer that picks the model and execution pattern for each coding task. Cost fell in all three benchmarks, but quality beat Claude Opus 5 in only one.

News5 September 2026

An AI agent ran the training loop. Meet iCoder-27B

A team from China and Singapore let the Codex GPT-5.6-Sol agent run the training of a 27B industrial coding model. iCoder-27B scores 68.0 on RTLLM against the base Qwen3.6-27B's 49.6.

News11 June 2026

Miasma Worm Hits Microsoft Again: 73 npm Packages Booby-Trapped for AI Agents

The second supply-chain attack on Microsoft repositories in two months — the Miasma worm hijacked 73 npm packages and triggered a credential stealer the moment a developer opened the project in Claude Code, Cursor, or Gemini CLI.

News9 March 2026