Private company

Semmle

English code analysis platform

Semmle Inc is a code-analysis platform; Semmle was acquired by GitHub (itself owned by Microsoft) on 18 September 2019 for an undisclosed amount. Semmle's LGTM technology automates code review, tracks developer contributions, and flags software security issues.² Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Dec 28, 2006Founded¹

HeadquartersOxford¹
Websitesemmle.com

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Corporate structure

Semmle is part of a group headed by Microsoft. 191 entities, 29 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Microsoft Redmond, Washington, United States
- Activision Blizzard Santa Monica, California, United States
  - Beenox Quebec, Quebec, Canada
  - Radical Entertainment Vancouver, British Columbia, Canada
  - Activision Subsidiary · Santa Monica, California, United States
    - 7 Studios Subsidiary · Los Angeles
    - Budcat Creations Subsidiary · Iowa City
    - High Moon Studios Subsidiary · San Diego
    - Infinity Ward Subsidiary · Woodland Hills
    - Luxoflux Subsidiary · Santa Monica
    - Neversoft Subsidiary · Woodland Hills
    - Raven Software Subsidiary · Madison
    - Sierra Entertainment Subsidiary · Bellevue
      - 2 more
    - Sledgehammer Games Subsidiary · Foster City
    - Treyarch Subsidiary · Santa Monica
    - Gamestar Subsidiary
  - Bizarre Creations Subsidiary · Liverpool
  - Blizzard Entertainment Subsidiary · Irvine
    - Blizzard Albany Subsidiary · Albany
    - Blizzard North Subsidiary · San Mateo
    - Proletariat Subsidiary
  - Actibliz México Subsidiary · Mexico
  - ACTIVISION CANADA, INC. Subsidiary · Mississauga, Ontario, Canada
  - DEMONWARE INC. Subsidiary · Vancouver, British Columbia, Canada
- GitHub San Francisco, California, United States
- King St. Julian'S, Malta
- LinkedIn Corporation Wilmington, Delaware, United States
  - Connectifier Subsidiary
  - LinkedIn Learning Subsidiary · Carpinteria
  - SlideShare Subsidiary
- Metaswitch Enfield, United Kingdom
- Microsoft Ireland Operations Dublin, Ireland
- Microsoft Research India New Delhi, India
- Semmle Oxford
- Aces Studio Subsidiary
- Adallom Subsidiary · Menlo Park
- AltspaceVR Subsidiary · Redwood City
- aQuantive Subsidiary · Seattle
- Bethesda Softworks Subsidiary · Rockville
  - Arkane Studios Subsidiary · Lyon
  - Bethesda Game Studios Subsidiary · Rockville
    - Bethesda Game Studios Dallas Subsidiary · Dallas
  - Sparkypants Studios Subsidiary · Baltimore, United States
- Canesta Subsidiary · Sunnyvale
- Clipchamp Pty Ltd Subsidiary · TC Beirne Department Store, Australia
- CyberX Subsidiary · Boston, Israel
- Danger, Inc. Subsidiary · Palo Alto
- Digital Anvil Subsidiary · Austin
- Ensemble Studios Subsidiary · Dallas
- Fast Search & Transfer Subsidiary · Oslo
- GameBank Corp. Subsidiary
- Good Science Studio Subsidiary · Redmond
- GreenButton Subsidiary · Wellington
- Havok Subsidiary · Dublin
  - Trinigy Subsidiary · Eningen unter Achalm
- id Software Subsidiary · Richardson
- and 159 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

Microsoft

From Wikidata.¹

Timeline

Dec 28, 2006Founded Founded¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataSemmle on Wikidata
2
WikipediaSemmle on Wikipedia