Microsoft

Legal Name: MICROSOFT CORPORATION
Entity Type: Corporation
Website: https://microsoft.com/
Sponsor Domains: microsoft.com
Open Source: https://cloudblogs.microsoft.com/opensource

Lookups

Follow these identifiers for corporate structure, filings, and leadership from the authoritative sources.

Wikidata: Q2283
LEI: INR2EJN1ERAN0W5ZP974
SEC CIK: 789019

Current Sponsorships

Sponsorship programs that list this organization at their last check, by sponsorship metalevel. Rough estimated total at published level prices, with in-kind levels discounted: $2.89M.

Apache Software Foundation: first, firstinkind
Academy Software Foundation: first
Cloud Native Computing Foundation: first
FINOS Foundation: second
FreeBSD: first
GraphQL Foundation: first
JS Foundation: first
Linux Foundation: first
LF AI Foundation: first
LF Energy Foundation: first
NumFOCUS: second
Open SSF Foundation: first
Open Stack Foundation: first
OpenStreetMap: first
Open Source Initiative: fourth
Python: second

Sources

https://github.com/Punderthings/fossfoundation/tree/main/_data/sponsorships (2026-11-01): microsoft.com is the canonical sponsor domain in current sponsor lists of 3 or more distinct foundations (website and domains).
https://www.sec.gov/files/company_tickers.json (2026-11-01): CIK 789019 is the SEC registrant "MICROSOFT CORP" (cik).
https://github.com/todogroup/ospolandscape/blob/2cb0f82f1915a3f06715bd2981679e7500899f46/landscape.yml (2026-11-01): TODO Group OSPO Landscape lists Microsoft as a TODO Group member and OSPO adopter with this open source site (opensourceurl).
https://api.gleif.org/api/v1/lei-records/INR2EJN1ERAN0W5ZP974 (2026-11-01): GLEIF LEI record for MICROSOFT CORPORATION (US-WA), the operating entity behind the brand (leiCode, legalName).
https://www.wikidata.org/wiki/Q2283 (2026-11-01): Wikidata item for this organization, validated directly by maintainer Shane Curcuru (wikidataId).

Last reviewed 2026-11-01. Data is CC0-1.0; see the sponsors dataset.