Individual skill
who-really-owns-it
Research companies, directors, shareholders and ultimate beneficial ownership in official corporate registries, filings and offshore datasets — OpenCorporates, UK Companies House and the PSC register, SEC EDGAR, US Secretary of State registries, EU business registers, GLEIF LEI records, OpenOwnership, OpenSanctions and the ICIJ Offshore Leaks database. Use when asked who owns or controls a company, to find a person's other directorships, or to unpick a group structure. Applies to KYB and UBO verification, AML and sanctions screening, nominee and shell-company detection, procurement integrity, and M&A diligence. Reference at useosint.com/skills/who-really-owns-it.
skills/who-really-owns-it/SKILL.md
Source commit 06243a5620b0c9c97502edd4ee9e31995a3bdccd
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- Last checked
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- Repository last updated
- Aug 3, 2026
- License
- MIT
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SKILL.mdcore · 14,795 bytesSKILL.mdcore · 14,795 bytesSKILL.mdcore · 14,795 bytesreference/filing-interpretation.mddoc · 9,659 bytesreference/registry-catalogue.mddoc · 11,384 bytes
Read excerpt
# Who really owns it
Registries turn a brand into a legal entity with a number, dates, addresses, and
named people. The thing nobody tells you first: **registry structure varies
enormously by jurisdiction, and that variance is the entire game.** One country
publishes full accounts, share registers, and directors' birth dates for free.
Its neighbour publishes a name and a status code and charges for the rest. Your
research strategy is not "look up the company" — it is "work out what this
jurisdiction lets me see, then plan around the gap".
Second thing: search by **company number**, not name. The number is issued once
and persists through renames, mergers, and dissolution. The name does not.
## Triage