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CATERGORY

TITLE

DESCRIPTION

RATING

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1

Coporate & Financial Search Engines

OpenCorporates

OpenCorporates is the largest open database of companies in the world, covering registration details, officers and corporate networks across many jurisdictions. Investigators use it to map ownership, directorships and cross-border corporate structures. Much of the data is free to search, with API and bulk access for larger research.

2

Coporate & Financial Search Engines

SEC EDGAR

SEC EDGAR provides free access to filings submitted by United States public companies, including annual reports, ownership disclosures and registration statements. It is the authoritative source for US corporate financial and governance information. Full-text search makes it easy to trace people, entities and transactions across filings.

3

Coporate & Financial Search Engines

Aleph (OCCRP)

Aleph, built by the Organized Crime and Corruption Reporting Project, lets journalists search across company registries, leaks, court records and sanctions lists in one investigative archive. It is designed to connect people and entities across disparate datasets. Access is free for qualifying researchers and journalists.

4

Coporate & Financial Search Engines

ICIJ Offshore Leaks Database

The ICIJ Offshore Leaks Database exposes offshore companies, trusts and their connected officers, drawn from the Panama Papers and related investigations. It reveals hidden ownership structures and the networks behind them. The database is free to search and is a landmark resource in financial investigation.

5

Coporate & Financial Search Engines

Companies House

Companies House is the official United Kingdom company register, offering free access to filings, directors, shareholdings and full company histories. Investigators rely on it for authoritative UK corporate records. Its free API supports automated look-ups and network mapping.