OCCRP Aleph

Operator: Stichting OCCRP, Netherlands

An OCCRP research database containing public records, company information, documents and restricted research archives.

Platforms & SuitesIntegrated platform

OPSEC caution

For copyright or privacy complaints about uploaded materials, OCCRP reserves the right to disclose the uploader’s identity to the complainant.

Open website (external website)

Product

The hosted OCCRP research database at aleph.occrp.org, called Aleph Pro in the interface. Public datasets and restricted research archives authorised individually.

Availability and source date

Active

As of: 17 October 2026.

No functionality test has been performed.

Use in OSINT research

Searches government records, company information, leaked archives and other research datasets for people, companies and terms. Its regional focus is Central and Eastern Europe, sub-Saharan Africa, South America and offshore financial centres.

Queries

Input	Result	Result type
Keyword / free text	Matches in accessible documents and datasets, with search terms highlighted.	Retrieved
Person name	Records and document matches about a person from the accessible datasets.	Retrieved
Company / organisation name	Company information and document matches from the accessible datasets.	Retrieved

Features

Search documents and structured records together.
Filter results by country, data type, entity, dataset, language or date.
Match people and companies across datasets.
Upload your own files to private research projects and extract text.
Display research results in network diagrams.
Use email notifications for new matches and download accessible results.

Coverage

Geographical coverage

Central and Eastern Europe · Sub-Saharan Africa · South America · Offshore financial centres

Dataset

Aggregated government records, open databases, company information and leaked archives relevant to journalism. Some datasets are public; others are restricted.

Access

Requirements

Public datasets are accessible free of charge. For restricted datasets, OCCRP requires an account and individual authorisation for journalists, activists, NGOs, researchers or other partners.

Export

Individual documents and multiple search results can be downloaded. The search help specifies limits based on result count and document size. Bulk exports to commercial companies require a separate contractual agreement.

Provider

Stichting OCCRP

Country of establishment

Netherlands

Interfaces

API

Available. A documented API and alephclient. An API key from the user account is required for restricted data and write access.

Product or documentation

MCP

Not documented. Not described in the reviewed API help and database documentation.

AI agents