Public Registries

EU public procurement notices and awarded-contract search

Best for: EU procurement notice discovery, awarded-contract leads, buyer/supplier checks, CPV sector searches, place-of-performance filters, and procurement timeline review.

Open scholarly works, authors, institutions, and funders graph

Best for: Scholarly-publication context, author and institution disambiguation, funder and topic pivots, citation trails, and research-claim triage.

Legal Entity Identifier search for company identity checks

Best for: Confirming LEI records, legal-entity names, registration status, reference data, and identity anchors in company due diligence.

Investigative offshore entity and intermediary database

Best for: Checking whether a person, company, intermediary, address, or entity appears in ICIJ offshore leak datasets during due diligence…

Structured open knowledge graph

Best for: Use it when a person, organization, place, or concept needs identifiers and linked open-data context.

Primary UK company registry and filing search

Best for: Primary UK company identity, company-number, officer, filing, status, charge, and document checks.

Domain, DNS, WHOIS, and threat intelligence APIs

Best for: Use it when domain research needs structured enrichment at scale rather than one manual lookup at a time.

U.S. campaign finance and lobbying research database

Best for: Researching U.S. political donations, lobbying records, PACs, industries, candidates, committees, and money-in-politics patterns.

Commercial domain intelligence for WHOIS history and DNS pivots

Best for: Investigating domains, ownership history, DNS relationships, and infrastructure context around suspicious or important web properties.

Document-led investigative research across public datasets

Best for: Document-heavy public-records, company, procurement, sanctions-adjacent, and cross-border investigative research where source documents matter.