What Is Due Diligence?
How due diligence helps review people, companies, investments, vendors, or business concerns.
What Is a Background Check?
A background check is a structured review of available information about a person or company.
Depending on the purpose, it may include identity indicators, address history, business affiliations, litigation records, media mentions, reputation signals, professional history, and other lawful sources.
Back to GlossaryRelated Terms and Pages
What Is OSINT?
What OSINT means and how online sources can support investigative research.
What Is A Private Investigator?
A plain-English definition of private investigator work and how it connects to service requests.
Background and Due Diligence Checks
Research people, companies, addresses, claims, and business concerns before decisions are made.
Corporate Investigations In Portugal
Vendor checks, employee misconduct, investment concerns, company research, and litigation support.
Private Investigator In Porto
Field investigation, corporate concerns, locate work, and discreet activity checks in northern Portugal.