Greyline's complete service stack, from individual relationship intelligence to corporate insider threat investigations and litigation support. Every engagement is led by a named analyst, scoped against your specific facts, and reported to evidential standard.
Quiet, documented inquiry into the people who matter most, partners, prospective spouses, those targeting you online, and those threatening your safety.
Explore →Pre-hire vetting, vendor and supply-chain risk, pre-investment diligence, and the intelligence businesses need before they commit capital or trust.
Explore →Investigations into fraud, hidden assets, and financial deception, for individuals, businesses, and litigation contexts.
Explore →Dark web sweeps, ongoing monitoring for organisations, and structured adverse media and background screening.
Explore →Penetration testing, vulnerability assessment, and social engineering testing, scoped against your real-world exposure.
Explore →Investigative support for solicitors and family offices, civil litigation support, expert witness work, witness location, and pre-investment diligence.
Explore →For matters that fit a defined scope, Greyline offers six services available immediately via online checkout. Everything else is scoped post-inquiry under a confidential discovery call.
Focused, decision-ready investigation into a single individual you've met online. Determines whether the person is who they claim to be, and whether the relationship matches romance fraud typologies.
Learn more →Comprehensive sweep and analytical breakdown of a subject's online presence. Three tiers covering depth from standard footprint mapping to full digital behaviour intelligence.
Learn more →The most comprehensive pre-commitment investigation we offer, for the moment before marriage, cohabitation, joint property purchase, or relocation.
Learn more →Monthly subscription delivering sustained intelligence on a named subject, weekly monitoring, alert-driven flagging, and a monthly intelligence digest.
Learn more →Pre-employment vetting that goes beyond compliance-tier screening. Two tiers built for the senior, trust-critical hires where a bad decision is expensive.
Learn more →Structured point-in-time investigation of dark web markets, paste sites, breach corpora, and threat-actor channels. Personal and business tiers.
Learn more →All inquiries are reviewed by an analyst, not a salesperson. Submit a high-level summary, no sensitive material at this stage. A confidentiality agreement is provided before any detailed disclosure.