Greyline Investigations Limited is a UK registered private intelligence and cybersecurity firm. We work with individuals, businesses and legal professionals on matters that demand discretion, evidence, or both. The work is led personally and the principal is named on this page.
Most private intelligence work in the UK still runs on informal notes, unnamed operatives, and findings that were never built to survive scrutiny. Greyline was founded to close that gap: every engagement is led personally by a named, technically credentialed principal, every finding is sourced and documented to a standard that holds up in court or in front of a board, and every method is published rather than hidden behind vague reassurance. The result is intelligence work you can act on, and defend, when it matters most.
Endurance, known professionally as Edison, founded Greyline Investigations to bring an evidence led, technically credible standard to private intelligence work in the UK and across the UK Nigeria diaspora corridor. He leads investigative casework personally and is the named accountable individual for every engagement the firm undertakes.
His background sits at the intersection of cybersecurity engineering and intelligence analysis. He holds a BSc from Babcock University and an MSc in Cybersecurity from Liverpool John Moores University. Prior to founding Greyline he worked in operational risk and security roles at Risk Control Services Nigeria Limited, Axespire Consulting Limited and Nigerian Breweries Plc.
His focus areas include cross border asset visibility, pre marriage and pre investment intelligence for diaspora clients, financial fraud investigations, digital forensics, penetration testing, and litigation aligned digital forensics. He works to UK GDPR, the Data Protection Act 2018, and ACPO Principles for Digital Evidence as standard.
Greyline Investigations Limited is registered in England and Wales (Company No. 17121990) and governed by UK law. For work that requires in country capability in Nigeria, including Land Registry tracing, CAC corporate verification and site verification, we work with vetted, named partners under written confidentiality agreements. The lead investigator on any cross border engagement remains UK based and personally accountable for the integrity of the in country output.
Most firms have a list of things they will not do. Few publish it. Ours is published because the boundary is the protection, for the client, the subject, and the firm.
Greyline Investigations LimitedRegistered in England and Wales, No. 17121990
UK GDPR, DPA 2018ACPO Principles for Digital Evidence, ICO registered
cases@greylineinvestigations.co.ukResponse within 24 hours