Private Investigators Across the UK

Private investigators in London, Manchester, Birmingham, Leeds, Glasgow and every major UK city. Local knowledge, court-ready evidence, 24-hour line.

K3K Investigations is based in London and works across the United Kingdom. The pages below cover the cities and regions where we hold the most casework and the most local knowledge — the surveillance geography, the transport patterns, the local economies that shape what gets investigated and how.

Being a London agency that deploys to your area is usually an advantage rather than a compromise: no operative who might be recognised locally, no professional circles that overlap with yours, and no shopfront cost built into the quote. If your area is not listed, it does not mean we do not cover it — call and ask.

Private Investigator in Birmingham

Updated 29 July 2026

Private investigators covering Birmingham and the West Midlands. Discreet surveillance, people tracing, matrimonial and fraud investigations, court-ready evidence.

Private Investigator in Bournemouth

Updated 1 August 2026

Private investigators in Bournemouth, Poole and Dorset. Surveillance, matrimonial and corporate investigations, probate tracing — court-ready evidence.

Private Investigator in Brighton

Updated 1 August 2026

Private investigators in Brighton & Hove and Sussex. Discreet surveillance, matrimonial and corporate investigations, people tracing — court-ready evidence.

Private Investigator in Bristol

Updated 1 August 2026

Private investigators covering Bristol, Bath and the South West. Surveillance, matrimonial, tracing and fraud investigations with court-ready evidence.

Private Investigator in Cambridge

Updated 29 July 2026

Private investigators in Cambridge and East Anglia. Discreet surveillance, people tracing, corporate and matrimonial investigations with court-ready evidence.

Private Investigator in Cardiff

Updated 29 July 2026

Private investigators in Cardiff and South Wales. Covert surveillance, people tracing, matrimonial and fraud investigations with court-ready evidence.

Private Investigator in Edinburgh

Updated 29 July 2026

Private investigators in Edinburgh and east Scotland. Discreet surveillance, people tracing, matrimonial and corporate investigations to Scottish court standard.

Private Investigator in Glasgow

Updated 29 July 2026

Private investigators covering Glasgow and west central Scotland. Covert surveillance, people tracing, matrimonial and fraud investigations, evidence to court standard.

Private Investigator in Leeds

Updated 29 July 2026

Private investigators in Leeds and West Yorkshire. Covert surveillance, people tracing, matrimonial and workplace investigations with court-ready evidence.

Private Investigator in Leicester

Updated 1 August 2026

Private investigators in Leicester and Leicestershire. Discreet surveillance, corporate and workplace investigations, people tracing and matrimonial casework.

Private Investigator in Liverpool

Updated 29 July 2026

Private investigators covering Liverpool and Merseyside. Discreet covert surveillance, people tracing, matrimonial and fraud investigations, court-ready evidence.

Private Investigator in London

Updated 1 August 2026

Discreet private investigators in London. Surveillance, tracing, matrimonial and cyber investigations across all 32 boroughs. 24 hours: 020 3343 7007.

Private Investigator in Manchester

Updated 29 July 2026

Private investigators in Manchester and Greater Manchester. Covert surveillance, people tracing, matrimonial and fraud investigations with court-ready evidence.

Private Investigator in Milton Keynes

Updated 1 August 2026

Private investigators in Milton Keynes and Buckinghamshire. Surveillance, corporate investigations, people tracing and matrimonial casework, court-ready.

Private Investigator in Newcastle

Updated 29 July 2026

Private investigators in Newcastle and the North East. Covert surveillance, people tracing, matrimonial and fraud investigations with court-ready evidence.

Private Investigator in Norwich

Updated 1 August 2026

Private investigators in Norwich and Norfolk. Discreet surveillance, insurance and corporate investigations, rural people tracing and matrimonial casework.

Private Investigator in Nottingham

Updated 29 July 2026

Private investigators in Nottingham and the East Midlands. Covert surveillance, people tracing, matrimonial and workplace investigations, court-ready evidence.

Private Investigator in Oxford

Updated 29 July 2026

Private investigators in Oxford and the Thames Valley. Discreet surveillance, people tracing, matrimonial and corporate investigations, court-ready evidence.

Private Investigator in Portsmouth

Updated 1 August 2026

Private investigators in Portsmouth and South Hampshire. Covert surveillance, people tracing, corporate and matrimonial casework with court-ready evidence.

Private Investigator in Reading

Updated 1 August 2026

Private investigators in Reading and the Thames Valley. Corporate investigations, surveillance, people tracing and matrimonial casework, court-ready.

Private Investigator in Sheffield

Updated 29 July 2026

Private investigators in Sheffield and South Yorkshire. Covert surveillance, people tracing, matrimonial and workplace investigations with court-ready evidence.

Private Investigators in South London & Surrey

Updated 1 August 2026

Local private investigators covering Croydon, Purley, Bromley, Sutton, Kingston and Surrey. Surveillance, matrimonial and tracing with local knowledge.

Private Investigator in Southampton

Updated 1 August 2026

Private investigators in Southampton and Hampshire. Discreet surveillance, people tracing, corporate and matrimonial investigations with court-ready evidence.

K3K Investigations — private investigators in London, operating UK-wide. Call 020 3343 7007 (24 hours) or email [email protected].