Hire a Private Investigator / Private Detective | Tel: 01639 830073 or 07734 569549

Hire a private investigator from Sarah Gallienne Investigations: The No.1 Female Detective  in Wales.
We specialize in  Covert Surveillance/Static Observations & GPS Tracker Hire.


Whilst our investigators operate primarily in Wales, we have a network of skilled private detectives and private investigators that can cover nationwide if required. We have the benefit of local knowledge of Wales but no welsh ties.

Our Services include, but are not limited to:-


Our team is dedicated to providing results where possible, in a timely efficient manner, thus protecting your financial resources. We understand that our clients’ need to get their enquiries completed to their satisfaction, with the desired results.

We pride ourselves in being approachable and down to earth. If you need advice about any aspect of you enquiry, a private investigator will be more than happy to discuss how we may be able to help you, explain in detail the services we can offer and how we are able to assist you with your specific matter.



  • Female Run Business with extensive experience in Investigations
  • Local Operatives used operarting from Head Office in Waless
  • Professional standards and ethics /Total Confidentiality
  • Committed, Friendly and Trustworthy
  • Experienced X forces staff – both Male & Female Operatives available to suit job requirements
  • Operating 24 hours a day
  • Competitive fees / packages designed to suit your needs
  • Proven Results


Our Head Office is based locally  in  Wales. We offer private detective services, operating daily throughout North Wales / Mid Wales / South Wales & West Wales: Cardiff, Swansea, Cwmbran, Chepstow, Newport,  Neath,  Llanelli, Cross Hands, Ammanford, Carmarthen, Aberdare & Haverfordwest  – to name a few areas we regularly work in.

private detective swansea, cardiff, wales
hire a private investigator


All cases will be treated in accordance with the relevant legislations governing how we perform our enquiries within the Private Detective industry: –

Regulation of Investigatory Powers Act 2000 |  The Bribery Act 2010 |  The Computer Misuse Act 1990 |  The Criminal Procedure & Investigations Act 1996 |  The Criminal Justice & Public Order Act 1994 |  The Private Security Industry Act 2001 |  Human Rights Act 1998 |  Data Protection Act 1998.



hire a Private Investigator

The Institute of Private Investigation Diploma

hire a private investigator

IQ Level 3 Professional Investigations Certificate

 hire a private investigator


In Readiness for Government Regulations & Licensing of Private Investigators, Sarah Gallienne has successfully gained the IQ Professional Investigators Award which is a UK Nationally recognised qualification.

Sarah Gallienne Investigations are registered with:-

SGI is registered with the Information Commissioner’s office and is subsequently registered under the data protection act 1998 Reg. No. Z1495400.




Contact Us to Hire a private investigator from Sarah Gallienne Investigations with confidence today!


hire a private investigator

Services Include:-
Hire a Private Investigator; Swansea private investigative agency; Private Detective UK; Covert Surveillance Wales; Professional Investigator Cardiff ; Witness Statements Swansea; CV verification; CFA sign ups haverfordwest; Employees Moonlighting Monmouth; Enquiry Agent Aberdare: Address Verification chepstow; Swansea surveillance investigation; Covert Video Intelligence Bridgend; investigator agency Swansea;  Private Investigations Brecon; Investigator Swansea; PC & Mobile Forensics South Wales; Accident Sketch Plans Cross Hands; Swansea a private eye; Locus Inspection Ammanford; Suspected Fraud Cardiff; Swansea  investigator; Cardiff Vehicle Trackers;  GPS Tracker Hire Aberdare; professional investigator in Swansea; Tracing Missing Persons Pontypridd; Commercial Investigations Merthyr Tydfil; Hire a Private Investigator Swansea; Tracing Debtor Milford Haven; investigation agencies in Swansea; Cwmbran Cheating Partner Surveillance; Hire a Private Detective Tonypandy; Tracking Assets Carmarthen; Address Verification Neath; Personal Injury Surveillance Swansea; Catch a Cheating Partner Pontardawe; Swansea investigative services; Door Knock Enquiries Ystalyfera; Private Investigator UK; Test Purchases Pembroke; Hire a Private Investigator Cardiff; Car tracker sales Betws-y-coed; Undercover Operatives Port Talbot; Aberdare Surveillance on Benefit Cheats; New Quay Co-habitation Surveillance; Background Checks North Wales; Employee Vetting West Wales; Tracking devices for Sale Wrexham, Swansea detective investigation; Cardiff Static Observations;  Haverfordwest Tenancy Investigations; Electronic Vehicle Tracking Mid Wales; Carmarthen Local Authority Investigations; investigative services in Swansea; Cardiff; Swansea Status Reports; Aberdare Car Tracking;  Swansea investigation agencies; West Wales Vehicle Tracking; Monmouth GPS Tracking; Brecon Enquiries; Bristol Marital Surveillance; Aberystwyth Door Knocks; Abergavenny Fraud Surveillance; investigative detective in Swansea; Merthyr Tydfil Investigations; Neath Accident Investigations; Private Detective South Wales; detective investigator in Swansea;  investigation agencies in Swansea;  investigation company in Swansea;  investigation detective in Swansea;  investigation services in Swansea; Cardiff online detective; Swansea online detective; cardiff private eye;  Swansea private eye; Cardiff private eyes; Private Investigator Cardiff; a private investigator Cardiff; corporate investigation Cardiff; corporate investigation service Swansea; corporate investigator Cardiff; detective investigation Cardiff; detective investigator Cardiff; investigation agencies Cardiff; investigations agency Swansea; investigation company Cardiff; investigation detective Cardiff; investigation services Cardiff; investigative service Swansea; investigative detective Cardiff; investigative services Cardiff; investigator Cardiff ; No. 1 female detective in Wales, Swansea best private eye, Cardiff best private eye, female pi, female private eye. Aberdare, Abergavenny, Abersytwyth, Ammanford, Barry,  Brecon, Bridgend, Bristol, Buith Wells, Cardiff , Carmarthen, Cowbridge, Cross Hands, Cwmbran,  Ebbw Vale,  Fishbuard, Haverfordwest, Hirwaun,  Kidwelly, Lllandeilo, Llanelli, Llantwit major, Merthyr Tydfil, Milford Haven, Monmouth,  Neath, Newport, Pembroke, Pontypridd, Port Talbot,  Saundersfoot, South wales,  St. Clears, Swansea,  Tenby, Wales, West wales, Ystradgynlais, & Ystalyfera.




  • **Special Offers**
    *Competitive Rates for GPS Tracker Hire - Call for Price.
    * We have experienced agents available to Deploy within 24-48hrs.
    * Unlimited Positions For Duration of Hire
    * Robust Waterproof Sealed Untraceable Trackers
    * "Live tracking" Control Panel available to all Clients

Professional Investigator Network
British Agents
 UK Professional Surveillance Network
Approved Private Investigator