Head office London UK. Investigators based throughout the UK. Offices in Switzerland, Luxembourg, Germany, Dubai UAE

Realistic Competitive Rates.

90 day information/services Guarantee.

Line of Inquiry has Licensed Investigators and Representatives who are Local, National’s and are Based in Country and in most Countries Worldwide – Scroll down to read more

Confidential Private Investigative Enquiries

Problem Solving and Resolution
Risk Analysis and Mitigation

Email : enquiries@loiinvestigations.com

Building the Future

Private Investigator Services

Welcome to Line of Inquiry, your preferred partner in confidential private investigations and hard to obtain factually accurate private and commercial intelligence. We are a UK-based Investigators based throughout the Whole UK. We are group of professional confidential inquiry agents and problem resolution experts equipped to assist private clients, individuals, businesses, and lawyers in the UK and worldwide. Our clients value our trusted, personal service and our made-to-fit solutions that are designed to resolve even the most complex of personal and business challenges.

Pro Bono Cases

Line of Inquiry will in some cases undertake Pro Bono cases such as suspicious disappearance in the UK and Abroad, Criminal Defence cases and Appeals. We aim to undertake seven cases per year.

More Pro Bono information..

Who We Are

We are a group of veteran professional investigators, some with over 30 years experience, some with nine years experience, blending traditional trade-craft with modern investigation techniques.

We have a network of Cyber investigators (Government level trained) Former Police specialist unit surveillance experts and many other skilled experts and well-placed contacts throughout the world.

The partnership came together in 2020 under one business umbrella with the single goal of being the industries leading firm in the investigation space.

We have professional licenced representatives around the world who you can meet in person, with whom you can discuss your confidential matters in private.

Whatever you want to know that is your own private business.

Our business is to get you the information you require discretely undetectably and in strict confidentiality. On your behalf.

Have Achieved

ISO 27001, International Standard for International security Management Systems (ISMS) and ISO 9001 the world’s most recognised Quality Management System (QMS)

 

  • Fully registered with the Information Commissioner’s Office (ICO)
  • Full Members of the Institute of Professional Investigators
  • Full Indemnity Insurance
  • Criminal Record Bureau Checked and Cleared
  • All Reports Court Ready and Fully Admissible Available Immediately (should you need the report at anytime in the future)
  • GDPR Certificated
  • Assessed
  • Qualified
  • Cleared
  • Assessed by the Association of British Investigators)
  • Expert Witness service (UK & International)
  • Equality Policy

– Realistic Competitive Rates

We prosecute fake reviews. We know how to legally trace emails, trace telephone numbers even if the spurious individuals are using VPNs. We will assist in the prosecution of any fake reviews and we can assist you in doing the same. We work closely with a leading London lawyer and QC.

Clients are welcome to visit us in our office. Please make an appointment 24 hours in advance. We have enough space for social distancing.

Alternatively, if you would prefer we could visit you in the office, at your home, venue or outside area anywhere in the UK.

Line of Inquiry has representatives who are licenced, if required in country whom are experienced, qualified, male and female investigators with the exception of Iran, Iraq, Afghanistan, China, and Hong Kong where we do not operate in country. We do operate and have contacts in these regions but do not have an LOI representative permanently in country. Otherwise, LOI will operate in every country in the world. An LOI representative can visit you at any place or meeting place of your choice to discuss your case with a free consultation in total confidence.

Please call +44 800 1 935 777.

London (Head Office)

5 Chancery Lane, London WC2A,1LG, UK
24 hours
0800 1 935 777
+44 800 1 935 777

enquiries@loiinvestigations.com

Switzerland Office :

Line of Inquiry VIA dei Pioppi, 10 (1st Floor)
6616, Losone, Switzerland.

Phone number : 0041 91756 6944

enquiries@loiinvestigations.com

Luxembourg Office :

(Due to the COVID pandemic our Investigators are working from home and do not wish to publish their families home address publicly. However they will meet you wherever you wish, and of course they are contactable by phone and email but please book an appointment through our Swiss Office Phone number 0041 91756 6944, We are open 24×7, 7 days a week)

Email : enquiries@loiinvestigations.com

Germany Office :
Berlin, Frankfurt throughout Germany

(Due to the COVID pandemic our Investigators are working from home and do not wish to publish their families home address publicly. However they will meet you wherever you wish, and of course they are contactable by phone and email but please book an appointment through our Swiss Office Phone number 0041 91756 6944, We are open 24×7, 7 days a week)

Email : enquiries@loiinvestigations.com

Dubai UAE Office :

Dubai UAE Office local law is a business to business Company. For a one to one meeting in regards to a private investigation can be arranged very quickly. In the region with one or more of our local UAE investigators or immediate call. We are open 24×7 , 7 days a week, We can not meet at the office on Friday but clients are welcome to call us on Head office +44800 1935 777 for immediate response

Email : enquiries@loiinvestigations.com

Chancery Lane In London

Classified Services

Our client’s peace of mind is our top priority, which is why we offer a discreet, ethical and strictly classified service. We’re committed to going above and beyond the call of duty, always upholding transparency and operating in complete synchronization with our clients. We strive to provide our clients with a feeling of reassurance, emphasizing exceptional service that continues to set us apart in the world of finding reliable, hard to obtain information in a timely manner.

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Let's Build Something

Clients are welcome to visit us in our office. Please make an appointment 24 hours in advance. We have enough space for social distancing.

Alternatively, if you would prefer we could visit you in the office, at your home, venue, or outside area.

London (Head Office)

5 Chancery Lane, London WC2A,1LG, UK
24 hours
0800 1 935 777
+44 800 1 935 777

Email : enquiries@loiinvestigations.com

Switzerland Office :

Line of Inquiry VIA dei Pioppi, 10 (1st Floor)
6616, Losone, Switzerland,
Phone number 0041 91756 6944

Email : enquiries@loiinvestigations.com

Luxembourg Office :

(Due to the COVID pandemic our Investigators are working from home and do not wish to publish their families home address publicly. However they will meet you wherever you wish, and of course they are contactable by phone and email but please book an appointment through our Swiss Office Phone number 0041 91756 6944, We are open 24x7, 7 days a week)

Email : enquiries@loiinvestigations.com

Germany Office :

Berlin, Frankfurt throughout Germany

(Due to the COVID pandemic our Investigators are working from home and do not wish to publish their families home address publicly. However they will meet you wherever you wish, and of course they are contactable by phone and email but please book an appointment through our Swiss Office Phone number 0041 91756 6944, We are open 24x7, 7 days a week)

Email : enquiries@loiinvestigations.com

Dubai UAE Office :

Dubai UAE Office local law is a business to business Company. For a one to one meeting in regards to a private investigation can be arranged very quickly. In the region with one or more of our local UAE investigators or immediate call. We are open 24x7 , 7 days a week, We can not meet at the office on Friday but clients are welcome to call us on Head office +44800 1935 777 for immediate response

Email : enquiries@loiinvestigations.com