Head Office London UK. Offices based throughout the UK and abroad.

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International Reach

Realistic Competitive Rates.

90 day information/services Guarantee.

All Consultations are Free & without Obligation

STANDARD UK INDUSTRY RATES

WE GET THE RESULTS OTHERS CAN NOT

KNOW WHERE IS FOREIGN TO US

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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 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. Due to the number of investigators, specialist researchers and the number of services line of inquiry provide, we are able to keep fees realistic and no more expensive than any other professional private investigation company. Furthermore we supply all clients with a 90 day information / services full guarantee from the day of the receipt of our final findings to the client. Our clients value our trusted, personal services 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 33 years experience and some with 9-12 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 discreetly 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 whether you are a private individual, sole trader, SME or Corporate. We work closely with a leading London Lawyer and QC who specialise in this area and of course our own in-house Line of Inquiry Cyber Team.

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 an 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 Line of Inquiry representative permanently in country. with the exception of these countries, Line of Inquiry has operatives in every country in the world. An Line of Inquiry representative can visit you at any 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). 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 :

Due to DUBAI LOCAL LAWs, Line of Inquiry, Dubai IS A BUSINESS TO BUSINESS COMPANY. However, we can undertake private and commercial investigations legally within Dubai and the UAE.
 
A ONE TO ONE MEETING CAN BE ARRANGED VERY QUICKLY in dubai WITH ONE OR MORE OF OUR LOCAL UAE INVESTIGATORS. alternatively please CALL us. 
 
WE ARE OPEN 24×7 , 7 DAYS A WEEK. WE are unable to MEET you AT THE OFFICE ON FRIDAYS BUT CLIENTS ARE WELCOME TO CALL our HEAD OFFICE on +44800 1935 777 at anytime.

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 an 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). 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 :

Due to dubai local laws, line of inquiry, dubai is a business to business company. However, we can undertake private and commercial investigations legally within dubai and the uae.

A one to one meeting can be arranged very quickly in dubai with one or more of our local uae investigators. Alternatively please call us.

We are open 24×7 , 7 days a week. We are unable to meet you at the office on fridays but clients are welcome to call our head office on +44800 1935 777 at anytime.

Email : enquiries@loiinvestigations.com