Empowering Businesses and Individuals with Actionable Intelligence Worldwide

Since 2012







    Discreet and Trusted Service

    Discretion is at the heart of what we do. Whether you're a high-profile individual or solicitor, we ensure that your project is 100% confidential.

    UK and International Coverage

    Based in the UK, we serve clients nationwide and across international borders, ensuring seamless intelligence solutions wherever you are.

    Experienced and Professional Staff

    Established in 2012, our investigators bring years of experience delivering high-quality intelligence and investigation services across the UK and Europe.

    Cost-Effective Intelligence Solutions

    We offer competitive pricing without compromising the quality of service, providing high-level intelligence solutions that fit everyone's budget.

    What we do best


    01
    01

    Dion International Ltd offers specialised Insider Risk and Insider Threat Services across the UK, providing organisations with comprehensive solutions to detect, assess, and mitigate internal threats. Insider threats can pose significant security risks, whether through …

    Read more

    02
    02

    In today’s digital age, the theft and misuse of intellectual property (IP) have become a growing concern for businesses, creatives, and organisations across the globe. Dion International Ltd offers comprehensive Copyright Infringement Investigation Services designed …

    Read more

    03
    03

    Dion International Ltd offers professional Insurance Investigation Services across the UK, specialising in personal injury claim investigations for insurance providers. Our team of professional investigators conducts thorough, discreet covert surveillance to verify the validity of …

    Read more

    04
    04

    Those trained in covert operations are specially trained to blend in and cope with rural landscapes, so no matter what kind of crime is occurring in your area we can protect your land, livestock, machinery, …

    Read more

    05
    05

    Businesses operate successfully in a competitive market by having something unique. Whether it’s a product idea, process or market research data, the information you use to set your business above the rest is valuable to …

    Read more

    06
    06

    Dion International Ltd provides professional Covert Surveillance Services across the UK and Europe, offering discreet and effective solutions for private individuals, businesses, and legal professionals. Our team of experienced surveillance specialists are trained to operate …

    Read more

    07
    07

    Fraud is any type of dishonest act intended to provide someone with an unfair advantage over another. The term corporate fraud investigation refers to cases in which a company or organisation is involved. As part …

    Read more

    08
    08

    A process server is used to give legal notice to a person of a court’s intention to make them a party to a claim so as to enable them to respond to the proceedings before …

    Read more

    09
    09

    Dion International Ltd provides expert Corporate Investigation services across the UK, supporting businesses with discreet and effective solutions to address internal and external risks. Our team of experienced investigators works alongside corporations to investigate fraud, …

    Read more

    10
    10

    At Dion International Ltd, we provide first-class corporate surveillance services that are both reliable and discreet. We specialise in physical and technical surveillance in both rural and urban environments to ensure the safety and security …

    Read more

    Welcome to the Family


    Private Investigator UK

    At Dion International, we provide discreet and professional private investigation services across the UK and Europe, offering tailored solutions for individuals, businesses, and organisations. Our team of highly experienced private investigators in the UK, with backgrounds in military and law enforcement, operate nationwide to deliver reliable and effective investigation services. Whether you’re looking for corporate surveillance, background checks, fraud investigations, or drone surveillance our expert team is here to uncover the truth, providing actionable evidence in both personal and corporate cases.

    We offer comprehensive private investigation services across Scotland including major cities such as Edinburgh, Glasgow, Aberdeen, Falkirk and Inverness.  We have private investigators in England including areas such as London, Newcastle, Manchester, Bristol and York. Our team understands the importance of discretion, particularly in high-profile investigations, and works diligently to protect your privacy while delivering accurate results. Whether it’s an unfaithful partner or a corporate inquiry, our services are tailored to meet your unique needs.

    At Dion International, we take a bespoke approach to every investigation. We work closely with our clients to understand their specific requirements and develop a strategy that delivers the best results. From tracing agents locating someone from a number to covert surveillance operations, our private investigators in the UK are committed to providing you with the evidence and peace of mind you need to make informed decisions.

    Who We Work For & Where We Operate


    01
    01

    Executive Solutions All Under One Roof for Corporate Clients in the UK In today’s fast-paced and ever-evolving corporate environment, businesses are faced with a wide range of security challenges and legal issues that require specialised expertise. …

    Read more

    02
    02

    Executive Security Solutions All Under One Roof for Private Clients in the UK Dion International has established a formidable reputation as a dependable provider of top-notch personal security and private investigation services for private clients over the years. Our services …

    Read more

    03
    03

    Executive Solutions All Under One Roof for Legal Firms Across the UK International organisations across the UK and abroad consider Dion International as Scotland’s best detective agency, why? Because our experienced private investigators find effective solutions …

    Read more

    04
    04

    Executive Solutions All Under One Roof for Housing Associations in the UK International organisations across the UK and abroad consider Dion International as Scotland’s best executive security company, why? Because our experienced operatives find effective solutions …

    Read more

    05
    05

    Executive Security Solutions All Under One Roof for Local Authority in the UK Our officers will guide our clients to make informed decisions that safeguard their people, assets, and reputation. We have the knowledge, expertise, and …

    Read more

    Uncover the truth


    Corporate and Specialist Investigation Services Across the UK

    Our corporate investigation services help businesses across the UK tackle internal and external risks. Whether your company is based in London, Liverpool, Glasgow, or Stirling, we offer professional investigation services designed to protect your assets, reputation, and staff. From corporate surveillance to due diligence, our expert private investigators specialise in uncovering fraudulent activities and safeguarding business operations.

    We conduct investigations in various sectors, including finance, oil and gas, and technology, where protecting sensitive information is critical. Our services include counter surveillance and anti stalking investigations, online dating and romance scams, background checks, corporate fraud investigations, insider threat detection, bug sweeps and fly tipping. With experience in handling investigations in cities such as Bristol, Edinburgh, Birmingham and Perth, we ensure that you and your business are protected, regardless of the location.

    At Dion International, we understand that every investigation is unique, and confidentiality is key, especially when dealing with high-net-worth individuals and businesses in prestigious areas across the UK. Whether you’re based in Edinburgh or Northern Ireland, Belfast or Newcastle we provide discreet and efficient investigation services to ensure your business and personal interests are safeguarded. From litigation support in Aberdeen to insurance fraud investigations in Manchester and virtual private investigator services in Wales, our UK team of private investigators are here to help you navigate even the most complex investigations with ease.

    Technical Services


    01
    01

    Computer forensics, also known as digital forensics, is a branch of forensic science that involves collecting, preserving, analysing, and presenting electronic data for use in legal proceedings. Computer forensics experts use various tools and techniques …

    Read more

    02
    02

    Dion International Ltd offers comprehensive Electronic Bug Sweep services across the UK, specialising in the detection and removal of covert surveillance devices for individuals, businesses, and high-profile clients. Our team of TSCM (Technical Surveillance Countermeasures) …

    Read more

    03
    03

    Dion International Ltd based in Edinburgh, Scotland offers expert Tracing Agent services across the UK, specialising in locating missing persons, debtors, and hard-to-find individuals. Our professional team of tracing agents use advanced techniques, databases, and …

    Read more

    04
    04

    Vehicle GPS real-time tracking services allows live tracking of a subject over a period of time without the expense of a full team of private investigators. In the UK, GPS trackers are commonly used as …

    Read more

    05
    05

    In a world driven by vast amounts of publicly available data, organisations and individuals need expert guidance to harness this information and turn it into actionable intelligence. Dion International Ltd provides comprehensive OSINT (Open Source …

    Read more

    06
    06

    Dion International Ltd offers specialist Covert Camera Services across the UK, providing customised, discreet surveillance solutions for intelligence gathering, security operations, and investigations. Our covert camera systems are designed, built, and installed by experts to …

    Read more

    07
    07

    Dion International Ltd offers cutting-edge drone surveillance and security services across Scotland and the UK, providing innovative solutions for private investigations and enhanced security operations. Our advanced drone technology allows for discreet surveillance, thorough property …

    Read more

    Professional Private Investigators UK


    UK Private Investigator Trusted Expertise Across the Nation

    The United Kingdom is rich in landmarks and historical sites, showcasing its diverse cultural heritage. Iconic landmarks like the Tower of London, Edinburgh Castle, and Stonehenge reflect its storied past, while cities such as London, Edinburgh, Cardiff, and Belfast each contribute unique architectural and cultural significance. These landmarks, ranging from medieval castles to modern attractions like the London Eye, symbolize the UK’s blend of history and innovation.

    The private investigation profession in the UK traces its roots back to the 19th century. Early private detectives in the UK often assisted businesses with fraud investigations and supported law enforcement with cases requiring discretion. Over time, the field has evolved with advancements in surveillance technology and access to digital resources, enabling modern investigators to tackle complex cases, from cybercrime and corporate espionage to tackling raptor killings, infidelity and quarry theft prevention.

    A Crime Survey for England and Wales reported an estimated 8.8 million crimes, including fraud, computer misuse, and violent offences. Notably, fraud remains one of the most prevalent issues, affecting 5.7% of individuals surveyed. Knife crime and other violent offences have shown increases in some areas, while theft and burglary rates have declined compared to previous decades. This underscores the growing complexity of modern crime, often requiring specialised private investigators to support victims and businesses in navigating legal and personal challenges​

    UK Private Investigators Q&A


    What is a private investigator?

    A private investigator in the United Kingdom is a professional who conducts discreet investigations, gathering evidence for legal, personal, or business matters. Need expert help? Learn what a private investigator is here.

    Who needs a private investigator?

    Anyone facing legal disputes, fraud concerns, background checks, or missing person cases may need a private investigator in the UK. Find out if an investigator is right for you. Read more about who would need a private investigator here.

    How much does a private investigator cost?

    Private Investigator prices in the UK vary depending on the case but typically range from £35.00 to £275.00 per hour. We offer clear pricing through our “Free Estimate” tool and provide daily rate packages.  Learn how much a private investigator will cost here.

    When should I hire a private investigator?

    If you suspect fraud, need surveillance, or require legal evidence, hiring a private investigator in the UK early can be crucial. Don’t wait – Discover when you should hire a private investigator here.

    Where do I hire a private investigator?

    Finding a reliable UK private investigator is key. Choose an experienced professional to ensure discretion and results. See how to hire a private investigator here.

    Are private investigators legal in the United Kingdom?

    Yes, private investigators in the UK operate legally under GDPR, RIPA and other regulations. They must follow strict legal guidelines to ensure all actions are admissible in court. Read more about the risks of hiring the wrong private investigator here.

    Contact us


    Dion International provides bespoke intelligence solutions that are proactive, reliable, and precisely tailored to your requirements. Whether it’s covert surveillance, digital forensics, or discreet fraud investigations, our team is ready to craft strategies that perfectly align with your needs. Contact us now to develop a personalised plan that ensures the ultimate protection for reputation and brand, wherever you are in the world.

    Play Cover Track Title
    Track Authors