Looking for a trusted private investigator in Europe? From covert surveillance to people tracing and counter espionage, Dion International work diligently to uncover the truth for our clients.
Operating across Europe since 2012, Dion International’s experienced private investigators are dedicated to delivering discreet, lawful, and effective investigative services to our international clients and partners, particularly from the United States, who require reliable and legally compliant investigative support overseas. Whether that’s covert surveillance or corporate fraud investigations, we provide reliable solutions tailored to your specific needs.
Our private investigators are highly trained specialists, skilled in gathering intelligence, uncovering information, and providing clarity in complex situations. With decades of experience, and an unwavering commitment, Dion International ensures you receive the answers you need with the utmost care and attention.
At Dion International, we uphold the same standards of professionalism and integrity in Europe as we do in the United Kingdom. Every investigation we undertake abroad is conducted lawfully, ethically, and within the legal framework of the country we operate, ensuring that all intelligence gathered is proportionate, admissible, and defensible.
Experienced European Operatives – Our international investigation team includes experienced professionals from British government backgrounds. This enables us to manage complex assignments efficiently, even across multiple jurisdictions, while maintaining strict adherence to both local and international law.
Compliance with Regional Legislation – We operate in full accordance with the UK Data Protection Act 2018, UK GDPR, and, where applicable, the EU General Data Protection Regulation (GDPR). Our investigators also respect the privacy, surveillance, and communications laws of each European jurisdiction we operate in. All operations are risk assessed and authorised internally before deployment, ensuring that every case meets the required legal and ethical standards.
Discretion and Confidentiality – We understand that privacy and discretion are critical, especially for international clients. Whether conducting surveillance, asset tracing, or background checks, we handle every case with the utmost care, ensuring data is protected and client confidentiality is never compromised.
Accurate and Transparent Reporting – Every investigation concludes with a detailed, professionally formatted report. Each includes verified findings, photographic or digital evidence, and clear summaries suitable for use in legal, corporate, or personal decision making contexts.
Dion International’s private detective agency provides professional investigation and intelligence services for clients worldwide, including businesses, law firms, and private individuals.
International private clients contact us when they require discreet investigations across European cities, such as when a husband, wife, or partner is visiting Europe and suspicions of infidelity arise. We conduct cheating partner and matrimonial investigations with absolute discretion, providing clarity in emotionally sensitive situations.
Corporate clients rely on Dion International for brand protection, corporate investigations, fraud detection, and due diligence. Our team assists with verifying business partners, identifying insider threats, and investigating employee misconduct in compliance with both UK and EU law.
Legal professionals and insurers engage us for personal injury surveillance, asset tracing, and open-source intelligence (OSINT) to obtain accurate, court-ready evidence. Our operatives are skilled at navigating different European jurisdictions to ensure every investigation meets evidential and legal standards.
From our base in the United Kingdom, Dion International coordinates and conducts lawful investigations across key European regions, while some operations are managed via our trusted local partners, including:
United Kingdom – Scotland, England, Wales, Northern Ireland
France – Paris, Lyon, Marseille
Germany – Berlin, Munich, Frankfurt
Spain – Madrid, Barcelona, Valencia
Italy – Rome, Milan, Naples
Netherlands – Amsterdam, Rotterdam, The Hague
Every operation is conducted within the legal framework of the country in which it takes place, ensuring compliance with national laws, data protection requirements, and privacy standards.
Discreet, intelligence-led covert surveillance operations conducted by experienced professionals to gather actionable evidence with absolute confidentiality.
Advanced investigative solutions to safeguard businesses from internal threats, intellectual property theft, and corporate espionage risks, wherever you are in the world.
Comprehensive evidence collection to support personal injury claims, verify incidents, and expose fraudulent cases with precision and professionalism.
Precision-driven investigations to locate missing persons, debtors, witnesses, or lost contacts, ensuring swift and reliable for individuals and businesses around the globe.
Advanced Technical Surveillance Countermeasures to detect and neutralise hidden recording devices, ensuring your privacy and security remain uncompromised.
In-depth verification of individuals and businesses to help you mitigate risks, confirm credibility, and support informed decision-making.
Choosing the right private investigation company is essential for achieving reliable results. At Dion International, our private investigators combine experience, legal awareness, and discretion to deliver trusted solutions for every case.
Proven Expertise – Our private investigators in Europe are specialists in complex investigations across legal, financial, and commercial sectors. From corporate fraud and asset tracing to matrimonial surveillance and due diligence checks, we provide clear, actionable intelligence. Clients benefit from our deep understanding of Europe’s professional landscape and our proven track record in delivering results that withstand scrutiny.
Regulatory Compliance – We operate with full awareness of UK and European law, ensuring all investigative methods meet strict regulatory standards. Every aspect of our work from covert surveillance and data handling to evidence reporting is conducted to ensure legal admissibility. Our commitment to compliance protects both the integrity of the investigation and the interests of our international clients.
Confidentiality Assured – Discretion is central to everything we do. We maintain the highest levels of confidentiality, protecting client identities, sensitive information, and the details of each case. Our investigators in Europe are trained in covert operations and data protection best practices, ensuring that confidentiality is never compromised.
Clear Reporting – Our clients around the globe receive detailed and transparent reporting that turns complex information into actionable insight. Our reports include a concise summary of findings, documented evidence, and professional recommendations where applicable. Every report is designed to support legal processes, internal reviews, or personal decisions with confidence.
Hiring a private investigator in Europe from Dion International is essential when you face situations requiring discreet, lawful, and evidence based intelligence. Our team supports clients during sensitive personal, corporate, and legal matters where confidentiality and accuracy are critical.
International clients should consider hiring Dion International when:
• A spouse, partner, or employee is travelling or residing in Europe and suspicions arise.
• Business dealings, investments, or partnerships in Europe require verification or due diligence.
• You believe your business may be at risk from fraud, espionage, insider threats, or employee misconduct.
• Evidence is needed for civil, criminal, or corporate proceedings across jurisdictions.
• You require protective surveillance due to harassment or need tracing services, rural surveillance, or digital forensic investigations to uncover facts discreetly.
• Discretion, legality, and cross-border expertise are essential.
When uncertainty spans borders, Dion International provides the trusted, lawful, and confidential solutions you need. If you’re unsure which approach best suits your circumstances, our European enquiry agents can offer confidential guidance and recommend the most appropriate service.
Every investigation we undertake follows a structured and transparent process. From the initial consultation to the final report, our team ensures each stage is managed with precision, confidentiality, and full legal compliance.
Initial Consultation – From our local office in Edinburgh, all investigations begin with a confidential consultation to understand your objectives and the nature of the case. This allows us to assess feasibility, gather essential background information, and provide clear guidance on the best approach.
Investigation Plan – Following your consultation, we prepare a tailored investigation plan that outlines the strategy, timeline, and estimated costs. The plan ensures transparency and alignment with client expectations before any fieldwork begins.
Deployment – Our operatives conduct the investigation discreetly and professionally, using a combination of surveillance, intelligence gathering, and research techniques. All operations in Europe are executed within legal and ethical boundaries of the land we operate to preserve evidence integrity.
Analysis & Reporting – After fieldwork is complete, our team analyses all gathered material to identify relevant findings. A comprehensive, evidence based report is then produced, clearly outlining outcomes and supporting materials such as photographs, timestamps, or digital data.
Ongoing Support – We continue to support our clients beyond the final report, offering follow-up investigations, legal testimony, or strategic advice when required. Whether assisting solicitors in court or helping clients pursue further action, we remain a trusted partner throughout the entire process.
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The cost of hiring a private investigator in Europe depends on the specifics of your case. Factors such as complexity, duration, and the resources required determine the price. At Dion International, we offer tailored solutions with transparent pricing. Contact us today for a free 30-minute consultation.
Yes, private investigators are legal in Scotland and across the UK, provided they operate within the law. Dion International strictly follows UK regulations, including the Data Protection Act 2018 and GDPR. In some jurisdictions across Europe we may have to coordinate with our local trusted partners, ensuring that all investigations are compliant, ethical, and professional.
When searching for a private investigator in Europe look for a registered investigator with expertise in your case type (e.g., personal injury surveillance, infidelity, or missing persons). Check reviews, testimonials, and case studies for reliability. Ensure they offer clear pricing and a confidential consultation before hiring.
