SERVING THE TRUTH SINCE 1991
IDFOX S.r.l. is a highly specialised detective agency, founded with the aim of offering private investigation services of excellence. The agency stands out for its professional approach and the use of the most advanced investigative technologies, guaranteeing concrete results for its clients.
IDFOX S.r.l. was born from the vision of Dr. Margherita Maiellaro and Dr. Max Maiellaro to provide added value in the private investigation sector.
Dr Margherita Maiellaro, owner of the agency, has more than a decade of experience in the field of investigation.
She holds a law degree from Luigi Bocconi University, specialising in international and internet law.
Her expertise has allowed her to work with international and institutional clients in sectors such as IT, insurance, finance, high fashion, corporate fraud, intellectual property protection and unfair competition.
The agency’s founder, Max Maiellaro, has over 40 years’ experience in the investigative field, gained both in the State Police and as a security manager for numerous multinational companies. The former founder of the detective agency Agata Christie Investigazioni, he was a close collaborator of Count Corrado Agusta, former President of the Agusta SpA Group.

Dr. Max Maiellaro & Dr. Margherita Maiellaro
WHY CHOOSE US
Choosing IDFOX means relying on a private investigator with experience, expertise and confidentiality. Our detective agency offers comprehensive support, from initial consultation to case resolution, with tailor-made solutions for every need.
- Always on call: Our 24/7 service allows us to intervene quickly and effectively.
- Privacy, our credo: Protecting privacy is not just an obligation, it is a value we believe in deeply.
- Free quote: We support our clients with a free initial specialised assessment on a case-by-case basis.
- Authorised by the Prefecture of Milan: We are legally authorised to carry out investigations recognised by law.
- Agreement with the Milan Bar Association: We also assist clients in legal proceedings with defensive investigations and evidence gathering.
- Worldwide reliability: We have been operating nationally and internationally since 1991.
HOW WE CONDUCT AN 'INVESTIGATION
Analysis and planning
The investigation begins with a meeting with the client to understand their needs and define the objectives. Preliminary information is gathered and the operational strategy is established, selecting the most appropriate investigative techniques to obtain valid evidence.
Collection of evidence
Gathering Evidence Investigators conduct surveillance, tailing, document analysis and verification of individuals, companies or situations. Advanced technological tools such as photography, video and forensic analysis software may be used to gather concrete evidence.
Verification and documentation
Verification and Documentation All information gathered is analysed to assess its reliability and relevance to the case. A detailed report is then produced with photographic, video and documentary evidence that can be used by the client for personal, business or legal purposes.
Delivery and legal support
Delivery and legal support The investigation file is handed over to the client, who can use it to make informed decisions or present it in court.
If necessary, the investigating agency can provide technical support and testimony in court to validate the evidence gathered.
Investigative Services
Investigation Services IDFOX S.r.l. is an investigative agency authorised by the Prefecture of Milan to carry out private investigations of all kinds.
We offer highly specialised services for individuals and companies.

PRIVATE INVESTIGATIONS
- Child protection
- Matrimonial infidelity
- Credit recovery
CORPORATE INVESTIGATIONS
- Employee absenteeism
- Computer investigations
- Credit recovery
- Separation
DEFENCE INVESTIGATIONS
- Insurance investigations
- Bank investigations
- Commercial investigations
- Law firm investigations
Formazioni e collaborazioni
Training and collaboration IDFOX has been involved for years in the dissemination and training of investigators. Under the direction of Dr. Margherita Maiellaro, we organise training courses in private investigation and criminology, in collaboration with experts specialised in various disciplines.
We actively collaborate with authorities and institutions in order to guarantee the highest level of security and protection for our clients.

JOIN US
F.A.Q.
When an investigative agency is authorised by the Prefecture of Milan, it means that it has obtained an official licence issued by the competent authorities to carry out investigative activities in accordance with the regulations in force.
What does this authorisation mean?
- Legality and compliance - the agency operates in accordance with the Testo Unico delle Leggi di Pubblica Sicurezza (TULPS) and Italian regulations.
- Validity of evidence gathered - Information gathered may be used in judicial and extrajudicial proceedings.
- Validity of evidence gathered - Information gathered may be used in judicial and extrajudicial proceedings.
- Certified professionalism - Investigators must possess specific skills and reliability requirements.
Without this authorisation, any investigative activity would be illegal and not recognised by the competent authorities.
When an investigative agency has an agreement with the Milan Bar Association, it means that it has an official agreement with the Association to provide professional investigative services to registered lawyers.
What does this agreement mean?
- Professional recognition - the agency is trusted to assist lawyers with their investigations.
- Investigations in support of legal cases - the agency provides legal evidence for civil, criminal and administrative cases.
- Working with law firms - working directly with lawyers to gather evidence that will be useful in court.