Infidelity Detection - Professional Detective Services for Marital and Relationship Cases
Uncertainty can be more painful than the truth.
When your partner’s behavior changes, distance appears, secrets grow, and your intuition tells you “something isn’t right” – that’s the moment to act.
Detectum Agency specializes in infidelity investigations throughout Poland. We operate discreetly, effectively, and in full compliance with the law and privacy standards. We assist individuals who want reliable evidence of infidelity – photos, recordings, and reports – that can be used in court or in a conversation with a partner.
Professional detective in marital and relationship cases
Many people who have entrusted us with infidelity cases previously felt uneasy but lacked evidence. Here are the most common signs of infidelity we observe in practice:
- change in routine - more frequent outings, “business trips,” late returns,
- hiding the phone - new passwords, abruptly ending calls,
- new appearance - sudden style changes, perfumes, increased self-care,
- lack of intimacy - emotional or physical distance,
- unclear explanations - inconsistent stories, mysterious meetings,
- unexplained expenses - restaurant bills, hotels, gifts,
- aggression or excessive control - attempts to deflect attention.
A single sign does not necessarily indicate infidelity, but a combination of several should prompt a conversation or professional investigation.
Methods used by detectives in infidelity cases
Infidelity detection requires discretion, experience, and precision. Each case is different, so our approach is always tailored individually.
Discreet surveillance
Detectives conduct surveillance of a person suspected of infidelity – on foot, in a car, or using optical equipment. We collect data on locations, meetings, and contacts.
Photo and video documentation
We create evidence of infidelity in the form of photographs and recordings confirming the partner’s actual behavior. The materials are dated and can be used in court.
Background and environmental inquiries
We collect information from people around us – discreetly, without revealing the source of the inquiry.
Digital analysis and forensic IT
If necessary, we work with IT experts who help recover data from devices and applications, always within the limits of the law.
Alibi verification
We check whether the partner actually stayed where he declared – using monitoring, GPS or team observation.
All activities are conducted by licensed detectives in accordance with applicable laws.
Evidence documentation - photos, recordings, legal reports
Evidence is a key element in any infidelity case. At Detectum, we prepare a complete documentation package that can be used in legal proceedings:
- photos and video recordings with date, time, and description,
- detailed detective report,
- documentation confirming legal compliance,
- materials in digital or printed form.
Reports are clear, chronological, and factual – and can serve as valid evidence in divorce and financial cases.
Costs and stages of an infidelity investigation
The cost depends on observation time, location, number of detectives, and equipment used. We always present a full cost estimate before starting.
Consultation
Free discussion to understand the situation and possible actions.
Action plan
Selection of methods, schedule, and scope of surveillance.
Execution
Discreet observation and evidence collection.
Final report
Delivery of photos, recordings, and written report.
Legal guidance
Provided as part of combined services – both investigative and legal support.
Transparency and trust – no hidden costs, full confidentiality, and legal compliance.
FAQ - frequently asked questions
Are the evidence materials obtained by a detective legal?
Yes, all activities are carried out in accordance with the law and the materials can be used in court.
How long does it take to confirm infidelity?
Usually from a few days to a few weeks – depending on the situation and the possibility of observation.
Will my partner find out about the surveillance?
No. We work completely discreetly and professionally.
Can I consult anonymously?
Yes, the first conversation is completely confidential and non-binding.
Does Detectum operate throughout Poland?
Yes, we handle cases nationwide through our network of licensed investigators.
Sample cases (anonymous)
Case 1
“Business trips that never existed”
A client requested surveillance of her husband, who frequently traveled “for work.” Within three days, it was established that he was meeting another woman. Photos and recordings confirmed the infidelity.
Case 2
“The phone that revealed everything”
Behavioral analysis and observation of a partner provided clear evidence of infidelity. The report was used in divorce proceedings.
Case 3
“A double life”
Detectives determined that the client’s wife had rented a second apartment. The collected evidence confirmed infidelity in court.