Alexandre Ribeiro – Certified Private Investigator
LIDEPPE | WAD | IKD | APDPE
24/7 Confidentiality

Private Investigator in Oeiras
Private Investigation Agency
Private Investigation Agency
Oeiras
Private Detectives Portugal maintains a solid presence in Oeiras, with a dedicated team prepared to handle the diverse challenges of this region, known for its strong business and residential dynamism. Our local unit operates in perfect harmony with our Lisbon Agency, allowing for streamlined logistics and rapid mobilization of resources throughout the coastal line.
We blend an accurate reading of the local landscape with the technology required for the success of complex investigations, ensuring discreet, prompt, and legally sound results. All operations are directed by Detetive Alexandre Ribeiro (LIDEPPE Member No. 33), whose experience is the guarantee of the rigor and ethics that define our firm.
Investigation Coverage and Geographic Relevance in Oeiras
Our strategic location in Oeiras guarantees rapid and effective operational control over key local hubs and traffic axes, providing agile monitoring of the Cascais coust line, the A5 highway, and the region's main business and technology parks.
This tactical proximity allows our field agents, under the leadership of Private Investigator Alexandre Ribeiro, to operate in perfect harmony and direct coordination with our specialized teams in Cascais and Sintra.
This integrated intelligence network ensures maximum discretion and success, allowing for an immediate response to investigations that extend to Lisbon or the south bank in Almada, upholding the elite standards synonymous with our agency’s reputation.

Private Investigation Services
We operate in 11 types of service
We operate in throughtout the whole country across four areas of technical specialization . Our 11 services are structured into 4 types of investigations, guaranteeing solid evidence and the strictest professional confidentiality throughout the country. You can choose the one that best suits your situation here.

Private Investigation

Business Intelligence
Cases of marital infidelity, child custody, and questionable behavior requiring discreet surveillance.
Employee investigations, unfair competition, internal theft, and industrial counter-espionage.

Asset Investigation
Locating assets, hidden assets, and debtors for legal proceedings and inheritances.
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Technological Investigations
Detection of wiretaps, hidden cameras, and digital forensics on mobile devices and computers.
Evidence Dossier with Legal Validity
All photographic and video evidence, as well as data collected during field surveillance, are compiled into a detailed written report . This final dossier possesses complete substance and validity to support personal decision-making or to serve as supporting evidence in legal proceedings and judicial processes.
Put an end to the uncertainty and contact our Private Detective agency in Lisbon today for a strictly confidential consultation.
Private Investigators Oeiras
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