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

Private Investigator in Maia
Private Investigation Agency Porto
Private Investigation Agency
Maia
Private Detectives Portugal has established a robust operational structure in Maia, specifically designed to address the unique requirements of this municipality and its significant industrial hub. Our local team works in close coordination with our Porto Agency, allowing for seamless resource management and rapid deployment.
We combine an in-depth knowledge of local dynamics with the technical expertise needed to conduct complex investigations, delivering prompt, rigorous, and legally sound results. All operations are supervised by Detetive Alexandre Ribeiro (LIDEPPE Member No. 33), whose leadership ensures the integrity and professionalism that define our firm.
Integrated Coverage
Our operational reach covers the entire Greater Porto area, ensuring our clients receive the same high standards of quality and confidentiality in every location, including Vila Nova de Gaia, Gondomar, Matosinhos, Valongo & Ermesinde, Vila do Conde & Póvoa de Varzim, and Trofa & Santo Tirso.
Regardless of where you require evidence gathering or technical surveillance, our intervention protocol remains perfectly aligned, facilitating an agile, integrated, and cross-municipal response.

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.
Why Choose Our Researchers in Maia?
Working in Maia requires in-depth local knowledge. Our methodology guarantees:
Absolute Secrecy All information shared with us is protected by a strict duty of confidentiality .
Valid Evidence We deliver a robust evidence dossier ( detailed reports with digital support ) usable for individual decisions or legal proceedings.
Speak to our expert consultants today through our private detective agency in Porto and schedule a strictly confidential consultation.
