Tarkó Investigations logoTARKÓ INVESTIGATIONS
tarko-investigations.com
Business intelligence · Due diligence · Investigative thinking

Do you really know who you're doing business with?

Reduce risk. Verify partners. Make better decisions before assumptions become expensive.

Practical European investigative training for business professionals who need to assess companies, people and information with greater confidence — lawfully, ethically and systematically.

OSINT & source verificationDue diligence & corporate riskGDPR-aware European approachLive English-language training
The business problem

Better information changes better decisions.

A new supplier, investor, executive, partner or acquisition target can look convincing on paper. Investigative thinking helps you test what is visible, identify what is missing and verify what matters.

Verify business partners

Assess public records, corporate information, digital footprints and source consistency.

Reduce counterparty risk

Identify inconsistencies, undisclosed connections and signals that deserve deeper review.

Support compliance

Gather and document information with awareness of GDPR, proportionality and legal boundaries.

Make defensible decisions

Separate assumptions from evidence and build conclusions from multiple corroborating sources.

Choose your route

Learn live — or start immediately.

Both options are built around European investigative methodology, information gathering, verification and professional decision-making.

Recommended

Live Online Course — English

An intensive weekend programme for professionals who want interaction, applied examples, discussion and direct access to the investigative methodology behind the training.

Date28–29 November 2026
FormatLive online
Duration2 × 5 hours
Register for the live course
On demand

Self-Paced Udemy Course

Start immediately with the existing English-language course, Information Gathering and Private Investigation in Europe. Learn at your own pace with structured video lessons, practical examples, quizzes and assignments.

View the Udemy course
What you will work with

Investigative methods with direct business relevance.

OSINT

Open-source research, digital footprints, public records and structured online information gathering.

Source verification

Reliability, corroboration, consistency, triangulation and evidence-based conclusions.

Due diligence

Applying investigative logic to counterparties, organisations, ownership signals and business relationships.

HUMINT principles

Human sources, interviewing logic, credibility assessment and responsible information handling.

GDPR & legal boundaries

European privacy awareness, proportionality, documentation and professional responsibility.

Reporting & decision support

Turning scattered information into a structured, clear and defensible investigative picture.

“The goal is not to collect more information. The goal is to know what can be trusted, what needs verification and what should change your decision.”
Áron Tarkó
European investigative learning

Built on professional investigative expertise.

The programme combines practical learning design with Áron Tarkó’s investigative expertise and research, focusing on information gathering, verification, professional ethics and the European legal environment.

It is relevant far beyond traditional private investigation: compliance, cybersecurity, corporate security, risk management, research, journalism and business decision-making all depend on the ability to verify information.

28–29 November 2026 · Live online · English

Reserve your place.

Submit your details below. Your registration will be recorded separately from the Hungarian course applications.

Early bird price
€199
Valid until 31 October 2026
Regular price
€249
From 1 November 2026
10 hours of live online training · 28–29 November 2026
Payment method
Bank transfer
After submitting the registration form, you will receive the bank transfer details and payment reference on the confirmation page. Your place is confirmed once the payment has been received.

No payment is taken on this page.
Thank you. Your registration has been received. We will contact you with the next steps.