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s i a n d i s

who          we are

SIANDIS is an international private intelligence and security company.
 We operate where information, time, and discretion determine the outcome. We provide strategic intelligence, specialized analytical support, and security solutions in high-risk environments with critical consequences. Our clients face complex threats and decisions whose impacts cannot be underestimated.
In such situations, it's crucial to have a reliable and discreet partner by your side—one who works with precise information, understands the context, and keeps the entire process under control. We don't deal in assumptions.
We acquire, analyze, and connect information that's not commonly available.
 Our goal isn't just to inform—it's to provide a strategic advantage.

former members
of specialized
security and
intelligence structures

3

Member of three top global investigative associations

5

Our global reach extends across five continents

30+

more than thirty years of experience

50+

Our global network covers 50+ countries

methodologies

Intelligence approach.

Analytical precision.

Full information control.

​We employ an integrated intelligence methodology based on OSINT, HUMINT, and technical analytics, with full control over the flow of information. OSINT – systematic analysis of open sources, including non-publicly indexed and hard-to-access data ​ HUMINT – field intelligence gathered through vetted contacts and sources ​ SIGINT – signals analysis, network surveillance, and technical indicators ​ Advanced analytics – behavior modeling and prediction of future developments ​ Network and relationship analysis – correlation and relational mapping of actors, structures, and influences ​ Data and geolocation models – multidimensional analytics, working with large datasets and spatial context

structure

SIANDIS is formed by a closed team of experts with experience in intelligence, security, and investigative structures. We act precisely and discreetly. Our work is organized modularly, goal-driven, and carried out with full information control over both the process and the outcome. + Our capacities are built multidisciplinarily and include: + Intelligence and analytical specialists with operational experience + Investigators and evidence examination experts + Crisis management, negotiation, and legal support specialists + Cybersecurity threat and digital forensics specialists + Operational consultants active in the field in an international context

operational presence

SIANDIS operates globally through a vetted network of partners and experts across continents.
 We have the capacity to operate even in environments with extraordinary political, security, and legislative requirements, backed by local infrastructure and technical readiness for rapid deployment based on the nature and urgency of the task. We are members of professional associations WAPI (World Association of Professional Investigators), ABI (Association of British Investigators), and WAD (World Association of Detectives – based in the USA). We utilize non-public databases and local sources, which we systematically integrate with analytical and intelligence outputs. Our work requires absolute discretion, cultural sensitivity, and deep understanding of local dynamics. We apply these principles without exception. Our global operations primarily include: + Investigative inquiries and due diligence in an international context + Protection of clients and their interests when moving in risk-prone regions + Intelligence and analytical support for legal and decision-making processes with international reach + Crisis intelligence from conflict, unstable, or corruption-burdened areas

leadership

Martin Baťha

Managing Partner

Investigation & Private

Intelligence

Martin Batha

Martin Baťha brings more than thirty-five years of experience in the security field. He began his professional career with the Criminal Police Service of the Police of the Czech Republic, where he served for twelve years. Since 2002, he has worked as a private investigator under the brand Detective agency - martin BATHA (detectiv.cz), one of the leading Czech companies specializing in private investigation and operational investigative activities. 2007 marked the founding of mB Investigation, s. r. o., further expanding the range of security services offered. Throughout his professional career, he has led and carried out investigative and operational activities not only in the Czech Republic but also in numerous foreign jurisdictions across Europe, Asia, Africa, and North and South America. For a long time now, his work has focused on cases with an international dimension that require cross-border coordination, discretion, and systematic work with information. Clients benefit from his more than three decades of experience in private investigation, his investigative mindset, and an ability to obtain, verify, and evaluate information useful for strategic decision-making in an international environment.

Petr Vopršal

Managing Partner

Strategic & Analytical

Intelligence

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Petr Vopršal's experience is drawn from more than three decades of service in specialized units of the Police of the Czech Republic, where he focused on economic crime, organized crime, and criminal intelligence methods (Intelligence-Led Policing – ILP). During his career, he held leadership positions and helped build specialized agendas within the unit in the area of human trafficking, as well as a special unit focused on Asian criminal structures. Subsequently, he headed the Department of Organized Crime Structures, capping off his career with a leadership role at the National Anti-Organized Crime Centre. Since 2022, he has worked in the civilian sector, where he applies his operational and intelligence experience to strategic intelligence, complex analysis, and risk management. Areas of specialization include identifying hidden connections, assessing complex threats, and supporting strategic decision-making in environments where information, precision, and discretion are decisive. Clients benefit from his experience in top-level security environments, analytical expertise, and an ability to translate complex information into strategic decisions.

David Hošek

Managing Partner

Operational activities

& Personal protection

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David Hošek spent more than fifteen years working in specialized security services, where he provided personal protection, operational support, and the execution of special tasks in high-risk environments. Throughout his professional career, he took part in protecting Czech and foreign government officials, diplomats, and other protected persons, including witness protection. His experience also included operational, intelligence, and information-gathering activities, work with sensitive information, and support for investigations into serious crime. Long-term specialized training under former members of elite international security and military units further developed his professional expertise, with a focus on personal protection, operational activities, strategic intelligence support, and the management of security situations in environments where discretion, precision, and accurate risk assessment are decisive. Clients benefit from his combination of operational experience, security discipline, and a strategic approach to personal protection, risk management, and the resolution of sensitive security situations.

clientele & confidentiality

Our services are not publicly offered.
We establish cooperation selectively, based on trust and the nature of the assignment. Every project is executed in a regime of strict confidentiality. 
Access to information is governed by the principle of necessity and protected by contractual non-disclosure obligations. We primarily collaborate with: + Government institutions and defense organizations + Strategically significant corporations + Law firms and specialized advisory teams + Private investors, family investment structures, and high-profile individuals

ethics

/Integrity code we embody

Confidentiality and discretion

All information, documents, findings, and client communications are considered strictly confidential. We apply the principle of non-disclosure without exception—during cooperation and after its termination. Our personnel are bound by personal responsibility, contractual obligations, and internal ethical standards.

Operations in full legal compliance

All our activities take place within the applicable legislation of the relevant jurisdiction. We respect local laws, international standards, and established legal frameworks.

Precise & accountable results

We provide only verified, relevant, and actionable information for decision-making processes. We do not distort facts or adapt them to expectations.

We act exclusively in the client's interest and consistently reject any conflicts of interest. We do not accept assignments that are unethical, instrumental, or potentially harmful.

We do not use pressure, manipulation, or procedures that endanger human dignity or violate third-party rights.
Every assignment is assessed for legitimacy and ethics.

Internal integrity & oversight

Integrity is the foundation of every one of our steps. It ensures that our work is not only accurate but also ethically responsible.

We regard reputation as a key asset, which we protect with the utmost care. We handle it responsibly, as it reflects our history and is the reason people entrust us with their confidence.

Need information
beyond the public domain?
Contact us.
Discreetly. Without a trace. Without publicity.

Logo Siandis

© 2025 Siandis. Made by Noys

contact

Contact us for a confidential consultation. We'll review your assignment and propose next steps.

Siandis

Ke Skalkám 3249/22, Prague 10
+420 723 634 499

+420 211 154 422

office@siandis.cz

Siandis s.r.o.

Praha 1, Rybná 716/24

IČO | 08530106
DIČ | CZ08530106

At Siandis, confidentiality is paramount.

Due to the sensitive nature of our operations and client engagements, we do not disclose specific case details, identities, or operational outcomes publicly. All inquiries and collaborations are handled with the highest level of discretion and security.

© 2026 Siandis. Made by Noys

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