About Decima
Decima is a Geneva-based, woman-led private investigation and intelligence firm dedicated to clarity in complexity. We provide discreet, cross-border intelligence that empowers corporations, law firms, and private clients to act with confidence.
Our journey of investigative excellence
Founded by women who understand complexity, Decima was built on determination and strategic insight.
Our founders saw a need for discreet, English-speaking investigative services in Switzerland and created a firm where integrity and precision drive every inquiry.
Today, Decima serves clients worldwide, transforming challenging cases into clear, verifiable outcomes.
Delivering clarity through strategic intelligence
We transform complex information into actionable intelligence.Our mission is to provide precise, ethical insights that empower decision-makers and protect their interests.
Global reach – cross-border investigations and multilingual capabilities.
Comprehensive solutions – from due diligence to litigation support.
Trusted expertise – investigations built on accuracy and legal rigor.


Leading the future of global intelligence
Decima aims to set new standards in private investigation, blending Swiss precision with innovative methods.Our vision is to be the most trusted name in ethical, international intelligence.
Core values that define our work
Our principles guide every investigation and guarantee ethical, precise intelligence gathering.
Integrity first – honesty and legality in every action.
Precision always – meticulous research and verifiable findings.
Discretion guaranteed – absolute confidentiality for every client.


Global impact and reach
Our investigations span continents, delivering critical insights for clients across industries and geographies.
Ethical intelligence without compromise
We believe that responsible investigation protects both truth and privacy. Every action we take is guided by strict ethical principles
and respect for individual rights, ensuring intelligence you can trust.

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