Private Detective Agency NAS-Group Ltd

Detective Agency NAS-Group in its present form is registered as a limited liability company with its headquarter, located in Sofia. The Agency is one of the founders of the only official association in detective society in Bulgaria - Detective Association (DA).

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Personal (Family) Detective Service

All kind of Personal Detective Service

Corporate Detective Services

Full spectrum of professional detective services for your company.


We can provide consultations for you with experts from all areas of activity,
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Meet the team

Detective Agency NAS-Group maintains a minimum staff, due to our specific activities. Along with it we have a wide network of partners in all social and technical areas - lawyers, IT specialists, finance and accounting specialists, criminologists and even artists.

We have all the necessary resources to meet your expectations!

We proudly announce that we maintain excellent connections with our colleagues from Detective Association in Sofia including provinces in the entire countty. This makes our work with you much easier, quicker and convenient.

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Picture of N. Stoyanov

N. Stoyanov

Manager and Co-founder of the agency.

+359 889 917267

Picture of At. Borisov
Team leader

At. Borisov

Team leader of detective agency NAS-Group.
Co-founder of the company.

Picture of St. Georgiev

St. Georgiev

Head of Communications of NAS-Group.
Co-founder of the company.

Our Pathway


We are passionate about the truth and providing successful outcomes for our clients. Our promise to all our clients is to offer the very best detective services and to consistently exceed your expectations.