Only the right path leads to the solution.

Compliance breaches – we’re here to support you!

We perform customized investigative work and information acquisition, securing evidence in the event of damage.

We place our main focus in this area on the investigation of patent, trademark, and design right infringement, as well as competition law.

 

Public figures have commissioned us to identify the source of reputation-damaging comments and statements. We were successful in ascertaining the responsible parties.

On 28 June 1948, DETEKTEI-HOLLER was founded as a one-man business in Bielefeld by Karl Holler.

Karl Holler not only led his detective agency from its humble beginnings to a successful business, he was also one of the first members of today’s

Bundesverband Deutscher Detektive e.V.  (federal association of German detectives) and simultaneously served as its president.

 

FSPD Fachverband Schweizerischer Privat-Detektive

 

ÖDV

Österreichischer Detektiv-Verband

 

W.A.D.

World Association of Detectives, Inc.

 

Affiliated to

Int. Kommission der Detektivverbände

 

Allianz für Sicherheit in der Wirtschaft Baden- Württemberg e.V.

 

Allianz für Sicherheit in der Wirtschaft Nordrhein-Westfalen e.V.

If you would like personal advice, have questions about our services or specific concerns, you can contact us by phone, e-mail or fax using the contact information below.

 

Holler Research GmbH

Beckhausstr. 168

33611 Bielefeld

Germany

 

Phone: +49 521 821 60

Fax: +49 521 874 945

Office@Holler-Research.com

Since our establishment, we have been successful in our efforts to protect the entrepreneurial and competitive goals of our clients internally and externally, sheltering them nationally and internationally from damage  through  appropriate

and efficient investigative approaches.

 

We are a well-coordinated team and, as such, conduct customized investigations and secure relevant information and evidence.

Our investigations demonstrate our very own signature. Owing to this and the discrete nature of our work, many of our customer relations have become trusting relationships over three generations.

Compliance breaches – we’re here to support you!

We perform customized investi-gative work and information acquisition, securing evidence in the event of damage.

We place our main focus in this area on the investigation of patent, trademark, and design right infringement, as well as competition law.

 

Public figures have commissioned us to identify the source of reputation-damaging comments and statements. We were successful in ascertaining the responsible parties.

On 28 June 1948, DETEKTEI-HOLLER was founded as a one-man business in Bielefeld by Karl Holler.

Karl Holler not only led his detective agency from its humble beginnings to a successful business, he was also one of the first members of today’s .................

Bundesverband Deutscher Detektive e.V.  (federal association of German detectives) and simultaneously served as its president.

Since our establishment, we have been successful in our efforts to protect the entrepreneurial and competitive goals of our clients internally and externally, sheltering them nationally and internationally     from     damage

through  appropriate and efficient investigative approaches.

 

We are a well-coordinated team and, as such, conduct customized investigations and secure relevant information and evidence.

Our investigations demonstrate our very own signature. Owing to this and the discrete nature of our work, many of our customer relations have become trusting relationships over three generations.

Only the right path leads to the solution.

On 28 June 1948, DETEKTEI-HOLLER was founded as a one-man business in Bielefeld by Karl Holler.


Karl Holler not only led his detective agency from its humble beginnings to a successful business, he was also one of the first members of today’s Bundesverband Deutscher Detektive e.V.  (federal association of German detectives) and simultaneously served as its president.

Since our establishment, we have been successful in our efforts to protect the entrepreneurial and competitive goals of our clients internally and externally, sheltering them nationally and internationally from damage through  appropriate and efficient investigative approaches.

 

We are a well-coordinated team and, as such, conduct customized investigations and secure relevant information and evidence.