Legal Notice
This is a courtesy translation. The German version of this legal notice is the legally binding one under German law (§ 5 DDG).
Information pursuant to § 5 DDG (German Digital Services Act)
Saša Kostadinović
K5Ingenieure — Building Services & Energy Engineering
Harkortstraße 5
12105 Berlin, Germany
Contact
Phone: +49 30 40 98 23 15
Email: mail@k5ingenieure.de
VAT identification number
VAT ID pursuant to § 27a of the German VAT Act (UStG):
DE347776387
Professional title
Dipl.-Ing. (Building Services and Energy Engineering), conferred in Germany.
Operating as a self-employed professional (Freiberufler) pursuant to § 18 EStG.
Dispute resolution
The European Commission discontinued its Online Dispute Resolution (ODR) platform on 20 July 2025; a corresponding link is therefore omitted. We are not obliged and not willing to take part in dispute resolution proceedings before a consumer arbitration board.
Liability for content Standard text — legal review recommended
As a service provider, we are responsible for our own content on these pages in accordance with general law, pursuant to § 7 (1) DDG. However, pursuant to §§ 8–10 DDG, we are not obliged to monitor transmitted or stored third-party information. Relevant content will be removed promptly upon becoming aware of any legal infringement.
Liability for links Standard text — legal review recommended
Our site may contain links to external third-party websites over whose content we have no influence. We therefore accept no liability for this external content. The respective provider is always responsible for the content of the linked pages.
Copyright
Content and works created by the site operator on these pages are subject to German copyright law. Reproduction, editing, distribution, or any form of use beyond the scope of copyright law requires the written consent of the respective author or creator.