As of 21.10.2026. English translation, the German version applies.

Legal notice

Information under Art. 3 para. 1 lit. s of the Swiss Unfair Competition Act (UWG)

  • Company Lorien Group Güzelsahin
  • Legal form Sole proprietorship
  • Owner Sinan Güzelsahin
  • Address Hauptstrasse 98b, 5032 Aarau Rohr, Switzerland
  • Phone +41 62 552 00 56
  • Email sinan@lorien.group
  • UID CHE-276.368.634
  • Commercial register Commercial Register of the Canton of Aargau. New entry on 15.08.2025 (daily register no. 11215), published in the Swiss Official Gazette of Commerce on 20.08.2025, notice number HR01-1006412695. View the extract
  • VAT Not entered in the register of persons liable for VAT. Invoices show no VAT.

Professional status

Lorien Group Güzelsahin is a sole proprietorship. There are no employees. I run every mandate myself.

I am not a lawyer, a fiduciary, an audit firm or a certification body. I provide no legal advice, no bookkeeping, no audits under Art. 727 ff. of the Swiss Code of Obligations (CO), no recruitment placement, and I issue no conformity certificates.

Liability for the content

The texts on this website describe when I take on mandates and how I work. They are neither an offer in the legal sense nor advice on an individual case. What is binding is what a signed engagement says.

I keep the information up to date. I give no guarantee of its accuracy or completeness, and no claim can be derived from it.

Links to other websites

In places, this website refers to third party websites. I have no influence over their content and take no responsibility for it. Whoever runs the linked site is responsible.

If you find unlawful content on a linked page, write to sinan@lorien.group. I will then remove the link.

Copyright

The texts, images, signet and design of this website are protected under the Swiss Copyright Act. Any use beyond private use requires my written consent.

The typefaces Archivo and Work Sans are licensed under the SIL Open Font License.

Applicable law and place of jurisdiction

All legal relationships arising from the use of this website are governed by Swiss law, excluding conflict of laws rules and the UN Convention on Contracts for the International Sale of Goods.

The place of jurisdiction is Aarau, unless the law mandatorily prescribes another.

How I handle data is set out in the Privacy.