Legal notice
Information pursuant to Section 5 of the German Digital Services Act (DDG) for Numidea Advisory and the Erlöswerk division.
This translation is provided for information only. The German version is legally binding: Impressum (German version)
Information pursuant to Section 5 DDG
- Provider
- Yassine Ruschkowski, sole proprietorship
- Business name
- Numidea Advisory – Inh. Yassine Ruschkowski
- Trading names
- Numidea Advisory
Erlöswerk - Address
- Neufertstr. 14
14059 Berlin
Germany
Contact
- Phone
- +49 176 72298196
- yassine@numidea.com
VAT
VAT identification number pursuant to Section 27a of the German VAT Act (UStG): DE463278561
Business activity
Consulting and implementation for finance, contract accounting (SAP FI-CA) and controlling in SAP S/4HANA, RISE with SAP and AI for SAP; in the Erlöswerk division, reconciliation and revenue assurance for utilities.
Numidea Advisory and Erlöswerk are trading names of my sole proprietorship. It is not entered in the commercial register.
Responsible for content pursuant to Section 18(2) of the German Interstate Media Treaty (MStV)
Yassine Ruschkowski, address as above.
Consumer dispute resolution
I am neither willing nor obliged to take part in dispute resolution proceedings before a consumer arbitration board. My services are aimed exclusively at businesses.
Liability for content
The content of this website has been prepared with care. I accept no liability for its accuracy, completeness or timeliness.
References to legal provisions are general information and do not constitute legal services within the meaning of the German Legal Services Act (Rechtsdienstleistungsgesetz). The same applies to the information on engagements in Algeria: it does not constitute legal or tax advice.
Liability for links
This website links to third-party websites. Their operators are solely responsible for their content. No legal violations were apparent at the time of linking. If I become aware of an infringement, I will remove the link concerned.
Copyright
The texts and design of this website are subject to German copyright law.
Trademarks
SAP, SAP S/4HANA and other SAP products mentioned are trademarks of SAP SE. Numidea Advisory and Erlöswerk are not affiliated with SAP SE.
As of November 2026