This English text is a courtesy translation. The German legal notice is authoritative.
Provider and media owner
Simon Marcel Schlieber
Bienengasse 5, Tür 6, 1060 Vienna, Austria
Phone: +43 (0) 720 347 381
Email: mail@schlieber.net
Website: https://schlieber.net
Business purpose
Independent IT advisory, solution and infrastructure architecture, software development, implementation leadership, and governance services for business customers. Services are offered exclusively to businesses within the meaning of section 1 of the Austrian Consumer Protection Act (KSchG), not to consumers.
Trade and registry information
- Licensed trade: Services in automatic data processing and information technology (“Dienstleistungen in der automatischen Datenverarbeitung und Informationstechnik”)
- Type: free trade (“freies Gewerbe”)
- GISA number: 39874252
- Trade authorisation effective since: 2 July 2026
- Trade location: Bienengasse 5, Tür 6, 1060 Vienna
- Trade authority: Magistrate of the City of Vienna
- Chamber membership: Vienna Economic Chamber, Professional Group for Management Consultancy, Accounting and Information Technology (UBIT Vienna), IT Services
- Applicable professional rules: Austrian Trade Regulation Act 1994 (GewO 1994)
VAT
VAT identification number: VAT-XXXXX. Applied for; temporary placeholder, not an issued VAT identification number.
Simon Marcel Schlieber currently applies the Austrian small-business exemption under section 6(1)(27) of the Austrian VAT Act. Where that exemption applies to a supply, VAT is neither charged nor shown separately and the invoice carries the applicable exemption notice. Cross-border services may require different treatment under place-of-supply or reverse-charge rules; the applicable treatment will be stated in the individual offer and invoice.
Disclosure under section 25 of the Austrian Media Act
Media owner: Simon Marcel Schlieber, Vienna, Austria.
Sole owner: Simon Marcel Schlieber. There are no ownership, trust, or silent-participation interests requiring disclosure.
Business purpose: IT advisory, architecture, software development, implementation leadership, and governance services.
Editorial direction: schlieber.net publishes information and professional commentary about defensible IT decisions, Microsoft systems, AI, software architecture, digital sovereignty, governance, and the media owner’s working methods. Published assessments represent the media owner’s professional view. Commercial relationships and partnerships are disclosed where they are material to understanding content or a mandate.
Content and external links
Website content is prepared with care but does not replace legal, tax, or another regulated professional service. Technical and regulatory information can change. Only an individual offer, statement of work, or agreement expressly identified as binding is contractually binding.
External links are assessed for relevance when added. Their respective operators are responsible for external content and later changes.
Copyright and licences
The texts, original graphics, Prism mark, and design of schlieber.net are protected by copyright or trade-mark law. Use beyond statutory permissions requires prior consent.
Carbon icons, pictograms, and other third-party materials used on the website remain subject to their stated open-source licences. The project’s technical third-party notices record the applicable sources and licences.
Dispute resolution
schlieber.net contracts exclusively with businesses. Consumer alternative-dispute-resolution information and a statutory consumer right of withdrawal therefore do not apply to the B2B mandates offered here. The European Online Dispute Resolution platform was discontinued with effect from 20 July 2025.
Concerns can always be sent directly to mail@schlieber.net.