Legal
Legal notice
Last updated: 15 September 2026
1. Provider of this website
Details pursuant to Art. 3 para. 1 lit. s of the Swiss Federal Act against Unfair Competition (UCA):
WM Solution GmbHLegal form: limited liability company (GmbH)
Langenthalstrasse 11
4912 Aarwangen
Switzerland
Signatories as entered in the commercial register:
- Miron Zandecki – LLC member and chairperson of the management board, individual signing authority
- Wojciech Stanislaw Lass – LLC member and member of the executive board, individual signing authority
- Grzegorz Gruszka – individual signing authority
2. Contact
You can reach us through the contact form or directly:
Photovoltaics: Cezary Grzenkowicz, phone +41 78 221 11 66, email grzenkowicz@wmsolution.chPhotovoltaics: Wojciech Lass, phone +48 605 270 740, email lass@wmsolution.ch
Telecommunication: Miron Zandecki, phone +48 603 179 376, email zandecki@wmsolution.ch
Office hours: Monday to Friday, 08:00–18:00
3. Commercial register and tax details
Entered in the commercial register of the Canton of Bern (Commercial Register Office of the Canton of Bern), registered on 31 August 2018.
- Business identification number (UID): CHE-331.129.312
- Commercial register number (CH-ID): CH-170.4.015.852-6
- VAT number: CHE-331.129.312 MWST (liable for VAT since 1 September 2018)
- Registered domicile address in the commercial register: c/o Gruszka Treuhand GmbH, Langenthalstrasse 11, 4912 Aarwangen
4. Responsibility for content
WM Solution GmbH, at the address given in section 1, is responsible for the content of this website. We welcome notice of any inaccurate or outdated information and will correct it promptly.
5. Disclaimer
The content of this website is prepared with care. No warranty is given, however, as to its accuracy, completeness or currency. The information provides general details about our services and constitutes neither a binding offer nor technical or legal advice for an individual case.
Liability claims for material or immaterial damage arising from access to this website, from its use or non-use, or from technical faults are excluded, unless there is demonstrable intent or gross negligence on our part.
We reserve the right to change, supplement or delete content at any time without notice, and to suspend or discontinue publication temporarily or permanently.
6. Liability for links
This website contains links to third-party websites, in particular to the official websites of customers and partners and to a map service. That content lies outside our sphere of responsibility. We accept no responsibility for its accuracy, lawfulness or availability; linked websites are accessed at your own risk.
7. Copyright and trademarks
Copyright and all other rights in the content, texts, photographs, design and files of this website belong to WM Solution GmbH or to the rights holders expressly named. Reproduction, distribution or any other use — including of extracts — requires the prior written consent of the rights holders.
Customer logos and trademarks shown remain the property of their respective owners. They are used solely to indicate existing business relationships.
8. Data protection
How we process personal data when you visit this website and when you send an enquiry through the contact form is described in our privacy notice.