Przedsiębiorstwo Handlowo-Usługowe MMJ Marcin Janos
- 4 municipalities
- fibre and fixed wireless
- based in Siemianowice Śląskie
- operator since 2005
Updated: October 2026
Przedsiębiorstwo Handlowo-Usługowe MMJ Marcin Janos is a fibre and fixed wireless provider based in Siemianowice Śląskie, registered as a telecom operator in 2005. It operates in 4 municipalities in śląskie voivodeship, including Katowice, Chorzów and Siemianowice Śląskie. Whether Przedsiębiorstwo Handlowo-Usługowe MMJ Marcin Janos reaches your building is confirmed by the company itself.
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Where Przedsiębiorstwo Handlowo-Usługowe MMJ Marcin Janos operates
Municipalities where Przedsiębiorstwo Handlowo-Usługowe MMJ Marcin Janos sells internet, based on public registers.
Municipalities by county
będziński county · 1 municipality
Chorzów (city county) · 1 municipality
Katowice (city county) · 1 municipality
Siemianowice Śląskie (city county) · 1 municipality
Technologies and company details
- Registered name
- PRZEDSIĘBIORSTWO HANDLOWO-USŁUGOWE "MMJ" MARCIN JANOS
- Technologies
- fibre and fixed wireless
- Registered office
- Siemianowice Śląskie, śląskie
- Registered since
- 2005
- Tax ID (NIP)
- 6431541583
- Telecom operator register number
- 797
- Website
- www.mmj.pl
Other providers in these municipalities
111 other providers operate in these municipalities, including Netia, Orange, Play, Plus and T-Mobile, whose offers we compare. Full lists and offer comparisons are on the locality pages.
Check your address
We will show offers from the operators we compare that are available in your building, with the cost of the whole contract.
Check addressBased on public registers of the Ministry of Digital Affairs and UKE, updated: October 2026.