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Home › Legal notice

Legal notice (Impressum)

Version:
October 2026
Legal basis:
§ 5 German Digital Services Act (DDG), § 18(2) Interstate Media Treaty (MStV)

Service provider

Martin Adamec
Sole trader under Czech law (trade licence holder, not entered in the Czech commercial register)
Mírová 1541
516 01 Rychnov nad Kněžnou
Czech Republic

b2bkartei.de is a website and brand of this sole trader; there is no separate company.

Contact

  • Email: info@b2bkartei.de
  • Phone: +420 720 950 900
  • Contact form: b2bkartei.de/kontakt/

Registers and identification numbers

Company identification number (IČO)
19552319 – publicly accessible in the Czech Administrative Register of Economic Entities ARES (Ministry of Finance of the Czech Republic).
Register
Czech Trade Register (Živnostenský rejstřík), rzp.gov.cz; competent trade licensing office: Městský úřad Rychnov nad Kněžnou
VAT identification number
The provider is not registered for VAT (neplátce DPH, Czech Republic); no VAT identification number exists.
Official authorisation
The activity does not require official authorisation within the meaning of § 5(1) no. 3 DDG. The activity is registered as a free trade (volná živnost) in the Czech Trade Register (ARES, NACE 620 – IT services).

Responsible for content under § 18(2) MStV

Martin Adamec, Mírová 1541, 516 01 Rychnov nad Kněžnou, Czech Republic

Consumer dispute resolution

b2bkartei.de is aimed exclusively at businesses within the meaning of § 14 BGB (German Civil Code); we do not enter into contracts with consumers (see Terms). We are neither willing nor obliged to take part in dispute resolution proceedings before a consumer arbitration board.

Further legal information

  • Terms and conditions
  • Privacy policy for visitors to this website
  • Information under Art. 14 GDPR for people whose data is contained in the company database
  • Objection to processing (Art. 21 GDPR)
b2bkartei.de

Company data for B2B sales: German company database by 15 industries – 3,543,865 businesses per Destatis (2024), exports on request. Other EU countries and further countries on request.

Product

  • Company addresses Germany by industry
  • Export and sample file (CSV, Excel)
  • EU and other countries (on request)
  • Pricing: how the price is set
  • Company databases compared

Information

  • Data sources and methodology
  • Data inventory
  • Business statistics (Destatis, Eurostat)
  • Buying company addresses: what to check
  • B2B cold outreach and § 7 UWG
  • Commercial register: public data
  • WZ 2008: industry codes
  • Guides (blog)
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Contact

  • info@b2bkartei.de

  • +420 720 950 900

  • IČO 19552319

Legal notice · Terms · Privacy · Data subject rights · Objection

© 2026 b2bkartei.de

Operator: Martin Adamec, Mírová 1541, 516 01 Rychnov nad Kněžnou, Czech Republic · Company ID (IČO) 19552319 · All prices are final prices.