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Guides to company data and B2B outreach

Practical guides: building company lists by industry and region, using Czech public registers, checking VAT payers and contacting businesses lawfully.

B2B Cold Outreach in Germany: What § 7 UWG Allows by Phone, Email and Letter

Letter, phone, email: what § 7 UWG allows when you contact businesses in Germany, what “presumed consent” means and what a list of addresses does not change.

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Buying Company Addresses: What to Check Before You Order

Nine checks before you order: source, data status, contact field coverage, sample file, usage rights – and how to spot empty promises.

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German Commercial Register and Company Register: Which Data Is Public

Retrieval has been free of charge since August 2022. What the German commercial register contains, what it lacks, who is not registered at all – and why only individual retrievals are allowed.

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WZ 2008: Using Industry Codes for Target Group Lists

How the German classification of economic activities is structured, why “skilled trades” and “online shop” have no code, and what changes with WZ 2025.

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ARES, Insolvency & Contract Register: Czech Public Data Explained

Four free Czech public databases tell you more about a business partner than many paid services – what each one contains and how to combine them.

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How to Find B2B Contacts for Czech Companies (Practical Guide)

A step-by-step guide to sourcing, filtering and verifying B2B contacts for the Czech market.

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GDPR and B2B Outreach: What Applies When Contacting Czech Companies

What sales and marketing teams need to know about contacting Czech companies lawfully – GDPR legitimate interest, Czech Act 480/2004 and the line between company data and personal data.

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How to Build a Targeted B2B Company List by Industry and Region

A targeted company list shortens your sales cycle and cuts acquisition costs – here is how to build one from scratch.

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VAT Payer Reliability in Czechia: What You Must Know

Buying from Czech suppliers? An invoice from an “unreliable VAT payer” can make you liable for their unpaid VAT – here is how to protect yourself.

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