Best B2B Database for Czech Republic 2026 (Comparison)

Introduction: The Czech Republic has a mature B2B market. Which database gives you access to companies?

The Czech Republic has one of the most advanced B2B markets in Central Europe — with high digital maturity, a strong e-commerce segment, and companies accustomed to collaborating with external suppliers. The competition among B2B database providers is higher here than in neighboring countries, so choosing the right tool is important.

Czech registers (ARES, Collection of Documents) are useful for verification but not for outreach. There are several local and global databases in the market. This article compares the best B2B databases for the Czech market.

1. DataSend.ai — best for the Czech market (all-in-one)

DataSend.ai covers the Czech market with 725,000 companies and combines the database with campaigns and CRM.

What it offers for the Czech Republic: 725K companies with verified contacts — emails, phones, websites with a bounce rate below 5%. Filtering by region, industry, revenue, and size. Registration details (ICO, VAT).

And most importantly — outreach tools: Email campaigns with AI personalization in Czech. AI Grammar Variables — correct declension: “in Prague,” “in the construction sector,” “for your company.” Automatic follow-ups, Unibox with AI classification, built-in CRM, and warmup.

Why it’s the best: It combines the database and outreach in one place with Czech language personalization. It also covers 7 countries in Central Europe — if you expand beyond borders, you don’t change tools.

Price: Free ($0), Freelancer ($89/month), Founder ($199/month).

2. Saleskit — local database for CZ and SK

Saleskit (formerly Merk) is a Czech database for the CZ and SK market.

Strengths: ~4M entities in CZ and SK. Over 100 attributes per company. Financial data and risk scoring. LinkedIn integration. AI tool for company insights.

Where it falls short: Personal contacts through an external add-on (Full Enrich). No email campaigns, follow-ups, or warmup. Self-service without outreach tools. Only CZ and SK.

Price: Subscription, contacts through add-on separately.

For whom: Market overview, verification of companies in CZ and SK.

3. BizMachine — sales intelligence for CEE

BizMachine is a Prague-based sales intelligence platform.

Strengths: 2.8M+ Czech companies. 55+ real-time business signals. In-depth segment data (automotive, e-commerce). ICP scoring.

Where it falls short: No built-in outreach sequences. Custom pricing, higher entry cost. Focus on larger teams (4–1,000+).

Price: Custom.

For whom: Larger sales teams working with signals.

4. ARES and Collection of Documents — official registers (free)

ARES (administrative register) and Collection of Documents are official Czech registers.

Strengths: Free and official. Registration details, ICO, financial statements.

Where it falls short: No contacts for outreach. No filtering by industry. No outreach tools.

For whom: Company verification, not client acquisition.

5. FinStat — financial data for CZ and SK

FinStat is a financial database for the Czech and Slovak markets.

Strengths: Financial statements, credit scores, insolvency register. 1M companies + 3M sole traders in the Czech Republic.

Where it falls short: No personal contacts. Not intended for outreach.

Price: €350–2,750/year.

For whom: Financial analysis, partner verification.

6. Apollo.io — global tool

Apollo has Czech data as part of a global database.

Strengths: Built-in sequences. Freemium.

Where it falls short: The accuracy of Czech data is lower than local sources. Bounce rate 15–25% in Europe. No Czech grammatical personalization. Per-seat + credits.

For whom: Teams combining the Czech Republic with the US market.

How to choose for the Czech market

For client acquisition (all-in-one): DataSend.ai — 725K companies, campaigns, and AI personalization in Czech. For market overview (CZ/SK): Saleskit. For signals (larger teams): BizMachine. For company verification (free): ARES. For financial analysis: FinStat.

Key difference in the Czech market: Overview vs. action

The Czech market has more databases than neighboring countries — Saleskit, BizMachine, FinStat, and global tools. But most of them focus on market overview, financial analysis, or sales intelligence — not actual outreach.

DataSend.ai is focused on action — finding companies and reaching out to them in one place. Email campaigns with AI personalization in Czech, follow-ups, Unibox, and CRM. You don’t have to assemble a database, email tool, and CRM separately.

Conclusion

The Czech market offers many databases — but few connect data with outreach tools and Czech language personalization. Saleskit and BizMachine are strong for insights and signals, FinStat for finance, ARES for verification.

If you want to find and reach out to companies, DataSend.ai covers 725,000 Czech companies, providing you with campaigns with AI personalization in Czech, all in one place.

Want to reach Czech companies? DataSend.ai — 725K companies, AI personalization in Czech, campaigns, and CRM all in one.

Try DataSend.ai for free →