Guides and Articles

Practical guides on company contact data: what the business register and info-register-type portals show, how to use this data legally for sales and email marketing, and how to choose a database that actually delivers results.

• B2B Contact Data in Estonia: Sources and Legal Use

  What B2B contact data is, where it comes from in Estonia, what it costs, and how to use it legally in sales. Includes a practical quality checklist.

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• Company Email Addresses in Estonia: Sources & Legal Use

  Where to find Estonian company email addresses, how a general inbox differs from a named work email, and how to send cold email that lands and stays legal.

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• Buying a Company Database: Price, Quality & Mistakes

  How much a company database costs in Estonia, what you're actually paying for, and the five most common mistakes when buying one.

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• Construction Companies Database Estonia: EMTAK Sector F

  How to build a list of Estonian construction company contacts using EMTAK sector F: sub-segments, regional breakdown, size filters, and sales tips.

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• Board Member Contacts: What's Public and What's Allowed

  Board member data is public in Estonia's business register, but using it in sales has rules. A guide to using it correctly and effectively.

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• Free Company Emails: What's Possible and the Limits

  Where to get Estonian company email addresses for free, how much time it takes, and when it's smarter to buy a ready-made dataset. Includes a free 50-row sample.

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• Company Search: How to Find Estonian Companies by Filter

  How to search Estonian companies by industry, county, size, and revenue, and export the results as an Excel file. A practical guide with a free sample.

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• Company List in Excel: How to Build the Right Audience

  How to build an Estonian company list by industry, region, and size, which columns the file needs, and how to import it into your CRM.

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• Find the Right Companies Faster Than the Registry

  Finding companies by industry, region, and size. How to identify the right Estonian companies for sales and get contacts as a file right away.

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• Company Data: What's Public and How to Use It in Sales

  Which company data is public in Estonia, how fresh it is, and how to use it legally in sales and email marketing.

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• Estonian Business Register: How to Search and Export Data

  What the Estonian business register is, which data is public, how to search for companies, and how to get registry data as an Excel list with emails and phone numbers.

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• Estonian Company Info Registers & Alternatives

  What company-info-register-type search is good for, where its limits are, and how to get a filtered Estonian company list with emails and phones as an Excel file.

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• Estonian registry code: what it shows and how to use it in sales data

  What an Estonian registry code is, how to find company data by registry code, and why it is the cleanest key for merging a B2B list into your CRM without duplicates.

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• Estonian company registry: how to get the register as a file

  What the Estonian company registry contains, what it is good for, and how to get a filtered Excel list of Estonian companies with public contact details.

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• Public company lookups and registry code checks vs a full list

  When a public lookup or registry code check is the right tool for one Estonian company, and how to get the same information for a whole target group in one file.

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• Company database: what it contains and how to choose one

  What a company database is, which fields it must contain, how to check quality before buying and what a usable Estonian list actually costs.

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• B2B database: how to make it actually work in sales

  How to choose and use a B2B database in Estonia: segmentation, CRM import, campaign structure and the metrics that matter.

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• List of Estonian limited companies (OÜ): how to build one

  Where to get a list of Estonian OÜ companies, which fields it must contain and how to filter it by industry, county and size for B2B sales.

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• Estonian non-profit database: MTÜ contacts explained

  A database of Estonian non-profit associations: available fields, who buys this list and how to filter it by activity and county.

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• Estonian sole trader (FIE) database: what to know

  How a list of Estonian sole traders differs from limited companies, what data is available and which data protection rules apply.

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• Company database in Excel and CSV: import without errors

  How to structure a company database in Excel or CSV, import it into a CRM and avoid encoding and duplicate problems.

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• UK B2B Data Providers Compared: 8 Options and What They Cost

  Companies House, list brokers, Apollo, Lusha, Cognism, ZoomInfo or a one-time file? How UK B2B data providers differ on coverage, contacts and pricing.

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• Best sales intelligence tools for European B2B data (2026)

  Kontabase, ZoomInfo and Apollo.io compared on pricing model, export, free sample and guarantee — using only what each company publishes on its own site.

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• Companies House list of companies UK: A Complete Guide

  Explore the Companies House list of companies in the UK. Learn how to search, find, and download free company data, understand SIC codes, and access bulk information.

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• Estonia business search: The Ultimate Guide to the Register

  A complete guide to the Estonia business search. Learn how to use the English e-Business Register, find registry codes, and access free company open data.

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