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B2B lead discovery tools in 2026. Choose by type, not by brand.
Lead discovery now covers everything from huge contact databases to desktop programs that start from the company register. They do different jobs. This guide gives six criteria that matter and an honest view of what each type of tool is good at.
The question that decides most of it
Where does the data come from? A stored database can only show companies it has already collected. A register-based tool starts from the official record of every company. That decides whether you find a new company before your competitors or after them.
Six criteria
- Freshness. When was the data collected, and is it checked against the source?
- New and small companies. Does the tool find companies registered last month, or only well-known ones?
- Contact data. A name is not a lead. Look for a working phone, an email and the person who decides, with the source shown.
- Explained scoring. If the tool ranks leads, can you see why?
- Price model. Fixed price, seats or credits per contact? Calculate it for the volume you actually need.
- Time to first lead. Do you need integrations and onboarding calls, or can you search the same day?
The main types of tool
Contact databases
Large stored databases of companies and people, often bundled with email sequences and a light CRM. Apollo and ZoomInfo are the best-known examples. They are strong on established companies that are well documented online. Their structural weakness is the same for all: what has not been collected is not there, so new, small and quiet companies are often missing or thin.
Email finders
Given a company's domain, an email finder such as Hunter looks for and checks likely email addresses. It is a good addition when you already know which companies you want. It does not find companies for you.
Nordic company data services
Vainu, Asiakastieto, Fonecta Finder and Profinder sell Nordic company data, often with CRM integrations. Vainu now publishes its prices: Reach from 250 euros a month for one country, billed annually (measured on 14 October 2026). We compare them in detail on the comparisons page.
Register-based tools
The newest type builds the list from official company registers when you search, then looks for contact details on the company's own website and in public sources. Atlas is one of these. It is built to find the companies others have not reached yet, not to resell well-known accounts.
Matching the type to the job
| Type | Best at | Watch for |
|---|---|---|
| Contact database | Large, well-known companies, fast | New and small companies often missing |
| Email finder | An email address for a company you already know | Does not find companies |
| Nordic data service | Nordic company data inside a CRM | Price per country and per user |
| Register-based tool | New and small companies, early | Slower per search than a database |
Many teams use two: one tool to find companies and another to confirm the way in.
Where Atlas is strong and where it is not
Strong: new companies straight from the register, closed companies removed by a nightly register check in seven countries, the source shown next to every piece of data, a built-in CRM, and one fixed price of 600 euros for two months plus VAT with no credits.
Weaker: a search takes longer than a lookup in a stored database, coverage varies a lot by country, and Atlas is a Windows and Mac program, not a browser tool. See the measured coverage by country.
Questions
What should I look for in a lead discovery tool?
Freshness, coverage of new and small companies, contact data with sources, explained scoring, the real cost at your volume and how fast you get to the first lead.
How do I find companies that are not in the big databases yet?
Start from the official company register, where every company is recorded when it is founded. Read how Atlas does it.
Can I use more than one tool?
Yes, and many teams do. A register-based tool for new companies and a CRM or sequencing tool for the pipeline is a common pair.