Company lists · Data verified August 2026

Top 25 Cold calling agencies based in the Netherlands

Name: Cold calling agencies based in the Netherlands
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 142 companies tracked

There are 142 cold calling agencies headquartered in the Netherlands (RevenueBase, August 2026). RevenueBase tracks 734 professional contacts across them, including 185 with verified work emails and 52 with mobile numbers. Amsterdam is the largest hub.

This list covers cold calling agencies headquartered in the Netherlands, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

142Companies

734Contacts tracked

185Verified emails

52Mobile numbers

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The 25 largest cold calling agencies based in the Netherlands

Ranked by team size

Top 25 of 142 cold calling agencies based in the Netherlands, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Hello Company	Lj	11-50	52	8
2	Findbusiness	Eindhoven	11-50	38	19
3	In4leads	Rijswijk	11-50	24	6
4	TSD	Bosch	11-50	23	11
5	Marketcall	Apeldoorn	11-50	22	10
6	Skondras - Nederland	Halfweg	51-200	22	2
7	Optimaal Leadgeneratie	n/a	11-50	20	12
8	Nlmatch	Kj	11-50	17	8
9	Ditmeijers' Group BV	Ej	51-200	15	8
10	Mistersales Telemarketing	Ng	11-50	15	3
11	Leadguru BV	Hoofddorp	51-200	15	2
12	Rodeche B.V	Cb	11-50	14	7
13	Clikq BV	Assen	51-200	14	3
14	DE Leadopvolgers	Enschede	11-50	11	8
15	B2Bpro	Eindhoven	11-50	11	3
16	Direct Minds B.V	Zoetermeer	11-50	11	2
17	Leadworks BV	Den Haag	11-50	10	3
18	Flair & Quality B.V	Aj	201-500	10	1
19	Breuker Telemarketing & Meer	Scharnegoutum	11-50	9	7
20	Lead Development Company BV	La	11-50	9	7
21	Windrecht	Leiden	11-50	8	5
22	Adequaat Facilitair Salescenter B.V	Purmerend	11-50	7	1
23	ONE Of A Kint	Culemborg	11-50	6	2
24	Consellium	Leusden	11-50	6	2
25	Buro Henck	Roggel	11-50	5	3

Showing 25 of 142 cold calling agencies based in the Netherlands

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Cold calling agencies based in the Netherlands at a glance

As of Aug 28, 2026

11-50Median size (employees)

AmsterdamLargest hub · 10 HQs

52Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Cold calling agencies by metro

Metro	Companies
Cold calling agencies in Amsterdam	10
Cold calling agencies in Rotterdam	9
Cold calling agencies in Eindhoven	5
Cold calling agencies in Tilburg	4
Cold calling agencies in Pg	4
Cold calling agencies in Den Haag	4
Cold calling agencies in Hoofddorp	4

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “cold calling agencies”, with match quality audited by blind human judging, and headquartered in the Netherlands.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cold calling agencies are there based in the Netherlands?

There are 142 cold calling agencies headquartered in the Netherlands as of August 2026 (RevenueBase).

What is the largest company on this list?

Hello Company, headquartered in Lj, tops this list with the largest team on record.

Which city has the most cold calling agencies?

Amsterdam leads with 10 headquartered companies, followed by Rotterdam (9) and Eindhoven (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 185 verified decision-maker contacts tracked across these 142 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.