Company lists · Data verified August 2026

Top 25 Outbound marketing agencies based in the Netherlands

Name: Outbound marketing 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 1,293 companies tracked

There are 1,293 outbound marketing agencies headquartered in the Netherlands (RevenueBase, August 2026). RevenueBase tracks 7,286 professional contacts across them, including 2,416 with verified work emails and 676 with mobile numbers. Amsterdam is the largest hub.

This list covers outbound marketing 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.

1,293Companies

7,286Contacts tracked

2,416Verified emails

676Mobile numbers

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The 25 largest outbound marketing agencies based in the Netherlands

Ranked by team size

Top 25 of 1,293 outbound marketing 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	Clickdealer	Amsterdam	201-500	235	1
2	Seeders	Zwolle	51-200	105	11
3	Kinesso NL	Groningen	51-200	74	43
4	Flynck	Wc	51-200	57	29
5	Brandfirm	Ah	51-200	56	42
6	On. Digital Marketing	Dv	51-200	54	41
7	Blauwe Monsters Part Of Conclusion	Haarlem	51-200	45	25
8	Sens Online Solutions	Almere	11-50	44	31
9	Traffic Builders Pushing Marketing Boundaries	Almere	51-200	44	28
10	Online ID Digital Performers	Utrecht	51-200	31	22
11	Yonego	Breda	11-50	30	2
12	Hellenique	Putten	11-50	26	11
13	Skondras - Nederland	Halfweg	51-200	22	2
14	Zuiver Group	As	51-200	21	15
15	Optimaal Leadgeneratie	n/a	11-50	20	12
16	Leadrs	Breda	11-50	19	14
17	Jamjam Creative Marketing Agency	Xb	11-50	18	10
18	Webmyday	Jz	11-50	17	14
19	Leadscope	Amsterdam	51-200	17	7
20	Service Bureau Jansen SBJ	Gh	51-200	17	7
21	Vihit Digital	Amsterdam	51-200	17	3
22	Twinsense	Pr	11-50	15	10
23	To BE Found Online Marketing	He	11-50	15	7
24	The Ecom Agency B.V	Zwaag	11-50	15	4
25	Mistersales Telemarketing	Ng	11-50	15	3

Showing 25 of 1,293 outbound marketing agencies based in the Netherlands

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Outbound marketing agencies based in the Netherlands at a glance

As of Aug 28, 2026

1-10Median size (employees)

AmsterdamLargest hub · 141 HQs

676Contacts with mobile numbers

22Emails re-verified in last 30 days

Companies by employee count

1-10

971

11-50

277

51-200

201-500

10001+

Outbound marketing agencies by metro

Metro	Companies
Outbound marketing agencies in Amsterdam	141
Outbound marketing agencies in Rotterdam	63
Outbound marketing agencies in Utrecht	31
Outbound marketing agencies in Groningen	30
Outbound marketing agencies in Eindhoven	28
Outbound marketing agencies in Tilburg	24
Outbound marketing agencies in Arnhem	19

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 “outbound marketing 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; 22 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 outbound marketing agencies are there based in the Netherlands?

There are 1,293 outbound marketing agencies headquartered in the Netherlands as of August 2026 (RevenueBase).

What is the largest company on this list?

Clickdealer, headquartered in Amsterdam, tops this list with the largest team on record.

Which city has the most outbound marketing agencies?

Amsterdam leads with 141 headquartered companies, followed by Rotterdam (63) and Utrecht (31).

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 2,416 verified decision-maker contacts tracked across these 1,293 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.