Company lists · Data verified August 2026

Top 25 Customer service outsourcing companies based in the Netherlands

Name: Customer service outsourcing companies based in the Netherlands
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 115 companies tracked

There are 115 customer service outsourcing companies headquartered in the Netherlands (RevenueBase, August 2026). RevenueBase tracks 5,354 professional contacts across them, including 1,226 with verified work emails and 178 with mobile numbers. Amsterdam is the largest hub.

This list covers customer service outsourcing companies 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.

115Companies

5,354Contacts tracked

1,226Verified emails

178Mobile numbers

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The 25 largest customer service outsourcing companies based in the Netherlands

Ranked by team size

Top 25 of 115 customer service outsourcing companies 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	Yource Group	Almere	10001+	1,058	373
2	Wengage	Zt	1,001-5,000	694	179
3	Tsys Managed Services Emea	Barneveld	1,001-5,000	649	84
4	Cygnific	n/a	1,001-5,000	502	173
5	Webhelp Enterprise NL	Enschede	501-1,000	348	23
6	TDA Partner In Customer Contact B2B & B2c	Le	51-200	248	13
7	2contact	Mj	501-1,000	192	35
8	Klant Contact Services	Zoetermeer	501-1,000	151	14
9	Salesupply	Bb	201-500	125	65
10	PRO Contact Recruitment EN Sales Outsourcing	Amsterdam	51-200	104	38
11	Quality Contacts	Zwolle	201-500	93	25
12	Pricon	Me	51-200	51	9
13	Marabes Group	Km	51-200	49	4
14	Failliet	Ae	201-500	47	2
15	Vanad Group	Capelle Aan Den Ijssel	1,001-5,000	46	14
16	HMS Contact Centers	Bj	1,001-5,000	41	4
17	Interswitch BV	Vm	51-200	36	13
18	Inspire Group	Aa	201-500	35	15
19	Callsolution	Nijkerk	201-500	32	4
20	Crossover	Leeuwarden	51-200	31	6
21	Antwoordservice Nederland	Rotterdam	51-200	30	13
22	Remote Support Nederland	Amsterdam	201-500	23	1
23	Skondras - Nederland	Halfweg	51-200	22	2
24	Contactworx Make Contact Work	Ez	51-200	21	7
25	Customer Contact Company	Vianen	11-50	19	12

Showing 25 of 115 customer service outsourcing companies based in the Netherlands

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Customer service outsourcing companies based in the Netherlands at a glance

As of Aug 28, 2026

11-50Median size (employees)

AmsterdamLargest hub · 10 HQs

178Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Customer service outsourcing companies by metro

Metro	Companies
Customer service outsourcing companies in Amsterdam	10
Customer service outsourcing companies in Rotterdam	7
Customer service outsourcing companies in Zoetermeer	4
Customer service outsourcing companies in Capelle Aan Den Ijssel	3
Customer service outsourcing companies in Almere	3
Customer service outsourcing companies in Aa	3
Customer service outsourcing companies in Alkmaar	3

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 “customer service outsourcing companies”, 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; 3 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 customer service outsourcing companies are there based in the Netherlands?

There are 115 customer service outsourcing companies headquartered in the Netherlands as of August 2026 (RevenueBase).

What is the largest company on this list?

Yource Group, headquartered in Almere, tops this list with the largest team on record.

Which city has the most customer service outsourcing companies?

Amsterdam leads with 10 headquartered companies, followed by Rotterdam (7) and Zoetermeer (4).

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 1,226 verified decision-maker contacts tracked across these 115 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.