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Top Telemarketing Companies in the Netherlands

Ratings Updated: June 16, 2026

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11 Companies

Country: Netherlands

Outbound Services: B2C Telemarketing & telesales

List of the Top Netherlands Telemarketing Services

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six eleven global services

4.8 10 reviews
Verified

$1,000+

< $25 / hr

1,000 - 9,999

Serves Netherlands

Services provided

40% Call Center Services

30% Back Office Outsourcing

30% Customer Service Outsourcing

Focus Areas

Six Eleven Global Services is a customer support services provider specializing in call handling and customer service operations. The company has garnered positive feedback, with reviewers highlighting their exceptional responsiveness and alignment with company values. A significant 100% of reviewers commend their swift one-hour response times and the cultural fit, without any noted areas for improvement.

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Reviews mention Easy to work with
Clients consistently express that working with six eleven global services is a seamless experience. One reviewer highlighted the ease of communication, noting their support in English and the local language, enhancing collaboration. Another emphasized their responsiveness and friendly demeanor, stating that the team is always available when needed. Overall, the sentiment reflects a strong appreciation for six eleven's commitment and accessibility, making them a reliable partner for ongoing projects.

BPO Services for Telecommuniactions & IT Services Company

4.5 Feb 15, 2023

Working with six eleven is very easy. They’re very responsive and friendly, and they’re always there for us when we need them. Their entire team, including their CEO, is very communicative and provides fast responses.
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Average Project Cost Breakdown

$50,000 to $199,999 (2) $200,000 to $999,999 (2) $1,000,000 to $9,999,999 (1)

What Clients Have Said
Clients generally express satisfaction with the cost-effectiveness and value for money provided by Six Eleven Global Services. Feedback highlights that their pricing aligns with client budgets while delivering high-quality services. One client noted, 'Pricing fits our budget; good value for cost,' while another emphasized, 'They provide excellent support' and maintain project accuracy over 95%. Overall, the sentiment reflects that clients perceive Six Eleven as a reliable partner that balances quality and affordability.
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More responsive than most other service providers

six eleven global services is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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United States (6) Canada (1) Malaysia (1)

This provider is fluent in 1 language:

English

This provider is available in 4 time zones:

Central Standard Time (CST)

Eastern Standard Time (EST)

Pacific Standard Time (PST)

Mountain Standard Time (MST)

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SalesRoads

4.9 65 reviews
Premier Verified

$5,000+

Undisclosed

50 - 249

Serves Netherlands

Services provided

10% Call Center Services

80% Sales Outsourcing

10% Email Marketing

Focus Areas

100% Customer Surveys & Market Research Calls

SalesRoads is a call center service provider specializing in outbound call center and telemarketing services, emphasizing lead generation and sales growth. Their reviews highlight a strong ability to enhance leads and generate qualified prospects, with over 80% of feedback noting their efficiency and organizational skills. Clients appreciate their consistent project management and commitment to understanding client needs, while areas for improvement include initial onboarding processes.

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Reviews mention Collaborative
The sentiment regarding collaboration with VSA Prospecting is overwhelmingly positive. Clients highlight their effective communication and responsiveness, noting that the team fosters a collaborative environment. One client emphasized their proactive approach, stating, "they bring it to our attention quickly within the day," and appreciated their fun, energetic demeanor. Another client remarked on their flexibility and willingness to work iteratively, describing them as "committed partners" in achieving project success. Overall, clients express satisfaction with the collaborative nature of their engagements.

Lead Generation for Small Business Loans Company

5.0 Jul 19, 2019

Throughout, they demonstrated a kind of flexibility and a willingness to work with us to make the program successful. They were committed partners in working with us to make the program successful. They were very collaborative, constructive, and creative in helping to design ways to make the program more effective.
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Appointment Setting and Inside Sales Program for PPO

5.0 Apr 9, 2018

I worked extensively with their project manager who took care of everything. A responsive collaborator, she asked appropriate questions when necessary and made changes quickly. If we found a new lead or if they had an idea, we knew we could call or email them, and they would deliver results.
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Outreach Marketing Campaign for Healthcare Service Company

5.0 Mar 5, 2021

They’re a very fun, energetic team that allows for a lot of collaboration. Due to their expertise and experience, they have been very self-sufficient in their operation. Overall, they’re a great partner.
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Sales Outsourcing for Software Company

5.0 May 23, 2025

Yes, SalesRoads was a really good partner. When needed, the whole organization leaned in from the top down. We communicated through weekly meetings and email.
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Industry Experience

SalesRoads has demonstrated expertise across various sectors, including Information Technology, Financial Services, Manufacturing, and Education. Clients praised their adaptability, responsiveness, and ability to deliver qualified leads, with measurable improvements in lead generation and appointment setting. The sentiment is overwhelmingly positive, particularly in Financial Services and Manufacturing, where clients noted significant ROI and effective project management. For potential clients seeking growth in these industries, SalesRoads is positioned as a strong partner.
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Software Manufacturing Real estate Financial services Design Healthcare Business services Nonprofit IT Services Engineering Human Resources Consumer Products Other Industry Education Retail Advertising & marketing Information technology Legal

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Average Project Cost Breakdown

$50,000 to $199,999 (24) $10,000 to $49,000 (17) $200,000 to $999,999 (6) Less than $10,000 (1)

What Clients Have Said
SalesRoads is frequently noted for delivering strong value for money, with clients highlighting their cost-effectiveness relative to results achieved. For instance, one client reported a 100% ROI, while another noted that the service led to a significant increase in appointments and sales volume. The overall sentiment suggests that clients appreciate the competitive pricing and the quality of leads generated, with many stating that the partnership has exceeded expectations in terms of financial returns and project outcomes.
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United States (61) Canada (2) Austria (1) Spain (1)

This provider is available in 1 time zone:

Eastern European Time (EET)

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Task Virtual

4.9 54 reviews

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Premier Verified

$1,000+

< $25 / hr

50 - 249

Amsterdam, Netherlands

Services provided

10% Call Center Services

40% Back Office Outsourcing

20% Search Engine Optimization +3

10% Customer Service Outsourcing

10% Data Annotation Services

10% Sales Outsourcing

Focus Areas

55% B2C Telemarketing & telesales

35% Customer Surveys & Market Research Calls

10% Third party verification

Task Virtual is a company specializing in back office and telephonic support services, particularly in medical billing. Reviews indicate that they excel in delivering quality work promptly and have significantly increased customer acquisition, saving clients about 20 hours weekly and $200 monthly. Positive feedback is prevalent, though clients suggest more frequent updates.

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1 of 1 reviews is 5 stars

Less than $10,000 avg. project cost

Reviewed 1 time in the past 6 months
In the past six months, Task Virtual has received positive feedback for their effective SEO strategies, resulting in increased organic traffic and improved search rankings for clients. One client noted their impressive project management and responsiveness, highlighting timely deliveries and clear communication. Clients appreciated Task Virtual's tailored approach to SEO and their commitment to long-term results. Suggestions for improvement were minimal, with one client desiring more detailed explanations of technical processes, underscoring overall satisfaction with the services provided.
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0 of 1 Call Center Services reviews are 5 stars

Less than $10,000 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Event Staffing Company
5.0 — Task Virtual provides call center services for an event staffing company. The team has integrated call tracking software and now manages inbound and outbound calls while producing weekly performance Read more
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Industry Experience

Task Virtual has demonstrated expertise across several industries, including Consumer Products, Financial Services, Information Technology, Advertising & Marketing, Arts & Entertainment, Education, and others. Clients praised their tailored SEO strategies, exceptional project management, and understanding of specific industry needs. Sentiment is overwhelmingly positive, with notable strengths in improving online visibility, enhancing customer service, and optimizing operational efficiency. This diverse experience positions Task Virtual as a strong fit for clients seeking targeted support in marketing, customer service, and back office operations.
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Arts, entertainment & music Information technology Advertising & marketing Beauty & Cosmetics IT Services Business services Healthcare Legal Financial services Consumer products & services Education

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View projects from:

United States (7) Canada (3) Australia (1) Germany (1) England (1)

This provider is fluent in 7 languages:

Bengali

English

French

Hindi

Panjabi

Sindhi

Spanish

This provider is available in 12 time zones:

Middle East Time (MET)

India Standard Time (IST)

Central European Time (CET)

Central Standard Time (CST)

Eastern European Time (EET)

Eastern Standard Time (EST)

Pacific Standard Time (PST)

Australia Central Time (ACT)

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De Leadopvolgers

Not yet reviewed

$5,000+

Undisclosed

10 - 49

Enschede, Netherlands

Services provided

50% Call Center Services

50% Sales Outsourcing

Focus Areas

80% B2C Telemarketing & telesales

10% Customer Surveys & Market Research Calls

5% Collections Recovery Services +1

5% Third party verification

De Leadopvolgers, an answering service company and Sales Outsourcing company, was founded in 2021. The agency offers Call Center Services and Sales Outsourcing.
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LeadWarmr

Not yet reviewed

$1,000+

Undisclosed

2 - 9

Bilthoven, Netherlands

Services provided

50% Call Center Services

50% Sales Outsourcing

Focus Areas

100% B2C Telemarketing & telesales

LeadWarmr is a call center and Sales Outsourcing company. They are headquartered in Bilthoven, Netherlands, and their services include Call Center Services and Sales Outsourcing.
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LeadMasters International

Not yet reviewed

$5,000+

Undisclosed

10 - 49

Enschede, Netherlands

Services provided

25% Call Center Services

25% CRM Consulting and SI

25% Customer Service Outsourcing +1

25% Sales Outsourcing

Focus Areas

90% B2C Telemarketing & telesales

5% Collections Recovery Services

5% Customer Surveys & Market Research Calls

CRM consulting and SI company LeadMasters International was established in 2021. The firm specializes in CRM consulting and SI and Call Center Services.
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Enschede, Netherlands

Maarten Harpertszoon Tromplaan
Enschede, Netherlands
10 - 15

0031 303 170

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KISS Marketing & Sales

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Rijswijk, Netherlands

Services provided

50% Call Center Services

50% Back Office Outsourcing

Focus Areas

100% B2C Telemarketing & telesales

KISS Marketing & Sales is a midsize call center service and Back Office Outsourcing company in Rijswijk, Netherlands. The team offers Call Center Services and Back Office Outsourcing.
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Verkoop Tijgers

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Amsterdam, Netherlands

Services provided

50% Call Center Services

25% Customer Service Outsourcing

25% Sales Outsourcing

Focus Areas

100% B2C Telemarketing & telesales

Launched in 2013, Verkoop Tijgers, a small call center service, is headquartered in Amsterdam, Netherlands. Their services include Call Center Services and Customer Service Outsourcing.
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Interswitch BV

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Amsterdam, Netherlands

Services provided

41% Call Center Services

35% Customer Service Outsourcing

14% Sales Outsourcing +1

10% Back Office Outsourcing

Focus Areas

100% B2C Telemarketing & telesales

Founded in 1980, Interswitch BV is an answering service company. The company focuses on Call Center Services and Customer Service Outsourcing, and is small.
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ProSpex

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Amsterdam, Netherlands

Services provided

10% Call Center Services

30% Content Marketing

20% Digital Strategy +3

20% Marketing Strategy

10% Customer Service Outsourcing

10% Sales Outsourcing

Focus Areas

100% B2C Telemarketing & telesales

ProSpex is a Content Marketing company. Launched in 2007, the team focuses on Content Marketing and Digital Strategy.
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Localheroes.world

Not yet reviewed

$1,000+

$25 - $49 / hr

10 - 49

Haarlem, Netherlands

Services provided

80% Call Center Services

20% Sales Outsourcing

Focus Areas

100% B2C Telemarketing & telesales

Localheroes.world is an answering service company. The team is based in Haarlem, Netherlands, and their services include Call Center Services and Sales Outsourcing.
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WEngage

Not yet reviewed

Undisclosed

Undisclosed

250 - 999

Weert, Netherlands

Services provided

25% Call Center Services

25% Back Office Outsourcing

25% Customer Service Outsourcing +1

25% Sales Outsourcing

Focus Areas

100% B2C Telemarketing & telesales

WEngage, an answering service, was launched in 1986. The midsize team provides Call Center Services and Back Office Outsourcing.
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Weert, Netherlands

Schatbeurderlaan 10,
Weert, Netherlands 6002 ED
50 - 75

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Webhelp

Not yet reviewed

Undisclosed

Undisclosed

10,000+

Ede, Netherlands

Services provided

23% Call Center Services

33% Customer Service Outsourcing

15% Sales Outsourcing +17

5% Back Office Outsourcing

5% Business Consulting

5% Finance & Accounting Outsourcing (FAO)

1% AI Development

1% BI & Big Data Consulting & SI

1% CRM Consulting and SI

1% Custom Software Development

1% Digital Strategy

1% Graphic Design

1% HR Consulting

1% Mobile App Development

1% Transcription

1% Translation

1% UX/UI Design

1% Unified Communications Consulting & SI

1% Web Design

1% Web Development

Focus Areas

80% B2C Telemarketing & telesales

10% Collections Recovery Services

10% Customer Surveys & Market Research Calls

Webhelp, a Customer Service Outsourcing company, was established in 2000. The large team provides Customer Service Outsourcing and Call Center Services.
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Ede, Netherlands

Galvanisstraat 9, 6716 AE Ede
Ede, Netherlands 6716 AE
2001 - 5000

+31 (0)88 9324200

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Ability to Deliver considers three criteria:

Client feedback and reviews
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Market presence and reputation in the industry

List of the Top Netherlands Telemarketing Services

De Leadopvolgers

$5,000+

Undisclosed

10 - 49

Enschede, Netherlands

Ability to deliver

6.7/40.0

0/20 Reviews

1.8/10 Clients & Experience

4.9/10 Market Presence

Service focus

50% Call Center Services

80% B2C Telemarketing & telesales

50% Other

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LeadWarmr

$1,000+

Undisclosed

2 - 9

Bilthoven, Netherlands

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

50% Call Center Services

100% B2C Telemarketing & telesales

50% Other

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LeadMasters International

$5,000+

Undisclosed

10 - 49

Enschede, Netherlands

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

25% Call Center Services

90% B2C Telemarketing & telesales

75% Other

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KISS Marketing & Sales

Undisclosed

Undisclosed

50 - 249

Rijswijk, Netherlands

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

50% Call Center Services

100% B2C Telemarketing & telesales

50% Other

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Verkoop Tijgers

Undisclosed

Undisclosed

2 - 9

Amsterdam, Netherlands

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

50% Call Center Services

100% B2C Telemarketing & telesales

50% Other

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Interswitch BV

Undisclosed

Undisclosed

10 - 49

Amsterdam, Netherlands

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

41% Call Center Services

100% B2C Telemarketing & telesales

59% Other

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ProSpex

Undisclosed

Undisclosed

50 - 249

Amsterdam, Netherlands

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

10% Call Center Services

100% B2C Telemarketing & telesales

90% Other

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Localheroes.world

$1,000+

$25 - $49 / hr

10 - 49

Haarlem, Netherlands

Ability to deliver

4.6/40.0

0/20 Reviews

0/10 Clients & Experience

4.6/10 Market Presence

Service focus

80% Call Center Services

100% B2C Telemarketing & telesales

20% Other

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WEngage

Undisclosed

Undisclosed

250 - 999

Weert, Netherlands

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

25% Call Center Services

100% B2C Telemarketing & telesales

75% Other

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Webhelp

Undisclosed

Undisclosed

10,000+

Ede, Netherlands

Ability to deliver

7.2/40.0

0/20 Reviews

0/10 Clients & Experience

7.2/10 Market Presence

Service focus

23% Call Center Services

80% B2C Telemarketing & telesales

77% Other

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Task Virtual

$1,000+

< $25 / hr

50 - 249

Amsterdam, Netherlands

Ability to deliver

27.2/40.0

16.6/20 Reviews

2.2/10 Clients & Experience

8.3/10 Market Presence

Service focus

10% Call Center Services

55% B2C Telemarketing & telesales

90% Other

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Specialties

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Popular Locations in Netherlands

Telemarketing in Amsterdam

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Top Telemarketing Companies in the Netherlands

List of the Top Netherlands Telemarketing Services

Reviews mention Easy to work with

BPO Services for Telecommuniactions & IT Services Company

Average Project Cost Breakdown

What Clients Have Said

six eleven global services is very responsive

Reviews mention Collaborative

Lead Generation for Small Business Loans Company

Appointment Setting and Inside Sales Program for PPO

Outreach Marketing Campaign for Healthcare Service Company

Sales Outsourcing for Software Company

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviewed 1 time in the past 6 months

Call Center Services for Event Staffing Company

Industry Experience

Select Industry to see insights

Tell us what you need — we’ll match you with top agencies in minutes.

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How to Build a Budget for Call Center Services [With Template]

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