Leave a Review For Providers 0 0
  • Post a Project
Home Call Centers Telemarketing Netherlands Amsterdam

Top Telemarketing Companies in Amsterdam

Ratings Updated: April 3, 2026
We verify reviews and evaluate companies so you can choose with confidence. We may earn a fee for some placements. Learn how Clutch ensures trust
Get Matched

0 Leaders 7 Contenders

7 Companies

Country: Netherlands
City: Amsterdam
Outbound Services: B2C Telemarketing & telesales

List of the Top Amsterdam Telemarketing Services

  • Featured

    What are Featured Providers?

    six eleven global services Logotype

    six eleven global services

    4.8 10 reviews
    Verified
    $1,000+
    < $25 / hr
    1,000 - 9,999
    Serves Amsterdam, 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.

    See all 10 projects

    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.

      Read Full Review
    Read All Reviews

    Industry Experience

    Six Eleven Global Services has demonstrated strengths in various industries, including Advertising & Marketing, Logistics & Supply Chain, Beauty & Cosmetics, Telecommunications, Consulting, and Wellness & Fitness. Clients praised their effective communication, high-quality service, and responsiveness. They excelled in providing customer support and managing projects with impressive accuracy, particularly in Logistics and Telecommunications where they ensured operational efficiency. Overall, they are a strong fit for companies seeking reliable outsourcing solutions in these sectors.

    Read All Reviews

    Select Industry to see insights

    Logistics & Supply Chain Advertising & marketing Beauty & Cosmetics Telecommunications Consulting Wellness & Fitness

    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.
    Get in Touch

    View projects from:

    United States (6) Canada (1) Malaysia (1)
    View Profile Visit Website
    SalesRoads Logotype

    SalesRoads

    4.9 65 reviews
    Premier Verified
    $5,000+
    Undisclosed
    50 - 249
    Serves Amsterdam, Netherlands

    Services provided

    10% Call Center Services
    80% Sales Outsourcing
    10% Email Marketing

    Focus Areas

    100% Customer Surveys & Market Research Calls

    SalesRoads is a leading provider of Contact Center Services, specializing in outbound call center and telemarketing services. The company consistently receives positive feedback, with 100% of reviewers highlighting their efficient project management and results-driven approach. Approximately 86% of clients praise their ability to enhance lead generation and surpass sales goals, demonstrating their commitment to client success and strategic execution.

    See all 65 projects

    Reviews mention Professional

    The overall sentiment regarding professionalism is highly positive, with clients consistently praising VSA Prospecting and SalesRoads for their strategic project management and responsiveness. For instance, one client noted VSA's 'professional and strategic' management, while another highlighted their 'exceptional customer service' and 'flexibility' in adapting to project needs. Clients appreciated their commitment to excellence, with one stating they exceeded expectations and delivered results promptly. Overall, the feedback underscores both companies' dedication to professionalism and client satisfaction.
    • Outbound Calls for Communication Platform
      4.5 Mar 12, 2021

      After only a 2 hour kickoff call and a short week of training, they were up-to-speed, put together an impressive playbook, and were ready to dive in and start making calls. Where a typical ramp for a new hire can take weeks, if not months, they adjusted in days and immediately began making an impact. Their professionalism, feedback reporting, and quality of the BDRs are absolutely top notch!

      Read Full Review
    • Appointment Setting for Brand Services Company
      5.0 Oct 22, 2018

      They were very professional and results-oriented. They always had our best interests in mind and became part of our team.

      Read Full Review
    • Sales Prospecting & Lead Generation for Robotics Company
      5.0 May 3, 2024

      VSA's project management was very professional and strategic. Their team went above and beyond to ensure that our initial requests were met, in a timely way. VSA also was quick to make changes to scripts and cadence, upon our request, with no loss in productivity!

      Read Full Review
    • Lead Generation & Appointment Setting for Software Co.
      5.0 Jul 5, 2019

      Their analytics reporting was spot on and provided a lot of valuable data from the campaign. They were also extremely professional and confidential on the phone, representing our organization's initiatives very well as the first point of contact for potential clients. We mostly communicated with them through email, touching base by phone at least once a week.

      Read Full Review
    • Appointment Setting for Consulting Firm
      4.5 May 31, 2019

      We get a lot of compliments from our clients about VSA's professionalism. We usually use email and phone to stay in touch and it's been a very smooth process. They're very thorough, organized, and capable.

      Read Full Review
    Read All Reviews

    Industry Experience

    SalesRoads has demonstrated expertise across various industries, including Software, Manufacturing, Financial Services, Healthcare, and Education. Client feedback consistently highlights their strong communication, adaptability, and ability to generate high-quality leads and appointments. Overall sentiment is highly positive, particularly in Software and Financial Services, where they effectively enhanced sales pipelines and lead generation. Their collaborative approach and focus on understanding client needs make them a valuable partner for companies seeking robust outbound sales support.

    Read All Reviews

    Select Industry to see insights

    Software Manufacturing Real estate Financial services Design Healthcare Business services Nonprofit IT Services Engineering Human Resources Consumer Products Other Industry Education Retail Legal Advertising & marketing Information technology

    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

    Clients consistently highlight SalesRoads' excellent value for money, often noting their cost-effectiveness compared to competitors. For instance, one client stated that they achieved a 100% ROI, while another mentioned substantial revenue growth attributed to SalesRoads' efforts. Many reviews emphasize the company's adaptability and responsiveness, with clients appreciating the quality of leads generated and the overall positive impact on their sales pipelines. Overall, the sentiment is highly favorable regarding the balance between cost and value delivered.
    Read All Reviews

    View projects from:

    United States (61) Canada (2) Austria (1) Spain (1)
    View Profile Visit Website
  • Verkoop Tijgers Logotype

    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.

    Read more
    View Profile
  • Interswitch BV Logotype

    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.

    Read more
    View Profile
  • ProSpex Logotype

    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.

    Read more
    View Profile

    • Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.

    Get My Matches
  • LeadWarmr Logotype

    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.

    Read more
    View Profile
  • KISS Marketing & Sales Logotype

    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.

    Read more
    View Profile
  • Webhelp Logotype

    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.

    Read more

    Ede, Netherlands

    Galvanisstraat 9, 6716 AE Ede
    Ede, Netherlands 6716 AE

    2001 - 5000

    +31 (0)88 9324200

    See All Locations (52)
    View Profile
  • Localheroes.world Logotype

    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.

    Read more
    View Profile

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

Get My Matches
tracking image

Why Trust Clutch

At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.

We evaluate service providers using a structured methodology that combines:

  • In-depth client interviews and ratings
  • Comprehensive project details
  • Market presence
  • Portfolio examples and industry recognition

This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.

We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.

Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.

Ability to deliver
Focus
Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

List of the Top Amsterdam Telemarketing Services

  1. Verkoop Tijgers Logotype

    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
    View Profile Visit Website
  2. Interswitch BV Logotype

    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
    View Profile Visit Website
  3. ProSpex Logotype

    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
    View Profile Visit Website
  4. LeadWarmr Logotype

    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
    View Profile Visit Website
  5. KISS Marketing & Sales Logotype

    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
    View Profile Visit Website
  6. Webhelp Logotype

    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
    View Profile Visit Website
  7. Localheroes.world Logotype

    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
    View Profile Visit Website

Latest Telemarketing Articles

See all articles
How to Build a Budget for Call Center Services [With Template] cover image

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

Updated March 27, 2026
Sydney Wess

Call center costs can add up over time, so it’s important that companies establish a thorough budget plan before outsourcing.

Call Center Budget Template
Guide to Call Center Outsourcing cover image

Guide to Call Center Outsourcing

Updated March 24, 2026
Hannah Hicklen

Call center outsourcing is when a company hires a BPO service provider to handle inbound or outbound calls.

Call Center Outsourcing
How To Hire a Call Center in 4 Steps cover image

How To Hire a Call Center in 4 Steps

Updated March 24, 2026
Sydney Wess

Looking to hire a call center? Connecting with a reliable team has never been easier— check out our quick 4-step process to find the perfect partnership.

Call Center Outsourcing

Similar Categories

Related Services

BPO in Amsterdam Human Resources in Amsterdam Consulting in Amsterdam Call Centers in Amsterdam Translation in Amsterdam Real Estate in Amsterdam Logistics & Supply Chain Consulting in Amsterdam Contract Manufacturing in Amsterdam Customs Brokerage in Amsterdam

Specialties

Telemarketing Outbound Answering Services Lead Generation Order Processing Sales Outsourcing Virtual Receptionist Appointment Setting Inbound Appointment Setting
View More

Get personalized agency matches based on your project goals.