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Home Call Centers Telemarketing Serbia Belgrade

Top Telemarketing Companies in Belgrade

Ratings Updated: April 1, 2026
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2 Leaders 10 Contenders

12 Companies

Country: Serbia
City: Belgrade
Outbound Services: B2C Telemarketing & telesales

List of the Top Belgrade 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 Belgrade, Serbia

    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
    1 of 1 Call Center Services reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Call Center Services PROJECT HIGHLIGHT

    Call Center Services for E-Commerce Company

    5.0 — Six eleven global services provides call center services to help an e-commerce company communicate with their customers. The vendor's team asks the end customers about their product experience. Read more
    Read 1 Review

    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)

    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)
    View Profile Visit Website
    SalesRoads Logotype

    SalesRoads

    4.9 65 reviews
    Premier Verified
    $5,000+
    Undisclosed
    50 - 249
    Serves Belgrade, Serbia

    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
    0 of 1 reviews is 5 stars
    Unknown avg. project cost

    Reviewed 1 time in the past 6 months

    Recent reviews of SalesRoads highlight a positive client experience, particularly in their effectiveness in building sales pipelines. A co-CEO noted they successfully booked approximately four meetings per week with qualified leads, showcasing the team's responsiveness and timely project management. However, there is a suggestion for improvement regarding the need for SalesRoads to provide more expert opinions. Overall, the sentiment is favorable, indicating a strong fit for clients seeking sales development support.
    Read 1 Recent Review

    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)

    This provider is available in 1 time zone:

    • Eastern European Time (EET)
    View Profile Visit Website
  • Valoris Center Logotype

    4.9 14 reviews
    Premier Verified
    $1,000+
    < $25 / hr
    250 - 999
    Beograd, Serbia

    Services provided

    50% Call Center Services
    20% Customer Service Outsourcing
    15% Back Office Outsourcing +1
    15% CRM Consulting and SI

    Focus Areas

    50% B2C Telemarketing & telesales
    50% Customer Surveys & Market Research Calls

    Valoris Center is a company specializing in Contact Center Services, offering a comprehensive suite of solutions, including Inbound and Outbound Call Center, Customer Support Services, and Telemarketing Services. Reviews indicate a strong emphasis on punctuality, flexibility, and customer care, with over 85% client satisfaction ratings and notable mentions for their proactive and adaptable approach.

    See all 14 projects
    1 of 2 reviews are 5 stars
    2 new reviews for Call Center Services services
    $50,000 – $199,999 avg. project cost

    Reviewed 2 times in the past 6 months

    In the past six months, clients have praised Valoris Center for their proactive support and flexibility in addressing business needs. The head of CRM at PENNY Romania highlighted their impressive response rates and adaptability, while the Quality Manager at BRT SPA commended their punctuality and excellent team performance. Overall, the sentiment is highly positive, with clients appreciating the value for cost and alignment with company culture, though minor improvements in ticket distribution were suggested.
    Read 2 Recent Reviews
    7 of 9 Call Center Services reviews are 5 stars
    2 new reviews for Call Center Services in past 6 months
    $10,000 – $49,000 avg. project cost

    Call Center Services PROJECT HIGHLIGHT

    Customer Service Outsourcing for Freight Transportation Co

    5.0 — Valoris Center provides customer support services for a freight transportation company. The team assists the client's customers and resolves their main issues and requests. Read more
    Read 9 Reviews

    More responsive than most other service providers

    Valoris Center 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:

    Romania (8) Austria (1) Croatia (1) Italy (1) Russia (1)

    This provider is fluent in 12 languages:

    • English
    • Spanish
    • Russian
    • German
    • French
    • Italian
    • Romanian
    • Serbian
    • Slovenian
    • Bulgarian
    • Dutch
    • Polish
    View Profile Visit Website
  • Silver Bell Group Logotype

    5.0 5 reviews
    Undisclosed
    Undisclosed
    250 - 999
    Beograd, Serbia

    Services provided

    20% Call Center Services
    20% Sales Outsourcing
    10% Customer Service Outsourcing +10
    5% Back Office Outsourcing
    5% Content Marketing
    5% Finance & Accounting Outsourcing (FAO)
    5% Graphic Design
    5% HR Consulting
    5% Mobile App Development
    5% Social Media Marketing
    5% UX/UI Design
    5% Web Design
    5% Web Development

    Focus Areas

    25% B2C Telemarketing & telesales
    25% Collections Recovery Services
    25% Customer Surveys & Market Research Calls +1
    25% Third party verification

    Silver Bell Group is a versatile provider of Contact Center Services, offering robust Customer Support Services, Inbound and Outbound Call Center capabilities, and Telemarketing Services. Over 90% of reviews highlight their exceptional service quality and efficiency, with clients praising their flexibility, ethics, and impressive results in delivering tailored solutions and scalable growth-enhancing models.

    See all 5 projects

    Reviews mention Communicative

    Clients consistently highlight Silver Bell Group's strong communication skills and responsiveness. One client noted, 'The responsiveness has been a strong point of SBG,' emphasizing quick replies to various requests. Additionally, deliverables were provided within reasonable timeframes, showcasing clear communication. While there were occasional lapses in document timelines, these issues were resolved effectively, reflecting the team's adaptability and professionalism. Overall, the sentiment regarding communication is highly positive, with clients appreciating the proactive and personalized support.
    • HR Services for Business Dev Company
      5.0 Jul 28, 2025

      Deliverables were consistently provided within reasonable timeframes and with clear communication. The responsiveness has been a strong point of SBG. Across multiple threads, their project managers responded quickly to requests for: Contract expiration overviews, Salary benchmarks and corrections, Document signing, and agreement finalisation.

      Read Full Review
    Read All Reviews
    2 of 2 Call Center Services reviews are 5 stars
    2 new reviews for Call Center Services in past 6 months
    $200,000 – $999,999 avg. project cost

    Call Center Services PROJECT HIGHLIGHT

    Recruitment Services for Outsourcing Company

    5.0 — Silver Bell Group provided recruitment services for an outsourcing company. The team recruited and onboarded resources for several roles, offered ongoing performance tracking, and handled the Read more
    Read 2 Reviews

    View projects from:

    Netherlands (1) Serbia (1) United Arab Emirates (1) Turkey (1)

    Review Rating from Clients

    5.0/5.0

    Quality

    5.0

    Schedule

    5.0

    Cost

    5.0

    Willing to Refer

    5.0

    Silver Bell Group in Belgrade is recognized for their expertise in digital marketing and creative consulting, focusing on lead generation. Clients commend their punctuality, professionalism, and dedicated project management, which consistently results in successful client acquisition and smooth virtual collaboration.
    Read Local Reviews
    View Profile
  • Trizma Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    250 - 999
    Beograd, Serbia

    Services provided

    30% Call Center Services
    20% Back Office Outsourcing
    10% BI & Big Data Consulting & SI +4
    10% Business Consulting
    10% HR Consulting
    10% IT Managed Services
    10% Sales Outsourcing

    Focus Areas

    50% B2C Telemarketing & telesales
    50% Customer Surveys & Market Research Calls

    Trizma, a call center service, specializes in Call Center Services and Back Office Outsourcing. The firm is headquartered in Beograd, Serbia.

    Read more
    View Profile

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  • The Contact Service Logotype

    Not yet reviewed

    $5,000+
    < $25 / hr
    50 - 249
    Beograd, Serbia

    Services provided

    30% Call Center Services
    40% Customer Service Outsourcing
    15% Finance & Accounting Outsourcing (FAO) +2
    10% Back Office Outsourcing
    5% Content Marketing

    Focus Areas

    100% B2C Telemarketing & telesales

    Customer Service Outsourcing company The Contact Service was founded in 2014. The midsize team specializes in Customer Service Outsourcing and Call Center Services.

    Read more
    View Profile
  • lalallalalala Logotype

    Not yet reviewed

    $5,000+
    < $25 / hr
    50 - 249
    Beograd, Serbia

    Services provided

    27% Call Center Services
    18% Back Office Outsourcing
    15% Customer Service Outsourcing +8
    10% Finance & Accounting Outsourcing (FAO)
    10% IT Managed Services
    5% Business Consulting
    5% Corporate Training & Coaching
    5% HR Outsourcing
    2% Recruiting
    2% Staffing
    1% HR Consulting

    Focus Areas

    67% B2C Telemarketing & telesales
    33% Customer Surveys & Market Research Calls

    Lalallalalala is a Beograd, Serbia-based call center. Founded in 2020, the team specializes in Call Center Services and Back Office Outsourcing.

    Read more
    View Profile
  • EURODESK Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    50 - 249
    Beograd, Serbia

    Services provided

    65% Call Center Services
    20% Customer Service Outsourcing
    15% IT Managed Services

    Focus Areas

    100% B2C Telemarketing & telesales

    EURODESK, an answering service company, was founded in 2011. The team offers Call Center Services and Customer Service Outsourcing and is located in Beograd, Serbia.

    Read more
    View Profile
  • Call Center 8 Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Beograd, Serbia

    Services provided

    50% Call Center Services
    50% Sales Outsourcing

    Focus Areas

    100% B2C Telemarketing & telesales

    Call Center 8 is a small Beograd, Serbia-based call center and Sales Outsourcing company. The team specializes in Call Center Services and Sales Outsourcing.

    Read more
    View Profile
  • AMC Global Solutions Logotype

    Not yet reviewed

    $5,000+
    < $25 / hr
    10 - 49
    Beograd, Serbia

    Services provided

    50% Call Center Services
    50% Customer Service Outsourcing

    Focus Areas

    30% B2C Telemarketing & telesales
    25% Customer Surveys & Market Research Calls
    25% Third party verification +1
    20% Collections Recovery Services

    AMC Global Solutions is a Beograd, Serbia-based call center company and Customer Service Outsourcing company. Founded in 2023, the team offers Call Center Services and Customer Service Outsourcing.

    Read more
    View Profile
  • Intelli Solutions S.A. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Beograd, Serbia

    Services provided

    20% Call Center Services
    20% Back Office Outsourcing
    20% Business Consulting +2
    20% Custom Software Development
    20% Customer Service Outsourcing

    Focus Areas

    100% B2C Telemarketing & telesales

    Intelli Solutions S.A. Is a custom software development company. The team provides Custom Software Development and Business Consulting, and the company is based in Athina, Greece and Nicosia,

    Read more

    Beograd, Serbia

    Pancevacki Put 38 P.C.
    Beograd, Serbia 11000

    16 - 20

    +381 113319317

    See All Locations (4)
    View Profile
  • Rely Staff Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Novi Sad, Serbia

    Services provided

    30% Call Center Services
    30% Back Office Outsourcing
    30% Customer Service Outsourcing +1
    10% Sales Outsourcing

    Focus Areas

    25% B2C Telemarketing & telesales
    25% Collections Recovery Services
    25% Customer Surveys & Market Research Calls +1
    25% Third party verification

    Rely Staff is a call center established in 2021. The team focuses on Call Center Services and Back Office Outsourcing and is located in Novi Sad, Serbia.

    Read more
    View Profile
  • Callosseum Call Centre Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Beograd, Serbia

    Services provided

    50% Call Center Services
    25% Customer Service Outsourcing
    25% Sales Outsourcing

    Focus Areas

    100% B2C Telemarketing & telesales

    Callosseum Call Centre is a call center company in Beograd, Serbia. They specialize in Call Center Services and Sales Outsourcing.

    Read more
    View Profile
  • ICM International Call Center Marketing Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Beograd, Serbia

    Services provided

    80% Call Center Services
    10% Customer Service Outsourcing
    10% Sales Outsourcing

    Focus Areas

    50% B2C Telemarketing & telesales
    50% Customer Surveys & Market Research Calls

    ICM International Call Center Marketing is a call center service launched in 2014. The team specializes in Call Center Services and Sales Outsourcing and is located in Beograd, Serbia.

    Read more
    View Profile

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Ability to deliver
Focus
Clutch Leaders Matrix

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

1 Valoris Center
2 Silver Bell Group

List of the Top 2 Belgrade Telemarketing Services

  1. Valoris Center Logotype

    Valoris Center

    $1,000+
    < $25 / hr
    250 - 999
    Beograd, Serbia

    Ability to deliver

    33.3/40.0
    17.6/20 Reviews
    8.2/10 Clients & Experience
    7.5/10 Market Presence

    Service focus

    50% Call Center Services
    50% B2C Telemarketing & telesales
    50% Other
    View Profile Visit Website
  2. Silver Bell Group Logotype

    Silver Bell Group

    Undisclosed
    Undisclosed
    250 - 999
    Beograd, Serbia

    Ability to deliver

    26.9/40.0
    17.6/20 Reviews
    2.8/10 Clients & Experience
    6.5/10 Market Presence

    Service focus

    20% Call Center Services
    25% B2C Telemarketing & telesales
    80% Other
    View Profile Visit Website
  3. Trizma Logotype

    Trizma

    $1,000+
    $25 - $49 / hr
    250 - 999
    Beograd, Serbia

    Ability to deliver

    5.5/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    30% Call Center Services
    50% B2C Telemarketing & telesales
    70% Other
    View Profile Visit Website
  4. The Contact Service Logotype

    The Contact Service

    $5,000+
    < $25 / hr
    50 - 249
    Beograd, Serbia

    Ability to deliver

    5.2/40.0
    0/20 Reviews
    1.2/10 Clients & Experience
    4/10 Market Presence

    Service focus

    30% Call Center Services
    100% B2C Telemarketing & telesales
    70% Other
    View Profile Visit Website
  5. lalallalalala Logotype

    lalallalalala

    $5,000+
    < $25 / hr
    50 - 249
    Beograd, Serbia

    Ability to deliver

    4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    27% Call Center Services
    67% B2C Telemarketing & telesales
    73% Other
    View Profile Visit Website
  6. EURODESK Logotype

    EURODESK

    $1,000+
    $25 - $49 / hr
    50 - 249
    Beograd, Serbia

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    65% Call Center Services
    100% B2C Telemarketing & telesales
    35% Other
    View Profile Visit Website
  7. Call Center 8 Logotype

    Call Center 8

    $1,000+
    $25 - $49 / hr
    10 - 49
    Beograd, Serbia

    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
  8. AMC Global Solutions Logotype

    AMC Global Solutions

    $5,000+
    < $25 / hr
    10 - 49
    Beograd, Serbia

    Ability to deliver

    4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    50% Call Center Services
    30% B2C Telemarketing & telesales
    50% Other
    View Profile Visit Website
  9. Intelli Solutions S.A. Logotype

    Intelli Solutions S.A.

    Undisclosed
    Undisclosed
    50 - 249
    Beograd, Serbia

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    20% Call Center Services
    100% B2C Telemarketing & telesales
    80% Other
    View Profile Visit Website
  10. Rely Staff Logotype

    Rely Staff

    $1,000+
    < $25 / hr
    10 - 49
    Novi Sad, Serbia

    Ability to deliver

    6.3/40.0
    0/20 Reviews
    1.8/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    30% Call Center Services
    25% B2C Telemarketing & telesales
    70% Other
    View Profile Visit Website
  11. Callosseum Call Centre Logotype

    Callosseum Call Centre

    Undisclosed
    Undisclosed
    10 - 49
    Beograd, Serbia

    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
  12. ICM International Call Center Marketing Logotype

    ICM International Call Center Marketing

    Undisclosed
    Undisclosed
    50 - 249
    Beograd, Serbia

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    80% Call Center Services
    50% B2C Telemarketing & telesales
    20% Other
    View Profile Visit Website

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