Top Call Center Services & Voice Services in Belgrade

Ratings Updated: July 21, 2026

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21 Companies

Country: Serbia

City: Belgrade

List of the Top Belgrade Call Center Companies & Voice Services

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What are Featured Providers?
Simply Contact

4.8 26 reviews
Verified

$1,000+

< $25 / hr

250 - 999

Serves Belgrade, Serbia

Services provided

35% Call Center Services

55% Customer Service Outsourcing

10% Back Office Outsourcing

Simply Contact is a distinguished provider of Contact Center Services and Customer Support Services, recognized for managing inbound and outbound customer interactions across multiple languages and channels. Reviews highlight their expertise in delivering exceptional service, with 100% of clients noting impressive project management and communication. Approximately 90% of reviews emphasize their ability to enhance customer satisfaction and streamline support systems, underscoring their reliability and adaptability.

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Reviews mention Easy to work with
Simply Contact has received consistently positive feedback regarding their ease of collaboration. Clients noted their responsiveness and adaptability, with one CEO stating they were 'reliable, easy to work with,' and highlighted their flexibility in addressing project needs. A Marketing Manager praised the team's accessibility and proactive adjustments, ensuring a stress-free experience. Additionally, a Growth Manager emphasized their team's approachability and effective communication, differentiating them from other vendors. Overall, sentiment reflects a strong satisfaction with Simply Contact's cooperative and supportive nature.

Multilingual Client Support for Customer Service Provider

4.0 May 16, 2022

We have 2 more other outsourced teams/vendors working with us. We used to have 5 and had to let the others go. We kept their team because they are very easy to talk to and easy to deal with. Also they are the only team that has German and Japanese speakers.
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Customer Service Outsourcing for AdTech Company

4.0 Dec 9, 2024

They were reliable, easy to work with, and helped make our support operations run smoothly. Simply Connect managed the project well, delivering everything on time as promised. They were responsive and easy to work with, quickly addressing any questions or adjustments we needed along the way. Their flexibility and clear communication made the whole process smooth and stress-free.
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12 of 15 Call Center Services reviews are 5 stars

$200,000 – $999,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Staffing for Government Helpline
5.0 — Simply Contact provides staff to a government hotline's team; they hire and train call center agents to cover workflows around the clock. They've organized the hotline's IT structure, monitoring, Read more
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Industry Experience

Simply Contact has demonstrated strong capabilities across various industries, including Information Technology, Financial Services, Education, Advertising & Marketing, and others. Reviews indicate a consistent ability to enhance customer support processes, improve satisfaction rates, and provide multilingual assistance. Clients praised their adaptability, project management, and quick onboarding of agents. Overall, sentiment is positive, particularly in IT, education, and marketing sectors, suggesting that Simply Contact is well-suited for projects requiring efficient customer service solutions.
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Software Business services Information technology Financial services Education IT Services Arts, entertainment & music Retail Hospitality & leisure Human Resources Telecommunications Advertising & marketing

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Ukraine (8) United States (7) England (4) Israel (1) Italy (1) Latvia (1) Philippines (1)

This provider is fluent in 17 languages:

English

Spanish

Arabic

Russian

German

French

Italian

Polish

Ukrainian

Romanian

Dutch

Czech

View all languages

This provider is available in 12 time zones:

Middle East Time (MET)

Gulf Standard Time (GST)

Greenwich Mean Time (GMT)

Arabia Standard Time (AST)

Central African Time (CAT)

Eastern African Time (EAT)

Israel Daylight Time (IDT)

Central European Time (CET)

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SupportYourApp

4.8 87 reviews

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Clutch conducts a rigorous verification process, confirming a provider’s business registration, legal history, credit background, and client feedback to be legitimate, so you can trust their ability to deliver. Learn More

Premier Verified

$1,000+

< $25 / hr

1,000 - 9,999

Serves Belgrade, Serbia

Services provided

30% Call Center Services

30% Customer Service Outsourcing

20% AI Agents +2 services

15% Back Office Outsourcing

5% Data Annotation Services

SupportYourApp is a Customer Support Services company providing comprehensive Contact Center Services, including inbound and outbound call handling, phone support, and customer care solutions. The overwhelmingly positive feedback highlights their ability to rapidly scale teams and deliver timely, high-quality support that effectively boosts customer satisfaction and response times. Over 90% of reviewers commend their flexibility, project management, and alignment with client needs.

See all 87 projects
Reviews mention Detail-oriented
Clients have noted SupportYourApp's strong attention to detail, highlighting instances of proactivity and efficient communication despite time zone differences. One client emphasized their consultant's ability to handle customer communication effectively, contributing to increased customer satisfaction and retention. Overall, the sentiment is highly positive, with clients expressing satisfaction with the level of detail and dedication demonstrated in the services provided.

App Management & Support for Learning Tech Company

5.0 Sep 19, 2024

The consultant demonstrates proactiveness, attention to detail, and is able to work even in a time zone completely different from the main team's. We're more than satisfied with SupportYourApp's services and can evaluate the consultant’s work and dedication as 10/10.
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7 of 11 reviews are 5 stars

1 new review for Call Center Services services

$200,000 – $999,999 avg. project cost

Reviewed 11 times in the past 6 months
In the last six months, SupportYourApp has received positive feedback for its flexibility, responsiveness, and effective project management. Clients praised the team's ability to integrate seamlessly, improve operational efficiency, and deliver timely results. For instance, one client highlighted that SupportYourApp significantly increased their frontline support capacity, while another noted their proactive communication and commitment to quality. However, one review pointed out a lack of ownership and accountability in service delivery, indicating room for improvement in some areas.
Read 11 Recent Reviews

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30 of 33 Call Center Services reviews are 5 stars

1 new review for Call Center Services in past 6 months

$50,000 – $199,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Water & Energy Metering Company
5.0 — SupportYourApp provides customer care services for a water and energy metering company. The team answers first-level questions, handles hotline calls, and provides TeamViewer problem-solving. Read more
Read 33 Reviews

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United States (25) Ukraine (7) Israel (6) England (5) Germany (3) Netherlands (3) Czech Republic (2) Denmark (2) Sweden (2) Ireland (2) Luxembourg (1) Poland (1) Austria (1) Malta (1) Greece (1) New Zealand (1) Norway (1) Italy (1) Russia (1) France (1) Switzerland (1) Costa Rica (1) Canada (1) Bahamas (1)

This provider is fluent in 31 languages:

English

Spanish

Arabic

Bengali

Hindi

Russian

Portuguese

Japanese

German

Korean

French

Turkish

View all languages

This provider is available in 33 time zones:

Colombia Time (COT)

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Gulf Standard Time (GST)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

Japan Standard Time (JST)

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Hugo Inc.

5.0 28 reviews
Verified

$1,000+

< $25 / hr

1,000 - 9,999

Serves Belgrade, Serbia

Services provided

20% Call Center Services

25% Customer Service Outsourcing

15% Back Office Outsourcing +4 services

10% Content Moderation Services

10% Data Annotation Services

10% Finance & Accounting Outsourcing (FAO)

10% Sales Outsourcing

Hugo Inc. | Top CX Provider is a distinguished company specializing in Contact Center Services, offering comprehensive Customer Support Services across various channels such as email, chat, and phone. The client reviews highlight their adaptability and efficiency, with 100% positive feedback on their seamless integration and ability to enhance customer engagement capabilities, resulting in impressive metrics like a 99.8% accuracy in order processing and fulfillment.

See all 28 projects
Reviews mention Efficient
Hugo Inc. has received overwhelmingly positive feedback regarding their efficiency. Clients highlighted their remarkable ability to streamline processes, exemplified by one client noting a reduction in partner integration time from three weeks to one. Another remarked on their swift ramp-up of call center operations, significantly enhancing customer engagement. Reviewers consistently praised Hugo's proactive project management and seamless integration into existing workflows, with one client stating they delivered an 80% improvement in efficiency compared to in-house efforts.

Back Office Outsourcing for E-Commerce Co

5.0 Sep 24, 2024

They've improved our back-office efficiency and compliance standards while demonstrating remarkable adaptability as we've expanded. Hugo's ability to scale their services to match our growth without compromising quality has been crucial to our success.
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Outsourced Accounting & Content Writing for IT Services Firm

4.5 Sep 11, 2023

Hugo has been a game-changer for our business. Their specialization in outsourced accounting, finance, and content writing has not only freed up significant capacity but also improved efficiency compared to in-house hiring.
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CX Outsourcing for Financial Services Firm

5.0 Apr 25, 2025

Hugo's project management has been great! They moved from contract signing to pilot launch in 1 week, demonstrating remarkable efficiency. Our communication flows seamlessly through Slack with weekly calibration calls keeping everything on track.
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Call Center Services for Automotive Company

5.0 Jun 27, 2024

What we found most impressive about Hugo was their seamless integration into our existing operations while significantly enhancing our customer engagement capabilities. Their adaptability in handling multiple communication channels (email, chat, WhatsApp) and their swift ramp-up of our call center team demonstrated remarkable efficiency.
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Industry Experience

Hugo Inc. has received positive feedback across various industries, including Financial Services, eCommerce, Automotive, Information Technology, Gaming, Media, and Advertising & Marketing. Clients commend their expertise in enhancing customer support, streamlining operations, and driving revenue growth. In Financial Services, they excel at global customer experience management; in eCommerce, they improve back-office efficiency. Their adaptable project management and commitment to quality have resulted in measurable outcomes such as increased transaction volume and improved customer satisfaction, making them a reliable partner for businesses seeking growth and operational excellence.
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Media Information technology Financial services eCommerce Automotive Food & Beverages Software Environmental Services Advertising & marketing Gaming

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Average Project Cost Breakdown

$50,000 to $199,999 (7) $200,000 to $999,999 (6) $10,000 to $49,000 (2)

What Clients Have Said
Clients consistently commend Hugo Inc. for providing excellent value for money, noting that their services align well with project costs. For instance, a CMO highlighted Hugo's 'good value for cost' in scaling customer experience infrastructure, while a Head of Finance remarked on their 'great culture fit' and 'good value for cost.' Overall, the sentiment reflects satisfaction with the pricing relative to the quality and impact of services delivered, reinforcing Hugo's reputation as a cost-effective partner.
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United States (9) Kenya (3) France (1) Netherlands (1) United Arab Emirates (1) England (1)

This provider is fluent in 54 languages:

Mandarin

English

Spanish

Arabic

Bengali

Hindi

Russian

Portuguese

Japanese

German

Javanese

Korean

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This provider is available in 38 time zones:

Colombia Time (COT)

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Gulf Standard Time (GST)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

India Standard Time (IST)

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Simply Contact

4.8 26 reviews
Verified

$1,000+

< $25 / hr

250 - 999

Serves Belgrade, Serbia

Services provided

35% Call Center Services

55% Customer Service Outsourcing

10% Back Office Outsourcing

Simply Contact is a distinguished provider of Contact Center Services and Customer Support Services, recognized for managing inbound and outbound customer interactions across multiple languages and channels. Reviews highlight their expertise in delivering exceptional service, with 100% of clients noting impressive project management and communication. Approximately 90% of reviews emphasize their ability to enhance customer satisfaction and streamline support systems, underscoring their reliability and adaptability.

See all 26 projects
Reviews mention Easy to work with
Simply Contact has received consistently positive feedback regarding their ease of collaboration. Clients noted their responsiveness and adaptability, with one CEO stating they were 'reliable, easy to work with,' and highlighted their flexibility in addressing project needs. A Marketing Manager praised the team's accessibility and proactive adjustments, ensuring a stress-free experience. Additionally, a Growth Manager emphasized their team's approachability and effective communication, differentiating them from other vendors. Overall, sentiment reflects a strong satisfaction with Simply Contact's cooperative and supportive nature.

Multilingual Client Support for Customer Service Provider

4.0 May 16, 2022

We have 2 more other outsourced teams/vendors working with us. We used to have 5 and had to let the others go. We kept their team because they are very easy to talk to and easy to deal with. Also they are the only team that has German and Japanese speakers.
Read Full Review

Customer Service Outsourcing for AdTech Company

4.0 Dec 9, 2024

They were reliable, easy to work with, and helped make our support operations run smoothly. Simply Connect managed the project well, delivering everything on time as promised. They were responsive and easy to work with, quickly addressing any questions or adjustments we needed along the way. Their flexibility and clear communication made the whole process smooth and stress-free.
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12 of 15 Call Center Services reviews are 5 stars

$200,000 – $999,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Staffing for Government Helpline
5.0 — Simply Contact provides staff to a government hotline's team; they hire and train call center agents to cover workflows around the clock. They've organized the hotline's IT structure, monitoring, Read more
Read 15 Reviews

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Industry Experience

Simply Contact has demonstrated strong capabilities across various industries, including Information Technology, Financial Services, Education, Advertising & Marketing, and others. Reviews indicate a consistent ability to enhance customer support processes, improve satisfaction rates, and provide multilingual assistance. Clients praised their adaptability, project management, and quick onboarding of agents. Overall, sentiment is positive, particularly in IT, education, and marketing sectors, suggesting that Simply Contact is well-suited for projects requiring efficient customer service solutions.
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Select Industry to see insights

Software Business services Information technology Financial services Education IT Services Arts, entertainment & music Retail Hospitality & leisure Human Resources Telecommunications Advertising & marketing

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View projects from:

Ukraine (8) United States (7) England (4) Israel (1) Italy (1) Latvia (1) Philippines (1)

This provider is fluent in 17 languages:

English

Spanish

Arabic

Russian

German

French

Italian

Polish

Ukrainian

Romanian

Dutch

Czech

View all languages

This provider is available in 12 time zones:

Middle East Time (MET)

Gulf Standard Time (GST)

Greenwich Mean Time (GMT)

Arabia Standard Time (AST)

Central African Time (CAT)

Eastern African Time (EAT)

Israel Daylight Time (IDT)

Central European Time (CET)

View all time zones

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SupportYourApp

4.8 87 reviews

Look for Verified Providers

Clutch conducts a rigorous verification process, confirming a provider’s business registration, legal history, credit background, and client feedback to be legitimate, so you can trust their ability to deliver. Learn More

Premier Verified

$1,000+

< $25 / hr

1,000 - 9,999

Beograd, Serbia

Services provided

30% Call Center Services

30% Customer Service Outsourcing

20% AI Agents +2 services

15% Back Office Outsourcing

5% Data Annotation Services

SupportYourApp is a Customer Support Services company providing comprehensive Contact Center Services, including inbound and outbound call handling, phone support, and customer care solutions. The overwhelmingly positive feedback highlights their ability to rapidly scale teams and deliver timely, high-quality support that effectively boosts customer satisfaction and response times. Over 90% of reviewers commend their flexibility, project management, and alignment with client needs.

See all 87 projects
Reviews mention Detail-oriented
Clients have noted SupportYourApp's strong attention to detail, highlighting instances of proactivity and efficient communication despite time zone differences. One client emphasized their consultant's ability to handle customer communication effectively, contributing to increased customer satisfaction and retention. Overall, the sentiment is highly positive, with clients expressing satisfaction with the level of detail and dedication demonstrated in the services provided.

App Management & Support for Learning Tech Company

5.0 Sep 19, 2024

The consultant demonstrates proactiveness, attention to detail, and is able to work even in a time zone completely different from the main team's. We're more than satisfied with SupportYourApp's services and can evaluate the consultant’s work and dedication as 10/10.
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7 of 11 reviews are 5 stars

1 new review for Call Center Services services

$200,000 – $999,999 avg. project cost

Reviewed 11 times in the past 6 months
In the last six months, SupportYourApp has received positive feedback for its flexibility, responsiveness, and effective project management. Clients praised the team's ability to integrate seamlessly, improve operational efficiency, and deliver timely results. For instance, one client highlighted that SupportYourApp significantly increased their frontline support capacity, while another noted their proactive communication and commitment to quality. However, one review pointed out a lack of ownership and accountability in service delivery, indicating room for improvement in some areas.
Read 11 Recent Reviews

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30 of 33 Call Center Services reviews are 5 stars

1 new review for Call Center Services in past 6 months

$50,000 – $199,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Water & Energy Metering Company
5.0 — SupportYourApp provides customer care services for a water and energy metering company. The team answers first-level questions, handles hotline calls, and provides TeamViewer problem-solving. Read more
Read 33 Reviews

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View projects from:

United States (25) Ukraine (7) Israel (6) England (5) Germany (3) Netherlands (3) Czech Republic (2) Denmark (2) Sweden (2) Ireland (2) Luxembourg (1) Poland (1) Austria (1) Malta (1) Greece (1) New Zealand (1) Norway (1) Italy (1) Russia (1) France (1) Switzerland (1) Costa Rica (1) Canada (1) Bahamas (1)

This provider is fluent in 31 languages:

English

Spanish

Arabic

Bengali

Hindi

Russian

Portuguese

Japanese

German

Korean

French

Turkish

View all languages

This provider is available in 33 time zones:

Colombia Time (COT)

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Gulf Standard Time (GST)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

Japan Standard Time (JST)

View all time zones

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Global Bond DOO

Not yet reviewed
Verified

$5,000+

< $25 / hr

50 - 249

Beograd, Serbia

Services provided

80% Call Center Services

10% Business Consulting

5% Accounting +1 service

5% HR Consulting

Launched in 2016, Global Bond DOO is an answering service company. The agency offers Call Center Services and Business Consulting, and is midsize.
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Silver Bell Group

5.0 5 reviews

Undisclosed

Undisclosed

250 - 999

Beograd, Serbia

Services provided

20% Call Center Services

20% Sales Outsourcing

10% Customer Service Outsourcing +10 services

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

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 Proactive
Clients consistently praised Silver Bell Group for their proactive and personalized support, noting the establishment of strong relationships with project managers and recruitment staff. Feedback highlighted their responsiveness, particularly in addressing contract and salary queries promptly. While there were minor suggestions for improved timeline management and communication clarity, overall sentiment emphasized the company's reliability and adaptability, reinforcing their proactive approach to client needs.

HR Services for Business Dev Company

5.0 Jul 28, 2025

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, and document signing and agreement finalisation. Proactive and Personalised Support established a strong relationship with the project manager and recruitment staff. There were occasional moments where document timelines or communication clarity could have been improved. These instances were always resolved smoothly, and the team showed strong adaptability and professionalism. With a bit more proactive workload planning and early clarification, it could become even more seamless.
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Industry Experience

Silver Bell Group has demonstrated strong expertise across various industries, including Financial Services, Business Services, Advertising & Marketing, and Production. Clients consistently commend their high-quality talent acquisition, operational support, and effective lead generation strategies. Feedback highlights their responsiveness, professionalism, and adaptability, positioning them as a reliable partner for companies seeking scalability and efficiency. Overall, the sentiment is highly positive, suggesting a strong fit for businesses in need of robust staffing and operational solutions.
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Advertising & marketing Financial services Business services Other Industry

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Average Project Cost Breakdown

$200,000 to $999,999 (2) $10,000 to $49,000 (1) $1,000,000 to $9,999,999 (1)

What Clients Have Said
Clients consistently express satisfaction with Silver Bell Group's pricing, noting it as a good fit for their budgets and recognizing the value for money provided. One client emphasized that their collaboration exceeded expectations, describing it as the 'gold standard of win-win partnership'. Another remarked on the transparent pricing with no hidden fees, which allows for scalable hiring. Overall, the sentiment reflects a strong appreciation for the cost-effectiveness and quality of service received.
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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Belgrade-based clients praise Silver Bell Group for their punctuality, strong work ethic, and effective project management in digital marketing and lead generation projects, emphasizing their ability to deliver timely results and find the right clients.
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GDC Services

4.8 2 reviews

$25,000+

$25 - $49 / hr

50 - 249

Beograd, Serbia

Services provided

10% Call Center Services

20% Cloud Consulting & SI

20% Customer Service Outsourcing +4 services

15% Application Management & Support

15% IT Managed Services

10% IT Staff Augmentation

10% IT Strategy Consulting

GDC Services is a cybersecurity company specializing in securing digital environments and testing applications, including websites and mobile applications. Reviews highlight their professionalism and expertise, with 100% of feedback indicating successful outcomes, such as stable, breach-free websites. Clients appreciate their value for money and effective project management, suggesting room for growth in offering additional services.

See all 2 projects

Industry Experience

GDC Services has demonstrated expertise in the financial services industry, particularly in banking, where they provided security solutions that resulted in stable website operations without breaches. Clients praised their professionalism, project management, and clear communication. The overall sentiment is positive, emphasizing their value for cost and strong project delivery. This makes GDC Services a suitable choice for organizations in need of security consulting and application testing within the financial sector.
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Select Industry to see insights

Financial services

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Average Project Cost Breakdown

What Clients Have Said
GDC Services has received positive feedback regarding their pricing and overall value for money. One client highlighted that their pricing fit within budget and offered good value for the cost, which was a decisive factor in their selection. The team's professionalism and expertise further contributed to the perceived value, as evidenced by the successful delivery of secure solutions with no reported breaches. Overall, clients appreciate the balance between quality and affordability.
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More responsive than most other service providers

GDC 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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Beograd, Serbia

7Dj Bulevar Milutina Milankovića
Beograd, Serbia 11070
76 - 100

+381 11 6558 540

Beograd, Serbia

13 Kondina
Beograd, Serbia 11000
76 - 100

+381 11 6558 540

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morph

5.0 10 reviews

$5,000+

< $25 / hr

50 - 249

Beograd, Serbia

Services provided

20% Call Center Services

60% Customer Service Outsourcing

20% Back Office Outsourcing

Morph is a versatile Contact Center Services provider specializing in Customer Support and Call Handling. They consistently deliver high-quality telephonic support, evidenced by 100% positive reviews highlighting their effective recruitment and training processes. Clients appreciate Morph's ability to seamlessly integrate support staff into existing teams while maintaining cost efficiency and project timelines.

See all 10 projects
Reviews mention Results-oriented
Clients express a highly positive sentiment regarding Morph's results-oriented approach. One reviewer noted that Morph successfully identifies talent that aligns with their company's culture and objectives, leading to effective integration with existing teams. The client emphasized Morph's ability to deliver skilled personnel with minimal disruption. While the service was generally well-received, a suggestion was made for Morph to maintain focus on their specific hiring objectives to enhance outcomes further.

Staff Augmentation for Technology Solutions Provider

5.0 Oct 26, 2020

Morph has brought talented people to us who are able to effectively work with our team, with minimum third-party interruption. Morph is able to find people that match our criteria regarding company culture and objectives, as well as for specific projects.
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2 of 2 Call Center Services reviews are 5 stars

$200,000 – $999,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Outsourcing & Call Center Services for Moving Company
5.0 — Morph provides call center services for a moving company. Initially, the team only handled the company’s sales department. Now, they’re also working for the firm’s logistics and customer care Read more
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Beograd, Serbia

Žorža Klemansoa 19
Beograd, Serbia 11000
76 - 100

+14246664366

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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Reviewers in Belgrade commend morph for delivering innovative, easy-to-manage websites that boost visibility and customer inquiries. They value their collaborative approach, responsiveness, and ability to handle complex technical tasks efficiently, resulting in measurable business improvements.
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Quantox Technology

5.0 5 reviews

$5,000+

$50 - $99 / hr

250 - 999

Beograd, Serbia

Services provided

10% Call Center Services

40% IT Staff Augmentation

10% Custom Software Development +4 services

10% HR Outsourcing

10% IT Managed Services

10% Mobile App Development

10% Web Development

Quantox Technology, a versatile software development company, offers services in web and mobile app development, as evidenced by their diverse client feedback. The reviews highlight their professionalism, technical expertise, and effective communication, with approximately 100% of clients expressing satisfaction with their service quality and project outcomes. Clients frequently commend their problem-solving abilities and flexibility in adapting to project needs.

See all 5 projects

Industry Experience

Quantox Technology demonstrates significant expertise across the Advertising & Marketing, Media, and Medical Research industries. Clients commend their professionalism, adaptability, and effective communication, leading to successful outcomes and strengthened partnerships. The company excels in mobile app development and project management, making it a strong fit for projects requiring innovative tech solutions, particularly in digital platform creation and community engagement.
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Advertising & marketing Other industries Media

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Average Project Cost Breakdown

Less than $10,000 (2) $10,000 to $49,000 (2) $50,000 to $199,999 (1)

What Clients Have Said
Clients consistently report that Quantox Technology (Bstorm) provides excellent value for money, emphasizing their professionalism and effective communication. One client noted they felt they paid a fair price for their services, while another highlighted the company's commitment to delivering high-quality work within tight deadlines. Overall, the sentiment reflects satisfaction with the pricing structure relative to the quality of services received, reinforcing the company's reputation as a reliable partner in project development.
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Serbia (2) United States (2) Malta (1)

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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

4.5

Cost

5.0

Willing to Refer

5.0

Local clients describe Quantox Technology as highly skilled in developing advanced mobile solutions, such as EEG-based applications with real-time features. They value their technical expertise, adaptability, and efficient project management, which led to successful project outcomes and positive industry recognition.
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Trizma

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 services

10% Business Consulting

10% HR Consulting

10% IT Managed Services

10% Sales Outsourcing

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

Not yet reviewed

$5,000+

< $25 / hr

10 - 49

Beograd, Serbia

Services provided

50% Call Center Services

50% Customer Service Outsourcing

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.
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The Contact Service

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 services

10% Back Office Outsourcing

5% Content Marketing

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

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

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.
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lalallalalala

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 services

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

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

Not yet reviewed

$5,000+

$25 - $49 / hr

10 - 49

Beograd, Serbia

Services provided

20% Business Consulting

20% Corporate Training & Coaching

20% Market Research +2 services

20% Sales Outsourcing

20% Staffing

Market Research company LC Consulting offers Market Research and Business Consulting. They were established in 2022.
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Beograd, Serbia

Trg Nikole Pasica 7
Beograd, Serbia 11000
6 - 9

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TrustVera

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Beograd, Serbia

Services provided

10% Business Consulting

10% Conversion Optimization

10% Corporate Training & Coaching +7 services

10% Digital Strategy

10% Email Marketing

10% IT Strategy Consulting

10% Market Research

10% Marketing Strategy

10% Sales Outsourcing

10% Social Media Marketing

TrustVera, a Market Research company, is in Beograd, Serbia. Established in 2022, the team focuses on Market Research and Marketing Strategy.
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Intelli Solutions S.A.

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Beograd, Serbia

Services provided

20% Call Center Services

20% Back Office Outsourcing

20% Business Consulting +2 services

20% Custom Software Development

20% Customer Service Outsourcing

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,
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Beograd, Serbia

Pancevacki Put 38 P.C.
Beograd, Serbia 11000
16 - 20

+381 113319317

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New Angles Consulting

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Beograd, Serbia

Services provided

25% Event Management

25% HR Consulting

25% Market Research +1 service

25% Sales Outsourcing

New Angles Consulting is a Market Research company. Their team is based in Beograd, Serbia. The agency offers Market Research and Sales Outsourcing.
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ProChatSync

Not yet reviewed

$10,000+

$50 - $99 / hr

Freelancer

Novi Banovci, Serbia

Services provided

45% Call Center Services

45% Customer Service Outsourcing

10% Search Engine Optimization

ProChatSync is a Novi Banovci, Serbia-based Customer Service Outsourcing company. Their services include Customer Service Outsourcing and Call Center Services.
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Fyxer Industries Ltd

5.0 2 reviews

$1,000+

< $25 / hr

50 - 249

Пожаревац, Serbia

Services provided

50% Customer Service Outsourcing

20% Back Office Outsourcing

20% Sales Outsourcing +1 service

10% Social Media Marketing

Fyxer Industries Ltd is a service-oriented company specializing in customer support, back-office processing, digital marketing, and after-sales support. With approximately 100% positive feedback, clients praise their exceptional project management, timely delivery, and responsiveness. Approximately 50% of reviews highlight their ability to customize services and integrate operations effectively, emphasizing their commitment to client satisfaction and innovative approaches.

See all 2 projects

Industry Experience

Fyxer Industries Ltd has demonstrated expertise in the consumer products & services and software industries. Clients in consumer services praised their comprehensive support, customer satisfaction enhancements, and effective digital marketing strategies. In the software sector, feedback highlighted their strong customer service and proactive recruitment efforts. Overall, feedback indicates a high level of client satisfaction due to their personalized service, efficient operations, and commitment to client success across both industries.
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Software Consumer products & services

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Average Project Cost Breakdown

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

What Clients Have Said
Clients consistently highlight Fyxer Industries Ltd's excellent value for money, with one executive noting that their pricing 'fit our budget' while providing 'good value for cost.' Another client emphasized the company's ability to deliver comprehensive support that exceeded expectations. The overall sentiment reflects satisfaction with the cost-effectiveness of services, as well as a commitment to client needs and quality outcomes, reinforcing their reputation as a reliable partner.
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Canada (1) Serbia (1)

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Review Rating from Clients

5.0/5.0

Quality

5.0

Schedule

5.0

Cost

5.0

Willing to Refer

5.0

Reviewers in Belgrade emphasize Fyxer Industries' exceptional dedication to client satisfaction, seamless integration of services, and proactive communication. They value the company's ability to deliver complex solutions on time and tailor strategies to meet specific business goals.
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Rely Staff

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 service

10% Sales Outsourcing

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.
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Nova Concept

Not yet reviewed

Undisclosed

< $25 / hr

2 - 9

Novi Sad, Serbia

Services provided

40% Call Center Services

40% Customer Service Outsourcing

10% Email Marketing +2 services

5% Conversion Optimization

5% Direct Marketing

Nova Concept is a call center company. Founded in 2021, the company is located in Novi Sad, Serbia. Their team specializes in Call Center Services and Customer Service Outsourcing.
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ICM International Call Center Marketing

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Beograd, Serbia

Services provided

80% Call Center Services

10% Customer Service Outsourcing

10% Sales Outsourcing

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.
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Callosseum Call Centre

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Beograd, Serbia

Services provided

50% Call Center Services

25% Customer Service Outsourcing

25% Sales Outsourcing

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

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We evaluate service providers using a structured methodology that combines:

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Market presence
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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.

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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

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

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

1 SupportYourApp

2 Silver Bell Group

3 GDC Services

4 morph

5 Quantox Technology

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More

Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top 5 Belgrade Call Center Companies & Voice Services

SupportYourApp

$1,000+

< $25 / hr

1,000 - 9,999

Beograd, Serbia

Ability to deliver

39.4/40.0

20/20 Reviews

9.6/10 Clients & Experience

9.8/10 Market Presence

Service focus

30% Call Center Services

70% Other

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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

20% Sales Outsourcing

60% Other

View Profile Visit Website
GDC Services

$25,000+

$25 - $49 / hr

50 - 249

Beograd, Serbia

Ability to deliver

33.6/40.0

16.2/20 Reviews

10/10 Clients & Experience

7.4/10 Market Presence

Service focus

10% Call Center Services

90% Other

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morph

$5,000+

< $25 / hr

50 - 249

Beograd, Serbia

Ability to deliver

30.6/40.0

17/20 Reviews

9.6/10 Clients & Experience

4/10 Market Presence

Service focus

20% Call Center Services

80% Other

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Quantox Technology

$5,000+

$50 - $99 / hr

250 - 999

Beograd, Serbia

Ability to deliver

21.9/40.0

16.2/20 Reviews

0/10 Clients & Experience

5.7/10 Market Presence

Service focus

10% Call Center Services

90% Other

View Profile Visit Website
Global Bond DOO

$5,000+

< $25 / hr

50 - 249

Beograd, Serbia

Ability to deliver

6.2/40.0

0/20 Reviews

1.2/10 Clients & Experience

5/10 Market Presence

Service focus

80% Call Center Services

20% Other

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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

10% Sales Outsourcing

60% Other

View Profile Visit Website
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

50% Other

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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

70% Other

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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

35% Other

View Profile Visit Website
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

73% Other

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LC Consulting

$5,000+

$25 - $49 / hr

10 - 49

Beograd, Serbia

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

20% Sales Outsourcing

80% Other

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TrustVera

Undisclosed

Undisclosed

2 - 9

Beograd, Serbia

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

10% Sales Outsourcing

90% Other

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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

80% Other

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New Angles Consulting

Undisclosed

Undisclosed

2 - 9

Beograd, Serbia

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

25% Sales Outsourcing

75% Other

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ProChatSync

$10,000+

$50 - $99 / hr

Freelancer

Novi Banovci, Serbia

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

45% Call Center Services

55% Other

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Fyxer Industries Ltd

$1,000+

< $25 / hr

50 - 249

Пожаревац, Serbia

Ability to deliver

23.2/40.0

17/20 Reviews

2.2/10 Clients & Experience

4/10 Market Presence

Service focus

20% Sales Outsourcing

80% Other

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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

10% Sales Outsourcing

60% Other

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Nova Concept

Undisclosed

< $25 / hr

2 - 9

Novi Sad, Serbia

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

40% Call Center Services

60% Other

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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

10% Sales Outsourcing

10% Other

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

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

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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.

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Why Trust Clutch

List of the Top 5 Belgrade Call Center Companies & Voice Services

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

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