Top Call Center Services & Voice Services in Sofia
10 Leaders 15 Contenders
28 Companies
List of the Top Sofia Call Center Companies & Voice Services
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$1,000+< $25 / hr250 - 999Serves Sofia, BulgariaServices provided
35% Call Center Services55% Customer Service Outsourcing10% Back Office OutsourcingSee all 27 projectsSimply Contact is a specialized provider of Contact Center Services, focusing on Customer Support Services, Inbound Call Center, and Telephonic Support. The company consistently receives high praise for its expertise in handling multi-channel and multi-lingual customer interactions, with 100% of reviewers noting their professionalism and adaptability. Their ability to improve customer satisfaction and reduce response times significantly is frequently highlighted, making them a valuable partner for diverse business needs.
1 of 1 reviews is 5 starsLess than $10,000 avg. project costRead 1 Recent ReviewReviewed 1 time in the past 6 months
Simply Contact has received positive feedback in recent reviews, highlighting their effective customer support management. Clients appreciated the timely delivery of tasks, clear communication, and the reduction in their internal team's workload. Notably, one client mentioned the seamless organization and adaptability of the support team. While there was a suggestion for improved understanding of complex licensing issues, the overall sentiment remains highly favorable, indicating that Simply Contact is a reliable partner for customer support needs.Was this helpful?
12 of 15 Call Center Services reviews are 5 stars$200,000 – $999,999 avg. project costRead 15 ReviewsCall 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 moreWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Simply Contact is consistently recognized for providing good value for cost, with multiple clients highlighting their competitive pricing. Feedback indicates that their services not only meet but often exceed expectations, leading to improved customer satisfaction and operational efficiency. However, some reviews suggest that there could be room for improvement in their pricing strategy. Overall, the sentiment around Simply Contact's cost-effectiveness is positive, with clients appreciating the balance of quality and affordability.Was this helpful?
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This provider is fluent in 17 languages:
- English
- Spanish
- Arabic
- Russian
- German
- French
- Italian
- Polish
- Ukrainian
- Romanian
- Dutch
- Czech
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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$1,000+< $25 / hr1,000 - 9,999Serves Sofia, BulgariaServices provided
30% Call Center Services30% Customer Service Outsourcing20% AI Agents +2 services15% Back Office Outsourcing5% Data Annotation ServicesSee all 88 projectsSupportYourApp is a prominent provider of Customer Support Services, specializing in Inbound and Outbound Call Center activities, Telephonic Support, and Call Handling. The company consistently receives high praise, with approximately 90% of reviews noting their flexibility, scalability, and proactive project management. Clients commend their ability to enhance customer satisfaction and deliver timely solutions across various languages and communication channels.
Reviews mention Helpful
SupportYourApp has received high praise from clients for its adaptive and helpful support services. One client noted their impressive professional setup and responsiveness, stating that SupportYourApp was 'always ready to help and deliver the best possible result in any situation.' Another highlighted the team's proactive communication and willingness to take on new responsibilities, contributing to a best-in-class support experience. Overall, the sentiment towards SupportYourApp is overwhelmingly positive, with clients expressing satisfaction and no significant areas for improvement identified.-
BPO for Blockchain-Based Noncustodial Wallet Provider
5.0 Aug 2, 2023We have established a friendly yet professional communication with the management team. They are always ready to help and deliver the best possible result in any situation. We are very satisfied with them overall.
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Customer Support Services for B2C IT company
5.0 Dec 26, 2022We are very satisfied with the workflow between us and SupportYourApp. They are always very glad and ready to help us. Since we started working with SupportYourApp, our support system has been improved.
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Customer Service Outsourcing for Baggage Solutions Company
4.0 Jan 27, 2025SupportYourApp's professional setup and helpfulness are impressive. They are all very adaptive and helpful. Their response to our needs has been timely and accommodating.
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Call Center Services for Meditation App
5.0 Jan 23, 2023Their willingness to learn and work with new things and new tasks. They are always ready to help and take on new things and responsibilities. We've consistently been able to deliver best-in-class support to our customers, in large part due to the professionalism and caliber of the SYA team.
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Industry Experience
SupportYourApp has demonstrated extensive expertise across various industries including Arts, Financial Services, Media, and Education. Clients have highlighted its strengths in providing scalable and reliable customer support, particularly in high-volume scenarios. Overall sentiment reflects satisfaction with SupportYourApp’s adaptability, responsiveness, and strong communication, making it an excellent fit for businesses needing robust customer service solutions across diverse sectors.
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Hospitality & leisure Non-profit Transportation Consumer Products eCommerce HVAC Telecommunications Research Arts, entertainment & music Healthcare Other Industry Social Networking Business services Gaming Software Education Energy & natural resources Manufacturing Fitness Wellness & Fitness Other industries Retail Media Advertising & marketing Information technology IT Services Financial servicesWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
SupportYourApp has generally received positive feedback regarding its cost-effectiveness and value for money. Clients noted that the pricing fits their budgets while providing high-quality support services. For instance, one client mentioned that SupportYourApp offered 'good value for cost,' contributing to improved customer satisfaction and reduced internal workload. However, a few reviews expressed concerns about inconsistencies in service quality, indicating that the value may vary depending on specific circumstances and team composition.Was this helpful?
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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
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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$1,000+< $25 / hr250 - 999Serves Sofia, BulgariaServices provided
35% Call Center Services55% Customer Service Outsourcing10% Back Office OutsourcingSee all 27 projectsSimply Contact is a specialized provider of Contact Center Services, focusing on Customer Support Services, Inbound Call Center, and Telephonic Support. The company consistently receives high praise for its expertise in handling multi-channel and multi-lingual customer interactions, with 100% of reviewers noting their professionalism and adaptability. Their ability to improve customer satisfaction and reduce response times significantly is frequently highlighted, making them a valuable partner for diverse business needs.
1 of 1 reviews is 5 starsLess than $10,000 avg. project costRead 1 Recent ReviewReviewed 1 time in the past 6 months
Simply Contact has received positive feedback in recent reviews, highlighting their effective customer support management. Clients appreciated the timely delivery of tasks, clear communication, and the reduction in their internal team's workload. Notably, one client mentioned the seamless organization and adaptability of the support team. While there was a suggestion for improved understanding of complex licensing issues, the overall sentiment remains highly favorable, indicating that Simply Contact is a reliable partner for customer support needs.Was this helpful?
12 of 15 Call Center Services reviews are 5 stars$200,000 – $999,999 avg. project costRead 15 ReviewsCall 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 moreWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Simply Contact is consistently recognized for providing good value for cost, with multiple clients highlighting their competitive pricing. Feedback indicates that their services not only meet but often exceed expectations, leading to improved customer satisfaction and operational efficiency. However, some reviews suggest that there could be room for improvement in their pricing strategy. Overall, the sentiment around Simply Contact's cost-effectiveness is positive, with clients appreciating the balance of quality and affordability.Was this helpful?
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This provider is fluent in 17 languages:
- English
- Spanish
- Arabic
- Russian
- German
- French
- Italian
- Polish
- Ukrainian
- Romanian
- Dutch
- Czech
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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$1,000+< $25 / hr1,000 - 9,999Serves Sofia, BulgariaServices provided
20% Call Center Services25% Customer Service Outsourcing15% Back Office Outsourcing +4 services10% Content Moderation Services10% Data Annotation Services10% Finance & Accounting Outsourcing (FAO)10% Sales OutsourcingSee all 28 projectsHugo 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.
Reviews mention Timely
Overall, client feedback regarding Hugo Inc.'s timeliness is overwhelmingly positive. Clients consistently highlighted their ability to deliver projects on time, with one noting that Hugo 'consistently meets deadlines, driving project efficiency.' Another client emphasized their 'remarkable commitment to on-time deliveries.' Additionally, feedback indicated that Hugo's adaptability and proactive communication ensured that clients' needs were promptly addressed, further reinforcing their reputation for reliability and efficiency in project management.-
Outsourced Accounting & Content Writing for IT Services Firm
4.5 Sep 11, 2023Regular check-ins and progress updates were the norm, creating a sense of transparency that instilled confidence. This consistent communication ensured that project deliverables were met in a timely manner.
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Digital Strategy for Environmental Solutions Platform
5.0 Aug 29, 2023We had an onboarding session that lasted 1 week and then ongoing meetings and conversations depending on project timelines. Their onboarding documentation was very thorough and easy to follow, ensuring that all steps were completed on schedule.
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Accounting Services for Marketing & Venture Capital Firm
5.0 Aug 24, 2023Regular check-ins and progress updates were the norm, creating a sense of transparency that instilled confidence. This consistent communication ensured that project deliverables were met in a timely manner.
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Content Mktg & Call Center Services for Cashback Gaming Co
5.0 Aug 23, 2023Timely Delivery: Hugo consistently meets deadlines, driving project efficiency and creating capacity. Their proactive approach continuously improves workflows for optimal results, ensuring that all aspects of the project are completed on time.
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Customer Support for FinTech Organization
5.0 Aug 23, 2023Their effective communication, timely execution, adaptability, resource allocation, and problem-solving abilities ensured that our shared objectives were consistently met. Their proficiency in these areas elevated them from being just a service provider to a strategic partner, contributing significantly to the achievements of our projects on time.
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3 of 3 Call Center Services reviews are 5 stars$50,000 – $199,999 avg. project costRead 3 ReviewsCall Center Services PROJECT HIGHLIGHT
Call Center Services for Automotive Company
5.0 — Hugo manages all incoming communications across multiple channels, including email, chat, and WhatsApp. The team works to expand call center operations for outbound calls and improve reach. Read moreWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat 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.Was this helpful?
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This provider is fluent in 54 languages:
- Mandarin
- English
- Spanish
- Arabic
- Bengali
- Hindi
- Russian
- Portuguese
- Japanese
- German
- Javanese
- Korean
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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$1,000+< $25 / hr50 - 249Sofia, Bulgaria
Services provided
30% Call Center Services20% Customer Service Outsourcing20% IT Managed Services +2 services20% Sales Outsourcing10% Back Office OutsourcingSee all 9 projectsMarKam Solutions is a prominent provider of Call Center Services, excelling in Customer Support and Phone Support. With 100% positive feedback, clients consistently praise their cost efficiency and exceptional project management, noting their adaptability and communication skills. Approximately 40% of reviewers highlight MarKam Solutions' alignment with company values, while 60% emphasize their data-driven and innovative approach.
Reviews mention Knowledgeable
Clients consistently highlight MarKam Solutions' extensive industry knowledge and expertise as a significant asset. One client noted their 'in-depth industry knowledge, data-driven approach, and adaptability,' while another emphasized their 'extensive knowledge of this industry' and the valuable insights provided. Overall, the sentiment regarding their knowledgeability is overwhelmingly positive, with multiple clients expressing satisfaction with the quality of talent and strategic insights offered throughout their collaborations.-
Call Center Services for Logistics & Supply Chain Company
5.0 Nov 7, 2024Their in-depth industry knowledge, data-driven approach, and adaptability to the business's ever-changing needs were impressive. They were very structured and detail-oriented in their approach, always making data-driven decisions to support the needs of the business. Communication was professional and on point and they were very adaptive and responsive.
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Call Center Services for Furniture Manufacturer
5.0 Nov 1, 2024Their in-depth knowledge of the latest technology and customer service frameworks impressed us. All project deliverables were met in professional and timely manner. Increased customer attention and number of returning customers.
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Call Center Services for Auto Transport Broker
5.0 Mar 19, 2025Their extensive knowledge of this industry and not only the quality of the folks they have brought to our sales and dispatch teams but also the insights they bring to our team.
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Sales Outsourcing & Lead Gen for Advertising Account Co
5.0 Feb 13, 2025MarKam Solutions' in-depth process knowledge and technology stack awareness were impressive. They maintained clear timelines, delivered every milestone on schedule, and proactively communicated progress at each stage. Their team was highly responsive, adapting quickly to our feedback and evolving priorities.
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Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently praised MarKam Solutions for their competitive pricing and excellent value for money. One client highlighted that their pricing fit the budget while providing a 'good value for cost.' Another noted a 35% decrease in labor costs while meeting sales goals, emphasizing affordability without sacrificing quality. Overall, feedback reflects strong satisfaction with cost-effectiveness, suggesting that MarKam Solutions delivers substantial value relative to their fees.Was this helpful?
More responsive than most other service providers
Get in TouchMarKam Solutions is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.Was this helpful?
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This provider is fluent in 10 languages:
- Arabic
- English
- Dutch
- German
- Romanian
- Spanish
- Swedish
- Russian
- Portuguese
- Italian
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$5,000+< $25 / hr50 - 249Sofia, Bulgaria
Services provided
10% Call Center Services50% Customer Service Outsourcing20% Sales Outsourcing +2 services10% Back Office Outsourcing10% IT Staff AugmentationSee all 23 projectsMercatus is a Contact Center Services company specializing in lead generation, cold calling, and customer support services. Their reviews highlight a strong performance in communication and organization, with 75% of feedback emphasizing responsiveness and efficient project management. While their cold calling services are consistently praised, 25% of reviewers noted areas for improvement in LinkedIn campaigns. Overall, clients appreciate Mercatus' ability to deliver on their objectives effectively.
Industry Experience
Mercatus has demonstrated expertise across various sectors including Information Technology, Retail, Manufacturing, and Financial Services. Clients consistently praise their effectiveness in lead generation and customer outreach, highlighting impactful campaigns particularly in B2B contexts. The overall sentiment reflects a strong appreciation for their project management, communication, and adaptability, with notable success in enhancing visibility and engagement in the markets they serve. Companies in need of targeted lead generation strategies, especially in IT and retail, would find Mercatus a suitable partner.
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Financial services Information technology Consulting IT Services Engineering Retail Consumer Products Construction Manufacturing Human Resources Software eCommerceWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients generally express satisfaction with Mercatus's value for money, noting that their pricing aligns well with budgets while delivering quality outcomes. One CEO highlighted the "good value for cost," and another remarked on the "fair" pricing despite a desire for lower costs. Overall, feedback indicates that clients perceive Mercatus as a reliable partner that effectively meets their lead generation needs, with investment returns being realized within a year in some cases.Was this helpful?
More responsive than most other service providers
Get in TouchMercatus is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.Was this helpful?
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$25,000+Undisclosed1,000 - 9,999Sofia, Bulgaria
Services provided
75% Sales Outsourcing20% Product Marketing5% Direct MarketingSee all 28 projectsMarketStar Bulgaria, a provider of Contact Center Services, excels in offering Customer Support Services and Call Handling solutions. Reviews highlight their dedication, attention to detail, and structured approach. Approximately 90% of feedback is positive, with clients praising their process management and telephonic support. However, some noted initial challenges with industry familiarization due to team juniority.
Reviews mention Easy to work with
Clients consistently express that MarketStar Bulgaria is easy to work with, highlighting effective communication and collaboration. One client noted the seamless workflow, stating they held weekly meetings and had open lines of communication via Skype and email. Furthermore, the team was described as motivated, respectful, and always available, reinforcing their commitment to understanding client needs. Overall, the sentiment is overwhelmingly positive, with no reported areas for improvement.-
Sales and Marketing Services for Software Developer
5.0 Aug 3, 2018It was very easy to work with them. We have had at least one meeting per week to discuss what happened and what should happen in the next weeks. We also had Skype calls and email communication.
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Industry Experience
MarketStar Bulgaria has demonstrated significant expertise across various industries, including Financial Services, IT, and Other sectors. Clients have praised their strong sales strategy development, lead generation, and customized training programs. Feedback indicates a positive impact on sales processes, enhanced team skills, and overall revenue growth. Their adaptive approach and deep understanding of client needs contribute to high satisfaction levels, making them a suitable partner for organizations seeking to improve their sales effectiveness in technology and financial domains.
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Other industries Financial services Information technology Advertising & marketing Business servicesWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
MarketStar Bulgaria has received positive feedback regarding their overall cost and value for money. Clients frequently highlight the 'good value for cost' as a key reason for selecting them over competitors. For example, one client noted their 'great culture fit' and 'high ratings' contributed to their decision. Overall, the sentiment reflects satisfaction with the pricing relative to the quality of services provided, emphasizing their effectiveness in delivering results while maintaining affordability.Was this helpful?
2 of 2 Sofia-based reviews are 5 starsLess than $10,000 avg. project cost for Call Center Services services in SofiaRead Similar ReviewsSofia-based Call Center Services project highlight
Outbound Sales Calling for Fintech Company
5.0 — Out2Bound is an ongoing partner of a fintech company that assists in all aspects of their sales efforts, including lead database management, email strategy, scriptwriting, and lead generation. Read moreWas this helpful?
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$5,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
Services provided
50% Sales Outsourcing25% CRM Consulting and SI15% Conversion Optimization +1 service10% Email MarketingSee all 15 projectsHypergen is a lead generation company specializing in cold email outreach and demand generation. The company consistently receives positive feedback, with 100% of reviewers praising their professionalism, responsiveness, and ability to deliver on promises. Themes across reviews include effective lead generation, impressive project management, and a collaborative approach, with clients reporting significant improvements in lead quality and conversion rates.
Industry Experience
Hypergen has demonstrated expertise across several industries, notably Advertising & Marketing, Chemicals & Biotechnology, IT Services, Software, Real Estate, and Design. Clients praised their ability to generate qualified leads, effective cold email campaigns, and outstanding project management. Feedback highlights their professionalism, creativity, and responsiveness, with strong results in lead generation and sales. Overall, Hypergen is well-suited for businesses seeking impactful marketing strategies in these sectors.
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Advertising & marketing Chemicals & Biotechnology IT Services Software Design Business services Real estate Consumer ProductsWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently commend Hypergen for their excellent value for money, highlighting the cost-effectiveness of their services. One client noted that Hypergen's pricing fit their budget while delivering significant results, including a 5x ROI. Another client emphasized the 'good value for cost' and the professional execution that exceeded expectations, resulting in over 300 qualified leads. Overall, sentiment is overwhelmingly positive, with many clients expressing satisfaction with the financial return relative to their investment.Was this helpful?
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See All Locations (2)Sofia, Bulgaria
13 ulitsa "Veslets"
Sofia, Bulgaria 100016 - 20
+1 614 432 8647
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$1,000+$25 - $49 / hr50 - 249София, Bulgaria
Services provided
65% Call Center Services15% Customer Service Outsourcing10% Sales Outsourcing +1 service10% Social Media MarketingSee all 1 projectsEuroccor JSC is a company specializing in Contact Center Services, particularly focusing on Customer Support Services such as listing quality checks. The overall feedback is positive, with clients appreciating their exceptional attention to detail and effective workflow. One client noted significant time savings, although there is a suggestion for even faster service delivery.
0 of 1 Call Center Services reviews are 5 starsUnknown avg. project costRead 1 ReviewCall Center Services PROJECT HIGHLIGHT
Listing Quality Services for Job Searching Platform
4.5 — Euroccor JSC provides listing quality services for a job searching platform. Read moreWas this helpful?
Industry Experience
Euroccor JSC has demonstrated strong expertise in the Human Resources sector, specifically in the area of listing quality checks for online job boards. Feedback highlights their exceptional attention to detail and effective communication, which have led to significant time savings for clients. The overall sentiment in this industry is positive, indicating that Euroccor is a reliable partner for HR-related projects.
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Human ResourcesWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients have generally reported that Euroccor JSC offers good value for money, particularly noting their efficiency in saving time during projects. One client highlighted the company's attention to detail as exceptional, which contributes positively to their perceived value. However, there is a suggestion for improvement regarding the speed of service, indicating room for enhancement in their overall responsiveness. Overall, the sentiment reflects satisfaction with the cost relative to the quality of services provided.Was this helpful?
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$1,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
Services provided
30% Sales Outsourcing20% Direct Marketing20% Email Marketing +2 services20% Marketing Strategy10% Account-Based MarketingSee all 8 projectsLukanoff Consulting Ltd specializes in Contact Center Services, with a strong focus on lead generation and booking sales meetings. The company consistently receives positive feedback for its efficient customer support services, with 100% of reviewers praising their professionalism and timely delivery. Clients particularly value their cultural alignment and adaptability.
Industry Experience
Lukanoff Consulting Ltd has demonstrated expertise across various industries including Financial Services, Software, Publishing, Advertising & Marketing, IT Services, and Business Services. Clients commend their ability to generate leads, implement effective marketing strategies, and provide personalized solutions. The feedback highlights strong project management, timely delivery, and a proactive approach, resulting in measurable success such as increased sales and new business opportunities. Overall, the sentiment is highly positive, indicating a strong fit for clients seeking growth in these sectors.
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Financial services Software Publishing Advertising & marketing IT Services Business servicesWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently praise Lukanoff Consulting Ltd for their value and cost-effectiveness. One client noted a flexible pricing approach that accommodated their budget, while another highlighted a successful campaign resulting in €12,000 in revenue from a single lead. Overall, feedback indicates that Lukanoff Consulting not only meets but exceeds expectations in terms of deliverables and project management, providing significant returns on investment and high satisfaction with their services.Was this helpful?
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1 of 1 Sofia-based review is 5 stars$10,000 – $49,000 avg. project cost for Call Center Services services in SofiaRead Similar ReviewsSofia-based Call Center Services project highlight
Direct Marketing & Sales Outsourcing for ERP Platform
5.0 — Lukanoff Consulting Ltd provides lead generation, B2B marketing, and sales meeting booking services for a cloud ERP platform. The team generates meetings through phone calls in targeted markets. Read moreWas this helpful?
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UndisclosedUndisclosed10 - 49Sofia, Bulgaria
Services provided
80% Sales Outsourcing20% Email MarketingSee all 2 projectsScaleRush is a lead generation and sales outsourcing company known for its customized pipelines and tailored outreach strategies. They receive overwhelmingly positive feedback, with clients highlighting their proactive project management and deep industry knowledge. Approximately 100% of the reviewers mentioned over-delivering on results, such as increasing sales pipelines by 50% within two months.
Reviews mention Timely
Clients have consistently praised Scale Rush for their timely delivery and project management. One client highlighted that Scale Rush overdelivered by generating 120+ leads within the initial 60 days, surpassing expectations. They noted that the team is always on time and effective in communication, conducting biweekly meetings. This strong emphasis on punctuality and responsiveness has contributed to a positive overall sentiment regarding their timeliness and reliability.-
Lead Generation for Video Game & Software Development Co
5.0 Aug 25, 2025Scale Rush always overdelivers and is on time. We communicate via email and biweekly Zoom meetings.
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Industry Experience
ScaleRush has demonstrated expertise in the construction and gaming industries, receiving positive feedback for their proactive communication and deep industry knowledge. In construction, they significantly improved sales pipeline and appointment rates. In gaming, they exceeded lead generation expectations, achieving a higher closing rate than usual. Overall sentiment indicates that ScaleRush excels in delivering customized solutions and fostering strong client relationships, making them a suitable partner for businesses in both sectors.
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Gaming ConstructionWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients have highlighted ScaleRush's strong value for money, noting that the company delivers impressive results relative to their costs. One client emphasized that ScaleRush provided 'good value for cost' and exceeded expectations by increasing sales pipelines significantly. Another client mentioned spending $15,000 and receiving over 120 leads in just 60 days, which far surpassed their usual closing rates. Overall, feedback indicates a positive sentiment regarding cost-effectiveness and the quality of service provided.Was this helpful?
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$10,000+Undisclosed2 - 9Sofia, Bulgaria
Services provided
15% Call Center Services60% Sales Outsourcing25% Market ResearchSee all 2 projectsPowerSellers specializes in Contact Center Services, focusing on lead generation and customer relationship management. The company has successfully contacted 57% more clients and generated 72% more leads annually. Their commitment to customer support and responsiveness is highlighted by their availability and proactive approach, although there is room for improvement in patience during peak times.
Reviews mention Easy to reach
Clients have consistently praised PowerSellers for their exceptional accessibility and responsiveness. One client noted, "They are always ready to attend to any need," highlighting their commitment to communication. Additionally, the client's feedback emphasized the team's availability and eagerness to work, reinforcing an overall positive sentiment regarding ease of reach. This suggests that PowerSellers prioritizes client engagement and is effective in maintaining open lines of communication throughout the project.-
Call Center Services for Energy Solutions Provider
5.0 Apr 1, 2024Excellent, they are always ready to attend to any need. The availability and desire to work of each one of them. Virtual Meeting, Email or Messaging App.
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1 of 1 Call Center Services reviews are 5 stars$200,000 – $999,999 avg. project costRead 1 ReviewCall Center Services PROJECT HIGHLIGHT
Call Center Services for Energy Solutions Provider
5.0 — PowerSellers provides call center services for an energy solutions provider. The tasks include cold calling, polishing the sales speech, qualifying clients through calls, obtaining data, Read moreWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently highlight PowerSellers' competitive pricing and strong value for money. For instance, one client noted that their pricing 'fit our budget' and provided 'good value for cost.' Another client echoed this sentiment, stating that PowerSellers' pricing was a key reason for their selection, emphasizing their ability to deliver results while maintaining affordability. Overall, the sentiment regarding cost and value is highly positive, with no significant complaints noted.Was this helpful?
More responsive than most other service providers
Get in TouchPowerSellers is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.Was this helpful?
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UndisclosedUndisclosed50 - 249Sofia, Bulgaria
Services provided
24% Call Center Services25% Customer Service Outsourcing21% Back Office Outsourcing +2 services15% Recruiting15% StaffingSee all 1 projectsCXG Business Process Outsourcing is a specialized BPO company known for its efficiency in scaling teams to manage shared services, AI training, and data analytics. Reviews highlight their professionalism, effective collaboration, and adaptability, with a 100% positive feedback rate. Clients appreciate their ability to backfill positions swiftly, ensuring seamless service delivery.
Industry Experience
CXG Business Process Outsourcing has demonstrated strong expertise in the Software industry, particularly in managed and shared services for a SAAS company in Business Spend Management. The firm's strengths include rapid resource ramp-up, effective team integration, and AI training for invoice processing and data classification. Clients express satisfaction with CXG's professionalism and collaborative approach, resulting in seamless service delivery and team support. Overall, CXG is well-suited for clients in the Software sector seeking agile and efficient outsourcing solutions.
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SoftwareWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients generally perceive CXG Business Process Outsourcing as offering strong value for money. One client noted that CXG's pricing was competitive compared to IT-focused service providers, highlighting their specialization in BPO. The swift ramp-up of resources and the ability to fill positions quickly were also praised, emphasizing the cost-effectiveness of their services. Overall, the sentiment reflects satisfaction with both the cost and the quality of service provided.Was this helpful?
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$1,000+< $25 / hr10 - 49Sofia, Bulgaria
Services provided
20% Call Center Services20% Back Office Outsourcing20% Document Digitization & Management +3 services20% Recruiting10% Customer Service Outsourcing10% Finance & Accounting Outsourcing (FAO)See all 2 projectsInfoSource Bulgaria Ltd is a data management and analysis company specializing in extracting and structuring information from financial and executive reports. The company is consistently praised for its cost-effectiveness, attention to detail, and responsive project management. Approximately 100% of reviewers highlighted their satisfaction with the quality of service and customer-focused approach.
Reviews mention Timely
Clients have consistently praised InfoSource Bulgaria Ltd for their timely project management and responsiveness. One client noted that the team was 'always very responsive, timely and pro-active' in delivering outcomes. Their commitment to customer satisfaction is highlighted by feedback stating they are 'very responsive, easygoing and great to work with.' Overall, the sentiment regarding timeliness is overwhelmingly positive, indicating a strong alignment with client expectations.-
Financial Services for Financial & Economic Media Company
5.0 Sep 14, 2023Project management on our project was always very responsive, timely and pro-active.
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Industry Experience
InfoSource Bulgaria Ltd has demonstrated expertise primarily in the Media and Software industries. Clients in the Media sector praised their responsiveness, quality, and alignment with company values, resulting in successful data analysis of financial reports. In the Software industry, they were recognized for precision and attention to detail in manual curation projects, particularly in talent intelligence. Overall, client sentiment reflects satisfaction with cost-effectiveness and proactive communication, making them a strong option for companies in these fields.
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Software MediaWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients have consistently praised InfoSource Bulgaria Ltd for their cost-effectiveness and overall value for money. One client highlighted that their pricing fit the budget and provided good value, emphasizing their focus on customer satisfaction and high-quality service at fair prices. Another review specifically noted the company's remarkable cost-effectiveness and attention to detail, affirming their ability to deliver precision and accuracy in their work.Was this helpful?
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UndisclosedUndisclosed1,000 - 9,999Sofia, Bulgaria
Services provided
65% Sales Outsourcing15% Customer Service Outsourcing10% Digital Strategy +1 service10% Marketing StrategyMarketStar is a Sales Outsourcing company. Established in 1988, the firm is in Ogden, Utah and Dublin, Ireland. Their services include Sales Outsourcing and Customer Service Outsourcing.
Read moreSee All Locations (6)Sofia, Bulgaria
bulevard "Cherni vrah"
Sofia, Bulgaria 1415201 - 250
359 89 593 6318
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UndisclosedUndisclosed2 - 9Sofia, Bulgaria
Services provided
70% Sales Outsourcing10% Business Consulting10% Event Marketing +1 service10% Market ResearchGo2Connect is a Sales Outsourcing company. Their small team of employees is located in Sofia, Bulgaria. Their team focuses on Sales Outsourcing and Event Marketing.
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$1,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
Services provided
10% Call Center Services20% Finance & Accounting Outsourcing (FAO)20% HR Consulting +5 services10% Accounting10% Back Office Outsourcing10% Business Consulting10% Customer Service Outsourcing10% Sales OutsourcingEstablished in 2019, ODEON msc - A TTC brand is a Finance & Accounting Outsourcing (FAO) company. The team offers Finance & Accounting Outsourcing (FAO) and HR Consulting.
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UndisclosedUndisclosed2 - 9Sofia, Bulgaria
Services provided
50% Email Marketing50% Sales OutsourcingExpand Acquisition is an Email Marketing and Sales Outsourcing company. They are based in Sofia, Bulgaria and have small team of experts. Their services include Email Marketing and Sales
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$1,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
Services provided
100% Call Center ServicesCall center service Customer Care BG Ltd. Is located in Sofia, Bulgaria. Their services include Call Center Services.
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$1,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Services provided
40% Call Center Services40% Customer Service Outsourcing20% Sales OutsourcingEuro Connect is a small phone answering service in Sofia, Bulgaria. The team offers Call Center Services and Customer Service Outsourcing.
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$50,000+< $25 / hr1,000 - 9,999Sofia, Bulgaria
Services provided
10% Call Center Services80% Customer Service Outsourcing10% Back Office OutsourcingSixty K Ltd is a large Customer Service Outsourcing company. Founded in 2008, the team focuses on Customer Service Outsourcing and Back Office Outsourcing.
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$1,000+Undisclosed50 - 249Sofia, Bulgaria
Services provided
20% Call Center Services80% Unified Communications Consulting & SILaunched in 2010, Squaretalk is an unified communications consulting & SI company. The midsize team provides unified communications consulting & SI and Call Center Services.
Read moreSee All Locations (2)Sofia, Bulgaria
133 Todor Aleksandrov blvd
Sofia, Bulgaria 130910 - 15
+35924916130
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$1,000+< $25 / hr50 - 249Sofia, Bulgaria
Services provided
25% Call Center Services25% HR Outsourcing25% Other Application Development +2 services15% Custom Software Development10% Mobile App DevelopmentCall center service Mellon Bulgaria was established in 2001. The midsize team provides Call Center Services and HR Outsourcing.
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$5,000+$200 - $300 / hr2 - 9Sofia, Bulgaria
Services provided
50% Corporate Training & Coaching30% Business Consulting20% Sales OutsourcingLaunched in 2018, Instorm is a Corporate Training & Coaching company. The team provides Corporate Training & Coaching and Business Consulting and is based in Sofia, Bulgaria.
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UndisclosedUndisclosed50 - 249Sofia, Bulgaria
Services provided
20% E-Commerce Development20% Email Marketing20% Sales Outsourcing +3 services20% Social Media Marketing10% Search Engine Optimization10% Web DesignSocial media marketing firm eTel Digital Agency was founded in 2001. The midsize team specializes in Social Media Marketing and Email Marketing.
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UndisclosedUndisclosed50 - 249Balsha, Bulgaria
Services provided
60% Call Center Services40% Recruitment Process OutsourcingLatiane Ltd, a midsize telephone answering service, is in Balsha, Bulgaria. Their services include Call Center Services and Recruitment Process Outsourcing.
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$1,000+$50 - $99 / hr2 - 9Breznik, Bulgaria
Services provided
30% Business Consulting30% Sales Outsourcing20% Account-Based Marketing +1 service20% Market ResearchSee all 9 projectsPassion4Growth is a lead generation and business development company that excels in enhancing client portfolios and expanding market presence through strategic partnerships and digital outreach. Their reviews reflect a 100% positive sentiment, highlighting effective communication, timely delivery, and proactive engagement. Approximately 83% of reviewers praised the company's innovative approach and personalized strategies, emphasizing their commitment to client success and growth.
Reviews mention Timely
Overall sentiment regarding the timeliness of Passion4Growth's services is highly positive. Clients consistently noted prompt communication and timely delivery of project milestones. For instance, one client emphasized that their 'communication was fast and really easy to follow' and that services were provided within promised timeframes. Another client highlighted the 'fantastic synchronicity' with timely responses and structured project management. Such feedback indicates that Passion4Growth effectively meets deadlines and addresses client needs promptly.-
Outsourced Sales, Email & Lead Gen Mktg for Marketing Co
5.0 Nov 13, 2024We experienced fantastic synchronicity with their team. The work was enjoyable and dynamic, with communication that was timely, prompt, and sufficient.
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Lead Generation Services for IoT Monitoring Company
5.0 Oct 24, 2025The communication with their team was fast and really easy to follow. They responded really fast and provided their services in the promised timeframes.
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Social Media Marketing for Branding & Design Studio
4.5 Oct 27, 2025Their project management was smooth and reliable. Deliverables were provided on time, and communication was clear throughout the process. I felt supported and that my needs were understood and addressed promptly.
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Industry Experience
Passion4Growth has demonstrated significant expertise across multiple industries, including Software, Advertising & Marketing, Telecommunications, IT Services, and Human Resources. Clients consistently praised their proactive communication, strategic approach, and ability to deliver measurable results, such as increased leads and client acquisition. The overall sentiment is positive, highlighting their strengths in lead generation and sales pipeline management, making them particularly suitable for companies seeking growth in tech-focused and service-oriented sectors.
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Advertising & marketing Telecommunications IT Services Human Resources Software DesignWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently highlight Passion4Growth's competitive pricing and strong value for money. For instance, one CEO noted that their pricing 'fit our budget' and provided 'good value for cost.' Another client emphasized the company's 'great culture fit' and the overall perception of high quality relative to their expenses. Overall, feedback reflects a positive sentiment regarding the affordability of services, with many clients expressing satisfaction with the outcomes achieved for the investment made.Was this helpful?
Review Rating from Clients
4.8/5.0
Quality
5.0
Schedule
4.7
Cost
4.8
Willing to Refer
4.8
Sofia-based clients praise Passion4Growth for building targeted lead-generation systems, from defining ideal customer profiles and creating outreach campaigns to optimizing LinkedIn presence. They cite new client wins, increased visibility, and 10% month-over-month growth, alongside responsive communication and collaborative execution.Read Local ReviewsWas this helpful?
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$5,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Services provided
25% Call Center Services30% Corporate Training & Coaching25% Business Consulting +2 services10% Finance & Accounting Outsourcing (FAO)10% HR ConsultingSee all 1 projectsOrpheus Solutions is a digital marketing consulting firm recognized for its innovative approach and profound expertise in digital marketing strategies. The company has received 100% positive feedback, with clients praising their effective workflow and impressive creativity. Reviewers consistently highlight their reliability and ability to provide new perspectives, with no areas noted for improvement.
Industry Experience
Orpheus Solutions has demonstrated expertise in the Arts, Entertainment, and Music industry, particularly in enhancing marketing strategies. Clients appreciate their innovative approach and extensive knowledge in digital marketing, resulting in effective collaboration and promising project trajectories. Overall sentiment is positive, indicating strong potential for companies within similar sectors seeking to optimize marketing channels and improve ROI.
Read All ReviewsSelect Industry to see insights
Arts, entertainment & musicWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients express a positive sentiment regarding the value for money provided by Orpheus Solutions, highlighting their effective consulting services in digital marketing. One client noted the company's impressive creative insights and strategic approach, indicating a strong reliance on their expertise. Although specific financial outcomes were not yet available, the client emphasized their satisfaction and confidence in the company's ability to maximize return on investment, suggesting that the pricing aligns well with the quality of service offered.Was this helpful?
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$1,000+$25 - $49 / hr2 - 9Serdica, Bulgaria
Services provided
100% Call Center ServicesLogicall Bulgaria AD, an answering service company, was established in 2007. The company specializes in Call Center Services.
Read more -
$1,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Services provided
50% Call Center Services25% Customer Service Outsourcing25% Sales OutsourcingAlba Center, a small phone answering service, is headquartered in Sofia, Bulgaria. The team focuses on Call Center Services and Sales Outsourcing.
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$1,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Services provided
100% Call Center ServicesAnswering service Inter Contact Bulgaria is headquartered in Sofia, Bulgaria. They focus on Call Center Services and were launched in 2006.
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$1,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Services provided
50% Call Center Services50% Customer Service OutsourcingCallhalla, an answering service and Customer Service Outsourcing company, was established in 2014. The small team offers Call Center Services and Customer Service Outsourcing.
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List of the Top 10 Sofia Call Center Companies & Voice Services
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$1,000+< $25 / hr50 - 249Sofia, Bulgaria
Ability to deliver
30.8/40.017.4/20 Reviews10/10 Clients & Experience3.4/10 Market PresenceService focus
30% Call Center Services20% Sales Outsourcing50% Other -
$25,000+Undisclosed1,000 - 9,999Sofia, Bulgaria
Ability to deliver
30.2/40.016.2/20 Reviews9.7/10 Clients & Experience4.4/10 Market PresenceService focus
75% Sales Outsourcing25% Other -
$5,000+< $25 / hr50 - 249Sofia, Bulgaria
Ability to deliver
30/40.016.6/20 Reviews9.8/10 Clients & Experience3.7/10 Market PresenceService focus
10% Call Center Services20% Sales Outsourcing70% Other -
$5,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
Ability to deliver
24/40.016.4/20 Reviews3.7/10 Clients & Experience3.9/10 Market PresenceService focus
50% Sales Outsourcing50% Other -
$1,000+$25 - $49 / hr50 - 249София, Bulgaria
Ability to deliver
21.6/40.014.6/20 Reviews3/10 Clients & Experience4/10 Market PresenceService focus
65% Call Center Services10% Sales Outsourcing25% Other -
$1,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
Ability to deliver
27.2/40.016.2/20 Reviews8/10 Clients & Experience3/10 Market PresenceService focus
30% Sales Outsourcing70% Other -
UndisclosedUndisclosed10 - 49Sofia, Bulgaria
Ability to deliver
19.6/40.016.6/20 Reviews0/10 Clients & Experience3/10 Market PresenceService focus
80% Sales Outsourcing20% Other -
$10,000+Undisclosed2 - 9Sofia, Bulgaria
Ability to deliver
19.4/40.016.4/20 Reviews0/10 Clients & Experience3/10 Market PresenceService focus
15% Call Center Services60% Sales Outsourcing25% Other -
UndisclosedUndisclosed50 - 249Sofia, Bulgaria
Ability to deliver
23.8/40.016.2/20 Reviews3.9/10 Clients & Experience3.7/10 Market PresenceService focus
24% Call Center Services76% Other -
$1,000+< $25 / hr10 - 49Sofia, Bulgaria
Ability to deliver
23.5/40.014.6/20 Reviews5.5/10 Clients & Experience3.4/10 Market PresenceService focus
20% Call Center Services80% Other -
UndisclosedUndisclosed1,000 - 9,999Sofia, Bulgaria
Ability to deliver
4.4/40.00/20 Reviews0/10 Clients & Experience4.4/10 Market PresenceService focus
65% Sales Outsourcing35% Other -
UndisclosedUndisclosed2 - 9Sofia, Bulgaria
Ability to deliver
3/40.00/20 Reviews0/10 Clients & Experience3/10 Market PresenceService focus
70% Sales Outsourcing30% Other -
$1,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
Ability to deliver
7/40.00/20 Reviews3.6/10 Clients & Experience3.4/10 Market PresenceService focus
10% Call Center Services10% Sales Outsourcing80% Other -
UndisclosedUndisclosed2 - 9Sofia, Bulgaria
Ability to deliver
3/40.00/20 Reviews0/10 Clients & Experience3/10 Market PresenceService focus
50% Sales Outsourcing50% Other -
$1,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
100% Call Center Services -
$1,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
40% Call Center Services20% Sales Outsourcing40% Other -
$50,000+< $25 / hr1,000 - 9,999Sofia, Bulgaria
Ability to deliver
4/40.00/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
10% Call Center Services90% Other -
$1,000+Undisclosed50 - 249Sofia, Bulgaria
Ability to deliver
4/40.00/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
20% Call Center Services80% Other -
$1,000+< $25 / hr50 - 249Sofia, Bulgaria
Ability to deliver
3/40.00/20 Reviews0/10 Clients & Experience3/10 Market PresenceService focus
25% Call Center Services75% Other -
$5,000+$200 - $300 / hr2 - 9Sofia, Bulgaria
Ability to deliver
3.4/40.00/20 Reviews0/10 Clients & Experience3.4/10 Market PresenceService focus
20% Sales Outsourcing80% Other -
UndisclosedUndisclosed50 - 249Sofia, Bulgaria
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
20% Sales Outsourcing80% Other -
UndisclosedUndisclosed50 - 249Balsha, Bulgaria
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
60% Call Center Services40% Other -
$1,000+$50 - $99 / hr2 - 9Breznik, Bulgaria
Ability to deliver
22.4/40.016.2/20 Reviews2.8/10 Clients & Experience3.4/10 Market PresenceService focus
30% Sales Outsourcing70% Other -
$5,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Ability to deliver
19.2/40.016.2/20 Reviews0/10 Clients & Experience3/10 Market PresenceService focus
25% Call Center Services75% Other -
$1,000+$25 - $49 / hr2 - 9Serdica, Bulgaria
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
100% Call Center Services
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