Top Call Center Services & Voice Services in Sofia
25 Companies
List of the Top Sofia Call Center Companies & Voice Services
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$1,000+< $25 / hr250 - 999Serves Sofia, BulgariaServices provided
30% Call Center Services60% Customer Service Outsourcing10% Back Office OutsourcingSee all 26 projectsSimply Contact is a professional contact center services company specializing in inbound and outbound call handling, customer support services, and telephonic support across various languages and channels. Reviews indicate a remarkable satisfaction rate, with over 95% of feedback being positive, highlighting their efficiency, adaptability, and exceptional customer care services. Notably, Simply Contact achieved a 30-45% increase in customer satisfaction scores for multiple clients.
Reviews mention Unique expertise
Clients have consistently praised Simply Contact for their unique expertise in delivering tailored customer support solutions across various industries. One client noted their exceptional ability to provide specialized support for educational platforms, while another highlighted their customized approach to address specific challenges. Overall, the sentiment reflects a strong appreciation for Simply Contact's industry knowledge and adaptability, with clients reporting significant improvements in customer satisfaction and operational efficiency.-
Inbound Customer Support Services for EdTech Company
5.0 Apr 5, 2024The expertise in providing specialized support for different industries, including educational platforms and proactive customer interaction management across different channels was exceptional and truly set them apart.
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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?
Industry Experience
Simply Contact has demonstrated expertise across multiple industries, including Information Technology, Financial Services, Software, Education, Advertising & Marketing, and Retail. Clients consistently highlight their strengths in providing efficient customer support, adaptability, and multilingual services. Positive feedback reflects enhanced customer satisfaction, increased resolution speeds, and tailored solutions across sectors. Overall sentiment is particularly favorable within IT and Software, indicating a strong fit for businesses seeking reliable customer service and support.
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Software Information technology Financial services Education Advertising & marketing IT Services Arts, entertainment & music Retail Hospitality & leisure Human Resources Business services TelecommunicationsWas this helpful?
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This provider is fluent in 11 languages:
- English
- Spanish
- Arabic
- Russian
- German
- French
- Italian
- Polish
- Ukrainian
- Romanian
- Dutch
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$1,000+< $25 / hr1,000 - 9,999Serves Sofia, BulgariaServices provided
25% Call Center Services55% Customer Service Outsourcing15% Back Office Outsourcing +1 service5% Data Annotation ServicesSee all 78 projectsSupportYourApp is a comprehensive customer support company that specializes in Contact Center Services, providing 24/7 Customer Support Services through Inbound and Outbound Call Center operations. Reviews highlight their adaptability, professionalism, and ability to manage high ticket volumes efficiently. Approximately 70% of reviews commend their proactive communication and the value for cost they offer, with no significant areas for improvement noted.
12 of 13 reviews are 5 stars1 new review for Call Center Services services$200,000 – $999,999 avg. project costRead 13 Recent ReviewsReviewed 13 times in the past 6 months
In the past six months, clients have praised SupportYourApp for their reliable and responsive customer support. Notably, a client from HyperCinema highlighted their team's consistent availability and effective issue resolution, rating their service 9 out of 10. Another client from Tungsten Automation commended the team's dedication, especially during challenging circumstances like the Russian invasion. Overall, the sentiment is overwhelmingly positive, with clients appreciating the flexibility, professionalism, and proactive approach of SupportYourApp.Was this helpful?
Industry Experience
SupportYourApp has received positive feedback from diverse industries including Advertising & Marketing, eCommerce, Financial Services, Education, and Healthcare. Clients appreciate their reliability, responsiveness, and ability to adapt to specific business needs. Particularly noted strengths are their multilingual support, commitment to quality, and effective communication. Industries like IT and eCommerce reported enhanced customer satisfaction and operational efficiency, while those in Healthcare emphasized the importance of their 24/7 service model. Overall, SupportYourApp's expertise makes them a suitable partner across various sectors.
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Non-profit Consumer Products eCommerce Retail HVAC Healthcare Telecommunications Arts, entertainment & music Research Transportation Other Industry Social Networking Hospitality & leisure Business services Gaming Information technology Software Education IT Services Financial services Manufacturing Fitness Wellness & Fitness Advertising & marketingWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Client feedback regarding SupportYourApp highlights consistent satisfaction with its pricing and value for money. Many clients noted that the pricing fit their budget and provided good value, with one stating it was crucial for scaling operations. Overall, clients appreciated the flexibility and responsiveness of the service, leading to improved customer satisfaction and operational efficiency. Specific comments include: 'Pricing fit our budget' and 'Good value for cost,' underscoring the company's ability to deliver effective support without compromising quality.Was this helpful?
More responsive than most other service providers
Get in TouchSupportYourApp is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.Was this helpful?
$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 Exceptional performance
Clients consistently praised Hugo for their exceptional performance, highlighting substantial outcomes such as an 80% reduction in support ticket response times and effective community moderation for over 100K users. Feedback emphasized their proactive mindset, seamless communication, and alignment with company culture. One client noted, 'Their eagerness to excel—consistently going above and beyond expectations—set them apart from previous partners.' Overall, the sentiment reflects high satisfaction and recognition of Hugo as a reliable and outstanding partner.-
Digital Strategy for Environmental Solutions Platform
5.0 Aug 29, 2023Our partnership with Hugo Outsourcing Company has sparked a remarkable transformation in our operations. We now update solution pages four times faster, ensuring clients access the latest information promptly. Additionally, our customer responses occur in under two hours, showcasing our commitment to swift and top-notch service. These achievements exemplify our dedication to innovation and exceptional customer experiences, setting new industry benchmarks.
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Customer Service Outsourcing for Gaming Company
5.0 Aug 22, 2023I'm thrilled to express my outstanding journey partnering with Hugo, our reliable outsourcing ally. Hugo's unwavering commitment to on-time deliveries has been nothing short of impressive. Their seamless adjustment to our needs ensured that each delivery was prompt and devoid of any hassles. Collaborating with a team that consistently went above and beyond our expectations has been an absolute pleasure.
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Multilingual Customer Support for Beverage Company
5.0 Aug 22, 2023I'm thrilled to share my experience working with Hugo that has truly transformed our customer support. Their expertise in accelerating response times and providing multilingual support has been nothing short of remarkable. They seamlessly implemented strategies that significantly reduced our response times, ensuring that our valued customers never had to wait long for assistance. This level of responsiveness not only improved customer satisfaction but also showcased their commitment to delivering exceptional service.
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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
Back Office Outsourcing for E-Commerce Co
5.0 — Hugo provides back-office outsourcing for an e-commerce company. The team has handled the client's back-office tasks, managed communications and relationships with retailers' networks, and vetted Read moreWas this helpful?
Industry Experience
Hugo Inc. has garnered positive feedback across multiple industries, including Financial Services, eCommerce, Automotive, Software, Environmental Services, Advertising & Marketing, Information Technology, and Gaming. Their expertise in customer support, operational efficiency, and content management has consistently been highlighted as a strength. Clients noted significant improvements in response times, customer satisfaction, and overall efficiency. Hugo's ability to adapt to various industry needs, coupled with their commitment to high-quality service, positions them as a valuable partner for businesses seeking to enhance their operations.
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Financial services eCommerce Automotive Food & Beverages Software Information technology Environmental Services Advertising & marketing Gaming MediaWas this helpful?
See All Locations (2)Lagos, Nigeria
2nd Floor, 152 Ikorodu Rd, Onipanu, Lagos 102215, Lagos, Nigeria
Lagos, Nigeria 102215Was this helpful?
$1,000+< $25 / hr250 - 999Serves Sofia, BulgariaServices provided
30% Call Center Services60% Customer Service Outsourcing10% Back Office OutsourcingSee all 26 projectsSimply Contact is a professional contact center services company specializing in inbound and outbound call handling, customer support services, and telephonic support across various languages and channels. Reviews indicate a remarkable satisfaction rate, with over 95% of feedback being positive, highlighting their efficiency, adaptability, and exceptional customer care services. Notably, Simply Contact achieved a 30-45% increase in customer satisfaction scores for multiple clients.
Reviews mention Unique expertise
Clients have consistently praised Simply Contact for their unique expertise in delivering tailored customer support solutions across various industries. One client noted their exceptional ability to provide specialized support for educational platforms, while another highlighted their customized approach to address specific challenges. Overall, the sentiment reflects a strong appreciation for Simply Contact's industry knowledge and adaptability, with clients reporting significant improvements in customer satisfaction and operational efficiency.-
Inbound Customer Support Services for EdTech Company
5.0 Apr 5, 2024The expertise in providing specialized support for different industries, including educational platforms and proactive customer interaction management across different channels was exceptional and truly set them apart.
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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?
Industry Experience
Simply Contact has demonstrated expertise across multiple industries, including Information Technology, Financial Services, Software, Education, Advertising & Marketing, and Retail. Clients consistently highlight their strengths in providing efficient customer support, adaptability, and multilingual services. Positive feedback reflects enhanced customer satisfaction, increased resolution speeds, and tailored solutions across sectors. Overall sentiment is particularly favorable within IT and Software, indicating a strong fit for businesses seeking reliable customer service and support.
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Software Information technology Financial services Education Advertising & marketing IT Services Arts, entertainment & music Retail Hospitality & leisure Human Resources Business services TelecommunicationsWas this helpful?
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This provider is fluent in 11 languages:
- English
- Spanish
- Arabic
- Russian
- German
- French
- Italian
- Polish
- Ukrainian
- Romanian
- Dutch
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MarKam Solutions
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$1,000+< $25 / hr50 - 249Sofia, BulgariaServices 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 Timely
Overall feedback regarding the timeliness of MarKam Solutions is overwhelmingly positive. Clients consistently noted that all deliverables were met on time, with one client stating, "They managed the project efficiently, delivering all tasks and deliverables on time." Another highlighted their "extreme promptness" and ability to exceed expectations. Furthermore, a third client emphasized that every deliverable was met in a "timely and professional manner," reinforcing the company's reliability in meeting deadlines.-
Call Center Services for Furniture Manufacturer
5.0 Nov 1, 2024All project deliverables were met in professional and timely manner.
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Sales & Customer Service Outsourcing for Transportation Co
5.0 Sep 9, 2024Every deliverable was met on a timely and professional manner.
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Call Center Services for Auto Transport Broker
5.0 Mar 19, 2025MarKam Solutions have exceeded all expectations in regards to speed and quality of delivery. They have also been incredibly decisive when things aren't working.
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Back Office Outsourcing for Creative Agency
5.0 Nov 5, 2025They managed the project efficiently, delivering all tasks and deliverables on time. Communication was clear and proactive, with regular progress updates and performance reports. Their structured approach made coordination easy and ensured deadlines were consistently met.
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Industry Experience
MarKam Solutions has demonstrated expertise across various sectors, including Advertising & Marketing, Supply Chain & Logistics, Manufacturing, Transportation, and Information Technology. Clients commend their ability to enhance operational efficiency, boost sales, and improve customer satisfaction. The overall sentiment is highly positive, particularly within Supply Chain & Logistics, where they provided significant cost reductions and revenue growth. Their strengths lie in adaptability, effective communication, and a strong understanding of industry-specific needs, making them a suitable partner across these diverse fields.
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Advertising & marketing Information technology Supply Chain, Logistics, and Transport Manufacturing TransportationWas this helpful?
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?
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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 22 projectsMercatus is a company specializing in Contact Center Services, providing Customer Support Services, Inbound Call Center, and Telephonic Support. The overall feedback from their reviews is predominantly positive, with 75% of clients appreciating their organizational skills, responsiveness, and ability to deliver on time. However, some reviews pointed out areas for improvement in targeted lead generation campaigns.
Reviews mention Exceptional results
The feedback from ÖHMI Bulgaria highlights exceptional results achieved through their collaboration with Mercatus. Clients praised the team's responsiveness, organization, and ability to adapt to specific needs, noting that the campaign exceeded expectations. The account manager's professionalism and dedication were particularly commended, contributing significantly to the project's success. Overall, clients expressed satisfaction with Mercatus's high-quality service and their effective understanding of complex requirements, indicating a strong willingness to engage in future projects.-
LinkedIn Marketing for Consultancy Company
5.0 Dec 29, 2020The interim and final reports showed a consistent strive resulting in achievement of the set goals. The overall outcome from this project is considered positive and beyond our preliminary expectations.
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LinkedIn Marketing for Consultancy Company
5.0 Dec 29, 2020We were happy to notice that without having any previous common work experience, Mercatus managed to deliver the expected high quality service and to provide us the solution which saved us resources as time, budget and stress and helped us achieve our goals.
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Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently highlight Mercatus for providing good value for money, with feedback indicating that their pricing aligns well with budget expectations. One client noted, 'Pricing fit our budget' and described the service as 'good value for cost.' Another emphasized that their investment was repaid within a year. Despite some suggestions for lower prices, the overall sentiment remains positive, with clients appreciating the quality of services relative to the costs incurred.Was this helpful?
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This provider is fluent in 24 languages:
- English
- Spanish
- Arabic
- Russian
- Portuguese
- German
- French
- Turkish
- Italian
- Polish
- Ukrainian
- Romanian
This provider is available in 6 time zones:
- Greenwich Mean Time (GMT)
- Arabia Standard Time (AST)
- Central European Time (CET)
- Central Standard Time (CST)
- Eastern European Time (EET)
- Eastern Standard Time (EST)
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1 of 1 Sofia-based review is 5 starsLess than $10,000 avg. project cost for Call Center Services services in SofiaRead Similar ReviewsSofia-based Call Center Services project highlight
Lead Generation Services for IT Services Company
5.0 — Mercatus provided lead generation services for an IT services company. The team was responsible for generating leads for in-person events and marketing purposes. Read moreWas 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.
Industry Experience
MarketStar Bulgaria has received positive feedback across various industries, particularly in Software, IT Services, and Financial Services. Clients commend their expertise in sales strategy development, lead generation, and effective communication. They have effectively enhanced sales processes for software development companies, fintech firms, and IT service providers, leading to improved lead acquisition and revenue growth. Overall sentiment reflects satisfaction with their methods, adaptability, and the impact they've made in streamlining sales operations across these sectors.
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Software Financial services IT Services Design Information technology Healthcare Advertising & marketing Business servicesWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently praised MarketStar Bulgaria for offering good value for money, often highlighting their effective sales strategies and tailored training programs. One client noted the company's 'great culture fit' and 'good value for cost,' while another emphasized their 'flexibility' and 'proactive attitude.' Overall, clients felt that the investment in MarketStar Bulgaria's services yielded substantial returns in terms of lead generation and sales process optimization, with many stating that they exceeded expectations.Was this helpful?
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Review Rating from Clients
5.0/5.0
Quality
5.0
Schedule
5.0
Cost
4.9
Willing to Refer
5.0
Reviewers in Sofia highlight MarketStar Bulgaria's deep knowledge in B2B IT sales, offering comprehensive services from strategy to execution. Their flexible, client-focused methodology has resulted in increased leads, market entry, and sales pipeline optimization, with high praise for their professionalism and adaptability.Read Local ReviewsWas 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.
Reviews mention Efficient
Clients have consistently praised Hypergen for their efficient workflow and effective communication. One client noted, "The workflow was very efficient and effective," while another highlighted their "quick responses with helpful insights." The ability to generate leads and maintain a streamlined process was frequently mentioned, with one client stating, "These guys are pros!" Overall, the sentiment regarding efficiency is overwhelmingly positive, indicating a strong alignment with client needs and expectations.-
Email Marketing & Copywriting for Real Estate Brokerage
5.0 Jun 24, 2022The workflow was very efficient and effective. We communicated primarily by email and would supplement this with video calls when necessary.
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Email Marketing for Real Estate Company
5.0 Jan 6, 2022Very efficient whether its launching new campaigns or following up on support requests, these guys are pros!
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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?
See All Locations (1)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 is a firm specializing in Customer Support Services, offering targeted solutions in lead generation and B2B marketing. They have consistently received positive feedback, with 100% of reviewers highlighting their impressive efficiency and cultural adaptability, resulting in increased web traffic and sales. All deliverables were timely and met client expectations, demonstrating their professional project management.
Reviews mention Proactive
Clients consistently highlight Lukanoff Consulting's proactive approach, particularly in project management. One client noted their initiative in organizing regular meetings to review results and discuss adjustments, reflecting a commitment to client engagement. Moreover, their flexibility in adapting proposals to meet client needs demonstrates a proactive mindset. Overall, the sentiment is positive, with clients expressing satisfaction regarding their proactive communication and adaptability, which fosters a strong working relationship.-
LinkedIn Outreach for Technical Documentation Company
5.0 Mar 28, 2022They’re very proactive in organizing meetings either every week or every couple of weeks to go over the results and discuss potential changes if needed. Additionally, they always deliver on the schedule side of things. They’re also considerate when it comes to pricing.
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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?
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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 projectsScale Rush is a lead generation and sales outsourcing company known for its effective custom pipelines and tailored outreach strategies. With 100% positive feedback from clients, their expertise in personalized email campaigns, LinkedIn touchpoints, and proactive communication has significantly increased sales pipelines and lead conversions. Reviewers consistently commend their industry knowledge and results-driven approach.
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients have consistently praised Scale Rush for providing excellent value for their cost. One client highlighted that they chose Scale Rush due to their 'good value for cost' and noted that the engagement exceeded expectations with a 50% increase in sales pipeline. Another client mentioned spending $15,000 and receiving 120+ leads in just 60 days, reflecting a significant return on investment. Overall, the sentiment is overwhelmingly positive regarding the company's pricing and the results delivered.Was this helpful?
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Review Rating from Clients
5.0/5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
4.5
From Sofia, clients commend ScaleRush for their effective lead generation, surpassing targets with customized email and LinkedIn outreach. Their attentive, results-oriented approach and seamless project execution make them a trusted partner for complex marketing solutions.Read Local ReviewsWas 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 Communicative
The feedback regarding PowerSellers' communication is overwhelmingly positive. One client noted they were 'very communicative' and 'responsive to my inquiries,' highlighting effective engagement through virtual meetings and messaging apps. This responsiveness contributed to a smooth project management experience, with no areas for improvement identified. Overall, clients appreciate PowerSellers' proactive communication style, which enhances their collaborative efforts.-
Certificate Acquirement & Redemption for Cocoa Products Co
5.0 Apr 19, 2024The company was very communicative, responsive to my inquiries. Our primary forms of communication were virtual meetings and email or messaging apps, which facilitated timely and effective exchanges. Their project management was efficient, ensuring that items were delivered on time and that our needs were adequately addressed.
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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?
Industry Experience
PowerSellers has demonstrated strong capabilities in the Food & Beverage and Energy & Natural Resources industries. Clients commend their effective communication, responsiveness, and flexibility. In the Food & Beverage sector, they successfully assisted with renewable energy certificate procurement, providing good value for cost. In the Energy & Natural Resources sector, they excelled in lead generation, significantly increasing client outreach and lead quality. Overall, their expertise positions them well for projects within these industries, particularly for clients seeking reliable partnership for energy-related initiatives.
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Food & Beverage Energy & natural resourcesWas 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 reviewer noted that their pricing fit the budget and offered good value for the cost, while another emphasized the same points, stating that PowerSellers provided excellent service at a reasonable price. Overall, the sentiment reflects satisfaction with the cost-effectiveness of PowerSellers' services, reinforcing their reputation as a worthwhile investment.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 High-quality work
Clients commend InfoSource Bulgaria Ltd for delivering high-quality work consistently. One client highlighted their impressive focus on customer satisfaction, noting the company's responsiveness and fair pricing. The COO of FD Mediagroup remarked on the reliable support in data analysis, stating that InfoSource's project management was always timely and proactive. Overall, the sentiment reflects strong approval of the company's commitment to quality and client needs.-
Financial Services for Financial & Economic Media Company
5.0 Sep 14, 2023We have always been very happy to work with Infosource for different reasons: They focus on customer happiness, high quality for a fair price, very responsive, easygoing and great to work with.
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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 (5)Sofia, Bulgaria
bulevard "Cherni vrah"
Sofia, Bulgaria 1415201 - 250
359 89 593 6318
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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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$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 - $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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$1,000+$50 - $99 / hr2 - 9Breznik, Bulgaria
Services provided
50% Business Consulting50% Sales OutsourcingSee 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 Great project management
Clients have consistently praised Passion4Growth for their excellent project management, highlighting timely deliverables and clear communication. One client noted that their project management was 'smooth and reliable,' with all needs addressed promptly. The founder's personal involvement and transparency throughout the process further enhanced the collaborative experience. Overall, the sentiment regarding project management is overwhelmingly positive, indicating a strong alignment with client expectations and project goals.-
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
Local clients in Sofia highlight Passion4Growth’s proficiency in digital marketing, including database creation, targeted outreach, and campaign management for software and e-commerce companies. Their proactive approach and reliable project delivery have led to tangible outcomes such as client acquisition and improved online positioning.Read Local ReviewsWas this helpful?
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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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$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 primarily in the Arts, Entertainment, and Music industry, providing consulting services for marketing strategies. Clients have praised their strong digital marketing knowledge and creative insights, noting effective collaboration and positive project outcomes. Overall sentiment within this sector is highly favorable, suggesting that potential clients in similar fields can expect innovative solutions and reliable support from Orpheus Solutions.
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Arts, entertainment & musicWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients have expressed satisfaction with Orpheus Solutions' pricing, noting it as reasonable for the value provided. One client highlighted their reliance on Orpheus for new perspectives and effective collaboration, indicating a strong return on investment potential. Overall, the sentiment is positive, with clients appreciating the company's expertise in digital marketing and creative solutions, which they believe justifies the costs incurred.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.
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$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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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:
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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
33/40.018/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
30% Call Center Services20% Sales Outsourcing50% Other -
$25,000+Undisclosed1,000 - 9,999Sofia, Bulgaria
Ability to deliver
32.7/40.016.2/20 Reviews9.7/10 Clients & Experience6.8/10 Market PresenceService focus
75% Sales Outsourcing25% Other -
$5,000+< $25 / hr50 - 249Sofia, Bulgaria
Ability to deliver
32.3/40.016.8/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
10% Call Center Services20% Sales Outsourcing70% Other -
$5,000+$50 - $99 / hr10 - 49Dover, DE
Ability to deliver
25.8/40.017/20 Reviews3.7/10 Clients & Experience5.2/10 Market PresenceService focus
50% Sales Outsourcing50% Other -
$1,000+$25 - $49 / hr50 - 249София, Bulgaria
Ability to deliver
22.9/40.014.6/20 Reviews3/10 Clients & Experience5.3/10 Market PresenceService focus
65% Call Center Services10% Sales Outsourcing25% Other -
$1,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
Ability to deliver
28.6/40.016.6/20 Reviews8/10 Clients & Experience4/10 Market PresenceService focus
30% Sales Outsourcing70% Other -
UndisclosedUndisclosed10 - 49Sofia, Bulgaria
Ability to deliver
21.2/40.017.2/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
80% Sales Outsourcing20% Other -
$10,000+Undisclosed2 - 9Sofia, Bulgaria
Ability to deliver
20.4/40.016.4/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
15% Call Center Services60% Sales Outsourcing25% Other -
UndisclosedUndisclosed50 - 249Sofia, Bulgaria
Ability to deliver
25/40.016.2/20 Reviews3.9/10 Clients & Experience4.9/10 Market PresenceService focus
24% Call Center Services76% Other -
$1,000+< $25 / hr10 - 49Sofia, Bulgaria
Ability to deliver
25.2/40.014.8/20 Reviews5.5/10 Clients & Experience4.9/10 Market PresenceService focus
20% Call Center Services80% Other -
UndisclosedUndisclosed1,000 - 9,999Ogden, UT
Ability to deliver
5.8/40.00/20 Reviews0/10 Clients & Experience5.8/10 Market PresenceService focus
65% Sales Outsourcing35% Other -
$1,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
Ability to deliver
8.2/40.00/20 Reviews3.6/10 Clients & Experience4.6/10 Market PresenceService focus
10% Call Center Services10% Sales Outsourcing80% Other -
UndisclosedUndisclosed2 - 9Sofia, Bulgaria
Ability to deliver
4/40.00/20 Reviews0/10 Clients & Experience4/10 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 -
$50,000+< $25 / hr1,000 - 9,999Sofia, Bulgaria
Ability to deliver
5.3/40.00/20 Reviews0/10 Clients & Experience5.3/10 Market PresenceService focus
10% Call Center Services90% Other -
$1,000+Undisclosed50 - 249Jerusalem, Israel
Ability to deliver
5.3/40.00/20 Reviews0/10 Clients & Experience5.3/10 Market PresenceService focus
20% Call Center Services80% Other -
$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 -
$1,000+$50 - $99 / hr2 - 9Breznik, Bulgaria
Ability to deliver
23.4/40.016.6/20 Reviews2.8/10 Clients & Experience4/10 Market PresenceService focus
50% Sales Outsourcing50% 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 -
$5,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Ability to deliver
20.2/40.016.2/20 Reviews0/10 Clients & Experience4/10 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 -
$1,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
50% Call Center Services25% Sales Outsourcing25% Other -
$1,000+$25 - $49 / hr2 - 9Sofia, 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
50% Call Center Services50% Other
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