Top Call Center Services & Voice Services in Sofia
10 Leaders 15 Contenders
27 Companies
List of the Top Sofia Call Center Companies & Voice Services
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What are Featured Providers?
$1,000+< $25 / hr250 - 999Serves Sofia, BulgariaServices provided
35% Call Center Services55% 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 Reasonable pricing
Clients have noted Simply Contact's pricing as a significant advantage, highlighting it as a 'huge plus' in their service offerings. One client specifically appreciated the 'good price for German-speaking resources,' which influenced their decision to collaborate. However, while pricing is favorable, clients have expressed concerns regarding the effectiveness of sales results, suggesting that while Simply Contact is competitive in terms of cost, there may be limitations in their sales capabilities.-
Telemarketing Outsourcing for Call Center
4.0 Jun 4, 2020Simply Contact’s prices are a huge plus. I can’t recommend Simply Contact for sales because of our experience, but if someone needs customer support or resources to handle incoming calls and emails, Simply Contact offers great pricing.
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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?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Overall, feedback regarding Simply Contact's cost and value for money is largely positive. Clients frequently noted that their pricing fits within budget constraints while delivering high-quality service. For instance, a marketing manager highlighted 'good value for cost,' and a CEO mentioned that Simply Contact 'met our expectations' regarding pricing strategies. However, some reviews suggested room for improvement in their pricing strategy. Overall, clients find them reliable and responsive, making them a cost-effective choice for customer support solutions.Was this helpful?
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This provider is fluent in 13 languages:
- Arabic
- Czech
- Dutch
- English
- French
- German
- Italian
- Polish
- Romanian
- Russian
- Slovakian
- Spanish
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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 86 projectsSupportYourApp is a distinguished provider of Customer Support Services, specializing in Contact Center Services, Inbound and Outbound Call Center solutions, and 24/7 Customer Care Services. The company is lauded for its adaptive and responsive service, with clients noting improved customer satisfaction and efficient project management. Approximately 90% of reviews emphasize their flexibility and commitment to delivering high-quality telephonic support across various industries.
8 of 11 reviews are 5 stars1 new review for Call Center Services services$200,000 – $999,999 avg. project costRead 11 Recent ReviewsReviewed 11 times in the past 6 months
Recent client feedback on SupportYourApp reveals a mix of satisfaction and disappointment. Positive sentiments highlight their responsiveness, flexibility, and efficient project management, with one client noting improved recruitment outcomes and another praising their 24/7 support capabilities. Conversely, a review from a lifestyle apparel brand expressed frustration over service quality, citing a lack of ownership and increased workload. Overall, while many clients appreciate the value and support provided, consistency in service quality remains a concern.Was this helpful?
30 of 33 Call Center Services reviews are 5 stars1 new review for Call Center Services in past 6 months$50,000 – $199,999 avg. project costRead 33 ReviewsCall Center Services PROJECT HIGHLIGHT
Call Center Services for Water & Energy Metering Company
5.0 — SupportYourApp provides customer care services for a water and energy metering company. The team answers first-level questions, handles hotline calls, and provides TeamViewer problem-solving. Read moreWas this helpful?
Industry Experience
SupportYourApp has received positive feedback across multiple industries, including Financial Services, Media, Energy & Natural Resources, Retail, Information Technology, and Education. Clients highlight their scalability, responsiveness, and expertise in customer support, with notable achievements in improving response times and customer satisfaction. Financial services and retail companies benefit from their ability to handle complex inquiries, while tech firms appreciate their technical proficiency. Overall, industries seeking reliable customer support and effective communication will find SupportYourApp to be a suitable partner.
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Hospitality & leisure Non-profit Consumer Products eCommerce HVAC Healthcare Telecommunications Arts, entertainment & music Research Transportation Other Industry Social Networking Business services Gaming Software Education Financial services Energy & natural resources Manufacturing Fitness Wellness & Fitness Advertising & marketing Other industries Information technology Retail Media IT ServicesWas 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) Luxembourg (1) Norway (1) Italy (1) Austria (1) Malta (1) Greece (1) New Zealand (1) Ireland (1) Poland (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 / 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 Well-executed projects
Hugo has received overwhelmingly positive feedback regarding their execution of projects. Clients highlighted their commitment to on-time deliveries and exceptional customer support, noting how Hugo's responsiveness and adaptability significantly improved satisfaction levels. One client praised their multilingual support and the development of a comprehensive FAQ page, which enhanced customer relationships. Overall, clients emphasized Hugo's seamless integration with their company culture, professionalism, and ability to exceed expectations, making them a reliable partner for project success.-
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.
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Multilingual Customer Support for Beverage Company
5.0 Aug 22, 2023Their commitment to delivering items on time has been truly remarkable. Hugo seamlessly adapted to our needs, ensuring every delivery was punctual and hassle-free. It's been a pleasure collaborating with a team that not only met our expectations but consistently exceeded them.
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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?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently commend the company for its exceptional value for money, highlighting that Hugo offers high-quality services at competitive rates. One client noted, 'Good value for cost,' while another emphasized their 'ability to scale services without compromising quality.' Many reviews reflect satisfaction with cost reductions and enhanced operational efficiency, with one client praising an '80% improvement in efficiency' compared to in-house hiring. Overall, the sentiment is overwhelmingly positive, indicating that clients perceive Hugo 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 / hr250 - 999Serves Sofia, BulgariaServices provided
35% Call Center Services55% 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 Reasonable pricing
Clients have noted Simply Contact's pricing as a significant advantage, highlighting it as a 'huge plus' in their service offerings. One client specifically appreciated the 'good price for German-speaking resources,' which influenced their decision to collaborate. However, while pricing is favorable, clients have expressed concerns regarding the effectiveness of sales results, suggesting that while Simply Contact is competitive in terms of cost, there may be limitations in their sales capabilities.-
Telemarketing Outsourcing for Call Center
4.0 Jun 4, 2020Simply Contact’s prices are a huge plus. I can’t recommend Simply Contact for sales because of our experience, but if someone needs customer support or resources to handle incoming calls and emails, Simply Contact offers great pricing.
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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?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Overall, feedback regarding Simply Contact's cost and value for money is largely positive. Clients frequently noted that their pricing fits within budget constraints while delivering high-quality service. For instance, a marketing manager highlighted 'good value for cost,' and a CEO mentioned that Simply Contact 'met our expectations' regarding pricing strategies. However, some reviews suggested room for improvement in their pricing strategy. Overall, clients find them reliable and responsive, making them a cost-effective choice for customer support solutions.Was this helpful?
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This provider is fluent in 13 languages:
- Arabic
- Czech
- Dutch
- English
- French
- German
- Italian
- Polish
- Romanian
- Russian
- Slovakian
- Spanish
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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 Adaptable
Clients have expressed a strong sentiment of adaptability regarding MarKam Solutions, highlighting their ability to tailor solutions to specific needs. One client noted their 'fast reaction' and 'quick adaptation to changes,' while another emphasized their 'data-driven decisions' and responsiveness. The Director of Operations at Sakaem Logistics commended their adaptability to the business's 'ever-changing needs,' indicating that MarKam Solutions effectively aligns with client requirements and fosters a collaborative partnership.-
Call Center Services for Logistics & Supply Chain Company
5.0 Nov 7, 2024They 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. Their in-depth industry knowledge, data-driven approach, and adaptability to the business's ever-changing needs.
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Call Center Services & Customer Service for Cybersecurity Co
5.0 Nov 6, 2025The management was highly professional, with great corporate culture, able to understand our needs and adapt themselves to tailor the solutions that works best for us. MarKam Solutions showed very personal approach with attention to our company and project. Even if our budget was tight, they did the impossible to tailor a solution that covers our needs.
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5 of 5 Call Center Services reviews are 5 stars1 new review for Call Center Services in past 6 months$50,000 – $199,999 avg. project costRead 5 ReviewsCall Center Services PROJECT HIGHLIGHT
Call Center Services for Logistics & Supply Chain Company
5.0 — MarKam Solutions provides outsourcing services for a logistics and supply chain company. The team is tasked with improving customer satisfaction, implementing new tech, and reducing operational Read moreWas this helpful?
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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$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 provider specializing in customer support, cold calling, and lead generation. The company receives largely positive feedback, with approximately 75% of reviewers highlighting their effective communication, quick response times, and organization. While their cold calling services are praised, some reviewers noted areas for improvement in their LinkedIn campaigns.
1 of 1 reviews is 5 starsUnknown avg. project costRead 1 Recent ReviewReviewed 1 time in the past 6 months
Recent feedback highlights Mercatus's effective lead generation strategies, particularly in the e-commerce sector. Clients praised their structured approach, achieving an impressive 89% meeting acceptance rate and consistently organizing eight meetings per month. The team's ability to tailor outreach and engage with high-level decision-makers was also noted. Overall sentiment is highly positive, with clients expressing satisfaction with the professionalism and results delivered, and no areas for improvement were identified.Was this helpful?
Industry Experience
Mercatus has demonstrated significant expertise in lead generation and marketing across various industries, including eCommerce, Information Technology, Manufacturing, Retail, and Financial Services. Clients highlight their strengths in targeting high-value prospects, effective communication, and project management. Overall sentiment reflects satisfaction with their results, especially in eCommerce and IT, while some feedback suggests improvements for specific market outreach. Organizations seeking reliable lead generation and outreach services, particularly in technology and retail sectors, may find Mercatus a suitable partner.
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Financial services Information technology Consulting IT Services Engineering Retail Software Consumer Products Construction Manufacturing Human Resources eCommerceWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently commend Mercatus for their competitive pricing and high value for money. For instance, one executive noted that Mercatus's pricing fit their budget and offered good value, while another client mentioned achieving significant ROI within a year. Overall, the sentiment reflects satisfaction with the cost-effectiveness of the services provided, with several clients expressing that the investment was justified by the results achieved.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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$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 (formerly Out2Bound) has garnered positive feedback across various industries including Financial Services, IT, and Other sectors. Clients commend their expertise in sales process optimization, lead generation, and tailored training solutions. In the Financial Services sector, they supported fintech clients in establishing effective sales strategies, resulting in increased efficiency and client engagement. In IT, their efforts led to successful outreach for software solutions. Overall, clients appreciate their adaptability, responsiveness, and commitment to delivering measurable results, making them a suitable partner for businesses aiming to enhance their sales capabilities.
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Software Financial services Design Information technology Healthcare Advertising & marketing Business services IT ServicesWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Overall, clients have expressed positive sentiments regarding the cost and value for money provided by Out2Bound. Many reviews highlight the company's good value for cost, with one client noting they were impressed by the 'great culture fit' and 'high ratings.' Another client emphasized that Out2Bound's services exceeded their expectations, stating they delivered on promises and demonstrated a 'structured approach' that resulted in successful outcomes. Additionally, clients appreciated the flexibility and adaptability of the team, often leading to tangible results despite budget considerations.Was this helpful?
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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.
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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See All Locations (2)Sofia, Bulgaria
13 ulitsa "Veslets"
Sofia, Bulgaria 100016 - 20
+1 614 432 8647
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Review Rating from Clients
5.0/5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
From Sofia, Hypergen demonstrates expertise in digital marketing and lead generation, supporting fintech, ed tech, and software firms. Reviewers commend their professionalism, deep industry insights, and proactive project management, making them a trusted extension of client teams for diverse outreach initiatives.Read Local ReviewsWas this helpful?
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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 Timely
Clients consistently praised Lukanoff Consulting Ltd for their timely project management and delivery. One client noted, 'Everything was done professionally and on time,' highlighting their efficiency. Another stated, 'They deliver everything requested on time,' emphasizing their reliability. Overall, the sentiment regarding timeliness is highly positive, with clients expressing satisfaction and no areas for improvement mentioned in this regard.-
Direct Marketing & Sales Outsourcing for ERP Platform
5.0 Mar 5, 2025Everything was done professionally and on time. The team shows great efficiency in terms of time and resources.
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Marketing Strategy & Email Marketing for Accounting Firm
5.0 Apr 24, 2025They deliver everything requested on time.
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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 distinguished by its bespoke approach to client needs. With a strong reputation for delivering results, reviews indicate a 100% satisfaction rate, highlighting impactful services such as tailored outreach strategies and proactive communication, contributing significantly to clients’ sales pipelines and lead conversion rates.
Reviews mention Timely
Clients consistently commend Scale Rush for their timely delivery and effective project management. One client noted that Scale Rush not only met but exceeded expectations by generating over 120 leads within the initial 60 days, which significantly surpassed their usual closing rate. The structured communication, including biweekly Zoom meetings, has also been highlighted as a positive aspect, reinforcing the company's reputation for reliability and punctuality.-
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
Scale Rush has demonstrated expertise in the Construction and Gaming industries. In Construction, they excelled in sales outsourcing, significantly enhancing the sales pipeline and appointment-setting rates, with positive feedback on their industry knowledge and proactive communication. In Gaming, their tailored lead generation strategies exceeded expectations, achieving a high closing rate with customized outreach. Overall, they are well-regarded for their results-driven approach and strong communication, making them a strong match for clients in these sectors.
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Construction GamingWas 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
Sofia-based clients praise ScaleRush for their tailored lead generation strategies, delivering over 120 qualified leads in 60 days for a gaming company. Their custom outreach and understanding of client pain points consistently exceed expectations, demonstrating strong project management and results-driven expertise.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 Accessible
The sentiment regarding accessibility for PowerSellers is overwhelmingly positive. Clients appreciate their readiness to address needs promptly, with one reviewer noting, 'they are always ready to attend to any need.' Additionally, the team's availability and eagerness to work are highlighted as impressive qualities. However, there is a suggestion for improvement in terms of exercising more patience during busy times.-
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 is impressive. Their primary form of communication with PowerSellers included Virtual Meetings and 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?
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?
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 Proactive
Clients have consistently praised InfoSource Bulgaria Ltd for their proactive approach to project management. One client highlighted their responsiveness, stating that the team was 'always very responsive, timely and pro-active.' Additionally, they appreciated the ongoing support in identifying market changes. Overall, the sentiment reflects a strong satisfaction with the company's ability to anticipate needs and deliver quality service efficiently.-
Financial Services for Financial & Economic Media Company
5.0 Sep 14, 2023Project management on our project was always very responsive, timely and pro-active. We 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 (6)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.
Read more -
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
Read more -
$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.
Read more -
$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.
Read more -
$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.
Read more -
$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.
Read more -
$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.
Read more -
$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 Exceeds expectations
The feedback from Mobica indicates that Passion4Growth exceeded expectations by significantly advancing their business development goals, achieving around 15 strategic meetings weekly and establishing a sales pipeline worth approximately 2.5 million Euros. The collaboration was marked by effective communication and timely delivery, with the client praising Passion4Growth's unique approach to partner engagement and their commitment to excellence, resulting in an overwhelmingly positive experience.-
Business Development Consulting for IT & Telecommunications Company
5.0 Mar 29, 2024Passion4Growth's unique approach to business development, particularly their ability to utilize a variety of digital channels for effective partner engagement, was highly impressive. Their strategic and personalized approach set them apart in the industry. Our experience with Passion4Growth was overwhelmingly positive, highlighting them as one of our most valued partners. The entire process was exemplary, showcasing their commitment to excellence and partnership success.
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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 clients commend Passion4Growth for their dynamic, results-oriented approach to lead generation, brand positioning, and sales growth. They excel in creating customized campaigns, maintaining clear communication, and consistently delivering on time, helping clients expand their networks and secure new business opportunities.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.
Read more -
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.
Read more -
$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.
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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.
Read more -
$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.
Read more -
$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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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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$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 -
$1,000+< $25 / hr50 - 249Sofia, Bulgaria
Ability to deliver
32.6/40.017.6/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
30% Call Center Services20% Sales Outsourcing50% Other -
$5,000+< $25 / hr50 - 249Sofia, Bulgaria
Ability to deliver
32.5/40.017/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
10% Call Center Services20% Sales Outsourcing70% Other -
$5,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
Ability to deliver
25.4/40.016.6/20 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
28.2/40.016.2/20 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 - 9,999Sofia, Bulgaria
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 - 249Sofia, Bulgaria
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 / hr50 - 249Sofia, Bulgaria
Ability to deliver
4/40.00/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
25% Call Center Services75% 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 -
$5,000+$200 - $300 / hr2 - 9Sofia, Bulgaria
Ability to deliver
4.6/40.00/20 Reviews0/10 Clients & Experience4.6/10 Market PresenceService focus
20% Sales Outsourcing80% 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
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