Top 30 Call Center Services in Bulgaria

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Top 30 Call Center Services in Bulgaria

The Best of December 2025

Looking for a top voice service and call center company in Bulgaria?

Voice services companies provide value to your company: automating your client communication allows your company the flexibility to devote resources to core firm-building activities.

To assist you in your search for a partner, we’ve compiled this list of the top voice and call center services in Bulgaria. 

List of the Best Bulgaria Voice Services Providers

  • 1
    (9 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Sofia, Bulgaria
    MarKam Solutions is a call center company. Their midsize team is in Sofia, Bulgaria and offers Call Center Services, Customer Service Outsourcing, Sales Outsourcing, IT managed services, and more. The agency was established in 2021.
    Read More

    Industries

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  • 2
    (22 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    4.8
    $5,000+
    50 - 249 employees
    Sofia, Bulgaria

    Mercatus is a boutique BPO and ITO service and solution provider from Sofia, Bulgaria founded in 2018. With a team of about 20 employees, they offer their clientele voice services, business consulting, IT staff augmentation, back-office services, and more.

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    Clients

    J2 GLobal

    Industries

  • 3
    (15 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Sofia, Bulgaria
    Sales Outsourcing company Hypergen was established in 2019. The small Dover, Delaware-based team provides Sales Outsourcing, CRM consulting and SI, Conversion Optimization, and Email Marketing.
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    Industries

  • 4
    (8 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $1,000+
    2 - 9 employees
    Sofia, Bulgaria
    Lukanoff Consulting Ltd, a Sales Outsourcing company, was founded in 2020. They are headquartered in Sofia, Bulgaria and have a small team. Lukanoff Consulting Ltd offers Sales Outsourcing, Direct Marketing, Marketing Strategy, Email Marketing, and more.
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    Industries

  • 5
    (1 Reviews) 4.5

    Timeliness

    5.0

    Service Excellence

    4.0

    Value

    4.0

    Would Recommend

    4.5
    $1,000+
    50 - 249 employees
    София, Bulgaria

    In София, Bulgaria, Euroccor JSC is a midsize answering service. Founded in 2005, the team provides voice services, non-voice bpo/back office services, and social media marketing.

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    Industries

  • 6
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $5,000+
    250 - 999 employees
    Burgas, Bulgaria

    Callboxs is a business consulting company. Their midsize team is headquartered in Burgas, Bulgaria. The company provides business consulting, direct marketing, voice services, non-voice bpo/back office services, and more.

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    Industries

  • 7
    (9 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $1,000+
    2 - 9 employees
    Breznik, Bulgaria

    Established in 2019, Passion4Growth is an answering service and business consulting company. They are located in Breznik, Bulgaria and have a small team. The company focuses on voice services and business consulting.

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    Industries

  • 8
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    50 - 249 employees
    Sofia, Bulgaria

    Established in 2009, CXG Business Process Outsourcing is a midsize answering service company. Their services include voice services, non-voice bpo/back office services, and HR services. The company is located in Sofia, Bulgaria.

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    Industries

  • 9
    (2 Reviews) 4.5

    Timeliness

    4.5

    Service Excellence

    4.5

    Value

    4.5

    Would Recommend

    4.5
    $1,000+
    10 - 49 employees
    Sofia, Bulgaria

    Established in 2005, Infosource is a non-voice bpo/back office services company. Their small team is located in Sofia, Bulgaria and focuses on non-voice bpo/back office services and HR services.

    Read More

    Industries

  • 10
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    4.8
    Undisclosed
    10 - 49 employees
    Sofia, Bulgaria
    ScaleRush, a Sales Outsourcing company, was launched in 2023. Their small team is located in Sofia, Bulgaria and specializes in Sales Outsourcing and Email Marketing.
    Read More

    Industries

  • 11
    (2 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.5

    Value

    5.0

    Would Recommend

    4.8
    $10,000+
    2 - 9 employees
    Sofia, Bulgaria
    PowerSellers is a Sofia, Bulgaria-based sales outsourcing company. The company provides sales outsourcing, market research, and call center services and is small.The company was established in 2019.
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    Industries

  • 12
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Burgas, Bulgaria
    Answering service company Zadarma was founded in 2006. The midsize team specializes in Call Center Services.
    Read More
  • 13
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Sofia, Bulgaria
    Established 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

    Industries

  • 14
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Sofia, Bulgaria
    Expand 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 Outsourcing.
    Read More
  • 15
    (0 Reviews)

    Not yet reviewed.

    $50,000+
    1,000 - 9,999 employees
    Sofia, Bulgaria
    Sixty 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
  • 16
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Plovdiv, Bulgaria
    Phone answering service BPO Bulgaria was established in 2014. The small team specializes in Call Center Services and Accounting.
    Read More
  • 17
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Sofia, Bulgaria
    Call center service Customer Care BG Ltd. Is located in Sofia, Bulgaria. Their services include Call Center Services.
    Read More
  • 18
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Varna, Bulgaria
    Established in 2023, Virtuwise is a branding company. The small team offers Branding and Digital Strategy.
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  • 19
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Sofia, Bulgaria
    Euro Connect is a small phone answering service in Sofia, Bulgaria. The team offers Call Center Services and Customer Service Outsourcing.
    Read More
  • 20
    (20 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    250 - 999 employees
    Varna, Bulgaria

    Customer Umbrella is a non-voice bpo/back office services and call center service in Varna, Bulgaria. The midsize firm was launched in 2010. Their team offers non-voice bpo/back office services and voice services.

    Read More

    Industries

  • 21
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Sofia, Bulgaria

    Orpheus Solutions is an outsourcing company headquartered in Sofia, Bulgaria. Founded in 2018, they have a team of 5 employees. Their main focus lines are corporate training, business consulting, and voice services.

    Read More

    Industries

  • 22
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Sofia, Bulgaria
    Launched in 2010, Squaretalk is an unified communications consulting & SI company. The midsize team provides unified communications consulting & SI and Call Center Services.
    Read More
  • 23
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Sofia, Bulgaria
    Social media marketing firm eTel Digital Agency was founded in 2001. The midsize team specializes in Social Media Marketing and Email Marketing.
    Read More
  • 24
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Serdica, Bulgaria
    Logicall Bulgaria AD, an answering service company, was established in 2007. The company specializes in Call Center Services.
    Read More
  • 25
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Sofia, Bulgaria
    Alba Center, a small phone answering service, is headquartered in Sofia, Bulgaria. The team focuses on Call Center Services and Sales Outsourcing.
    Read More
  • 26
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Sofia, Bulgaria
    Answering service Inter Contact Bulgaria is headquartered in Sofia, Bulgaria. They focus on Call Center Services and were launched in 2006.
    Read More
  • 27
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Burgas, Bulgaria
    Swissbroker is a small Burgas, Bulgaria-based call center. The team provides Call Center Services.
    Read More
  • 28
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Balsha, Bulgaria
    Latiane Ltd, a midsize telephone answering service, is in Balsha, Bulgaria. Their services include Call Center Services and Recruitment Process Outsourcing.
    Read More
  • 29
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Sofia, Bulgaria
    Callhalla, an answering service and Customer Service Outsourcing company, was established in 2014. The small team offers Call Center Services and Customer Service Outsourcing.
    Read More
  • 30
    (28 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $25,000+
    1,000 - 9,999 employees
    Sofia, Bulgaria
    Large Sales Outsourcing company MarketStar Bulgaria, is headquartered in Sofia, Bulgaria; Ogden, Utah; Salt Lake City, Utah and Dublin, Ireland. They specialize in Sales Outsourcing, Product Marketing, and Direct Marketing and were founded in 1988.
    Read More

    Clients

    Progress Software

    Industries

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