Top 20 Inbound Call Centers in Bulgaria

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Top 20 Inbound Call Centers in Bulgaria

The Best of July 2025

Looking for a top inbound call center in Bulgaria?

Inbound call centers can make all the difference to your business.

To assist you in your search for a partner, we’ve compiled this list of the top inbound call centers in Bulgaria. 

List of the Best Bulgaria Inbound Call Center Companies

  • 1
    (6 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 midsize phone answering service. Based in Sofia, Bulgaria, the company was established in 2021. Their team provides Call Center Services, Customer Service Outsourcing, Sales Outsourcing, and Back Office Outsourcing.
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    Industries

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  • 2
    (21 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
    (3 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.7

    Would Recommend

    5.0
    Undisclosed
    250 - 999 employees
    Sofia, Bulgaria
    Pontica Solutions is a Sofia, Bulgaria-based Customer Service Outsourcing company. Established in 2015, the midsize team offers Customer Service Outsourcing, Back Office Outsourcing, IT staff augmentation, AI Consulting, and more.
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    Industries

  • 4
    (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

  • 5
    (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.

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    Industries

  • 6
    (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

  • 7
    (1 Reviews) 5.0

    Timeliness

    4.0

    Service Excellence

    5.0

    Value

    4.0

    Would Recommend

    5.0
    $1,000+
    10,000+ employees
    Sofia, Bulgaria

    TELUS International is a BPO contact center headquartered in Sofia, Bulgaria. They also have offices in Bucharest, Romania, and Old Trafford, United Kingdom. Founded in 2004, they have about 1,092 employees that serve clients in the financial, gaming, and IT industries. They specialize in voice services.

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    Clients

    Workplace Safety and Insurance Board

    Industries

  • 8
    (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

  • 9
    (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

  • 10
    (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.
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    Industries

  • 11
    (2 Reviews) 4.5

    Timeliness

    4.5

    Service Excellence

    4.5

    Value

    4.5

    Would Recommend

    4.5
    $1,000+
    250 - 999 employees
    Plovdiv, Bulgaria
    OWORKERS is a midsize Back Office Outsourcing company. They offer Back Office Outsourcing, Finance & Accounting Outsourcing (FAO), and Customer Service Outsourcing and were launched in 2012.
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    Clients

    BACK MARKET, Inc.

    Industries

  • 12
    (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.
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  • 13
    (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.
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  • 14
    (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.
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  • 15
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Sofia, Bulgaria
    ACS Bulgaria is a Customer Service Outsourcing company launched in 2022. The agency provides Customer Service Outsourcing and Staffing.
    Read More

    Industries

  • 16
    (19 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.8

    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.

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    Industries

  • 17
    (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.

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    Industries

  • 18
    (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.
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  • 19
    (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
  • 20
    (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
  • 21
    (0 Reviews)

    Not yet reviewed.

    $50,000+
    1,000 - 9,999 employees
    Sofia, Bulgaria
    MarketStar is a Sales Outsourcing company. Located in Ogden, Utah and Dublin, Ireland, the firm provides Sales Outsourcing and Customer Service Outsourcing.
    Read More
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