Top 100 Telecommunication Companies Call Center Services

Need Help Selecting a Company?
Directory image

Top 100 Telecommunication Companies Call Center Services

The Best of December 2025

Looking for a top telecommunication contact center?

Review this list of best call services on the market to determine the best fit for your company. 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. 

Jump to Most Reviewed Companies

List of the Best Telecommunications Voice Services Providers on the Market

  • 31
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Cluj-Napoca, Romania

    FSPGlobal is a call center founded in 2008. They are based in Cluj-Napoca, Romania and have a midsize team. The company provides voice services.

    Read More

    Industries

  • Get connected with a company for free

    Tell us about your project, and we'll match you with vetted companies that meet your requirements.

    Get Started
  • 32
    (4 Reviews) 4.6

    Timeliness

    4.6

    Service Excellence

    4.6

    Value

    4.6

    Would Recommend

    4.8
    $5,000+
    250 - 999 employees
    Beverly, MA

    OnBrand24 is a call center services company from Beverly, Mass. with offices in Savannah, Ga., Portsmouth, N.H., and Boston. It was founded in 1980 and has grown to a team of about 225 employees. OnBrand24 offers both voice services and non-voice/BPO back office services to mid-size and large enterprise clients.

    Read More

    Clients

    Southwest Indian Foundation

    Industries

  • 33
    (11 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    4.9
    $1,000+
    2 - 9 employees
    Gdańsk, Poland
    Based in Gdańsk, Poland, Architecture of Sales is a Sales Outsourcing company. The company offers Sales Outsourcing, Call Center Services, Advertising, Market Research, and more and is small.The company was established in 2022.
    Read More

    Industries

  • 34
    (3 Reviews) 4.5

    Timeliness

    4.2

    Service Excellence

    3.8

    Value

    4.2

    Would Recommend

    4.3
    $10,000+
    250 - 999 employees
    Kuala Lumpur, Malaysia

    SRG ASIA PACIFIC is a midsize call center service. Located in Kuala Lumpur, Malaysia, the firm was launched in 1996. Their team offers voice services, market research, business consulting, HR services, and more.

    Read More

    Clients

    Telco

    Industries

  • 35
    (44 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    Countesthorpe, England
    Located in Countesthorpe, England, Paragon Sales Solutions is a social media marketing firm. The small team provides Social Media Marketing, Call Center Services, Sales Outsourcing, Other Marketing, and more and was established in 2018.
    Read More

    Clients

    App Sapiens

    Industries

  • 36
    (6 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Kyiv, Ukraine

    Intellink is a Data management company in Ukraine. Founded in 2020, they have over 50 employees with clients in hospitality, education, transportation, medicine, and consumer products. Their services include Data annotation and Data collection. 

    Read More

    Clients

    EcoSoft

    Industries

  • 37
    (10 Reviews) 4.8

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    5.0
    $1,000+
    1,000 - 9,999 employees
    Davao City, Philippines
    Large phone answering service six eleven global services, is based in Davao City, Philippines and Davao City, Philippines. They focus on Call Center Services, Back Office Outsourcing, and Customer Service Outsourcing and were founded in 2006.
    Read More

    Industries

  • 38
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Karachi, Pakistan
    Munzai Solutions, a Sales Outsourcing company, was launched in 2022. The agency provides Sales Outsourcing, Call Center Services, CRM consulting and SI, and Customer Service Outsourcing and has a small team.
    Read More

    Industries

  • 39
    (2 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.3

    Would Recommend

    5.0
    Undisclosed
    50 - 249 employees
    Bogart, GA
    Sales Outsourcing company TeleNet Marketing Solutions was founded in 1999. The midsize team provides Sales Outsourcing, Demand Generation Marketing, and Marketing Strategy. The firm is located in Bogart, Georgia.
    Read More

    Industries

  • 40
    (5 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.9

    Would Recommend

    5.0
    $25,000+
    250 - 999 employees
    UnboundB2B is a Content Marketing company. Their midsize team is in San Francisco, California and Wilmington, Delaware. The firm provides Content Marketing, Media Planning & Buying, Sales Outsourcing, Demand Generation Marketing, and more. The firm was founded in 2016.
    Read More

    Industries

  • 41
    (1 Reviews) 5.0

    Timeliness

    4.5

    Service Excellence

    5.0

    Value

    4.0

    Would Recommend

    5.0
    $1,000+
    1,000 - 9,999 employees
    Kantipur Management Private Limited, a marketing strategy company, was launched in 2014. Their large team is headquartered in Kathmandu, Nepal; Lalitpur, Nepal and Lalitpur, Nepal and specializes in marketing strategy, corporate training, customer service outsourcing, and hr consulting.
    Read More

    Industries

  • 42
    (6 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.7

    Value

    5.0

    Would Recommend

    4.7
    $1,000+
    50 - 249 employees
    Zagreb, Croatia
    Significo is a CRM consulting and SI company. They offer CRM consulting and SI, Call Center Services, Back Office Outsourcing, and Customer Service Outsourcing and were launched in 2007. Their midsize team is Zagreb, Croatia-based.
    Read More

    Clients

    McDonald's Croatia Porsche Inter Auto d.o.o PORSCHE CROATIA d.o.o. INA d.d.

    Industries

  • 43
    (6 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $25,000+
    250 - 999 employees
    Kuala Lumpur, Malaysia

    Canaan Communication & Technologies Sdn Bhd is a BPO firm in Kula Lumpur, Malaysia. They have a team of around 15 employees and were founded in 2016. They provide non-voice BPO & back-office services, voice services, and corporate training for small businesses. 

    Read More

    Clients

    Socar

    Industries

  • 44
    (4 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.6

    Value

    4.4

    Would Recommend

    5.0
    Undisclosed
    50 - 249 employees
    London, England
    Abacus Cambridge Partners, an ERP consulting and SI company, is based in London, England; Dubai, United Arab Emirates; Riyadh, Saudi Arabia and New York, New York. They focus on ERP consulting and SI, BI & big data consulting & SI, Custom Software Development, Call Center Services, and more and were founded in 2017.
    Read More

    Clients

    Hafilat Industry LLC

    Industries

  • 45
    (9 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.9

    Would Recommend

    4.8
    $1,000+
    250 - 999 employees
    New Delhi, India

    Founded in 2011, Call2Customers is an outsourced call center in New Delhi, India with roughly 250 employees who provide voice and BPO services. They focus on B2B lead generation and B2C telemarketing for clients.

    Read More

    Clients

    BETA IT

    Industries

  • 46
    (5 Reviews) 4.8

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Durban, South Africa

    Ec3 South Africa is a specialist outsourced contact center company based in Durban, South Africa. The company, founded in 2013, has more than 50 employees and provides voice services and non-voice BPO/back office services. Ec3 serves enterprise and mid-market companies in various industries that include telecommunications, automotive, and financial services. 

    Read More

    Clients

    Mix Telematics

    Industries

  • 47
    (3 Reviews) 4.0

    Timeliness

    4.2

    Service Excellence

    3.7

    Value

    3.7

    Would Recommend

    4.0
    Undisclosed
    1,000 - 9,999 employees
    Shah Alam, Malaysia

    Daythree Business Services is a business service provider in Petaling Jaya, Malaysia. They provide voice services, back office services, and business consulting. They work primarily with midmarket and enterprise companies in transportation, telecommunication, and energy industries. Founded in 2008, they have about 150 employees.

    Read More

    Industries

  • 48
    (8 Reviews) 4.6

    Timeliness

    4.6

    Service Excellence

    4.7

    Value

    4.7

    Would Recommend

    4.7
    $50,000+
    1,000 - 9,999 employees
    Montréal, Canada
    FlairsTech is a large IT managed services company. Founded in 2018, the team provides IT managed services, Custom Software Development, Application Management & Support, Call Center Services, and more. The company is in Montréal, Canada; Cairo, Egypt; Alexandria, Egypt and Warszawa, Poland.
    Read More

    Industries

  • 49
    (22 Reviews) 4.8

    Timeliness

    4.9

    Service Excellence

    4.7

    Value

    4.6

    Would Recommend

    4.9
    $10,000+
    10 - 49 employees
    Mascot, Australia
    Sales Outsourcing company Illicium is headquartered in Mascot, Australia. The agency specializes in Sales Outsourcing, Corporate Training & Coaching, HR Outsourcing, and Marketing Strategy and is small.The agency was launched in 2018.
    Read More

    Industries

  • 50
    (5 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    50 - 249 employees
    Ahmedabad, India

    Vindaloo VoIP Solutions Pvt. Ltd., a software development company, is headquartered in Brooklyn, New York. The small team provides custom software development, voice services, mobile app development, and web development. The firm was launched in 2016.

    Read More

    Industries

  • 51
    (3 Reviews) 4.3

    Timeliness

    4.7

    Service Excellence

    4.3

    Value

    4.3

    Would Recommend

    4.7
    $1,000+
    250 - 999 employees
    Calgary, Canada

    Headquartered in Calgary, Canada, Line One Contact Centres Inc is a telephone answering service. The midsize team focuses on voice services, non-voice bpo/back office services, and business consulting. The firm was launched in 2001.

    Read More

    Industries

  • 52
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Columbus, OH

    Caret, a small market research company, is based in Columbus, Ohio; Phillipsburg, New Jersey and Kansas City, Missouri. Established in 2021, the team specializes in market research, sales outsourcing, marketing strategy, direct marketing, and more.

    Read More

    Industries

  • 53
    (9 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Stari Bohorodchany, Ukraine

    GotYourBack Support is a back-office service company founded inV in 2019. With over 50 professionals, they offer voice and back-office services to clients ranging from startups to enterprises in the fields of IT, business services, and telecommunications.

    Read More

    Clients

    Byte Technologies

    Industries

  • 54
    (11 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    New York, NY

    FlyTech, Inc. Is a conversion optimization company headquartered in New York, New York. The small company was launched in 2020. Their team offers conversion optimization, direct marketing, and email marketing.

    Read More

    Clients

    Baselane

    Industries

  • 55
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    50 - 249 employees
    Kingston, Jamaica
    VLBPO LLC, a phone answering service, was established in 2015. The company focuses on call center services, recruiting, hr outsourcing, and hr consulting and has a midsize team.
    Read More

    Clients

    eCommerce, Law Firms, Fintech, Saas, Health

    Industries

  • 56
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    250 - 999 employees
    Chicago, IL
    Headquartered in Chicago, Illinois and Dubai, United Arab Emirates, LiveAdmins is an artificial intelligence development company. The midsize team offers Artificial Intelligence, Call Center Services, Customer Service Outsourcing, AI Consulting, and more and was established in 2002.
    Read More

    Industries

  • 57
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Scottsdale, AZ

    Founded in 2022, Core Conversions is a small email marketing company. Their services include email marketing, other digital marketing, direct marketing, marketing strategy, and more. The company is in Scottsdale, Arizona.

    Read More

    Clients

    eAccountable, Coast Digital, Giant Propeller, Scube Marketing, Fuel Made, JRB Media, LTM Digital, Marketing by Data, AskMom, MoreInfluence

    Industries

  • 58
    (13 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    North Miami Beach, FL

    CloudTask is a phone answering service established in 2014. Headquartered in North Miami Beach, Florida and Medellín, Colombia, their midsize team specializes in voice services, non-voice bpo/back office services, finance & accounting outsourcing (FAO), transcription, and more.

    Read More

    Industries

  • 59
    (2 Reviews) 4.3

    Timeliness

    4.5

    Service Excellence

    4.5

    Value

    4.0

    Would Recommend

    4.3
    $10,000+
    250 - 999 employees
    North Charleston, SC
    Launched in 1998, Sales Focus Inc. Is a Sales Outsourcing company. Their midsize team is in North Charleston, South Carolina. Their services include Sales Outsourcing, Call Center Services, Account-Based Marketing, and Recruiting.
    Read More

    Industries

  • 60
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    1,000 - 9,999 employees
    Fort Lauderdale, FL

    Non-voice bpo/back office services company OutPLEX was launched in 2001. Their small team is in Santo Domingo, Dominican Republic. OutPLEX specializes in non-voice bpo/back office services.

    Read More

    Industries

  • tracking image

Get connected with the right company for you

We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.

Schedule Consultation