Top 100 Call Center Services in London

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Top 100 Call Center Services in London

The Best of March 2024

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

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 London. 

Jump to Most Reviewed Companies

List of the Best London Voice Services Providers

  • 31
    (8 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    Curral is a lead generation agency based in Stevenage, England. Founded in 2017, their team of more than two provides direct marketing, voice services, and social media marketing solutions for small and mid-market firms across various industries.

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    Clients

    • Digiruu

    Industries

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  • 32
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 1,000 - 9,999 employees
    • Buckinghamshire, United Kingdom
    8x8 is a telephone answering service. Headquartered in San Jose, California; San Jose, California; New York, New York and Buckinghamshire, United Kingdom, their large team offers voice services. The agency was founded in 1987.
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    Industries

  • 33
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • London , United Kingdom
    BPO Recruit is a call center. The small London , United Kingdom-based agency was founded in 2009. Their services include voice services.
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    Industries

  • 34
    (0 Reviews)

    Not yet reviewed.

    • $100,000+
    • 1,000 - 9,999 employees
    • London , United Kingdom
    Firstsource Solutions is a large call center company headquartered in London , United Kingdom; Louisville, Kentucky; Mumbai, India and Muntinlupa City, Philippines. The team offers voice services, non-voice bpo/back office services, finance & accounting outsourcing (FAO), and business consulting.
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    Industries

  • 35
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 50 - 249 employees
    • Covent Garden, United Kingdom
    Call center NextCall is located in Covent Garden, United Kingdom. The midsize team focuses on voice services. The agency was launched in 2015.
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    Industries

  • 36
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 50 - 249 employees
    • Borehamwood , United Kingdom
    JAM is a call center service. Their midsize team is located in Borehamwood , United Kingdom. The firm focuses on voice services. The firm was launched in 1977.
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    Industries

  • 37
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10,000+ employees
    • London, United Kingdom

    Webhelp, a call center company, is located in Rīga, Latvia. The small firm was founded in 2000. Their team offers voice services and non-voice bpo/back office services.

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    Industries

  • 38
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 1,000 - 9,999 employees
    • London, United Kingdom
    MeritGroup, an answering service company, is headquartered in London, United Kingdom. The company provides voice services, non-voice bpo/back office services, and BI & big data consulting & SI and has a large team.The company was founded in 2003.
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  • 39
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 250 - 999 employees
    • London, United Kingdom
    Phone answering service Sabio was launched in 1998. Their midsize team is in London, United Kingdom. Their services include voice services.
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  • 40
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 50 - 249 employees
    • London , United Kingdom
    TelemarketingPower.com is a call center company founded in 2001. The midsize Surry Hills, Australia-based team focuses on voice services.
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    Industries

  • 41
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 250 - 999 employees
    • London, United Kingdom

    VeriCall Ltd is an answering service and back office outsourcing company. Launched in 2017, the firm is in London, United Kingdom. The midsize team provides call center services and back office outsourcing.

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  • 42
    (0 Reviews)

    Not yet reviewed.

    • $250,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom
    Established in 1987, Abacus Global is a answering service. Based in Lahore, Pakistan; London, United Kingdom; New York, New York and Dubai, United Arab Emirates, their large team offers call center services, business consulting, sales outsourcing, IT staff augmentation, and more.
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    Industries

  • 43
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 50 - 249 employees
    • London, United Kingdom
    Answering service company Microtalk was established in 2008. The midsize team focuses on call center services. The firm is headquartered in London, United Kingdom and Kolkata, India.
    Read More

    Industries

  • 44
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • City of London, United Kingdom
    LEADSCALE ENGINE, a sales outsourcing company, was established in 2004. Their small team is based in City of London, United Kingdom. Their services include sales outsourcing and fulfillment.
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  • 45
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • Orpington, United Kingdom
    Headquartered in Orpington, United Kingdom, The Linked People is a small sales outsourcing company. Their services include sales outsourcing.
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  • 46
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom
    Maverick Velocity is a sales outsourcing company established in 2015. The company offers sales outsourcing and has a midsize team.
    Read More
  • 47
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 50 - 249 employees
    • London, United Kingdom
    Founded in 2014, smartKYC is a business consulting and sales outsourcing company. The midsize London, United Kingdom-based team provides business consulting and sales outsourcing.
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  • 48
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • Ilford, United Kingdom
    IT SkySolutions is a small telephone answering service. The Close, Nigeria-based firm was founded in 2008. Their services include call center services.
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  • 49
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 2 - 9 employees
    • Uxbridge, United Kingdom
    LHB Consulting is a small sales outsourcing company. Established in 2004, the company is in Uxbridge, United Kingdom. Their services include sales outsourcing, CRM consulting and SI, and direct marketing.
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    Industries

  • 50
    (9 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      4.9
    • $1,000+
    • 2 - 9 employees
    • London, United Kingdom

    Inboxxia is a. The small Manchester, United Kingdom-based agency was founded in 2021. Their services include.

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    Industries

  • 51
    (6 Reviews) 4.8
    • Timeliness

      4.5
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      4.8
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    The Sound Pipe Media is an app development firm founded in 2009. Based in London, the team of 6 specializes in mobile app development and UX/UI design. They mainly focus on serving the advertising and marketing, entertainment, and business services industries. 

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    Clients

    • Sunseeker
    • Celtic Football Club
    • Olly
    • Laureus Awards

    Industries

  • 52
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • Beckenham, United Kingdom
    Gregory Micallef Associates is a small telephone answering service. They focus on voice services, IT managed services, and cybersecurity and were established in 1992. The firm is in Beckenham, United Kingdom.
    Read More

    Industries

  • 53
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • London, United Kingdom
    Demand Exchange, a customer service outsourcing and sales outsourcing company, was established in 2017. The company provides customer service outsourcing and sales outsourcing and has a small team.
    Read More
  • 54
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • London, United Kingdom

    Headley Media Ltd is a content marketing and sales outsourcing company located in London, United Kingdom. They specialize in content marketing and sales outsourcing and were launched in 2010.

    Read More
  • 55
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • Epsom, United Kingdom
    Premium MSP B2B Appointment Setting services is a back office outsourcing and sales outsourcing company. Established in 2023, the small company is headquartered in Epsom, United Kingdom. Their services include back office outsourcing and sales outsourcing.
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  • 56
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • London, United Kingdom
    Geek Online is an answering service and customer service outsourcing company. Launched in 2018, the team offers call center services and customer service outsourcing. Their small firm is Sheridan, Wyoming-based.
    Read More
  • 57
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • London, United Kingdom
    SEO company and sales outsourcing company QAZI SHAHROZ was founded in 2022. The agency offers search engine optimization and sales outsourcing and has a small team. The agency is headquartered in London, United Kingdom.
    Read More
  • 58
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 2 - 9 employees
    • London, United Kingdom
    The Playbook Agency, a small back office outsourcing and sales outsourcing company, is headquartered in London, United Kingdom. Founded in 2023, the team specializes in back office outsourcing and sales outsourcing.
    Read More

    Industries

  • 59
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 1,000 - 9,999 employees
    • London , United Kingdom

    Integreon is a legal services company founded in 1998. Their headquarters is in New York, with multiple offices worldwide in Mumbai, India, Beijing, China, Johannesburg, South Africa, Makati, Philippines and London. Their team of over 1,000 employees offers non-voice BPO/back office services, voice services, and transcription. They primarily work with clients in the financial, business, and legal industries.

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    Clients

    • Microsoft
    • Cognizant Technology Solutions

    Industries

  • 60
    (0 Reviews)

    Not yet reviewed.

    • $10,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom
    Dunnhumby is a large branding agency. Established in 1989, the company is headquartered in London, United Kingdom; Edinburgh, Scotland, United Kingdom; Gurgaon, India and , . Their services include branding, voice services, digital strategy, search engine optimization, and more.
    Read More

    Industries

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