Top 100 Call Center Services in London

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Top 100 Call Center Services in London

The Best of November 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

  • 1
    (16 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

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

    The Lead Gen Dept is a digital agency based in London that specializes in helping B2B companies generate and engage sales-ready leads with your ICP. Founded in 2019, The Lead Gen Dept has a specialized team helping clients to connect and book meetings with pre-approved target accounts. They have significant experience in the enterprise space and take care of all the top-of-funnel activities leading to a prospect requesting a call.

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    Clients

    • WhosOn

    Industries

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  • 2
    (9 Reviews) 4.6
    • Timeliness

      4.8
    • Service Excellence

      4.5
    • Value

      4.3
    • Would Recommend

      4.7
    • $5,000+
    • 50 - 249 employees
    • London, England

    Sales outsourcing company SalesCaptain was launched in 2021. Their small team is located in London, United Kingdom. SalesCaptain provides sales outsourcing, direct marketing, CRM consulting and SI, call center services, and more.

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    Clients

    • WorkReduce

    Industries

  • 3
    (26 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.8
    • Value

      4.9
    • Would Recommend

      4.8
    • $1,000+
    • 2 - 9 employees
    • London, England
    Friday Solved, a business consulting company, is based in London, United Kingdom. They offer business consulting, marketing strategy, content marketing, content writing services, and more and were established in 2018.
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    Industries

  • 4
    (38 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • London, England

    Orpiv is a digital marketing agency that has been offering web development, social media marketing, and other digital marketing services to their small business, enterprise, and mid-market clients in the IT, business services, and advertising and marketing industries since 2014. Their 50 employees are based out of their offices in Baramulla, India and Denmark.

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    Industries

  • 5
    (4 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.6
    • Value

      5.0
    • Would Recommend

      4.6
    • $1,000+
    • 1,000 - 9,999 employees
    • London, England

    Quantanite is a professional services company based in London and has offices in Johannesburg and Dhaka, Bangladesh. The company, founded in 2014, has more than 1,000 employees and provides non-voice BPO/back office services, voice services, transcription, AI, and email marketing services. Quantanite serves small and larger-sized companies in various industries that include automotive, business services, and consumer products & services.

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    Clients

    • Just Park

    Industries

  • 6
    (11 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • London, England

    AMD is a business consulting company. The small London, United Kingdom-based agency was established in 2019. Their services include business consulting, email marketing, advertising, voice services, and more.

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    Clients

    • Mind Future Gaming

    Industries

  • 7
    (6 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

      5.0
    • $1,000+
    • 2 - 9 employees
    • London, England
    Callpalooza, a Sales Outsourcing company, was launched in 2020. Their small team is in London, England; Barcelona, Spain and Cairo, Egypt. Their services include Sales Outsourcing, Email Marketing, Search Engine Optimization, and Content Marketing.
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    Clients

    • All Services 4 U

    Industries

  • 8
    (26 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Fitzrovia, England

    GLO - Generate Leads Online is a freelance digital marketing agency based in Ipswich, England. Founded in 2019, the company offers SEO, web design, and PPC services to small businesses. Their SEO services focus on on-site optimization, link earning, and local search.

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    Clients

    • Fees Free Mortgages

    Industries

  • 9
    (2 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • London, England
    Lialoom, a sales outsourcing company, is located in London, United Kingdom and Warszawa, Poland. The small team provides sales outsourcing, business consulting, public relations, marketing strategy, and more. The company was established in 2023.
    Read More

    Industries

  • 10
    (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.
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    Clients

    • Hafilat Industry LLC

    Industries

  • 11
    (26 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 2 - 9 employees
    • London, England

    One Umbrella is a SaaS & tech digital marketing growth company based in London. The company, founded in 2019, has a team of less than ten that provides social media marketing and PPC services. One Umbrella serves small and larger-sized companies in the business services, education, IT, and e-commerce industries.

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    Clients

    • Dyson

    Industries

  • 12
    (4 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.6
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • Kingston Upon Thames, England

    incite is a growth marketing and lead generation agency in Kingston Upon Thames, United Kingdom. Founded in 2003, they have about 7 employees that serve mostly small businesses in the advertising, IT, and business sectors. Services include business consulting, content marketing, and digital strategy.

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    Clients

    • CPA

    Industries

  • 13
    (6 Reviews) 4.9
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      4.9
    • $1,000+
    • 2 - 9 employees
    • London, England
    Simpout is a sales outsourcing company. Established in 2022, the small company is headquartered in London, United Kingdom. Their services include sales outsourcing and email marketing.
    Read More

    Industries

  • 14
    (69 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.7
    • Value

      4.5
    • Would Recommend

      4.8
    • $1,000+
    • 10 - 49 employees
    • London, England

    Pearl Lemon is a London based digital strategy agency that was founded in 2016. Their team of 13 employees specializes in SEO, email marketing, and social media marketing. 

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    Clients

    • Asteria Diamonds

    Industries

  • 15
    (5 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

      5.0
    • $1,000+
    • 2 - 9 employees
    • London, England

    Scaled is a business consulting company. The small team is headquartered in London, United Kingdom. Their services include business consulting, corporate training, commercial financing, funding, & investment, and sales outsourcing.

    Read More

    Industries

  • 16
    (0 Reviews)

    Not yet reviewed.

    • $100,000+
    • 10 - 49 employees
    • London, England
    Sales Outsourcing company BYG Advantage is headquartered in New York, New York and Singapore, Singapore. Founded in 2010, the team provides Sales Outsourcing and Marketing Strategy.
    Read More

    Industries

  • 17
    (1 Reviews) 0.5
    • Timeliness

      0.5
    • Service Excellence

      1.0
    • Value

      3.0
    • Would Recommend

      0.5
    • $1,000+
    • 250 - 999 employees
    • London, England

    CALLCARE is a midsize call center service launched in 1998. Their services include voice services and non-voice bpo/back office services. The company is based in London, United Kingdom.

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    Industries

  • 18
    (3 Reviews) 4.5
    • Timeliness

      4.5
    • Service Excellence

      4.7
    • Value

      4.7
    • Would Recommend

      4.7
    • $1,000+
    • 10 - 49 employees
    • London, England

    Founded in 2009, Carden IT Services in a London based IT company with offices in Brighton, Essex and New York City. They have a team of 13 who provide IT managed services, IT consulting, IT strategies, and voice services to small and mid market businesses. 

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    Clients

    • Levicks Accountants

    Industries

  • 19
    (4 Reviews) 3.8
    • Timeliness

      3.0
    • Service Excellence

      3.6
    • Value

      3.3
    • Would Recommend

      3.9
    • $1,000+
    • 1,000 - 9,999 employees
    • London, England

    NICE inContact is a call center software and voice services provider based in Sandy, Utah, that was established in1997. Their team of more than 1200 employees offers voice call services, inbound lead resolution, customer support, and a customer interaction cloud software.

    Read More

    Industries

  • 20
    (1 Reviews) 4.5
    • Timeliness

      4.5
    • Service Excellence

      5.0
    • Value

      4.0
    • Would Recommend

      5.0
    • Undisclosed
    • 10 - 49 employees
    • Harlow, England
    Answering service Medical PA was launched in 2005. The small team offers call center services, customer service outsourcing, and back office outsourcing. The company is in Harlow, United Kingdom.
    Read More

    Industries

  • 21
    (1 Reviews) 4.5
    • Timeliness

      5.0
    • Service Excellence

      4.5
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 1,000 - 9,999 employees
    • London, England

    LiveHelpIndia is a back office outsourcing company founded in 2006. They are headquartered in San Jose, California and have a midsize team. Their services include back office outsourcing, customer service outsourcing, and sales outsourcing.

    Read More

    Industries

  • 22
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 250 - 999 employees
    • London, England
    Online Giants is a call center founded in 2013. The company offers Call Center Services and Customer Service Outsourcing.
    Read More
  • 23
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • London, England
    Tovie AI is an artificial intelligence company in London, England. They offer Artificial Intelligence and AI Consulting.
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    Clients

    • BNP Paribas Cardif

    Industries

  • 24
    (1 Reviews) 0.5
    • Timeliness

      0.5
    • Service Excellence

      0.5
    • Value

      0.5
    • Would Recommend

      0.5
    • $1,000+
    • 10 - 49 employees
    • London, England
    The Lead Generation Company is a small non-voice bpo/back office services and phone answering service. The Glasgow, United Kingdom-based agency was established in 2012. Their services include non-voice bpo/back office services and voice services.
    Read More
  • 25
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • London, England
    3C Online, a Customer Service Outsourcing company, was launched in 2015. The team specializes in Customer Service Outsourcing and Sales Outsourcing.
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    Clients

    • Oxehealth

    Industries

  • 26
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • Harlow, England
    Established in 2004, Zebra Connexions Ltd is an answering service. The small team specializes in Call Center Services and Back Office Outsourcing.
    Read More

    Industries

  • 27
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 50 - 249 employees
    • London, England
    Established in 1995, Intradiem is a midsize phone answering service located in Alpharetta, Georgia and London, England. Their team offers Call Center Services and Artificial Intelligence.
    Read More

    Industries

  • 28
    (1 Reviews) 4.0
    • Timeliness

      4.0
    • Service Excellence

      4.0
    • Value

      3.5
    • Would Recommend

      4.0
    • Undisclosed
    • 50 - 249 employees
    • London, England
    TIPi Group, a digital strategy company, was established in 2015. The company focuses on digital strategy, other digital marketing, voice services, pay per click, and more and has a midsize team.
    Read More
  • 29
    (10 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

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

    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

  • 30
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $5,000+
    • 50 - 249 employees
    • London, England
    Maverick Velocity is a sales outsourcing company established in 2015. The company offers sales outsourcing and has a midsize team.
    Read More

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