Top 100 Call Center Services in London

The Best of April 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. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.

Jump to Most Reviewed Companies

List of the Best London Voice Services Providers

Featured providers
- SupportYourApp
  (50 Reviews) 4.9
  - Timeliness
    4.9
  - Service Excellence
    4.9
  - Value
    4.7
  - Would Recommend
    5.0
  - $1,000+
  - 1,000 - 9,999 employees
  - Wilmington, DE
  SupportYourApp is a Support-as-a-Service company founded in 2010 and headquartered in Wilmington, US. SupportYourApp's team of over 2000 professionals provides secure technical, customer support, and CX services to growing companies around the globe.
  
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- CIENCE Technologies
  (135 Reviews) 4.4
  - Timeliness
    4.6
  - Service Excellence
    4.4
  - Value
    4.1
  - Would Recommend
    4.4
  - $1,000+
  - 1,000 - 9,999 employees
  - Denver, CO
  Cience is a PaaS (People as a Service) company based in Los Angeles. It has offices in Ukraine and Manila and was established in 2015. Their team of more than 550 employees offers voice services, conversion optimization, and CRM consulting and SI services.
  
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- XACT
  (29 Reviews) 4.7
  - Timeliness
    4.1
  - Service Excellence
    4.7
  - Value
    3.9
  - Would Recommend
    4.8
  - $1,000+
  - 250 - 999 employees
  - Orlando, FL
  XACT is a telecommunications company, founded in 1998 and located in Orlando, Fla. They have 69 employees specializing in custom-designed contact center solutions for companies in business services, finance, and consumer products and services. They offer voice services, help desk and web support, marketing, and virtual receptionist services.
  
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1

Lead Gen Dept.
(16 Reviews) 5.0
- Timeliness
  4.9
- Service Excellence
  5.0
- Value
  4.8
- Would Recommend
  5.0
- $5,000+
- 10 - 49 employees
- London, United Kingdom
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

Curral
(10 Reviews) 4.9
- Timeliness
  4.9
- 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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Featured providers
- Hit Rate Solutions
  (12 Reviews) 4.8
  - Timeliness
    4.8
  - Service Excellence
    4.8
  - Value
    4.7
  - Would Recommend
    4.8
  - $1,000+
  - 50 - 249 employees
  - Chicago, IL
  Hit Rate Solutions is a global provider of contact center services to clients worldwide. Primarily focused on industries such as consumer products, retail, and manufacturing, Hit Rate Solutions specializes in voice services and non-voice BPO/back office services. The company was established in 2008 and is headquartered in Bacolod, Philippines. Their team is made up of 39 employees.
  
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- six eleven global services
  (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
  Launched in 2006, six eleven global services and solutions is a call center service. The company specializes in call center services, sales outsourcing, back office outsourcing, customer service outsourcing, and more and has a large team. The company is in Davao City, Philippines and Davao City, Philippines.
  
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3

SalesCaptain
(5 Reviews) 4.6
- Timeliness
  5.0
- Service Excellence
  4.6
- Value
  4.5
- Would Recommend
  4.7
- $5,000+
- 50 - 249 employees
- London, United Kingdom
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
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4

Quantanite
(4 Reviews) 4.8
- Timeliness
  4.8
- Service Excellence
  4.8
- Value
  5.0
- Would Recommend
  4.6
- $1,000+
- 1,000 - 9,999 employees
- London, United Kingdom
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
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5

Abacus Cambridge Partners
(4 Reviews) 4.9
- Timeliness
  4.9
- Service Excellence
  4.9
- Value
  4.4
- Would Recommend
  5.0
- Undisclosed
- 50 - 249 employees
- London, United Kingdom
Abacus Cambridge Partners is a tech consultancy and BPO company that was founded in 2017. The core London-based team of about 50 coordinates voice, ERP consulting and system integration, IT strategy consulting services for midmarket and enterprise-sized clients in the e-commerce space.

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Clients
- Hafilat Industry LLC
Industries
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6

Growth Hub
(10 Reviews) 4.9
- Timeliness
  4.9
- Service Excellence
  4.9
- Value
  4.9
- Would Recommend
  5.0
- $1,000+
- 10 - 49 employees
- London, United Kingdom
Established in 2021, Growth Hub is an other marketing company. The agency offers other marketing and business consulting and has a small team.

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7

AMD Digital
(11 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 10 - 49 employees
- London, United Kingdom
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
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8

Friday Solved
(13 Reviews) 5.0
- Timeliness
  4.9
- Service Excellence
  5.0
- Value
  4.9
- Would Recommend
  5.0
- $1,000+
- 2 - 9 employees
- London, United Kingdom
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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9

Callpalooza
(4 Reviews) 4.9
- Timeliness
  5.0
- Service Excellence
  4.9
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 2 - 9 employees
- London, United Kingdom
Callpalooza is a sales outsourcing company based in London, United Kingdom. The small team provides sales outsourcing, social media marketing, and search engine optimization. The company was founded in 2020.

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Clients
- All Services 4 U
Industries
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10

GLO - Generate Leads Online
(25 Reviews) 4.9
- Timeliness
  4.9
- Service Excellence
  4.9
- Value
  4.8
- Would Recommend
  5.0
- $1,000+
- 10 - 49 employees
- Fitzrovia, United Kingdom
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
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11

Funel
(38 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 10 - 49 employees
- London, United Kingdom
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
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12

One Umbrella
(25 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $5,000+
- 2 - 9 employees
- London, United Kingdom
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
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13

Sourcefit
(3 Reviews) 5.0
- Timeliness
  4.8
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 1,000 - 9,999 employees
- London, United Kingdom
Human resources firm Sourcefit Philippines was launched in 2006. The firm offers HR services, non-voice bpo/back office services, and voice services and has a midsize team. The firm is located in Quezon City, Metro Manila, Philippines.

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14

incite
(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, United Kingdom
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
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15

Simpout
(6 Reviews) 4.9
- Timeliness
  5.0
- Service Excellence
  4.9
- Value
  4.9
- Would Recommend
  4.9
- $1,000+
- 2 - 9 employees
- London, United Kingdom
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.
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16

Pearl Lemon
(69 Reviews) 4.8
- Timeliness
  4.8
- Service Excellence
  4.8
- Value
  4.5
- Would Recommend
  4.8
- $1,000+
- 10 - 49 employees
- London, United Kingdom
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
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17

BYG Advantage

(0 Reviews)

Not yet reviewed.
- $100,000+
- 10 - 49 employees
- London, United Kingdom
BYG Advantage, a small sales outsourcing company, is located in , Singapore. Founded in 2010, the team focuses on sales outsourcing, marketing strategy, and engineering.
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Industries
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18

CALLCARE
(1 Reviews) 0.5
- Timeliness
  0.5
- Service Excellence
  0.5
- Value
  3.0
- Would Recommend
  0.5
- $1,000+
- 250 - 999 employees
- London, United Kingdom
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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19

Scaled
(4 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 2 - 9 employees
- London, United Kingdom
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.

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20

NICE inContact
(4 Reviews) 3.8
- Timeliness
  3.0
- Service Excellence
  3.8
- Value
  3.3
- Would Recommend
  3.9
- $1,000+
- 1,000 - 9,999 employees
- London, United Kingdom
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.

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21

Medical PA
(1 Reviews) 4.5
- Timeliness
  4.5
- Service Excellence
  4.5
- Value
  4.0
- Would Recommend
  5.0
- Undisclosed
- 10 - 49 employees
- Harlow, United Kingdom
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.
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22

LiveHelpIndia
(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, United Kingdom
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.

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23

Lialoom
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $5,000+
- 10 - 49 employees
- London, United Kingdom
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.
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24

Online Giants

(0 Reviews)

Not yet reviewed.
- $1,000+
- 250 - 999 employees
- London, United Kingdom
Located in London, United Kingdom, Online Giants is a midsize call center. They focus on voice services and were established in 2013.
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25

Carden IT Services
(3 Reviews) 4.5
- Timeliness
  4.5
- Service Excellence
  4.5
- Value
  4.7
- Would Recommend
  4.7
- $1,000+
- 10 - 49 employees
- London, United Kingdom
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
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26

W&T Solutions
(3 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 2 - 9 employees
- London, United Kingdom
W&T Solutions is a web development company established in 2021. Their small team is in London, United Kingdom and focuses on web development, mobile app development, social media marketing, e-commerce development, and more.

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27

Tovie AI

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- London, United Kingdom
Tovie AI, a artificial intelligence development company, was founded in 2018. The firm offers Artificial Intelligence and has a small team.
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Clients
- BNP Paribas Cardif
Industries
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28

The Lead Generation Company
(1 Reviews) 0.5
- Timeliness
  0.5
- Service Excellence
  0.5
- Value
  0.5
- Would Recommend
  0.5
- $1,000+
- 10 - 49 employees
- London, United Kingdom
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.
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29

3C Online

(0 Reviews)

Not yet reviewed.
- $1,000+
- 10 - 49 employees
- London, United Kingdom
3C Online is a London, United Kingdom-based customer service outsourcing company. The small firm was founded in 2015. Their services include customer service outsourcing, sales outsourcing, content marketing, and content writing services.
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Clients
- Oxehealth
Industries
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30

Zebra Connexions Ltd

(0 Reviews)

Not yet reviewed.
- $1,000+
- 10 - 49 employees
- Harlow, United Kingdom
Answering service company Zebra Connexions Ltd is headquartered in Harlow, United Kingdom. The small team focuses on call center services and back office outsourcing. The company was established in 2004.
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