Top Call Center Services & Voice Services in the United Kingdom
From London’s global finance hub to fast-growing digital corridors in Manchester, Leeds, Edinburgh, Cardiff, and Belfast, the U.K. is a hotspot for high-quality call center and voice support. The right partner can deliver inbound call handling services, business phone answering services, U.K. virtual receptionist services, and omnichannel customer support that aligns with U.K. GDPR and sector-specific standards.
Clutch helps you evaluate trusted providers with verified client reviews, service focus, and detailed case studies. Use filters for budget, languages, industries, and location to quickly narrow your shortlist and compare proposals with confidence. Explore national leaders or zero in on local specialists by region and sector using the links below:
• Top Call Center Companies & Agencies
• Call Center Companies & Agencies in London
• Call Center Companies & Agencies in Birmingham
• Call Center Companies & Agencies in Manchester
• U.K. Call Center Services & Voice Services for Business Services
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Featured
What are Featured Providers?
$1,000+$50 - $99 / hr10 - 49Serves United KingdomServices provided
See all 20 projectsVirtual Sales Limited is a telemarketing and outbound call center service provider specializing in customer growth and lead generation. Their reviews highlight their consistent delivery and impressive industry knowledge, with 100% of reviewers praising their project management and communication skills. Clients report high satisfaction with the quality of meetings booked and the seamless integration into their sales processes.
$1,000+< $25 / hr250 - 999Serves United KingdomServices provided
See all 26 projectsSimply Contact is a distinguished provider of Contact Center Services and Customer Support Services, recognized for managing inbound and outbound customer interactions across multiple languages and channels. Reviews highlight their expertise in delivering exceptional service, with 100% of clients noting impressive project management and communication. Approximately 90% of reviews emphasize their ability to enhance customer satisfaction and streamline support systems, underscoring their reliability and adaptability.
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$1,000+$25 - $49 / hr10 - 49Banbury, England
Services provided
See all 5 projectsOneresource Virtual Assistants Ltd provides virtual assistant services, specializing in administrative support, financial accounting, and market research. Their efficiency and professional approach are consistently praised, with 100% of reviewers noting positive outcomes, such as enhanced productivity and effective task management. Clients appreciate their swift, detailed work and the personal touch they bring to services.
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$1,000+Undisclosed2 - 9Henley-on-Thames, England
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See all 5 projectsF9 Marketing is a lead generation and marketing strategy company, praised for its expertise and dedication. Across all reviews, 100% of clients highlight their exceptional support and clear communication, with Giorgio's insights significantly improving business outcomes. Clients recommend F9 Marketing for its professionalism and impactful marketing solutions, though some suggest providing summaries of meetings for enhanced information retention.
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$5,000+Undisclosed2 - 9Brighton and Hove, England
Services provided
See all 2 projectsAdvanced Client is a marketing agency specializing in outbound email campaigns and lead generation. Clients consistently praise their innovative approaches and responsiveness, with both reviews noting significant revenue increases of $15,000 and $16,000 per month, respectively. The company boasts a 95% show-up rate for booked calls, and feedback reflects 100% satisfaction with no areas for improvement mentioned.
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$1,000+$100 - $149 / hr2 - 9Birmingham, England
Services provided
See all 2 projectsNotepad Studio is a branding agency specializing in developing brand identities, guidelines, and positioning strategies. Client feedback is overwhelmingly positive, with 100% satisfaction reported. Reviewers commend their strategic approach, excellent project management, and ability to understand and distill clients' needs quickly, making significant improvements to brand clarity and coherence.
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UndisclosedUndisclosed50 - 249Birmingham, England
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See all 1 projectsLuminaVest is a company specializing in Contact Center Services with a focus on comprehensive support for real estate businesses, including lead generation, cold calling, and deal management. They received overwhelmingly positive feedback, with nearly 100% of reviewers praising their professionalism, organization, and ability to deliver results. Clients particularly appreciated their effective team management and tech setup capabilities.
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$5,000+$100 - $149 / hr2 - 9London, England
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See all 4 projectsMarketing Pot is a versatile marketing agency specializing in marketing audits and content creation, offering services like SEO, LinkedIn outreach, and content for websites. The agency is praised for exceeding expectations, with approximately 90% of reviews highlighting their effective project management and cost-effective strategies. Some reviewers suggest earlier interim results and industry-specific insights could enhance their already impressive service.
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$25,000+$100 - $149 / hr10 - 49Portsmouth, England
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See all 4 projectshabitable.co is a specialized agency focusing on AI-driven solutions for enhancing sales funnels, optimizing customer interactions, and digital transformation through advanced data analytics and automation. Reviews indicate strong project management and impressive results, with 100% of clients noting increased conversion rates and improved data management. Clients appreciate their adaptability and expertise, though some suggest more frequent training sessions could enhance user adoption.
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$100,000+$100 - $149 / hr10 - 49London, England
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BYG Advantage is a Sales Outsourcing company located in New York, New York and Singapore, Singapore. The team offers Sales Outsourcing and Marketing Strategy.
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$1,000+$100 - $149 / hr2 - 9Swindon, England
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See all 1 projectsMajor Visibility is a digital marketing agency specializing in website creation, maintenance, and social media advertising. They consistently deliver high-quality results and maintain excellent communication, with 100% of reviewers highlighting their professionalism and timely project management. Clients appreciate their ability to transform initial inquiries into successful projects efficiently.
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$50,000+$50 - $99 / hr10 - 49Birmingham, England
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See all 10 projectsUpWhale is a lead generation and digital marketing agency known for enhancing client outreach and engagement strategies, particularly on LinkedIn. While one client reported a negative experience, with unmet KPIs and poor communication, others praised UpWhale for their strategic foresight, effective project management, and substantial improvements in lead generation and conversion rates, with some clients noting up to a 70% increase in qualified leads.
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$1,000+< $25 / hr1,000 - 9,999London, England
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See all 1 projectsLiveHelpIndia provides 24/7 live chat customer support, including voice and text-based virtual assistants, and human agents. Their services have significantly improved customer satisfaction scores to 90% and helped reduce operational costs. The feedback highlights their professional communication, timely delivery, and alignment with clients' values and budget, suggesting a strong cultural fit.
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UndisclosedUndisclosed50 - 249London, England
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See all 1 projectsTIPi Group is a digital agency specializing in web design and development, with a focus on creating and maintaining WordPress websites. While 100% of the reviewers highlight their impressive web design skills and attention to detail, about 50% of feedback indicates a need for improvement in transparency and communication during project management.
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UndisclosedUndisclosed10 - 49Chester, England
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Call center company Daktela UK is located in Chester, England and Winnersh, England. Founded in 2005, the team specializes in Call Center Services.
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$10,000+$50 - $99 / hr50 - 249Brighton, England
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Answering service company The Telemarketing Company is based in Brighton, England. The team focuses on Call Center Services and Sales Outsourcing.
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$1,000+< $25 / hr10 - 49North Walsham, England
Services provided
Origin Client Acquisition LTD is a call center company based in North Walsham, England. The team specializes in Call Center Services and Sales Outsourcing.
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$5,000+Undisclosed10,000+London Office, England
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EClerx is a large custom software development firm founded in 2000. Their team offers Custom Software Development and Back Office Outsourcing.
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$250,000+< $25 / hr1,000 - 9,999London, England
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See all 1 projectsAbacus Outsourcing is a leading global business process outsourcing services provider empowering businesses and enabling growth worldwide. Harnessing our extensive global reach and local presence,
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$1,000+< $25 / hr250 - 999London, England
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Online Giants is a call center founded in 2013. The company offers Call Center Services and Customer Service Outsourcing.
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Undisclosed$50 - $99 / hr10 - 49Horsham, England
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Founded in 2017, Hero PA is an answering service company. The team focuses on Call Center Services and Customer Service Outsourcing.
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$1,000+$25 - $49 / hr2 - 9Uxbridge, England
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LHB Consulting, a small Sales Outsourcing company, is located in Uxbridge, England. Their services include Sales Outsourcing and Direct Marketing.
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UndisclosedUndisclosed50 - 249Bristol, England
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Intradiem is a Marietta, Georgia-based call center company. They offer Call Center Services and Web Development and were founded in 1995.
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UndisclosedUndisclosed10,000+London, England
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Webhelp, a Customer Service Outsourcing company, was established in 2000. The large team provides Customer Service Outsourcing and Call Center Services.
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UndisclosedUndisclosed50 - 249Swindon, England
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Woven Solutions Ltd is a phone answering service. They are located in Swindon, England and have midsize team. Their services include Call Center Services.
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UndisclosedUndisclosed2 - 9Kingston upon Hull, England
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The Call Answering Company is an answering service. The team focuses on Call Center Services, and the company is based in Kingston upon Hull, England.
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$10,000+$25 - $49 / hr1,000 - 9,999Bridgnorth, England
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Unity4 is a call center. The Surry Hills, Australia-based team specializes in Call Center Services and Customer Service Outsourcing.
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$1,000+< $25 / hr10 - 49Roslin, Scotland
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Connect Communications Services Ltd is a call center. They are headquartered in Roslin, Scotland and have small team. Their services include Call Center Services and Customer Service Outsourcing.
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$1,000+< $25 / hr1,000 - 9,999Buckinghamshire, England
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Call center company 8x8 was founded in 1987. The team offers Call Center Services.
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$100,000+< $25 / hr1,000 - 9,999London , England
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Firstsource Solutions is a large London , England-based phone answering service. Their services include Call Center Services and Customer Service Outsourcing.
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$5,000+Undisclosed1,000 - 9,999Patchway, England
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Harte Hanks is a call center. They were established in 1923 and provide Call Center Services and Fulfillment.
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UndisclosedUndisclosed50 - 249Lowestoft , England
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Established in 2016, Pocket Receptionist is a midsize Lowestoft , England-based call center. Their services include Call Center Services and Customer Service Outsourcing.
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$10,000+< $25 / hr1,000 - 9,999Glasgow , Scotland
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Large Customer Service Outsourcing company Bill Gosling Outsourcing, is in Newmarket, Canada and Glasgow , Scotland. The team offers Customer Service Outsourcing and Call Center Services.
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$10,000+Undisclosed250 - 999London, England
Services provided
MarketOne International is an Email Marketing company founded in 1998. Their services include Email Marketing and Call Center Services.
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$10,000+< $25 / hr10,000+Sheffield, England
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Ubiquity is a Customer Service Outsourcing company. The team offers Customer Service Outsourcing and Call Center Services, and the firm is based in New York, New York and McAllen, Texas.
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$1,000+$25 - $49 / hr10 - 49Harlow, England
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Established in 2004, Zebra Connexions Ltd is an answering service. The small team specializes in Call Center Services and Back Office Outsourcing.
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$1,000+< $25 / hr10 - 49Fareham, England
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Small Sales Outsourcing company Inspired B2B Marketing, is located in Fareham, England. The team focuses on Sales Outsourcing and Back Office Outsourcing.
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$1,000+$50 - $99 / hr50 - 249Crewe , England
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Launched in 2010, Cymphony is a midsize call center company. Their team offers Call Center Services.
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$5,000+< $25 / hr50 - 249Port glasgow, Scotland
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RMACC Group, an answering service, is headquartered in Port glasgow, Scotland. Established in 2019, the team offers Call Center Services and Sales Outsourcing.
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$1,000+< $25 / hr50 - 249Stockton-on-Tees , England
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Lemon Contact Centre, a telephone answering service, is located in Stockton-on-Tees , England. Their services include Call Center Services and Customer Service Outsourcing.
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$1,000+< $25 / hr50 - 249Wokingham , England
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The Answer Centre is an answering service. The Wokingham , England-based team specializes in Call Center Services and Customer Service Outsourcing.
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$5,000+Undisclosed10 - 49Newcastle, Northern Ireland
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Durhamlane is a Sales Outsourcing company. They are headquartered in Newcastle, Northern Ireland. Their team specializes in Sales Outsourcing and Marketing Strategy.
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UndisclosedUndisclosed50 - 249London, England
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Business Consulting and Sales Outsourcing company smartKYC was founded in 2014. The midsize team provides Business Consulting and Sales Outsourcing.
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$1,000+< $25 / hr10 - 49Portchester, England
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Answering service Ultracomms was founded in 2004. The firm provides Call Center Services, and is small.
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$10,000+$50 - $99 / hr50 - 249Birmingham, England
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Based in Birmingham, England, GCL B2B Ltd is a midsize Sales Outsourcing company. The team focuses on Sales Outsourcing and Marketing Strategy.
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$1,000+$25 - $49 / hr2 - 9Nottingham, England
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Telephone answering service Flamingo Digital is in Nottingham, England. Founded in 2018, the team offers Call Center Services and Social Media Marketing.
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$1,000+< $25 / hr10 - 49Bristol, England
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Virtually There is a call center service. The team is headquartered in Bristol, England, and their services include Call Center Services and Customer Service Outsourcing.
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$1,000+$200 - $300 / hr2 - 9Broadstairs, England
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DeVine Voices International Voiceover Agency is an answering service company. They are headquartered in Broadstairs, England and have small team. They specialize in Call Center Services.
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UndisclosedUndisclosed10 - 49Runcorn, England
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Your Office & PA, a phone answering service, was launched in 2007. The team offers Call Center Services.
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$5,000+Undisclosed10 - 49London, England
Services provided
ProspectAware, a Sales Outsourcing company, is headquartered in London, England. They focus on Sales Outsourcing and were founded in 2009.
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UndisclosedUndisclosed50 - 249Romsey , England
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Impact Call Centre is a Customer Service Outsourcing and Sales Outsourcing company. They are located in Romsey , England. Their team offers Customer Service Outsourcing and Sales Outsourcing.
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$1,000+< $25 / hr50 - 249Monks Risborough, England
Services provided
CATI call center is an answering service company. Launched in 2011, the team offers Call Center Services and Event Marketing. The company is in Kyiv, Ukraine and Monks Risborough, England.
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List of the Top 15 United Kingdom Call Center Companies & Voice Services
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$1,000+< $25 / hr50 - 249London, England
Ability to deliver
38.9/40.020/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
10% Call Center Services80% Sales Outsourcing10% Other -
$1,000+< $25 / hr50 - 249London, England
Ability to deliver
38/40.020/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
10% Call Center Services60% Sales Outsourcing30% Other -
$1,000+$50 - $99 / hr10 - 49Horsham , England
Ability to deliver
37.3/40.018/20 Reviews10/10 Clients & Experience9.4/10 Market PresenceService focus
50% Call Center Services50% Sales Outsourcing -
$1,000+< $25 / hr250 - 999London, England
Ability to deliver
36/40.016.4/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
35% Call Center Services65% Other -
$1,000+< $25 / hr10 - 49Thatcham , England
Ability to deliver
32.5/40.015.6/20 Reviews8.5/10 Clients & Experience8.4/10 Market PresenceService focus
68% Call Center Services12% Sales Outsourcing20% Other -
$5,000+Undisclosed250 - 999Fleet, England
Ability to deliver
31.9/40.015/20 Reviews8.4/10 Clients & Experience8.4/10 Market PresenceService focus
15% Call Center Services25% Sales Outsourcing60% Other -
$5,000+$50 - $99 / hr50 - 249Hitchin, England
Ability to deliver
31.9/40.016.4/20 Reviews9.5/10 Clients & Experience6/10 Market PresenceService focus
100% Sales Outsourcing -
UndisclosedUndisclosed1,000 - 9,999Edinburgh, Scotland
Ability to deliver
31.2/40.014.6/20 Reviews8.3/10 Clients & Experience8.4/10 Market PresenceService focus
70% Call Center Services30% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
30.3/40.015.6/20 Reviews7.6/10 Clients & Experience7.1/10 Market PresenceService focus
20% Call Center Services20% Sales Outsourcing60% Other -
$1,000+$25 - $49 / hr10 - 49Countesthorpe, England
Ability to deliver
31.6/40.018.4/20 Reviews6.4/10 Clients & Experience6.8/10 Market PresenceService focus
25% Call Center Services25% Sales Outsourcing50% Other -
$25,000+$300+ / hr50 - 249Reigate, England
Ability to deliver
33.5/40.014.8/20 Reviews9.2/10 Clients & Experience9.5/10 Market PresenceService focus
30% Call Center Services70% Other -
$1,000+$300+ / hr2 - 9London, England
Ability to deliver
33.7/40.018/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
30% Sales Outsourcing70% Other -
$1,000+$50 - $99 / hr10 - 49Ipswich, England
Ability to deliver
35.3/40.016/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
15% Sales Outsourcing85% Other -
$1,000+Undisclosed250 - 999London, England
Ability to deliver
34.8/40.020/20 Reviews8.6/10 Clients & Experience6.2/10 Market PresenceService focus
10% Call Center Services90% Other -
UndisclosedUndisclosed50 - 249London, England
Ability to deliver
32/40.015.8/20 Reviews8.2/10 Clients & Experience8/10 Market PresenceService focus
10% Call Center Services10% Sales Outsourcing80% Other -
$5,000+Undisclosed2 - 9London, England
Ability to deliver
25.9/40.016.8/20 Reviews2.9/10 Clients & Experience6.2/10 Market PresenceService focus
100% Sales Outsourcing -
$1,000+< $25 / hr2 - 9London, England
Ability to deliver
25.9/40.015.8/20 Reviews6.1/10 Clients & Experience4/10 Market PresenceService focus
65% Sales Outsourcing35% Other -
$10,000+$100 - $149 / hr10 - 49London, England
Ability to deliver
33.1/40.015.6/20 Reviews8.3/10 Clients & Experience9.2/10 Market PresenceService focus
10% Sales Outsourcing90% Other -
$1,000+$100 - $149 / hr10 - 49London, England
Ability to deliver
28/40.016.8/20 Reviews6.3/10 Clients & Experience4.9/10 Market PresenceService focus
40% Sales Outsourcing60% Other -
$5,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
24.5/40.016.4/20 Reviews0/10 Clients & Experience8.1/10 Market PresenceService focus
100% Sales Outsourcing -
UndisclosedUndisclosed1,000 - 9,999Edinburgh, Scotland
Ability to deliver
24.5/40.015/20 Reviews1/10 Clients & Experience8.4/10 Market PresenceService focus
70% Call Center Services30% Sales Outsourcing -
$1,000+< $25 / hr50 - 249London, England
Ability to deliver
28.2/40.017.6/20 Reviews2.2/10 Clients & Experience8.3/10 Market PresenceService focus
10% Call Center Services20% Sales Outsourcing70% Other -
$5,000+$100 - $149 / hr10 - 49Haywards Heath, England
Ability to deliver
32.5/40.016.4/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
10% Sales Outsourcing90% Other -
$5,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
27.1/40.016.6/20 Reviews6.5/10 Clients & Experience4/10 Market PresenceService focus
40% Sales Outsourcing60% Other -
$1,000+< $25 / hr250 - 999Edinburgh , Scotland
Ability to deliver
24.1/40.016.2/20 Reviews7.9/10 Clients & Experience0/10 Market PresenceService focus
30% Call Center Services70% Other -
$1,000+Undisclosed250 - 999Brighton and Hove, England
Ability to deliver
23.1/40.017.4/20 Reviews0/10 Clients & Experience5.7/10 Market PresenceService focus
90% Sales Outsourcing10% Other -
UndisclosedUndisclosed2 - 9London, England
Ability to deliver
22.9/40.017.2/20 Reviews0.7/10 Clients & Experience5/10 Market PresenceService focus
100% Sales Outsourcing -
UndisclosedUndisclosed1,000 - 9,999Birkenhead , England
Ability to deliver
24.7/40.016.2/20 Reviews2.7/10 Clients & Experience5.8/10 Market PresenceService focus
10% Call Center Services10% Sales Outsourcing80% Other -
$5,000+$100 - $149 / hr10 - 49Kingston Upon Thames, England
Ability to deliver
27.6/40.015.8/20 Reviews6.7/10 Clients & Experience5.2/10 Market PresenceService focus
30% Sales Outsourcing70% Other -
$25,000+Undisclosed10 - 49Brighton and Hove, England
Ability to deliver
22.5/40.016.4/20 Reviews0/10 Clients & Experience6.2/10 Market PresenceService focus
100% Sales Outsourcing
Latest Call Centers Articles
See all articles![How to Build a Budget for Call Center Services [With Template] cover image](https://img.shgstatic.com/clutch-static-prod/image/resize/715x400/s3fs-public/article/ba3fb126c373d45b88403b0272fa9201.jpg)
How to Build a Budget for Call Center Services [With Template]
Call center costs can add up over time, so it’s important that companies establish a thorough budget plan before outsourcing.
U.K. Call Center Services & Voice Services FAQs
U.K. providers combine mature service operations with deep familiarity with local regulations and customer expectations. Teams understand U.K. accents, regional nuances, and accessibility needs, which can lift CSAT and first-contact resolution.
Moreover, many operate 24/7 with multilingual coverage for EMEA and North America, making them ideal for brands needing round‑the‑clock customer support solutions in the U.K. Critically, leading firms design workflows aligned with U.K. GDPR, Ofcom guidance, and sector rules (e.g., FCA in financial services), helping reduce compliance risk while improving service quality.
Pricing varies by channel mix, complexity, and hours:
- Per agent hour (inbound/general support): £18–£40
- Specialized programs (technical support, healthcare, regulated sectors): £30–£60 per hour
- Per minute (pay‑as‑you‑go answering): £0.50–£1.20
- U.K. virtual receptionist services: £25–£150 per month base, plus usage
- Dedicated FTE seats (fully loaded): £1,800–£3,500 per month
Ask for pricing transparency on setup fees, QA/coaching, technology, and after‑hours surcharges. For outsourced call center U.K. programs, pilot projects can validate volumes and true cost per resolution before scaling.
Providers in the United Kingdom commonly support a broad spectrum of markets and niches, catering to the vast and diverse business landscape of the region. You’ll often find dedicated companies specializing in:
- Financial services and fintech (London and Edinburgh) with FCA‑aware processes
- Retail and e‑commerce (Manchester, Birmingham, Leeds) for peak season overflow
- Health care and health tech with patient‑safe handling and data privacy
- Travel, hospitality, and transportation with seasonal multilingual support
- SaaS and technology with tiered technical support and onboarding
- Public sector and nonprofits with accessible, inclusive communications
Look for sector case studies and compliance evidence matching your environment.
Define your project’s scope and requirements to help guide your search criteria. Then, look for trusted agencies on Clutch and narrow your options by assessing the following:
- Compliance and security — U.K. GDPR, ISO 27001, PCI DSS (if taking payments), Cyber Essentials.
- Operations — QA frameworks, agent training, coaching cadence, and speech analytics.
- Test integrations — CRM/help desk, IVR/telephony, WFM reporting.
- Culture fit — listen to sample calls; ensure brand voice matches expectations.
- References — confirm outcomes for similar U.K. inbound call handling services or business phone answering services.
- Vague reporting or no real‑time dashboards for SLAs and QA scores
- One‑size‑fits‑all scripts with limited ability to customize customer journeys
- No documented data protection controls or refusal to share DPA/processing details
- High agent turnover without a training and retention plan
- Overpromising on staffing ramp times or multilingual coverage
- Limited disaster recovery or single‑site dependency for 24/7 coverage
- Hidden fees for after‑hours or simple changes to IVR/knowledge base
Call centers play a vital role in representing your business and nurturing customer relationships. The wrong partner can hurt your reputation and expose your organization to risks. Make sure you spot and avoid these red flags early.