Discover the top-performing call centres in the United Kingdom that provide specialized services at the highest standards to help businesses of all sizes deliver a great customer experience. Browse their rates, reviews, size and more using our custom filters.
Best United Kingdom Call Center Service Providers Rankings
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
United Kingdom × Energy & Mining × Sort by: Organic Rankings ×Clear Filters
SDR Teams, Lead Generation & Call Center Services for B2B Companies
Munzai Solutions provides B2B call center services covering cold calling, inbound call management, and customer support, with each engagement staffed by dedicated SDRs working 40 hours per week. The call center company's packages include a US-based dialer, project manager, and weekly reporting...
Top Services:
Customer Support
Business Consulting
Call Centers
Email Marketing
CRM Consulting
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Location
Manchester, United Kingdom
Number of Employees
Under 49
Average Hourly Rate
$35/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
12 Projects Listed
Munzai Solutions Services
Customer Support
Business Consulting
Call Centers
Email Marketing
CRM Consulting
Managed Services
BPO
Phone Answering Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Souqh
Maxyfi
Konch
Skriber
Data sourced from the agency's DesignRush profile
Munzai Solutions Reviews & Testimonials
Davey Warren 🍐 CEO at Pearagon
5.0★
Outbound Review from Davey Warren 🍐
Munzai Solutions has been a great partner for our outbound outreach. What stood out most was their communication. They checked in with us daily and weekly, kept us updated every step of the way, and worked closely with us to identify our target clients and the best directions to pursue. That level of consistent communication made the whole engagement feel efficient and collaborative, and it is a big reason we felt we got the best bang for our buck. We enjoyed working with them and would recommend them to other companies looking for a communicative, responsive outbound partner.
Sam Bartow Moreno Founding GTM Director at CourtNexa
5.0★
Appointment Setting Review from Sam Bartow Moreno
Munzai Solutions are amazing to work with. They got started immediately and booked multiple meetings in the first few days. I’m very happy with the results and the support they offered us. If you’d like to ask any questions about the service feel free to contact me at +1 458 600 8797I’m very satisfied. And would highly recommend them.
Brian Oltmanns CEO at GoFindBuild
5.0★
Call Centers Review from Brian Oltmanns
I am very happy with this team and their performance. They were organized, provided consistent updates, and always made suggestions to pivot if results were falling short. I would highly recommend them.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Voicentric are specialists in scientific marketing for Life and Materials Science companies. We deliver intelligent telemarketing and B2B lead generation that connects you directly with decision-makers worldwide. Our multilingual team excels at engaging scientists with complex technical information, building...
Top Services:
Direct Marketing
Call Centers
Digital Marketing
Advertising
Event Marketing
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Location
Durham, United Kingdom
Number of Employees
50 - 99
Average Hourly Rate
$47/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
5 Projects Listed
Voicentric Services
Direct Marketing
Call Centers
Digital Marketing
Advertising
Event Marketing
Market Research
Phone Answering Services
Customer Support
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
For more than 30 years, SERVICE 800 has been designing programs and providing resources to measure Customer Experience every day. The SERVICE 800 methodology delivers the accurate metrics you need to build and measure an effective customer journey map. SERVICE 800 programs reveal the actions and behaviors...
Top Services:
Call Centers
Market Research
Location
London, United Kingdom
Number of Employees
250 - 499
Service 800 Services
Call Centers
Market Research
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
We are the only Netherlands-based marketing agency that guarantees profitable marketing campaigns. If our campaigns are not profitable, you just don't pay us - easy as that. Feel free to book a call and discover the magic of Gigaleads today...
Top Services:
Social Media Marketing
Media Buying
Advertising
Email Marketing
CRO
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Location
London, United Kingdom
Number of Employees
Under 49
Minimal Budget
$1,000 - $10,000
Gigaleads Services
Social Media Marketing
Media Buying
Advertising
Email Marketing
CRO
Call Centers
Business Consulting
Video Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Ernst Adviesgroep B.V.
Alarm
Diamondflame
NL Zonnepanelen
BeGood
Bongo Solar
SMC Movement
Novulo Buildings
Flexwoning op Maat
WebActueel
Data sourced from the agency's DesignRush profile
Gigaleads Reviews & Testimonials
MSM Property Fund Marketing Review from Google
5.0★
MSM Property Fund Marketing's Review Sourced from Google
Very professional team. Despite a tricky first month, we've received qualified leads above expectations for the last 3 months running. The team are very proactive and transparent. Thanks!
Sem Verkerk Review from Google
5.0★
Sem Verkerk's Review Sourced from Google
Gigaleads truly impressed me. From the initial contact to the final results, everything was well-organized and highly professional.What stood out most: they think along with you, act fast, and stick to their promises. No empty words, just leads that actually convert. My calendar is filling up with high-quality appointments. For entrepreneurs who want real growth without the noise, this is the team to work with. Great job Gigaleads!
Kevin Raoult Review from Google
5.0★
Kevin Raoult's Review Sourced from Google
Hired Gigaleads for a one off project in the NL, to drive client acquisition in the renewable energy field. So far I'm extremely pleased. Very attentive team & we're already seeing positive ROI, thanks guys! Kevin
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
4.7
4.7
Proposals