Top Outbound Call Centers Companies in UK

Businesses looking to improve customer engagement through outbound calling can rely on experienced Outbound Call Center Services Firms in UK. Our selected Outbound Call Center Services Providers in UK help companies manage sales calls, surveys, and follow-ups to enhance outreach efforts.
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List of the Best Outbound Call Centers Agencies and Outbound Call Centers Professionals in UK

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

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Acefone
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Claimed by Official Representatives

38

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

38

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 100% Business Services

  • 100% IT Services

Simplifying Communication

Acefone has been serving the international communications space, catering to startups, SMBs and enterprises. Over the years, we have aided over 5,000+ global businesses improve their communication systems. Our cloud communication suite Ace-X comprises VoIP phone services, contact center solutions, APIs, video conferencing, WhatsApp messaging and much more. With it, you can; Transfer calls to another party using call transferring, call forwarding, etc. Conduct virtual meetings, collaborative discussions, or group conversations easily and efficiently with Call Conference. Keep a record of all your incoming and outgoing calls with Call Detail Records (CDR). Gain seamless access to both your mobile contacts and portal contacts with our Contacts feature. Establish instant communication with specific contacts with Click-to-call. With 55+ features and industry leading CRM integrations, the Ace-X suite helps you boost your business communication while improving customer experience, retention and lead generation.

View Acefone Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$0+

Min. Budget Size
Inside Service Listing

500 - 1,000

Team size
Inside Service Listing

Saint Albans, UK

Location
durhamlane
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agency_climbed
Claimed by Official Representatives

20

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

20

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 80% Business Services

  • 20% Digital Marketing

More Than SDR Outsourcing

durhamlane is a B2B sales development and SDR outsourcing partner that helps ambitious businesses accelerate pipeline growth, improve lead conversion, and generate measurable revenue. Since 2011, the company has delivered outsourced Sales Development Representative (SDR) teams, account-based outreach, and sales enablement services across the UK, Europe, and North America. Trusted by leading global brands across medtech, insurtech, manufacturing, financial services, healthcare, and professional services, durhamlane is recognised for its collaborative approach, performance-driven commercial models, and commitment to acting as a true extension of its clients' sales organisations. With a reputation for delivering sustainable revenue growth, the company enables businesses to scale faster without the complexity and cost of building in-house SDR functions.

View durhamlane Profile
Inside Service Listing

Undisclosed/hr

Hourly Rate
Inside Service Listing

$2,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Newcastle upon Tyne, UK

Location
Reexia Telemarketing
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agency_climbed
Claimed by Official Representatives

20

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

20

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 80% Business Services

  • 20% Digital Marketing

B2B Lead Generation & Telemarketing Agency

Reexia is a UK-based B2B lead generation and telemarketing agency helping businesses generate qualified sales opportunities and reach the right decision-makers. We combine targeted data research, professional telemarketing and email outreach to identify, engage and qualify potential customers on behalf of our clients. Our campaigns focus on genuine commercial opportunities and quality conversations rather than simply generating high volumes of leads. We support businesses across the UK and internationally, with experience in manufacturing, technology, logistics, security, professional services and other B2B sectors. Our services include B2B telemarketing, lead generation, appointment setting, email marketing, database building and outsourced business development.

View Reexia Telemarketing Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

London, UK

Location

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