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.

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 × Corporate Services × Sort by: Top Rated ×Clear Filters
  • From individuals and entrepreneurs, small and medium-sized businesses, right through to large corporations and government bodies, our administrative assistants are helping our clients become more efficient by streamlining their processes...

    Top Services:

    • Customer Support
    • BPO
    • Market Research
    • Transcription Services
    • Translation Services
    • Show more
    Location
    Edinburgh, United Kingdom
    Number of Employees
    250 - 499
    Average Hourly Rate
    $24/hr
  • One Platform for Every Conversation

    8x8, Inc. (NYSE: EGHT) is transforming the future of business communications as a leading Software-as-a-Service provider of voice, video, chat, contact center and enterprise-class API solutions powered by one global cloud communications platform. 8x8 empowers workforces worldwide to connect individuals and...

    Top Services:

    • Call Centers
    • Managed Services
    Location
    Manchester, United Kingdom
    Number of Employees
    Under 49
  • The New Age of Customer Experience

    Startek delivers AI-powered customer experience outsourcing across 13 countries with 38,000+ associates supporting over 140 clients in 36 languages. Services span omnichannel contact centre, sales, and automation. Best for enterprises needing globally scaled, AI-augmented outsourced contact centre operations...

    Top Services:

    • BPO
    • Call Centers
    Location
    Manchester, United Kingdom
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • SMEs' Premier Outsourcing Ally: Your #1 Choice

    Big Outsource, a leading BPO company, specializes in outsourcing solutions, from project-based services to virtual captive centers. Our expertise spans creative, technical support, and IT disciplines, making us your trusted partner for outsourcing excellence...

    Top Services:

    • BPO
    • Call Centers
    • Customer Support
    • Phone Answering Services
    • Accounting
    • Show more
    Location
    Staines-upon-Thames, United Kingdom
    Number of Employees
    250 - 499
    Minimal Budget
    $1,000 - $10,000

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
129,656+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
4

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.