Top 50 Largest Contact Centres in the UK


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Here is our list of the top 50 largest contact centres in the UK, as determined by number of agents.

One question that we get asked a lot is which are the largest call centres in the UK. So we’ve done a bit of detective work and have come up with our estimate of the top 50 largest UK call centres.

Over 5000 agents

  • HM Revenue and Customs
  • Hutchison 3G UK
  • Serco
  • BSkyB
  • Stream Intelligent Contact
  • Teleperformance
  • Webhelp TSC

2000 – 5000 agents

  • BT
  • Capita
  • Conduit
  • Co-op / Co-op Bank
  • Department of Work and Pensions
  • Direct Line Group
  • DVLA
  • E.ON
  • Firstsource
  • LV=
  • RWE npower
  • Tesco

1000 – 2000 agents

  • AA
  • American Express
  • Aviva
  • AXA
  • Barclays
  • British Gas
  • BUPA
  • Convergys
  • EE
  • EON
  • Esure
  • First Direct
  • Friends Life
  • Fusion
  • Home Retail Group
  • HSBC
  • JD Williams
  • Lloyds Bank
  • Nationwide Building Society
  • RESPONSE
  • Saga Group
  • Santander
  • Scottish and Southern Electric SSE
  • Scottish Power
  • SITEL
  • Swinton
  • TalkTalk
  • Telefonica UK
  • The Contact Company
  • Virgin Media

Have we missed anyone out?

Please email the news desk if you think we’ve left anyone out, or under/over-estimated the size of any business listed.

With thanks to Steve Morrell and to everyone who responded on Twitter.

Published On: 15th Jan 2014 - Last modified: 21st Jun 2022
Read more about - Call Centre Life, ,


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5 Comments
  • Be interesting to see which is the largest single site contact centre, as many of these are multi site operations.

    Shane Smith 16 Jan at 12:35
  • I think that it may be HMRC.

    jonty pearce 12 Feb at 13:31
  • Do you have a list of the top 50 sales call centers in the UK?

    Russ Sandlin 16 Feb at 12:25
  • Biggest call center in the uk is sse’s in penner Road Portsmouth

    Lewis jeram 8 Oct at 19:12
  • We Fight Any Claim should be on this list – 110%

    Andrew Cousins 8 Aug at 15:04
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