Our History Founded in 2011, Sigma employs over 3,000 people and operates across offices in the UK, South Africa and Australia. Read More

Follow Sigma’s journey from being founded in 2011 with 20 full-time employees to its expansion as a global brand, employing over 3 000 people and operating across offices in the UK, South Africa and Australia.

Since being acquired by the Digicall Group in 2016, we have demonstrated our versatility and grown into an award-winning company operating across a wide range of industries.

Growth Timeline

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  • 2011

    Sigma Launched

    Mike Harfield and Gary Gilburd set up Sigma to support tier 1 clients

  • 2013

    Sigma acquires CCSG
    CCSG is a debt recovery business with over 30 years experience. Once acquired, Sigma grows by 130 FTE overnight
  • 2015

      Awards

      UK Contact Centre Award for Outsourcing partnership of the year

      Utilities & Telecomms Award for 2015, Energy team of the year

    • 2016

      Energy sector specialism
      Sigma started to focus exclusively on the energy sector.

      Turnover reaches £10m

      Expanding territories
      Sigma partnered with Digicall, a £70m turnover contact centre business, and branched into South Africa.

      Awards
      Utilities & Telecoms for Best outsourcing initiative of the year

      Utilities & Telecoms Award for Best joint customer service initiative of the year

      UK Contact Centre Award for Outsourcing partnership of the year for the second year running

      BMet Partnership
      Sigma partners with BMet to train candidates to become potential employees, by offering a course in customer service

    • 2017

       

      Birmingham Children’s Hospital
      Sigma started supporting Birmingham Children’s hospital as a charity

    • 2018

      A partner of choice
      Sigma quadruples in size over 2 years through growth in existing clients and onboarding of new clients

      Awards
      Utilities & Telecoms Award for Leader of the year – Transition & Implementation, Gary Gilburd

      Financial Sector
      Sigma branched into the financial sector

    • 2019

      Awards
      UK Complaint Handling Awards – Gold Award for outsourced complaint handling

      Utilities & Telecom Award for Energy Team of the Year – Collections

      Water Sector
      Sigma branched into the water sector

       

    • 2020

      New services available
      Launched Mclaren Credit Services & ReachOut to support vulnerable customers

    • 2021

      Mind
      Sigma started supporting Mind, a mental health charity in the UK

      New horizons
      Rebranded to Sigma Connected, now at c3,000 FTE and opened in Australia

      Telecoms
      Sigma Connected branched into the telecoms sector

      Continued growth
      Sigma Connected continues to have experience expediential growth in South Africa & the UK – hitting a £60mil turnover milestone

      Awards
      Credit Services Association Innovation Award for ReachOut

      Credit Services Association Innovation Award for ReachOut

    Awards and Accreditations