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  • Services
    • Customer services
    • Collections
    • Complaint management
    • Customer acquisition
    • ReachOut – helping with problem debt
    • Offshoring solutions
  • Industries
    • Energy
    • Water
    • Financial services
    • Telecommunications
    • Retail & ecommerce
    • Travel & tourism
    • Insurance
    • Government
  • Case studies
  • Insights
    • Blogs
    • News
    • Resources
    • Videos
  • Careers
  • Impact sourcing
  • About us
    • Our values
    • Our history
    • Our group
    • How we work
    • Our team
    • Corporate social responsibility
    • FAQs
    • In the press
  • Contact us
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Sigma delivers a wide range of customer contact services in the UK, South Africa, Australia and America.

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Copyright © Sigma is a trading style of Sigma Connected Ltd. All rights reserved 2026.
Registered in England and Wales – Company no. 01221157 VAT Registration No. 125 4521 39

Sigma Connected Ltd is a wholly owned subsidiary and appointed representative of Sigma Connected Holdings Ltd which is authorised and regulated by the Financial Conduct Authority. Firm reference number 630514. Part of the Digicall Group.