Contact Us About us Sigma delivers a wide range of customer contact solutions for some of the largest and most well known brands. Read More

Sigma is an innovative business process outsourcing provider which offers a wide range of services, including customer services, collections, complaint management, sales, staff training and much more.

Industry Expertise

With expertise in Energy, Water and Financial services, Sigma’s clients operate across a wide range of industries, including retail and telecommunications. Sigma works flexibly with each of its clients, as their business and customers change and their demands differ over time, to ensure their needs are met both now and in the future.

Award Winning Business

As an award winning business, we have earned multiple accolades in recent decades. These include Utility Partner of the Year at the 2018 and 2019 Utility Week Awards; Team of the Year - Collections, Best Joint Customer Services Initiative of the Year and Best Outsourcing Initiative of the Year at the U&T Awards; Outsourcing Partnership of the Year at the 2019 Handling Awards; and an Innovation Award at the 2021 CSA Awards.

FCA Regulated

An FCA regulated business, Sigma is ISO 27001 certified in relation to its Information Security Management System; ISO 9001 certified in relation to its Quality Management System; and is PCI DSS compliant.

Founded in 2011, Sigma employs over 3000 people and operates across offices in the UK, South Africa and Australia.

Here at Sigma, our values are at the heart of everything we  do.

At Sigma we believe in providing all our expertise to our partners at the outset, with value-add services built in as part of the package.

We take our responsibility as a business seriously and we are committed to supporting our environment, our people and the communities in which we operate across the UK, South Africa and Australia.

Our gender pay gap reports are based on the government’s methodology set out in the equality act 2010 (gender pay gap information) regulations 2017.

About The Group

Digicall logo

The Digicall Group is a preferred service partner providing a range services in diverse segments such as contact centre management, insurance claims administration, claims assessment and adjudication, supply chain management and tailor-made bespoke solutions which meet customer demands in a responsible, cost-effective and sustainable way.