"We have been really impressed with Sigma’s customer-focused approach to designing a quality user experience across our products. Our vision has been to design and deliver sector-leading products to enhance our existing customer service offer. Sigma’s assistance across the project has helped see this vision become a reality and we …

"Our work with Sigma has really helped us to more fully understand the needs of our research audiences, and to devise methods for communicating with them more effectively. The research was insightful and timely, and the journey mapping exercise has enabled us to visualise and tailor our marketing communications in …