Roger William Perowne

Savanta Group Ltd. engages in the provision of market research and business management consultancy services. It offers data collection and analysis, intelligent products, and research and consulting. The company is headquartered in London, the United Kingdom.

Charterhouse Research Ltd. provides financial market research consulting services. The firm offers advertising testing and tracking, brand development and positioning, customer acquisition, communications testing and development, and market sizing and segmentation. The company was founded by Julie Irwin, Mark Dennis, Sara McFadzean, and Mervyn Flack in 2004 and is headquartered in London, the United Kingdom.