- Based in Clerkenwell, London, Zafferano is a leader in modern party catering with Mediterranean inspired food for corporate entertainment or private parties. Enter the site and find details on the full range of our catering services. From event planning and finding the right venue for your party, to the 'Zafferano Cocktail Bar' and all the details in-between, Zaferrano is the professional ...www.zafferano.co.uk