A report by e-commerce consultancy – Salmon – into the current and future state of digital commerce in Britain can be accessed from this page – https://www.salmon.com/en/digitalbritain2015/ together with some useful 2 page sector insights on digital readiness and benefits experiences within 5 sectors – non-luxury (high street) retailers, luxury retailers, wholesalers, grocery and manufacturing.  All highly relevant for the AQA BUSS4 Research Theme on E-commerce.
https://www.salmon.com/media/filer_public/5c/6b/5c6b995d-500c-4c2f-83a3-acf019801241/british_business_in_the_digital_age_final.pdf