
https://www.nao.org.uk/wp-content/uploads/2018/06/Investigation-into-the-governments-handling-of-the-collapse-of-Carillion.pdf

https://static1.squarespace.com/static/5a0c602bf43b5594845abb81/t/5d979e6dc5f7cb7b66842c49/1570217588721/ICRICT-INTERNATIONAL+CORPORATE+TAX+REFORM.pdf

https://www.cia.org.uk/news/details/Key-sector-of-the-economy-questions-the-budget-commitment-to-manufacturing