This conclusion presents some closing thoughts discussed in the preceding chapters of this book. The book conceptualises the interaction between the sectors; how state security intelligence interacts with private sector intelligence produced by private security companies (PSCs). Firms gathering information in relation to potential markets and the activities of competitors, and the hard/software producers and communication service providers (CSPs) on whom contemporary society and economy depend for information security. The book discusses the experience of securing greater democratic control of state intelligence in both older and newer democracies. It explains that in most developed democracies there is a procedure for special audit institutions to examine largely secret intelligence budgets that can augment more general oversight. The book considers the implications of securitism for the broader governance of intelligence, especially as regards state corporate relations and the intelligence networks that operate both within and between nations.