13.1 List subsidiaries, products, and locations.
Information on subsidiaries is available in the Annual Return available at Companies House WebCHeck and the company website.
It is important to note that firms are structured very differently in terms of subsidiaries. Some firms have a very complex subsidiary structure, while others do not. Some fold new acquisitions into the parent company, while others maintain them as subsidiaries. These differences may or may not be of any significance.
Dunn and Bradstreet Million Dollar Directory (fee-based) provides excellent corporate trees than include subsidiaries.
UMass Resources (for UMass students only)
Dunn and Bradstreet Million Dollar Directory accessible through Mergent Intellect provides excellent corporate trees than include subsidiaries.