How could designers make visualization of data more comprehensive for Swiss financial institutions?

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studying business management and design but this dissertation mainly focuses on the design aspect and theories. going to upload the proposal I have done so you have an idea of what has to be done.

Please re-write the literature review that has to be a total of 2000 words and the Research methods have to be 1000 words total.

For my research methods I am now focusing on open interviews with 5 different establishment. As I interview the people it is more of a discussions that revolves around certain themes.
will also attach what is expected from my supervisor for these different chapters.