I don't want to appear rude but Company Secretary is much more than a fancy title. A real Company Secretary has a huge legal responsibility for the whole of the company and I can't help but think you may have been best advised to find out details before you took up the position.
I don't know the ins and outs of your particular situation but it may be in order to consult a professional in corporate law and/or the Institute of Directors to ascertain your responsibilities.
Of one thing I am sure - it's more than software you need for this job.
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