I was interested to read the recent case of IX v IY  which considered the question...
Services for Shareholders
Shareholders of a company have certain rights, obligations and duties which are set out in the Companies Act 2006 and in a company’s Articles of Association. Shareholders of a limited company are protected by the principle of limited liability, which means that each individual shareholder’s liability is limited to the nominal value of the shares that they own (save for in certain circumstances).
Under the Companies Act 2006, the significant company decisions must be approved by shareholders at a general meeting or by way of a written resolution. By voting in such matters, shareholders exercise their ultimate control over the company and how it is managed.
There are a number of circumstances where shareholders may need legal advice or assistance and our Commercial and Corporate Finance solicitors have significant experience in advising clients in such circumstances. Links to relevant pages below: