Have all the assets independently professionally revalued to demonstrate that the offer undervalues the company

Alter the memorandum and articles of association to state that a minimum of 75% of shareholders must agree to the bid before it can proceed

Make a counter bid for Company A provided such an acquisition could enhance Company B's shareholder wealth

Publish very optimistic financial forecasts for Company B even though the Board of Directors realises that these are highly unlikely to be achievable

Refer the bid to the competition authorities to try to have the bid prohibited on competition grounds