Unfortunately I don't think that a shareholder's agreement is what one would be looking for in the large majority of cases. If serious investment is required th

Unfortunately I don't think that a shareholder's agreement is what one would be looking for in the large majority of cases. If serious investment is required then obviously it would be a good idea, but a weekend or part-time project between 3 friends doesn't need a company to be incorporated before starting, but a vesting schedule with a cliff should probably have been agreed in almost all cases.