Labour has accused the coalition of failing to take stewardship seriously after a series of amendments to the Financial Services Bill were rejected by the government.
Shell could become the next victim of a widespread shareholder revolt against excessive executive pay in the UK.
The European Commission will move to give shareholders a binding vote on pay, according to Commissioner Michel Barnier.
The Queen's Speech will not spell out specific measures on executive pay.
Insurance giant Aviva has announced that its chief executive, Andrew Moss, is to leave the group with immediate effect.
Industry groups have warned that the government's proposals to increase the voting threshold on executive pay risk creating "activist minorities" of shareholders.
The Treasury select committee has launched an inquiry into corporate governance in the UK.
Aviva has agreed to review pay deals for its new executives following shareholder discord over its remuneration report.
Shareholders like pension funds are operating in a "fuzzy" area between politics and the markets as major companies increase their lobbying efforts.
Shareholders should force companies to reduce executive pay, delegates heard.