The Australian Greens have announced a plan to ease the pressure on small business by expanding tax breaks and strengthening the role of the national Small Business Commissioner.

These new initiatives follow yesterday's announcement that the Greens would lower the company tax rate from 30% to 28% for companies with turnovers of less than $2 million dollars.

The Australian Green have released a plan to ease the pressure on small business by reducing the company tax rate for small business by two per cent from 1 July 2014.

"The Australian Greens understand the pressure that small businesses are feeling which is why we want to give them a fairer go by lowering company tax from 30 per cent to 28 per cent," Greens Leader Senator Christine Milne said.

"Our investment in small business has been costed by the independent Parliamentary Budget Office at $1.75 billion over the forward estimates on the budget figures.