The Digital Transformation Office is working on a digital mailbox to provide businesses with a single electronic location for government correspondence.
The project is due for release in 2016.
The DTO outlined the plans in a blog entry posted today.
"This will mean all Australian businesses will be able to get their messages from government in one place and then seamlessly complete digital transactions," the DTO said.
"This will be a game changer in the way business transacts with government, saving time and frustration."
Budget papers revealed the government had earmarked $7.1 million for developing a "whole-of-government digital mailbox solution to enable individuals and businesses to receive and transact with digital messages and documents from government in a seamless, secure environment."
The DTO said today it was "expanding and improving" the myGov digital mail service that is currently used by a number of government agencies, such as the Australian Taxation Office, Centrelink and Medicare, for communicating with individuals.
More than 45 million letters have been sent using the service in the past 12 months, according to the DTO.
myGov was launched in 2013.
The DTO was launched in January to improve and expand the digital services provided by government. From July it will be an executive government agency.
An FAQ document posted by Communications Malcolm Turnbull after he announced the creation of the DTO said the agency "will leverage myGov and the Australian Business Register to transform the way services are delivered to both individuals and business".
The federal budget included $95.4 million for the DTO as part of a $254.7 million digital government package. The DTO funding includes work on a digital service standard.
In addition to expanding myGov, the 'Digital Transformation Agenda' includes $106.8 million to streamline the administration of government grants through a common ICT platform, $33.3 million for the development of a trusted digital identity framework and $11.5 million for improving ‘tell us once’ capabilities for government services.