Over coming days, Communications Minister Anika Wells and eSafety Commissioner Julie Inman Grant will speak with representatives from Facebook and Instagram parent company Meta, Snapchat, YouTube and TikTok.
Another meeting is scheduled with Elon Musk's X in November.
The talks, which will be held digitally as most of the executives involved are based in the United States, will allow the government to outline its expectations of the platforms before the minimum age limit kicks in on December 10.
The apps' representatives will also be able to ask Ms Wells and Ms Inman Grant questions about the details of the policy.
"In two months our world-leading social media minimum age laws will give children a reprieve from the persuasive pull of platforms," Ms Wells said in a statement.
"Those platforms must work closely with eSafety to ensure their systems comply with the law."
From December 10, social media companies will be required to take reasonable steps to stop children under 16 holding an account on their platforms.
Labor argues the policy will help shield young Australians from harmful online content until they're old enough to better understand it.
"There's a place for social media, but there's not a place for predatory algorithms damaging children," Ms Wells said.
But the lead-up to the ban has been marred by confusion about exactly which platforms will be covered.
The government says Facebook, Instagram, Snapchat, TikTok, X and YouTube will be included, but other platforms like WhatsApp, Roblox, Reddit and Discord could also be roped in.
The government is preparing to roll out an advertising campaign, outlining the details of the ban to make sure parents and children are prepared.
Labor has made the social media age restrictions a defining issue, and has been lobbying other countries to follow suit.
Ms Wells travelled to New York in September alongside Prime Minister Anthony Albanese to discuss the ban with world leaders.
The European Union is now considering similar laws barring children from social media.
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