The phrase "alongside ministers" is correct and usable in written English.
It can be used to indicate that someone is working together with ministers or in close proximity to them, often in a collaborative context.
Example: "The policy was developed alongside ministers to ensure it met the needs of the community."
Alternatives: "together with ministers" or "in collaboration with ministers".
The fate of the imperial collection, the world's finest of Chinese art, still represents such a powerful political and emotional link with the mainland that the director of the Taiwan museum sits alongside ministers as a full member of the president's cabinet.
The UK government is spending £80m in aid in Yemen and humanitarian agencies giving evidence alongside ministers said it was incoherent for ministers to supply arms to a country that was then destroying the work of UK aid agencies.
David Trimble, head of the Ulster Unionists, said he had reappointed his party's ministers to the cabinet of the power-sharing government alongside ministers from Sinn Fein, the political wing of the I.R.A.
In April 2017, she gave a talk at a conference alongside ministers in Assad's cabinet (who spoke via video conference) titled "White Helmets: Fact or Fantasy?" Her briefing paper and slides on the topic were then submitted to the UN security council and UN general assembly by the Russian government as "evidence" against the White Helmets.
Bennett, alongside Minister for the Status of Women Patty Hajdu and Minister of Justice Jody Wilson-Raybould, announced the first details of the government's inquiry into murdered and missing indigenous women.
To vaccinate your child means to protect your child," said Minister of Health Victor Makwenge Kaput, as he stood alongside Minister of Women, Family and Gender Marie-Ange Lukiana Mufuankolo at the ceremony.
Mr Osborne sits on decision-making committee alongside other ministers.
Military officers stood alongside cabinet ministers and priests.
The Greens senator Larissa Waters also attended Tuesday's rally alongside state ministers Stirling Hinchliffe, Shannon Fentiman and Steven Miles.
Mr Carter made the announcement alongside defence ministers from Estonia, Latvia and Lithuania, a day after he announced the US would be contributing weapons, aircraft and troops, including commandos, to Nato's new rapid reaction force.
Nick Clegg and David Cameron would be governing together at Westminster, routinely attacking and jeering at Labour in the Commons; while in Edinburgh, Clegg's Scottish colleagues would be sitting alongside Labour ministers and presumably slagging off the Conservatives.
