Justice Minister Alan Shatter said he regretted that the laundries were not investigated until 2011.
I am sorry that the state did not do more and the Government recognises that the women alive today who are still affected by their time in the laundries deserve the best supports that the state can provide.
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The letter was signed by the CBI, British Chambers of Commerce, the EEF, the Institute of Directors and the Federation of Small Businesses.
A spokesperson said Rory Stewart's remarks were in line with the British government’s stated position.
The minister's intervention will come a week after Trump decertified the landmark agreement claiming it was not in the US national interest.