PSNI Chief Constable Simon Byrne has met Kevin Lunney and other directors of Quinn Industrial Holdings in Co Fermanagh.
The officer leading the PSNI investigation into the abduction and torture of the father of six also attended the meeting.
He had his leg broken, had the letters QIH carved across his chest, and was slashed several times with a knife before being dumped on a roadside in Co Cavan.
A statement issued after the meeting said Mr Byrne had updated the directors on the investigation into Mr Lunney’s abduction, as well as other incidents linked to the company.
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He was accompanied by Assistant Chief Constable Barbara Gray, who leads the PSNI’s Crime Operations Department, which is leading the investigation in Northern Ireland.
Last week, it was announced that gardaí and PSNI had established a Joint Investigtion Team.
In a statement, Mr Byrne said he had reassured Mr Lunney and the other directors that the PSNI continues to work closely with gardaí to bring those responsible to justice.
"This was a truly horrific crime, Mr Lunney suffered life changing injuries across his face and body and is undoubtedly extremely traumatised by the whole experience," he added.
"Other individuals have also been affected by the abhorrent campaign of violence and criminality."
Taoiseach Leo Varadkar held a private meeting with the directors in Derrylin on Sunday 10 November.
They previously met the Garda Commissioner Drew Harris.