Security group Newmark Security has opened a new office in Hong Kong for its subsidiary Grosvenor Technology, in a move to expand its business into the Asian market.Following the Grosvenor's new office opening, the group appointed a technical services engineer, a VP of sales and a business development director.Newmark's chief executive Marie-Claire Dwek said: "We are delighted to have opened an office in Hong Kong and see this as an important milestone within our strategy to expand our operations into growing markets."We look forward to keeping shareholders informed of our developments here."Shares were up 0.19% to 3.13p on Monday at 09:35.