Deloitte's Ian Brown said it had sent out 30 information memorandums and had "over a dozen" parties look round Newcastle-based NSL, which went into administration on 5 January.
The large-format printer cut 22 jobs after losing key work from Woolworths and other major retailers.
Brown told PrintWeek: "There's been a steady amount of visitors and we are pleased with the response. We are looking for offers to be made for the business by early next week."
Deloitte is currently working with David Moorhead, NSL's production director, to run the business and find a buyer.
Duncan Hesse, NSL's managing director, no longer plays an active role in running the business.
NSL was founded by chairman Bill Hesse in 1972. In 1998 it moved into its current site. NSL runs a 6900sqm factory on the New York Industrial Estate, North Tyneside.
NSL administrator reports 'steady interest' from potential buyers
The administrator for Norscreen, which trades as NSL Integrated Print Solutions, has said it is confident a buyer will be found following interest from several companies.