Possible Clues:

• Sham marrying spread to borders of Bulgaria
• Sheets of paper spread round engrossed in Shakespeare
• Business-card paper stock
• Maker of business cards used by decorator?
• Layers of paper stuck together — abrades top (anag)
• Paper-towel tube material
• Sheets stuck together in part, so a bed needs remaking
• Defeat those running the company? Just the ticket!
• Former key directors involved in company fraud