Sports Direct International has been told that no charges will be brought against it by the Serious Fraud Office.
The SFO had launched an investigation into Sports Direct International and JJB Sports over alleged anti-competitive practices.
Office of Fair Trading and the SFO officials visited Sports Direct’s head office in September 2009 as part of the probe into the sports retail market.
A statment from the SFO said: "The Serious Fraud Office investigation into Sports Direct International plc and JJB Sports plc has been completed and it is decided that no charges are to be brought against the companies. The investigation into individuals continues."