Plus Markets Group is a London-based stock market operator. There are three tiers: Plus-quoted (the old Ofex market), Plus-listed and Plus-traded. Plus-quoted is for small growing companies. Mears Group was the first company on Plus-listed, which is the equivalent of the Main Market. Plus-traded covers companies that are already quoted on the Main Market and Aim. Plus-Europe is a link-up with the Munich Stock Exchange.