Which? has made five super-complaints to the Office of Fair Trading—private dentistry, care homes, Northern Ireland banking, credit card interest calculation methods, and the Scottish Legal Profession. Citizens Advice has made two—doorstep selling and payment protection insurance. Postwatch has made one super-complaint, on mail consolidation and the National Consumer Council has made one, on home collected credit. Energywatch has made one complaint—on billing processes—to Ofgem in its (Ofgem's) capacity as a concurrent regulator.