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We advise clients on making, and defending, complaints to competition agencies and regulatory agencies both nationally and internationally.

Used carefully and properly, a complaint is a powerful tool by businesses and others to control the anti-competitive behaviour of others. Competition agencies and regulatory bodies welcome well-reasoned and well-founded complaints because it gives them information on breaches that would otherwise go undetected. Some of the largest companies in the world have used the complaint mechanism to launch investigations and change the behaviour of others. Complainants can often remain confidential. Interestingly, while some complainants (particularly, smaller companies) can fear the consequences of making complaints, our experience has been that complainants are often taken more seriously by their competitors after they have made a complaint.