The infiltration of legal business structures by criminal networks poses profound risks to financial integrity, public safety and economic fairness. By blurring the lines between lawful and unlawful enterprises, these networks complicate efforts by authorities to detect and dismantle their operations, eroding public trust in the economy and the legal system. Leveraging legitimate business structures allows organised crime to grow in power and influence, creating a self-sustaining cycle that threatens the foundation of society. Through legal businesses, criminal networks can channel illicit funds, or dirty money, into legitimate operations, disguising the origins of their assets and even gaining access to legitimate financing. Whether through money laundering or by securing legitimate funds, their criminal enterprises expand and flourish. The use of shell companies to evade taxes or distort economic competition undermines the integrity of economies and creates unfair advantages that weaken honest businesses. Among these threats, however, the combination of the abuse of legal business structures and corruption stands out as one of the most severe. By exerting control over legitimate sectors, local communities and even political figures, criminal networks gain influence that extends well beyond the business world. In some cases, communities become economically dependent on these criminal-run businesses, leading to a lack of cooperation with law enforcement and further shielding of illicit operations. As these enterprises expand, so does the power of the criminals who infiltrate or control them. With each new acquisition and each community dependency, these criminal networks tighten their grip. They weave into the fabric of legitimate business, making it harder for law enforcement to detect illegal activities. This use of legal business structures creates a dual economy-one that appears lawful but serves as a cover for corruption, exploitation and criminal control. This web of businesses does not just evade detection; it undermines trust in the economy and erodes the integrity of legitimate commerce, creating a world where the line between legal and illegal becomes blurred. The entrenchment of criminal networks within legal structures requires a coordinated but multi-disciplinary response from law enforcement, the private sector, public authorities and communities to protect the integrity of our economy and societies.