How the principle of specialty avoids asset confusion and strengthens the legal security of transactions. By Antonio Mazzucco
In the business world, the expression "business group" is often associated with power, diversification, and success. However, behind this prestigious facade, a dangerous legal trap may be lurking. The decision to structure operations into multiple companies is one of the most strategic an entrepreneur can make, but its success depends on a fundamental—and often neglected—concept: the principle of specialty. Ignoring it can transform what should be a fortress of asset protection into a house of cards.
In essence, the principle of specialty is the golden rule of corporate governance. It stipulates that a company must strictly adhere to its corporate purpose—the objective for which it was created and which is described in its contract or bylaws. This imposes three clear duties on its administrators: not to engage in acts outside the scope of the business, not to divert the company's purpose for personal interests, and not to exceed the powers formally conferred upon them. In other words, the company has an identity and a mission, and management cannot deviate from this path.
But why is this delimitation so crucial? Because it is the basis of the corporate regime, designed to create a barrier—a veritable "firewall"—between the company's assets and the personal assets of its partners. Specialization reinforces this protection: business risk is contained within the boundaries of that specific activity. When a company acts outside its purpose (an act ultra viresThis barrier becomes fragile. Creditors may question the validity of the actions, and investors may identify unacceptable risks in a... due diligence And the administrators themselves may be held liable with their personal assets.
This is where the idea of a business group comes into play. The strategy, when well executed, is brilliant: create different legal entities, each with its specific corporate purpose, to isolate the risks of each operation. A real estate company would not be affected by a crisis in another company owned by the same person that operates in retail. Each business operates in its own "box," with autonomy, accounting, contracts, and its own employees.
The danger arises when form overrides reality. Many entrepreneurs create multiple companies on paper, but in practice, manage everything as a single business. This is called asset commingling: one company pays the bills of another, employees are shared without proper formalization, the cash flow is unified, and assets are mixed. A construction company is used to hire personnel for the event planning company of the same owner. In these cases, the principle of specialty is blatantly violated.
When this happens, the Judiciary — especially in labor and tax areas — tends to disregard the formal separation and recognize the existence of a "de facto economic group." The consequence is immediate and severe: joint and several liability. The debt of one company can be collected from any other in the supposed group. The fortress of risk protection is inverted and becomes a channel of contamination, where the problem of one drags all the others into the same financial abyss.
Strictly speaking, for the corporate veil to be pierced and bankruptcy proceedings to be extended, abuse or misuse of purpose, or commingling of assets, must be proven based on concrete facts. However, we know that, in practice, this necessary proof can be superficial—and this increases the risks of business activity.
Classic examples include the case of a business group with diversified operations in sectors such as clothing, electronics, supermarkets, home goods retail, real estate, credit, and advertising agencies, among others. This group faced a lawsuit that resulted in the disregard of its legal separation and joint liability among the companies due to asset commingling.
Another notable example is that of a group in the automotive trade sector that had other business ventures, including credit, advertising, nautical, and financial companies, among others. This group also faced problems of asset commingling, leading to the recognition of a de facto economic group and the extension of debts among its companies.
So, is it worthwhile to have a business group? The answer is debatable and should be evaluated on a case-by-case basis. The decision should be technical, not emotional. Before calling oneself a "group," the entrepreneur should ask themselves: does each company have its own life, or are they merely different fronts for the same business? Discipline in the segregation of activities is not a mere bureaucratic formality. It is the essence that guarantees the legal security of partners, investors, and creditors. Without it, the "group" is just a nice name for multiplied risk.
Antonio Mazzucco is a specialist in corporate business law and a partner at the law firm Mazzucco & Mello.