Professional Corporation

What Is a Professional Corporation?

A professional corporation, often abbreviated PC or P.C., is a corporation formed under state law to provide licensed professional services. It is commonly used by physicians, dentists, lawyers, accountants, architects, engineers, and other regulated professionals, depending on the state's professional-entity rules.

The professional corporation is a legal entity, but it does not make professional licensing rules disappear. Owners, directors, officers, and service providers may need to be licensed in the relevant profession, and state law or licensing-board rules can limit who may own shares or control the entity.

How a Professional Corporation Works

A professional corporation is formed by filing documents with the appropriate state office, often the secretary of state, and satisfying any professional-board requirements. The entity's name may need to include a professional-corporation designator. Some states require licensing-board approval or certification before or after filing.

The corporation can enter contracts, lease space, hire employees, bill clients or patients, and own business assets. It can also adopt bylaws, issue shares, and provide a governance structure. The professional overlay means ordinary corporate rules are modified by licensing and ethics rules.

Liability and Malpractice Context

A professional corporation can help separate certain business liabilities from personal assets, but it usually does not protect a licensed professional from liability for their own professional negligence, malpractice, or misconduct. That is a major difference between ordinary business risk and professional responsibility.

The entity may protect one owner from some obligations created by another owner, depending on state law and facts, but professional liability insurance remains central. A PC is a structure; it is not a substitute for competent practice, supervision, compliance, or insurance.

Tax and Compensation Issues

Professional corporations may be taxed as C corporations or, if eligible and elected, S corporations. Some professional service corporations face special federal tax rules, and owner-employees may need reasonable compensation. The right structure depends on state law, income level, payroll, retirement plan goals, fringe benefits, ownership group, and exit plans.

A professional corporation should therefore be evaluated with both legal and tax advice. The state may allow the entity, but the tax consequences still depend on elections, payroll, distributions, deductions, and owner status.

PC Versus PLLC

Many states also allow professional limited liability companies, or PLLCs. A PC uses a corporate structure, while a PLLC uses an LLC structure adapted for professional services. The better option depends on the profession, state, liability rules, tax goals, governance preferences, and whether the licensing board permits both choices.

For a solo professional practice, the difference may affect administration and tax planning. For a multi-owner firm, it may affect ownership transfers, buy-sell terms, management authority, and succession.

Formation Checklist

Before forming a PC, professionals should confirm whether their licensing board allows the entity, who may own shares, what name ending is required, whether board approval is needed, and how malpractice insurance will be handled. Those state-level details can matter more than the generic corporate label.

Changing the entity later can be more costly than choosing the right form at the start.

The Bottom Line

A professional corporation is a state-law corporate vehicle for licensed professionals. It can provide useful business structure, but it must be read together with licensing rules, malpractice exposure, tax classification, and professional ethics obligations.