Law firms already elbowing one another for multinational clients will soon have a new competitor: The Big Four accounting firm PwC, formerly known as PricewaterhouseCoopers, plans to open a law firm in Washington, D.C., next week.

The law firm, ILC Legal, will advise clients on international matters such as corporate restructuring. Its lawyers will act as special legal consultants, rather than fully licensed United States lawyers, allowing them to provide counsel on foreign law but not United States law.

ILC Legal, nonetheless, aims to vie with big law firms as a one-stop shop offering multinational companies access to other PwC services, including tax consulting and its network of 3,200 lawyers spread across 90 countries. The firms in that network operate separately but follow the same standards and practices under the PwC brand name.

“We won’t be a traditional law firm, where legal services are offered in isolation, but one part of a broader offering,” said Richard J. Edmundson, a British solicitor based in London who is PwC’s leader of international business reorganizations.