Allegheny County Business Name Search (Pennsylvania)

Search for Allegheny County, PA business names. A business name search can help you choose a business name, register a business, identify a trade name, trademark a business name, name an LLC, look up business owners, check if a business name is available, license a business, and more.


A Department of Labor operates at the federal, Pennsylvania State, or local Allegheny County level to develop employment opportunities, ensure fair labor practices, and promote a competitive workforce. As part of this mission, the Department of Labor may be involved in licensing and registration for businesses under its jurisdiction, including registering business names in Allegheny County. An Allegheny County business name search through the Department of Labor can include business names for sole proprietors, partnerships, corporations, limited partnerships, or limited liability companies. This search can also identify the owner of a business and trademarked business names. Many Departments of Labor provide online access to business name search information.

Allegheny County Department of Labor Pittsburgh PA 1000 Liberty Avenue 15222 412-395-4996

Warrendale Pennsylvania Department of Labor Warrendale PA 547 Keystone Drive 15086 724-772-2333


A Town or City Hall provides administrative services for the local Allegheny County community, including business services such as registering local businesses or processing applications for business licenses. Towns and City Halls in Allegheny County, Pennsylvania may also be responsible for issuing trade names to local businesses. They may provide online access to a business name search so that people can identify Allegheny County business names for sole proprietors, partnerships, corporations, limited partnerships, or limited liability companies. This search can also be used to identify the owner of an Allegheny County business as well as any trademarked business names. Town and City Halls may provide an online searchable database of local business names and information.

Duquesne City Hall Duquesne PA 12 South 2nd Street 15110 412-466-4746

Garden City Hall Monroeville PA 600 Garden City Drive 15146 412-373-1313

McKeesport City Hall McKeesport PA 201 Lysle Boulevard 15132 412-675-5020

Pittsburgh City Hall Pittsburgh PA 710 Washington Road 15228 412-343-3400