As of October 13, 2026, ListRiver's records show 1,245 active registered businesses in Warren County, Ohio, the 10th most among Ohio counties. 78% are LLCs. 223 were formed in September 2026. That is 2% of all Ohio businesses on record.
How many businesses are registered in Warren County, Ohio?
ListRiver has 1,245 active registered businesses in Warren County, Ohio on record as of October 13, 2026, from official Ohio business registry data. Dissolved and defunct businesses are not counted.
How many new businesses were formed in Warren County, Ohio in September 2026?
223 businesses on record in Warren County, Ohio were formed in September 2026.
How many new businesses opened in Warren County, Ohio in the last 12 months?
700 businesses on record in Warren County, Ohio were formed in the 12 months through September 2026.
What is the most common type of business in Warren County, Ohio?
LLCs are the most common: 969 of 1,245 businesses on record (78%), followed by Corporations with 224 (18%).
Where does this data come from?
From Ohio's official business registry. ListRiver loads each new state file, standardizes it, removes duplicates and updates its database weekly. Email and industry details are added from SMBCredit.net where available.
How do I get a list of businesses in Warren County, Ohio?
Use ListRiver's list builder to filter Warren County, Ohio businesses by entity type, formation date, industry and contact details, see the exact count and price, and download a CSV. Every list includes monthly refresh files.
Free to use on any site, and it updates itself every month. Copy this code and paste it into your page. Preview the chart.
Counts come from official Ohio business registry records on file with ListRiver, current as of October 13, 2026. They include businesses that are active on the state register; dissolved and defunct entities are excluded. Contact details are added from SMBCredit.net where available. Formation months reflect the registration date the state reports. See the methodology for sources, update schedules and known limits.