Businesses in Ottawa County, Ohio

As of October 13, 2026, ListRiver's records show 108 active registered businesses in Ottawa County, Ohio. 84% are LLCs. 25 were formed in September 2026.

From official Ohio registry records, updated weekly. Look up a Ohio business by name.

Businesses on record

108

Formed in the last 12 months

Formed in September

With a registered agent

31%

34 records

New Ottawa County businesses per month

Businesses on record by formation month, through September 2026. Monthly Ohio new-business reports · Get the list of 25 new businesses formed in September 2026

Entity types

LLCs91 · 84%
Corporations13 · 12%
Other4 · 4%

Top cities

Port Clinton59 · 55%
Genoa12 · 11%
Marblehead10 · 9%
Lakeside Marblehead10 · 9%
Oak Harbor8 · 7%
Clay Center3 · 3%
Elmore2 · 2%
Put In Bay2 · 2%
Graytown1 · 1%
Middle Bass1 · 1%

Top ZIP codes

ZIP 4345259 · 55%
ZIP 4344020 · 19%
ZIP 4343012 · 11%
ZIP 434498 · 7%
ZIP 434083 · 3%
ZIP 434562 · 2%
ZIP 434162 · 2%
ZIP 434461 · 1%
ZIP 434321 · 1%

Newest business names registered in Ottawa County

Get all 108 Ottawa County businesses · see price Just the 47 formed in the last 90 days · see price

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This is a small sample, not the full list. To keep automated scrapers from copying our data, we only show a handful of records on public pages. Your downloaded list includes every matching business.

Business	City	Type	Formed
Name hidden	Port Clinton	LLC	Oct 2026
Name hidden	Oak Harbor	LLC	Oct 2026
Name hidden	Marblehead	Other	Sep 2026
Name hidden	Oak Harbor	LLC	Sep 2026
Name hidden	Port Clinton	LLC	Sep 2026
Name hidden	Marblehead	LLC	Sep 2026
Name hidden	Oak Harbor	LLC	Sep 2026
Name hidden	Genoa	LLC	Sep 2026
Name hidden	Port Clinton	LLC	Sep 2026
Name hidden	Marblehead	LLC	Sep 2026
Name hidden	Port Clinton	LLC	Sep 2026
Name hidden	Port Clinton	LLC	Sep 2026
Name hidden	Port Clinton	LLC	Sep 2026
Name hidden	Port Clinton	LLC	Sep 2026
Name hidden	Port Clinton	LLC	Sep 2026
Name hidden	Port Clinton	LLC	Sep 2026
Name hidden	Port Clinton	LLC	Sep 2026
Name hidden	Port Clinton	LLC	Sep 2026
Name hidden	Port Clinton	LLC	Sep 2026
Name hidden	Oak Harbor	LLC	Sep 2026
Name hidden	Port Clinton	LLC	Sep 2026
Name hidden	Port Clinton	LLC	Sep 2026
Name hidden	Genoa	LLC	Sep 2026
Name hidden	Oak Harbor	LLC	Sep 2026
Name hidden	Port Clinton	LLC	Sep 2026

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Common questions about Ottawa County businesses

How many businesses are registered in Ottawa County, Ohio?

ListRiver has 108 active registered businesses in Ottawa 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 Ottawa County, Ohio in September 2026?

25 businesses on record in Ottawa County, Ohio were formed in September 2026.

How many new businesses opened in Ottawa County, Ohio in the last 12 months?

70 businesses on record in Ottawa County, Ohio were formed in the 12 months through September 2026.

What is the most common type of business in Ottawa County, Ohio?

LLCs are the most common: 91 of 108 businesses on record (84%), followed by Corporations with 13 (12%).

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 Ottawa County, Ohio?

Use ListRiver's list builder to filter Ottawa 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.

More Ohio business lists

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<div style="max-width:520px"><iframe src="https://listriver.com/embed/new-businesses/ohio/ottawa-county" title="New businesses in Ottawa County, Ohio by month" width="100%" height="370" style="border:0" loading="lazy"></iframe><p style="font:13px sans-serif;margin:4px 0 0">Source: <a href="https://listriver.com/business-lists/ohio/ottawa-county">Businesses in Ottawa County, Ohio</a>, ListRiver</p></div>

About this data

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.