InvestorEmpowering early-stage companies in New England.
The startup scene in United States
Where startups get built in Portsmouth, who funds them, and how you get in the room.
Startup ecosystem standing
Where Portsmouth ranks
| Ranking | Edition | Position | Since last edition | Trust | What it measures |
|---|---|---|---|---|---|
 Global Startup Ecosystem Index (cities) | 2025 | #516 | No prior edition | B | Ecosystem, Activity, Finance, Business Climate |
13 organizations with a profile
Who's based in Portsmouth
Investors 9
Investor
InvestorInvesting in visionary life science entrepreneurs.
InvestorInvesting in lower middle market companies for long-term growth.
The 3 most prominent of 9. Browse all investors
Incubators 3
IncubatorFostering entrepreneurship and innovation in the region.
IncubatorSupporting the commercialization of innovative technologies.
IncubatorSupporting early-stage ventures across various industries.
Accelerators 1
AcceleratorAccelerating innovative startups in New England.
Pick what describes you
Your way in
Raising in Portsmouth
Investors based here, and the programs that take teams at your stage.
Get investor introsFinding startups in Portsmouth
Accelerators and incubators here see the earliest teams first.
Get startups that fitScouting in Portsmouth
Campuses and communities are where teams form before anyone funds them.
Start scoutingQuestions about Portsmouth
How does Portsmouth rank as a startup ecosystem?
Its best position is #516 in StartupBlink Index (cities) (2025).
How many startup investors are based in Portsmouth?
9 investors based in Portsmouth have a profile here, including eCoast Angel Network, Novalis LifeSciences LLC and River Birch Partners. The real number is higher.
Are there accelerators or incubators in Portsmouth?
Yes. Portsmouth has 1 accelerator and 3 incubators on record, including New England Innovation Center, LLC and SSU Kricker Innovation Hub.
Geographic proximity
Nearby cities to Portsmouth
City
29 km away
City
130 km away
City
166 km away
City
234 km away
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