8 Best Startups in Charlestown Boston to Watch in 2025

The Definitive Seedtable Ranking of Startups in Charlestown Boston

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 8 start-ups with an aggregate funding of $1.4b. The average funding per company in this subset is $169.8m.

Last update to the database: Feb 18, 2025. See changelog.

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7

Funding Rounds

$72.5m

Money raised

Accion Systems is a company that provides in-space propulsion systems for satellites

8

Funding Rounds

$1.2b

Money raised

Indigo is an agricultural technology company utilizing natural microbiology and digital technologies to improve farmers' profitability, environmental sustainability and consumer health.

1

Funding Rounds

$50.0m

Money raised

SeLux Diagnostics, Inc. is a Charlestown, Boston-based healthcare company developing technology for antibiotic susceptibility testing and diagnostics.

2

Funding Rounds

$9.5m

Money raised

Confer Health is a Boston-based clinical testing company developing clinical-grade diagnostic tests for at-home applications.

1

Funding Rounds

$50.0m

Money raised

Finally Light Bulb Company is a Charlestown, Boston-based lighting company founded in 2012.

Industries:

2

Funding Rounds

$7.2m

Money raised

Farmer Willie's Inc. is a Charlestown, Boston-based company founded in 2014.

1

Funding Rounds

$750.0k

Money raised

OnForm, Inc. is a Charlestown, Boston-based company founded in 2019.

1

Funding Rounds

$7.0m

Money raised

DECOi Inc. is a Charlestown, Boston-based company founded in 2021.

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