Where is 3Si located?

3Si is headquartered in Seattle, United States.

How many employees does 3Si have?

As of Aug 31, 2026, the latest employee count at 3Si is 22.

Where does 3Si rank among its competitors?

3Si ranks 6th amongst 19 active competitors, only 1 of which is funded., of which only Fivium is funded and secured an undisclosed amount in Apr, 2026.

Who are the top competitors of 3Si?

3Si's top competitors include VitalChek, GovQA and GovPredict. Among them, Fivium secured the most recent funding round in April, 2026.

3Si - 2026 Company Profile & Competitors

Company Details

Provider of early childhood integrated data solutions and systems. It connects population data and early childhood data from multiple sources to visualize and form policies for government agencies. The product modules include a child universal platform that offers tools for longitudinal tracking and forecasting, child policy implementations, information on current programs, criteria, limitations, population, and more. It is a tool that analyzes, stores, and visualizes CUSP data and provides consultancy services.

Website: team3si.com
Email ID: *****@team3si.com

Key Metrics

Founded Year

2012

Location

Seattle, United States

Stage

Unfunded

Ranked

6^th among 19 active competitors

Employee Count

22 as on Aug 31, 2026

Similar Companies

VitalChek & 20 more

View 3Si's full profile

3Si has not raised any funding rounds yet.

3Si's employee count trend

3Si has 22 employees as of Aug 26. Here is 3Si's employee count trend over the years:

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Top competitors of 3Si include VitalChek, GovQA and GovPredict. Here is the list of Top 10 competitors of 3Si, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	VitalChek 1987, Brentwood (United States), Acquired	Online portal for citizens to request government records	-	-	47/100
2nd	GovQA 2011, Woodridge (United States), Acquired	Cloud solutions empowering governments to connect with and serve their constituents	-	Frontier Growth, K1 Investment Management	43/100
3rd	GovPredict 2015, Washington, DC (United States), Acquired	Provider of an online government data platform unifying various sources of government information	$120K	Y Combinator, Harlem Capital & 1 others	43/100
4th	NextRequest 2015, San Francisco (United States), Acquired	CivicPlus: Government technology solutions for streamlined operations and enhanced community engagement	$300K	Matter, Storm Ventures & 4 others	41/100
5th	AINS 1988, Gaithersburg (United States), Acquired	Cloud-based case management software and employee background verification solution provider	-	-	34/100
6th	3Si 2012, Seattle (United States), Unfunded	Provider of early childhood integrated data solutions and systems	-	-	31/100
7th	MuckRock 2010, Boston (United States), Funding Raised	Tools for transparent, accountable government through collaborative journalism and public records access	-	AI Initiative	28/100
8th	Fivium 2006, London (United Kingdom), Seed	Citizen requests and open records requests management tool	-	BGF	25/100
9th	IDMatrix 2015, Dover (United States), Unfunded	Online public records checking platform	-	-	24/100
10th	Online RTI 2020, Delhi (India), Unfunded	Right to information application submission form	-	-	24/100