Company lists · Data refreshed September 2026

Top 25 Nonprofit mentoring organizations based in Seattle, United States

Name: Nonprofit mentoring organizations based in Seattle, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 56 companies tracked

RevenueBase identified 56 company matches for nonprofit mentoring organizations associated with Seattle, United States as of September 2026 and tracks 587 professional contacts across them, including 158 with verified work emails. Across the United States, New York is the largest hub for this category (220 companies); Seattle has 56.

This list covers company matches for nonprofit mentoring organizations associated with Seattle, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built

56Companies

587Contacts tracked

158Verified emails

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The 25 largest nonprofit mentoring organizations based in Seattle, United States

Ranked by team size

Top 25 of 56 company matches for nonprofit mentoring organizations based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Upnotch	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	11-50	64 contacts →
	Exact match “Google Play/App Store 🧡 Become a member & find a mentor today Join Speed Networking Events FREE Membership.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	501 Commons	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	51-200	56 contacts →
	Exact match “We all rise when nonprofits thrive.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Junior Achievement Of Washington	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	11-50	56 contacts →
	Exact match “Junior Achievement is the world's largest organization dedicated to educating students about work readiness, entrepreneurship and financial literacy through experiential, hands-on…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Ventures NON Profit	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	11-50	32 contacts →
	Exact match “Ventures is a Seattle-based nonprofit that empowers aspiring entrepreneurs with limited resources and unlimited potential.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Alexander Hamilton Scholars	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	n/a	31 contacts →
	Exact match “We empower high-achieving, underserved young leaders to thrive in college and beyond through hands-on mentorship and a network of support, much like Hamilton had, so they, in…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Northwest Education Access	Exact match	Seattle, United StatesHQ recorded Sep 20, 2026	11-50	29 contacts →
	Exact match “Northwest Education Access provides comprehensive and individualized support to help low-income young people, ages 16-29, build their own path to higher education and beyond.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Teens In Public Service	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	1-10	28 contacts →
	Exact match “Teens In Public Service (TIPS) is a 501(c)3 non-profit organization that offers youth, ages 15-19, rewarding and transformational work in the form of paid community service…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Hatchet Ventures	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	1-10	24 contacts →
	Exact match “Hatchet Ventures is a diverse network of Founders, Executives, Operators, Surgeons/Doctors, Athletes, Lawyers, Investors, CPA's, Entrepreneurs, GTM Leaders and Brand Strategists…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Friends Of The Children-Seattle	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	11-50	21 contacts →
	Exact match “Impacting generational change by supporting youth facing the greatest life obstacles in our community through relationships with paid professional mentors for 12+ years-no matter…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Community For Youth	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	1-10	21 contacts →
	Exact match “Community for Youth (CfY) is a 501(c)(3) nonprofit organization focused on youth mentorship.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Thriving Elements	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	11-50	18 contacts →
	Exact match “Thriving Elements is a high quality 1 on 1 mentoring program whose mission is to create access and opportunities for underprivileged girls in Science, Technology, Engineering and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Take On College	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	11-50	16 contacts →
	Exact match “We started Take on College because we noticed the lack of mentorship resources available for those who would become first generation college students.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	The Service Board	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	1-10	14 contacts →
	Exact match “As a youth-led organization the Service Board (tSB) centers youth leadership in bridging opportunity and wellness gaps through lifelong mentorship, outdoor adventure, and social…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Minds Matter Seattle	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	11-50	12 contacts →
	Exact match “Minds Matter of Seattle is 99% volunteer-run.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Seattle Angels	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	1-10	9 contacts →
	Exact match “Seattle Angels mission is to walk alongside children, youth, and families in the foster care community by offering consistent support through intentional giving, relationship…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	4c Coalition	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	1-10	8 contacts →
	Exact match “The 4C Coalition is a community-based mentoring program with over a decade of experience recruiting and training mentors, connecting them with youth at risk, and supporting the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Youthcompass International	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	11-50	7 contacts →
	Exact match “Today's business knows no borders.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Life Enrichment Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	11-50	7 contacts →
	Exact match “Imagined in 2003 and incorporated in 2006, Life Enrichment Group(L.E.G) has provided culturally relevant programs focused on academic achievement and social/emotional support for…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Route 21	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	1-10	7 contacts →
	Exact match “Route 21 finds youth adults who grew up in foster care and pays and supports them well to mentor youth currently in foster care.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Community Carrot	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	1-10	7 contacts →
	Exact match “Seattle Community Carrot is a 501c3 nonprofit that advances equity and justice through entrepreneurship for low income young adults.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Altruist Impact Accelerator	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	1-10	4 contacts →
	Exact match “At Altruist Impact Accelerator, we believe that nonprofits are the backbone of positive change-but too many struggle with limited resources, operational challenges, and funding…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Safefutures Youth Center	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	11-50	4 contacts →
	Exact match “The Mission of SafeFutures Youth Center is to empowers and advocates for under-served young people from low-income communities and communities of color to maximize their potential.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Youth Tutoring Program	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	1-10	4 contacts →
	Exact match “Our Mission: To tutor, guide, and inspire vulnerable youth living in low and mixed-income public housing to achieve academic success.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	M.U.S.T.	Exact match	Seattle, United StatesHQ recorded Sep 20, 2026	11-50	3 contacts →
	Exact match “Mentoring is a M.U.S.T.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Youth Wise	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	1-10	3 contacts →
	Exact match “Youth Wise is a one-on-one and circles (group) mentoring platform.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “nonprofit mentoring organizations”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 56 nonprofit mentoring organizations based in Seattle, United States

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Nonprofit mentoring organizations based in Seattle, United States at a glance

As of Sep 20, 2026

26.9%Verified-email coverage

10.5Average contacts per company

11-50Median size (employees)

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

5,001-10,000

Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 56 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Seattle, United States whose business descriptions match “nonprofit mentoring organizations” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 158 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Nonprofit mentoring organizations by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “nonprofit mentoring organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit mentoring organizations are there based in Seattle, United States?

RevenueBase identified 56 company matches for nonprofit mentoring organizations associated with Seattle, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Upnotch tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most nonprofit mentoring organizations?

New York leads the United States with 220 company records, followed by Los Angeles (150) and Chicago (149). Seattle has 56.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 158 professional contacts with verified work emails tracked across these 56 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.