Company lists · Data refreshed September 2026

Top 10 Professional development platform companies based in Seattle, United States

Name: Professional development platform companies based in Seattle, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 29 companies tracked

RevenueBase identified 29 company matches for professional development platform companies associated with Seattle, United States as of September 2026 and tracks 218 professional contacts across them, including 73 with verified work emails. Across the United States, New York is the largest hub for this category (213 companies); Seattle has 29.

This list covers company matches for professional development platform companies 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 29, 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 29, 2026 How this list was built

29Companies

218Contacts tracked

73Verified emails

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The 10 largest professional development platform companies based in Seattle, United States

Ranked by team size

Top 10 of 29 company matches for professional development platform companies based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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	Skilljar By Gainsight	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	51-200	60 contacts →
	Exact match “High-impact customer education programs are built on Skilljar by Gainsight.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Knowledge Anywhere	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	11-50	57 contacts →
	Exact match “Founded in 1998, Knowledge Anywhere, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Endurance Learning	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	1-10	12 contacts →
	Exact match “Endurance Learning is your partner for building impactful training programs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Campusce	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	11-50	10 contacts →
	Exact match “Automated Enrollment & Marketing: Streamline Continuing Education operations with cutting-edge tools designed for non-traditional education.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Quest Labs	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	11-50	4 contacts →
	Exact match “Quest Labs is a pioneering social-purpose company at the forefront of transformative learning.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Hardy Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	1-10	3 contacts →
	Exact match “With over 40 years of experience as professional educators, program designers, technical trainers, and curriculum developers, we help organizations elevate their training programs…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Skills Leap Learnapalooza	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	1-10	3 contacts →
	Exact match “At Skills Leap, we envision a world where every individual can unlock their full potential, fostering a future of continuous learning and growth.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	SONO	Exact match	Seattle, United StatesHQ recorded Sep 29, 2026	1-10	2 contacts →
	Exact match “Sono is the modern training platform for high growth startups.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Success Bully	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	1-10	2 contacts →
	Exact match “Established in 2017, Success Bully is a premier training and professional development organization dedicated to fostering growth and driving results through our unique…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Todd Calongne Coaching	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	1-10	1 contacts →
	Exact match “Need help getting past what’s causing stagnation to make more money and be more highly regarded?” Recorded in the RevenueBase company graph · Sep 29, 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 “professional development platform companies”. 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 10 of 29 professional development platform companies based in Seattle, United States

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Professional development platform companies based in Seattle, United States at a glance

As of Sep 29, 2026

33.5%Verified-email coverage

7.5Average contacts per company

1-10Median size (employees)

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 29 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 “professional development platform companies” 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 73 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 29, 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.

Professional development platform companies 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 “professional development platform companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many professional development platform companies are there based in Seattle, United States?

RevenueBase identified 29 company matches for professional development platform companies 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?

Skilljar By Gainsight 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 professional development platform companies?

New York leads the United States with 213 company records, followed by San Francisco (95) and Atlanta (84). Seattle has 29.

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 73 professional contacts with verified work emails tracked across these 29 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 29, 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.