Company lists · Data refreshed November 2026

Top 24 Staff development organizations based in Seattle, United States

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 95 companies tracked

RevenueBase identified 95 company matches for staff development organizations associated with Seattle, United States as of November 2026 and tracks 311 professional contacts across them, including 134 with verified work emails. Across the United States, New York is the largest hub for this category (383 companies); Seattle has 95.

This list covers company matches for staff development 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 November 6, 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 Nov 6, 2026 How this list was built

95Companies

311Contacts tracked

134Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 24 largest staff development organizations based in Seattle, United States

Ranked by team size

Top 24 of 95 company matches for staff development organizations based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Sparkeffect	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	51 contacts →
	Exact match “SparkEffect transforms organizations and prepares their people to handle what's ahead.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Henley Leadership Group	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	26 contacts →
	Exact match “For over 20 years, Henley Leadership Group in Seattle, Washington, has partnered in developing workplaces that energize people to produce extraordinary results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Mobilize Network	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	10 contacts →
	Exact match “The world is quivering, and we in it.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Endurance Learning	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	8 contacts →
	Exact match “Endurance Learning is your partner for building impactful training programs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Sodo Consulting	Exact match	Seattle, United StatesHQ recorded Nov 6, 2026	1-10	7 contacts →
	Exact match “Welcome to Sodo Consulting: Your Source for Leadership, Organizational and Team Development Excellence Is it time to turn your goals into reality?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Nina Simonds Coaching LLC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	6 contacts →
	Exact match “NINA SIMONDS COACHING LLC is a leadership and team development firm based in Seattle, Washington.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Seven Ways Consulting, LLC	Exact match	Seattle, United StatesHQ recorded Nov 6, 2026	1-10	5 contacts →
	Exact match “Committed to the principles of Respect for People and Continuous Improvement, we help motivated leaders make the right thing to do, the easy thing to do: Facilitation \| Coaching \|…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	In OUR Shoes	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	4 contacts →
	Exact match “Empowering leaders to embrace their full potential and motivate their teams to thrive and drive for success.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	M3 Leadership Group And Academy	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “We provide high-quality leadership training and solutions to businesses and government organizations, including financial services, technology, life sciences, healthcare, higher…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Bushwick Northwest	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “BUSHWICK NORTHWEST is a professional training & coaching company based out of 2207 S HANFORD ST, SEATTLE, Washington, United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Finding Human	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “At Finding Human, we help organizations navigate complexity by elevating the human side of leadership.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Open Gate Consulting	Exact match	Seattle, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “Our most important priority is you – the business leader.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Rysing Tide	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “At Rysing Tide, we elevate leadership, transform organizations, and drive sustainable success.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Arcade Construction Academy	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “WAYFINDING /’wā,fīndING/ v.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Pacific Northwest Organization Development Network Pnodn	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	2 contacts →
	Exact match “Pacific Northwest Organization Development Network (PNODN) is a professional organization cultivating knowledge, fostering collaboration, and a community engaging one another.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Leadershift, LLC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “LeaderShift is a talent development and executive coaching firm that works with established and emerging leaders across private companies, government and social sector…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Sosna Consulting	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “I’ve spent many years gaining an amazing scope of experience in leadership coaching, communication, learning and development and organizational effectiveness - all while…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Infinite Impact	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “Infinite Impact is a professional and personal leadership development firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Executive Impact Global	Exact match	Seattle, United StatesHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “Specialties: Organization Development; Relationship Systems Intelligence; Negotiation; Change Process; Leadership Development; Multicultural Team Management; Training and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Path Forward Leadership	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “At Path Forward Leadership, we are dedicated to unlocking the potential within every leader and organization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Nancy Bacon Consulting	Exact match	Seattle, United StatesHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “You want to create a nonprofit learning program that is strategic and has an impact.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Avatar Resources INC	Exact match	Seattle, United StatesHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “Avatar Resources Inc is a management consulting company based out of Seattle, Washington, United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Seasons Leadership	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match “At Seasons Leadership, we believe that great leadership is not an accident-it’s a journey.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Somersault Consulting LLC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 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 “staff development 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 24 of 95 staff development organizations based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 134 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Staff development organizations based in Seattle, United States at a glance

As of Nov 6, 2026

43.1%Verified-email coverage

3.3Average contacts per company

1-10Median size (employees)

Nov 6, 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 95 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 “staff development 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 134 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 November 6, 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.

Staff development 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 “staff development organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many staff development organizations are there based in Seattle, United States?

RevenueBase identified 95 company matches for staff development organizations associated with Seattle, United States as of November 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?

Sparkeffect 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 staff development organizations?

New York leads the United States with 383 company records, followed by Atlanta (239) and Chicago (218). Seattle has 95.

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 134 professional contacts with verified work emails tracked across these 95 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 95 staff development organizations based in Seattle, United States. Start with a free account, no credit card.

Download this list →

Related lists

Staff development organizations by geography

Browse the directory

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.