Company lists · Data refreshed September 2026
Top 25 Outsourcing advisory firms based in Seattle, United States
RevenueBase identified 69 outsourcing advisory firms headquartered in Seattle, United States as of September 2026 and tracks 362 professional contacts across them, including 167 with verified work emails. New York is the largest hub.
This list covers outsourcing advisory firms headquartered in Seattle, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest outsourcing advisory firms based in Seattle, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 46 contacts → | ||||
Indirect evidence “Our goal is simple: We strive to empower businesses with the tools and expertise they need to thrive.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 29 contacts → | ||||
Indirect evidence “Our company is a boutique IT consulting firm providing high-level IT consulting, outsourced IT management, and help desk services to small- and medium-sized businesses in the…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 29 contacts → | ||||
Indirect evidence “AMP Services, LLC is an Accounting, Management consulting, and Professional services firm for multi-unit restaurant and retail companies.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 17 contacts → | ||||
Partial evidence “Lakeside Partners serves as a trusted advisor, providing mergers & acquisitions advisory services to our clients.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 16 contacts → | ||||
Partial evidence “Led by a team of former business operators and executives who have built and sold companies, Alexander Hutton is an independent, middle market M&A advisory firm that has completed…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 16 contacts → | ||||
Indirect evidence “Olive + Goose is an agile, quality-focused company, trusted by small and large businesses alike.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 12 contacts → | ||||
Indirect evidence “SoJust Solutions is a majority women-owned and minority-owned business, offering full service staffing and consulting services to organizations of all sizes.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 10 contacts → | ||||
Indirect evidence “Alithi’s team of expert strategists, policy leaders, sourcing specialists, education reformers, community builders, data scientists, and impact experts have spent decades honing…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 10 contacts → | ||||
Indirect evidence “We Believe That Long-Term Customer Satisfaction Is The Cornerstone Of Our Success.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 7 contacts → | ||||
Partial evidence “GeoFusion is a global advisory firm which helps technology companies scale.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 6 contacts → | ||||
Indirect evidence “Innovation is in our DNA.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 6 contacts → | ||||
Indirect evidence “Our primary objective at Tullius Partners is to create, enhance and maximize the value of our clients’ businesses.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 contacts → | ||||
Indirect evidence “We help companies make the right technology investments and realize more value from them.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 5 contacts → | ||||
Indirect evidence “Seesaw Services provides a full suite of outsourced business administrative services tailored for architects, engineers and general contractors in a collaborative environment of…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 5 contacts → | ||||
Indirect evidence “As a founder, CEO or investor you make decisions every day that alter the course of a business and impact personnel.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 contacts → | ||||
Partial evidence “Azimuth Consulting is a strategic advisory firm serving technology leaders in cloud computing, software & services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 5 contacts → | ||||
Indirect evidence “Better EXIT Advising For Small B2B SaaS Companies •Small technology companies need a different kind of advising than the rigid investment bank process •Traction Advising was…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Partial evidence “Moving at the Pace of Technology, with the Integrity of Experience The Horwitz Group is a leading financial and operational advisor to technology and technology-driven enterprises…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Indirect evidence “Proponent is an advising company founded upon the core principle of working to better human lives.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Partial evidence “Kalalau Capital is an M&A expert supporting business owners and their M&A advisors and investors throughout the entire M&A journey.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Partial evidence “Unicorn & Lion offers management advisory services that cover company and product strategy, organizational growth and expansion, capital raising, and transitional management…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Partial evidence “KILN is a highly responsive, Seattle-based consulting and advisory firm dedicated to creating new businesses and growing existing businesses.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence “Urban-Technology Group is a Seattle-based independent consulting firm, focused on helping companies leverage technology to enhance business operations, maximize internal resources…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Indirect evidence “Headquartered in Seattle, WA we are a full service consulting firm with a singular focus on outsourced CFO, Controller, accounting, and finance needs.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence “MICHAEL A DAVIS CONSULTANT PC is a company based out of Seattle, Washington, United States.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: outsourcing advisory firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names outsourcing advisory firms.
- Partial evidence
- Its own public description names part of outsourcing advisory firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name outsourcing advisory firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 69 outsourcing advisory firms based in Seattle, United States
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Outsourcing advisory firms based in Seattle, United States at a glance
As of Sep 21, 2026Companies by employee count
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 69 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among outsourcing advisory firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Seattle, United States whose own description of what they do matches “outsourcing advisory firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names outsourcing advisory firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among outsourcing advisory firms, and records with no verified work email. Companies headquartered outside Seattle are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 167 across the full list. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Outsourcing advisory firms by metro in the United States
- Outsourcing advisory firms in New York479
- Outsourcing advisory firms in Atlanta171
- Outsourcing advisory firms in Chicago163
- Outsourcing advisory firms in Houston157
- Outsourcing advisory firms in Los Angeles148
- Outsourcing advisory firms in Miami132
- Outsourcing advisory firms in Dallas131
- Outsourcing advisory firms in Austin120
- Outsourcing advisory firms in San Francisco99
- Outsourcing advisory firms in Washington97
- Outsourcing advisory firms in Boston92
- Outsourcing advisory firms in San Diego80
- Outsourcing advisory firms in Denver77
- Outsourcing advisory firms in Seattle69
- Outsourcing advisory firms in Phoenix61
- Outsourcing advisory firms in Charlotte57
- Outsourcing advisory firms in Tampa55
- Outsourcing advisory firms in Orlando47
- Outsourcing advisory firms in Minneapolis45
- Outsourcing advisory firms in Irvine44
- Outsourcing advisory firms in Philadelphia44
- Outsourcing advisory firms in San Jose40
- Outsourcing advisory firms in Nashville38
- Outsourcing advisory firms in New York City38
- Outsourcing advisory firms in Scottsdale37
- Outsourcing advisory firms in San Antonio36
- Outsourcing advisory firms in Las Vegas34
- Outsourcing advisory firms in Newport Beach34
- Outsourcing advisory firms in Columbus33
- Outsourcing advisory firms in Raleigh31
- Outsourcing advisory firms in Sheridan31
- Outsourcing advisory firms in Boca Raton30
- Outsourcing advisory firms in Pittsburgh29
- Outsourcing advisory firms in Wilmington29
- Outsourcing advisory firms in Cincinnati28
- Outsourcing advisory firms in Fort Lauderdale28
- Outsourcing advisory firms in Frisco28
- Outsourcing advisory firms in Portland27
- Outsourcing advisory firms in Salt Lake City27
- Outsourcing advisory firms in Cleveland26
- Outsourcing advisory firms in Alpharetta25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names outsourcing advisory firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many outsourcing advisory firms are there based in Seattle, United States?
RevenueBase identified 69 outsourcing advisory firms headquartered in Seattle, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Turning Point Strategic Advisors, headquartered in Seattle, tops this list with the largest team on record.
Which city has the most outsourcing advisory firms?
New York leads with 479 headquartered companies, followed by Atlanta (171) and Chicago (163).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 167 verified decision-maker contacts tracked across these 69 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 Smart Search, 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.
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