Company lists · Data refreshed September 2026

Top 11 Outbound marketing service providers based in Seattle, United States

Name: Outbound marketing service providers based in Seattle, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 14, 2026 31 companies tracked

RevenueBase identified 31 company matches for outbound marketing service providers associated with Seattle, United States as of September 2026 and tracks 253 professional contacts across them, including 48 with verified work emails. Across the United States, New York is the largest hub for this category (230 companies); Seattle has 31.

This list covers company matches for outbound marketing service providers 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 14, 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 14, 2026 How this list was built

31Companies

253Contacts tracked

48Verified emails

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The 11 largest outbound marketing service providers based in Seattle, United States

Ranked by team size

Top 11 of 31 company matches for outbound marketing service providers based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 14, 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	Salesmrkt	Exact match	Seattle, WA, United StatesHQ recorded Sep 14, 2026	51-200	94 contacts →
	Exact match “Welcome to Salesmrkt, powered by Salesbox.io!” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2	ODD DOG Media	Exact match	Seattle, WA, United StatesHQ recorded Sep 14, 2026	11-50	23 contacts →
	Exact match “We’re a Seattle-founded marketing agency with established teams in Portland and Salt Lake City, dedicated to serving small and mid-sized businesses.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
3	Altus Alliance	Exact match	Seattle, WA, United StatesHQ recorded Sep 14, 2026	11-50	22 contacts →
	Exact match “Altus Alliance is a revenue growth services firm focused on sales targeting and execution.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
4	Direct Resources Group, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 14, 2026	11-50	18 contacts →
	Exact match “Formed in Seattle in 1993, Direct Resources Group is a direct marketing agency focusing on lead generation, customer acquisition, cross-sell marketing, membership, and fundraising.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
5	Referral Program Pros	Exact match	Seattle, WA, United StatesHQ recorded Sep 14, 2026	1-10	15 contacts →
	Exact match “You can get clients in 1 of 2 ways: 1) Inbound 2) Outbound I recommend doing both, but for immediate results, just do outbound.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
6	Double Z Media	Exact match	Seattle, WA, United StatesHQ recorded Sep 14, 2026	1-10	6 contacts →
	Exact match “Your organization has big goals you are expected to hit but when it comes to truly knowing whether you're effective you end up with the following: Not enough time internally to do…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
7	Audienz NOW The Channel Company	Exact match	Seattle, WA, United StatesHQ recorded Sep 14, 2026	51-200	6 contacts →
	Exact match “At Audienz, we blend the best of business consulting and creative marketing to help you break through in the age of diminishing attention spans.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8	Growth Response	Exact match	Seattle, WA, United StatesHQ recorded Sep 14, 2026	1-10	3 contacts →
	Exact match “Growth Response is done-for-you outbound prospecting service for B2B SaaS and digital agencies.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
9	Gcdirect	Exact match	Seattle, WA, United StatesHQ recorded Sep 14, 2026	11-50	3 contacts →
	Exact match “A MARKETING SOLUTION-MAKER GCDirect is a marketing solution-maker that is media-neutral.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
10	Raysofthesun	Exact match	Seattle, WA, United StatesHQ recorded Sep 14, 2026	1-10	2 contacts →
	Exact match “rays of the sun is an inbound marketing consultancy.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
11	Apex Growth	Exact match	Seattle, WA, United StatesHQ recorded Sep 14, 2026	1-10	1 contacts →
	Exact match “Apex Growth works with B2B SaaS companies on enterprise GTM strategy, outbound systems, and revenue execution.” Recorded in the RevenueBase company graph · Sep 14, 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 “outbound marketing service providers”. 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 11 of 31 outbound marketing service providers based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 48 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Outbound marketing service providers based in Seattle, United States at a glance

As of Sep 14, 2026

19.0%Verified-email coverage

8.2Average contacts per company

1-10Median size (employees)

Sep 14, 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 31 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 “outbound marketing service providers” 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 48 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 14, 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.

Outbound marketing service providers 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 “outbound marketing service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outbound marketing service providers are there based in Seattle, United States?

RevenueBase identified 31 company matches for outbound marketing service providers 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?

Salesmrkt 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 outbound marketing service providers?

New York leads the United States with 230 company records, followed by Los Angeles (133) and Miami (116). Seattle has 31.

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 48 professional contacts with verified work emails tracked across these 31 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 14, 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.