Company lists · Data refreshed September 2026

Top 25 B2B sales development agencies based in Seattle, United States

Name: B2B sales development agencies based in Seattle, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 54 companies tracked

RevenueBase identified 54 company matches for B2B sales development agencies associated with Seattle, United States as of September 2026 and tracks 527 professional contacts across them, including 162 with verified work emails. Across the United States, New York is the largest hub for this category (369 companies); Seattle has 54.

This list covers company matches for B2B sales development agencies 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 27, 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 27, 2026 How this list was built

54Companies

527Contacts tracked

162Verified emails

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

The 25 largest B2B sales development agencies based in Seattle, United States

Ranked by team size

Top 25 of 54 company matches for B2B sales development agencies based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 27, 2026	51-200	94 contacts →
	Exact match “Welcome to Salesmrkt, powered by Salesbox.io!” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Sales Talent INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	74 contacts →
	Exact match “1 ranked recruiting firm on G2 and Summer 2026 Grid Leader.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	Kalungi	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	51-200	73 contacts →
	Exact match “A complete and instant marketing team for early-stage B2B SaaS companies.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	Unreal Digital Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	35 contacts →
	Exact match “Unreal Digital Group is the full-service, women-owned marketing agency that helps companies look, feel and sound different.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Lift Strategy	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	n/a	35 contacts →
	Exact match “LIFT provides marketing and technology services that help B2B companies improve results through digital demand generation, marketing automation, CRM and analytics.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Altus Alliance	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
7	Fujisan Marketing	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	15 contacts →
	Exact match “We help businesses achieve their desired results by creating fully transparent, customized digital marketing strategies and tactics.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Referral Program Pros	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
9	Alpenglow Digital	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	12 contacts →
	Exact match “We are a small agency that supports our clients with their sales and marketing activities.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Elev8 Consulting LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	12 contacts →
	Exact match “We are experienced sales, marketing and product experts with firsthand knowledge of working in large multinational technology companies bringing seasoned, passionate consultants…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Mirren	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	11 contacts →
	Exact match “We help agency teams install a repeatable system to generate consistent organic growth and new business – converting more opportunities into revenue.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Knack Collective	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	11 contacts →
	Exact match “Knack Collective is a strategic B2B marketing agency helping technology companies turn complexity into scalable growth.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Overthink Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	6 contacts →
	Exact match “Overthink Group is a content strategy agency for B2B SaaS.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	Blackwing Creative	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	6 contacts →
	Exact match “BlackWing Creative is a B2B marketing agency located in Seattle and San Francisco.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	Audienz NOW The Channel Company	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
16	Blitzmasters	Exact match	Seattle, United StatesHQ recorded Sep 27, 2026	1-10	5 contacts →
	Exact match “Stop selling.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Wolfscale	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	5 contacts →
	Exact match “Grow your pipeline, faster.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Gigantic	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	5 contacts →
	Exact match “Gigantic builds high converting marketing websites for growing B2B companies.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	Lightboard, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	5 contacts →
	Exact match “Lightboard is a modern design agency, built from the ground up around software.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	Foundations First Marketing	Exact match	Seattle, United StatesHQ recorded Sep 27, 2026	1-10	4 contacts →
	Exact match “Understand marketing in a way that doesn't suck the joy out of running your business.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	Growth Response	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
22	SMK Consulting USA	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	2 contacts →
	Exact match “Strategic sales advisory services - Growth partner in collaboration with inside sales and marketing teams - Simple, focused, high impact programs that drive customer acquisition…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	Brawas Digital	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	1 contacts →
	Exact match “Brawas Digital – Growth Marketing for Ambitious Brands Brawas Digital is a results-driven digital marketing agency helping businesses grow through strategic advertising and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Apex Growth	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
25	Blue Yarn Media	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	1 contacts →
	Exact match “Blue Yarn Media helps lean B2B SaaS teams accelerate growth with digital marketing.” Recorded in the RevenueBase company graph · Sep 27, 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 “B2B sales development agencies”. 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 54 B2B sales development agencies based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 162 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

B2B sales development agencies based in Seattle, United States at a glance

As of Sep 27, 2026

30.7%Verified-email coverage

9.8Average contacts per company

1-10Median size (employees)

Sep 27, 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 54 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 “B2B sales development agencies” 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 162 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 27, 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.

B2B sales development agencies 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 “B2B sales development agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many B2B sales development agencies are there based in Seattle, United States?

RevenueBase identified 54 company matches for B2B sales development agencies 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 B2B sales development agencies?

New York leads the United States with 369 company records, followed by Austin (154) and San Francisco (154). Seattle has 54.

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 162 professional contacts with verified work emails tracked across these 54 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 27, 2026.

Ready to reach these companies? Verified emails and direct dials for all 54 B2B sales development agencies based in Seattle, United States. Start with a free account, no credit card.

Download this list →

Related lists

B2B sales development agencies 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.