Company lists · Data refreshed September 2026

Top 25 IT B2B communications agencies based in San Francisco, United States

Name: IT B2B communications agencies based in San Francisco, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 184 companies tracked

RevenueBase identified 184 company matches for IT B2B communications agencies associated with San Francisco, United States as of September 2026 and tracks 3,896 professional contacts across them, including 1,110 with verified work emails. Across the United States, New York is the largest hub for this category (634 companies); San Francisco has 184.

This list covers company matches for IT B2B communications agencies associated with San Francisco, 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 21, 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 21, 2026 How this list was built

184Companies

3,896Contacts tracked

1,110Verified emails

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The 25 largest IT B2B communications agencies based in San Francisco, United States

Ranked by team size

Top 25 of 184 company matches for IT B2B communications agencies based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Demandshore	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	501-1,000	478 contacts →
	Exact match “About DemandShore Since 2004, we’ve been working hard to deliver value to Sales & Marketing professionals across B2B Technology companies globally.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	DWA	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	290 contacts →
	Exact match “Merkle \| DWA is a global media and marketing agency for technology companies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Hotwire	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	201-500	257 contacts →
	Exact match “Hotwire Global is the preeminent tech PR, communications, and marketing consultancy.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Inkhouse, An Orchestra Company	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	152 contacts →
	Exact match “A strategic communications agency, Inkhouse partners with innovators who are creating new markets or disrupting old ones-crafting stories and meeting audiences where they are.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Outcast	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	107 contacts →
	Exact match “Outcast is an integrated marketing agency specializing in communications, digital, and creative.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Method Communications	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	106 contacts →
	Exact match “A global PR and marketing partner for challenger brands.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Bite Communications	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	96 contacts →
	Exact match “We help category-defining brands make their mark through hard-working, creative campaigns that change perceptions and spark action.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Bospar	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	88 contacts →
	Exact match “Bospar is an award-winning boutique tech PR firm of highly seasoned professionals who exist to make the absolute most of your breakthrough ideas, technologies, products and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	ROI DNA	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	87 contacts →
	Exact match “ROI·DNA, part of Hotwire Global and The Enero Group, is a full-service digital marketing agency delivering category-leading solutions to accelerate revenue for leading brands…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	KKBC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	83 contacts →
	Exact match “KKBC is a B2B marketing agency, with the singular mission to maximize the value of multinational B2B companies' marketing investments.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Access Brand Communications	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	76 contacts →
	Exact match “For 25 years, we’ve helped companies access new audiences in new ways.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Iron Creative	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	75 contacts →
	Exact match “Iron is a multidisciplinary digital agency built to build stronger brands.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	SBS Comms	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	72 contacts →
	Exact match “Most PR agencies optimize for process.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Sparkpr	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	58 contacts →
	Exact match “From startups to Fortune members, Sparkpr specializes in helping technology focused and innovation minded companies transform their brands by bringing powerful narratives to life…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Pixelo Digital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	57 contacts →
	Exact match “Pixelo Digital is a global B2B growth and GTM agency, trusted by 250+ brands to drive revenue and accelerate pipeline.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Ziff Davis B2B	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	55 contacts →
	Exact match “Ziff Davis B2B is the global market leader in omni-channel B2B marketing, providing our customers with precise access to the world’s most powerful technology buyers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	10fold Communications	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	50 contacts →
	Exact match “10Fold is a PR and integrated marketing agency with offices in San Diego, Austin TX, and Boston.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	MSR Communications	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	39 contacts →
	Exact match “MSR Communications is an award-winning, results-driven public relations and marketing communications agency with more than 27 years of global experience.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Digital Reach Agency	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	38 contacts →
	Exact match “Digital Reach is an internet marketing firm focused on B2B Demand Generation and Inbound Marketing.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Horn Group	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	37 contacts →
	Exact match “Horn Group is an award-winning digital communications agency.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Barrett Hofherr	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	36 contacts →
	Exact match “We're the biggest small agency in the world.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	SKÖNA	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	35 contacts →
	Exact match “At Sköna, we transform complex B2B tech into brands people actually care about.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Nuvolum	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	51-200	30 contacts →
	Exact match “Nuvolum is an integrated marketing and PR firm with proven strategies to help brands dominate their market and create experiences that win.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Rooster Grin Media	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	29 contacts →
	Exact match “Rooster Grin Media was founded on the concept that we can be a competitive advantage for our clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Connect Marketing, INC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	11-50	29 contacts →
	Exact match “Connect Marketing helps companies like yours out-position, out-perform, and out-market your competition.” Recorded in the RevenueBase company graph · Sep 21, 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 “IT B2B communications 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 184 IT B2B communications agencies based in San Francisco, United States

See the full list, filter by size, metro and specialty, and access 1,110 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT B2B communications agencies based in San Francisco, United States at a glance

As of Sep 21, 2026

28.5%Verified-email coverage

21.2Average contacts per company

11-50Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 184 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 San Francisco, United States whose business descriptions match “IT B2B communications 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 1,110 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 21, 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.

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

How many IT B2B communications agencies are there based in San Francisco, United States?

RevenueBase identified 184 company matches for IT B2B communications agencies associated with San Francisco, 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?

Demandshore 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 IT B2B communications agencies?

New York leads the United States with 634 company records, followed by Los Angeles (283) and Chicago (208). San Francisco has 184.

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 1,110 professional contacts with verified work emails tracked across these 184 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 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 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.