Company lists · Data verified August 2026

Top 25 Employee advocacy platforms based in the United States

Name: Employee advocacy platforms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 338 companies tracked

There are 338 employee advocacy platforms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 8,586 professional contacts across them, including 3,245 with verified work emails and 2,546 with mobile numbers. San Francisco is the largest hub.

This list covers employee advocacy platforms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

338Companies

8,586Contacts tracked

3,245Verified emails

2,546Mobile numbers

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The 25 largest employee advocacy platforms based in the United States

Ranked by team size

Top 25 of 338 employee advocacy platforms based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Sprout Social, INC	Seattle, WA	1,001-5,000	1,619	913
2	Empyrean	Houston, TX	501-1,000	906	523
3	Café YC S21	NY	n/a	760	1
4	Humand	San Francisco, CA	501-1,000	487	191
5	Vantage Circle	Plano, TX	201-500	340	220
6	Engage2excel	Mooresville, NC	501-1,000	268	164
7	Changeengine	San Francisco, CA	n/a	177	36
8	Agorapulse	San Francisco, CA	51-200	176	88
9	C.A. Short Company	Shelby, NC	51-200	154	53
10	BLINK	Boston, MA	51-200	152	97
11	Metricool	Remote	51-200	124	41
12	Powerdms By Neogov	Draper, UT	501-1,000	117	50
13	Workday Peakon Employee Voice	Pleasanton, CA	10001+	110	20
14	Espresa	Palo Alto, CA	51-200	101	60
15	Extole	San Francisco, CA	51-200	98	59
16	Modo Labs	Boston, MA	51-200	89	60
17	Amplispot	New York City, NY	51-200	79	12
18	Everyonesocial	Salt Lake City, UT	51-200	76	25
19	Reppify	San Francisco, CA	51-200	64	3
20	Social Annex, INC	Los Angeles, CA	51-200	60	2
21	Culturemonkey	Claymont, DE	51-200	51	17
22	Workstep	San Francisco, CA	51-200	50	26
23	Mzinga	Burlington, MA	51-200	50	1
24	Socialbu	Lewes, DE	11-50	45	6
25	Upstock	San Francisco, CA	11-50	43	2

Showing 25 of 338 employee advocacy platforms based in the United States

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Employee advocacy platforms based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

San FranciscoLargest hub · 33 HQs

2,546Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

149

11-50

135

51-200

201-500

501-1,000

1,001-5,000

10001+

Employee advocacy platforms by metro

Metro	Companies
Employee advocacy platforms in San Francisco	33
Employee advocacy platforms in New York	30
Employee advocacy platforms in Boston	16
Employee advocacy platforms in Austin	9
Employee advocacy platforms in Washington	9
Employee advocacy platforms in Chicago	8
Employee advocacy platforms in Los Angeles	8
Employee advocacy platforms in Atlanta	7

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “employee advocacy platforms”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 5 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many employee advocacy platforms are there based in the United States?

There are 338 employee advocacy platforms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Sprout Social, INC, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most employee advocacy platforms?

San Francisco leads with 33 headquartered companies, followed by New York (30) and Boston (16).

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 3,245 verified decision-maker contacts tracked across these 338 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.