Company lists · Data refreshed October 2026

Top 14 Advocacy consulting firms based in Columbia, United States

Name: Advocacy consulting firms based in Columbia, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 25 companies tracked

RevenueBase identified 25 company matches for advocacy consulting firms associated with Columbia, United States as of October 2026 and tracks 141 professional contacts across them, including 87 with verified work emails. Across the United States, Washington is the largest hub for this category (866 companies); Columbia has 25.

This list covers company matches for advocacy consulting firms associated with Columbia, 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 October 1, 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 Oct 1, 2026 How this list was built

25Companies

141Contacts tracked

87Verified emails

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The 14 largest advocacy consulting firms based in Columbia, United States

Ranked by team size

Top 14 of 25 company matches for advocacy consulting firms based in Columbia, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	A-G Associates	Exact match	Columbia, MD, United StatesHQ recorded Oct 1, 2026	11-50	67 contacts →
	Exact match “A-G Associates is an award-winning, Service-Disabled Veteran-Owned Small Business (SDVOSB) and SBA 8(a) federal consulting firm delivering high-impact strategy, stakeholder…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Capitol Consultants	Exact match	Columbia, SC, United StatesHQ recorded Oct 1, 2026	11-50	11 contacts →
	Exact match “Capitol Consultants is a professional governmental affairs, association management and event consulting company based in Columbia.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Family Legal Advocacy Group, LLC	Exact match	Columbia, MD, United StatesHQ recorded Oct 1, 2026	1-10	8 contacts →
	Exact match “The Family Legal Advocacy Group’s (FLAG) mission is to provide advocacy and education for our clients in family law, child welfare, and education matters.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Capitol Information Affiliates	Exact match	Columbia, SC, United StatesHQ recorded Oct 1, 2026	1-10	8 contacts →
	Exact match “Since 1989, Capitol Information Affiliates has been representing companies and their legislative interests.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Watershed Consulting Group, LLC	Exact match	Columbia, SC, United StatesHQ recorded Oct 1, 2026	1-10	7 contacts →
	Exact match “Watershed Consulting Group is committed to projects and clients that lift communities.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Splaine Consulting	Exact match	Columbia, MD, United StatesHQ recorded Oct 1, 2026	1-10	7 contacts →
	Exact match “Splaine Consulting works with corporate and non-profit entities to develop advocacy campaigns and policy strategies for Alzheimer’s and dementia, health, public health and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Citybright	Exact match	Columbia, SC, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “Founded in 2018, CityBright is a political and communications consulting firm created to empower & enlighten the strategies of leaders and fill bandwidth gaps existing in the…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Parker POE Consulting	Exact match	Columbia, SC, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “Parker Poe Consulting offers a broad range of law-related services in the areas of government relations, local government consulting, economic development, and site selection.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Advancement Strategy Consulting	Exact match	Columbia, MD, United StatesHQ recorded Oct 1, 2026	11-50	3 contacts →
	Exact match “Advancement Strategy Consulting is a consulting company with a purpose.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	1101 Public Affairs LLC	Exact match	Columbia, SC, United StatesHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “Lobbying Legislative Monitoring Consulting Strategic Communications Business Development Legislative Strategy Coalition Building Legislative Drafting Grassroots/Grasstops” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Zenger Strategies, LLC	Exact match	Columbia, SC, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “With over a decade of experience in the non-profit world, Zenger Strategies can help you build your dreams from the ground up.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Missionkey Communications, LLC	Exact match	Columbia, MD, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “OUR MISSION MissionKey Communications, LLC (MKC) provides strategic communications solutions to small businesses, nonprofits and entrepreneurs.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Alpha Strategies	Exact match	Columbia, SC, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “Alpha Strategies is a South Carolina-based government affairs and public policy firm advising nonprofits, associations, and mission-driven organizations navigating complex…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Homeyer Strategy Group, LLC	Exact match	Columbia, SC, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “Homeyer Strategy Group (HSG) is a full-service communications firm that partners with corporations, elected leaders and non-profits to raise awareness, build relationships with…” Recorded in the RevenueBase company graph · Oct 1, 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 “advocacy consulting firms”. 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 14 of 25 advocacy consulting firms based in Columbia, United States

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Advocacy consulting firms based in Columbia, United States at a glance

As of Oct 1, 2026

61.7%Verified-email coverage

5.6Average contacts per company

1-10Median size (employees)

Oct 1, 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 Columbia, so it is reported there. Company counts and contact totals on this page are exact for Columbia, over 25 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 Columbia, United States whose business descriptions match “advocacy consulting firms” 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 87 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 October 1, 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.

Advocacy consulting firms 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 “advocacy consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many advocacy consulting firms are there based in Columbia, United States?

RevenueBase identified 25 company matches for advocacy consulting firms associated with Columbia, United States as of October 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?

A-G Associates 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 advocacy consulting firms?

Washington leads the United States with 866 company records, followed by New York (253) and Chicago (136). Columbia has 25.

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 87 professional contacts with verified work emails tracked across these 25 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 October 1, 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.